зеркало из https://github.com/microsoft/git.git
3355 строки
86 KiB
Perl
Executable File
3355 строки
86 KiB
Perl
Executable File
#!/usr/bin/env perl
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# Copyright (C) 2006, Eric Wong <normalperson@yhbt.net>
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# License: GPL v2 or later
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use warnings;
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use strict;
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use vars qw/ $AUTHOR $VERSION
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$SVN_URL $SVN_INFO $SVN_WC $SVN_UUID
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$GIT_SVN_INDEX $GIT_SVN
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$GIT_DIR $GIT_SVN_DIR $REVDB/;
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$AUTHOR = 'Eric Wong <normalperson@yhbt.net>';
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$VERSION = '@@GIT_VERSION@@';
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use Cwd qw/abs_path/;
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$GIT_DIR = abs_path($ENV{GIT_DIR} || '.git');
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$ENV{GIT_DIR} = $GIT_DIR;
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my $LC_ALL = $ENV{LC_ALL};
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my $TZ = $ENV{TZ};
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# make sure the svn binary gives consistent output between locales and TZs:
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$ENV{TZ} = 'UTC';
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$ENV{LC_ALL} = 'C';
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$| = 1; # unbuffer STDOUT
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# If SVN:: library support is added, please make the dependencies
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# optional and preserve the capability to use the command-line client.
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# use eval { require SVN::... } to make it lazy load
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# We don't use any modules not in the standard Perl distribution:
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use Carp qw/croak/;
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use IO::File qw//;
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use File::Basename qw/dirname basename/;
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use File::Path qw/mkpath/;
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use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev pass_through/;
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use File::Spec qw//;
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use File::Copy qw/copy/;
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use POSIX qw/strftime/;
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use IPC::Open3;
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use Memoize;
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memoize('revisions_eq');
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memoize('cmt_metadata');
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memoize('get_commit_time');
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my ($SVN_PATH, $SVN, $SVN_LOG, $_use_lib);
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$_use_lib = 1 unless $ENV{GIT_SVN_NO_LIB};
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libsvn_load();
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my $_optimize_commits = 1 unless $ENV{GIT_SVN_NO_OPTIMIZE_COMMITS};
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my $sha1 = qr/[a-f\d]{40}/;
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my $sha1_short = qr/[a-f\d]{4,40}/;
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my ($_revision,$_stdin,$_no_ignore_ext,$_no_stop_copy,$_help,$_rmdir,$_edit,
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$_find_copies_harder, $_l, $_cp_similarity, $_cp_remote,
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$_repack, $_repack_nr, $_repack_flags, $_q,
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$_message, $_file, $_follow_parent, $_no_metadata,
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$_template, $_shared, $_no_default_regex, $_no_graft_copy,
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$_limit, $_verbose, $_incremental, $_oneline, $_l_fmt, $_show_commit,
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$_version, $_upgrade, $_authors, $_branch_all_refs, @_opt_m);
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my (@_branch_from, %tree_map, %users, %rusers, %equiv);
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my ($_svn_co_url_revs, $_svn_pg_peg_revs);
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my @repo_path_split_cache;
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my %fc_opts = ( 'no-ignore-externals' => \$_no_ignore_ext,
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'branch|b=s' => \@_branch_from,
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'follow-parent|follow' => \$_follow_parent,
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'branch-all-refs|B' => \$_branch_all_refs,
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'authors-file|A=s' => \$_authors,
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'repack:i' => \$_repack,
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'no-metadata' => \$_no_metadata,
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'quiet|q' => \$_q,
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'repack-flags|repack-args|repack-opts=s' => \$_repack_flags);
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my ($_trunk, $_tags, $_branches);
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my %multi_opts = ( 'trunk|T=s' => \$_trunk,
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'tags|t=s' => \$_tags,
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'branches|b=s' => \$_branches );
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my %init_opts = ( 'template=s' => \$_template, 'shared' => \$_shared );
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my %cmt_opts = ( 'edit|e' => \$_edit,
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'rmdir' => \$_rmdir,
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'find-copies-harder' => \$_find_copies_harder,
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'l=i' => \$_l,
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'copy-similarity|C=i'=> \$_cp_similarity
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);
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my %cmd = (
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fetch => [ \&fetch, "Download new revisions from SVN",
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{ 'revision|r=s' => \$_revision, %fc_opts } ],
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init => [ \&init, "Initialize a repo for tracking" .
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" (requires URL argument)",
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\%init_opts ],
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commit => [ \&commit, "Commit git revisions to SVN",
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{ 'stdin|' => \$_stdin, %cmt_opts, %fc_opts, } ],
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'show-ignore' => [ \&show_ignore, "Show svn:ignore listings",
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{ 'revision|r=i' => \$_revision } ],
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rebuild => [ \&rebuild, "Rebuild git-svn metadata (after git clone)",
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{ 'no-ignore-externals' => \$_no_ignore_ext,
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'copy-remote|remote=s' => \$_cp_remote,
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'upgrade' => \$_upgrade } ],
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'graft-branches' => [ \&graft_branches,
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'Detect merges/branches from already imported history',
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{ 'merge-rx|m' => \@_opt_m,
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'branch|b=s' => \@_branch_from,
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'branch-all-refs|B' => \$_branch_all_refs,
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'no-default-regex' => \$_no_default_regex,
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'no-graft-copy' => \$_no_graft_copy } ],
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'multi-init' => [ \&multi_init,
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'Initialize multiple trees (like git-svnimport)',
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{ %multi_opts, %fc_opts } ],
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'multi-fetch' => [ \&multi_fetch,
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'Fetch multiple trees (like git-svnimport)',
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\%fc_opts ],
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'log' => [ \&show_log, 'Show commit logs',
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{ 'limit=i' => \$_limit,
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'revision|r=s' => \$_revision,
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'verbose|v' => \$_verbose,
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'incremental' => \$_incremental,
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'oneline' => \$_oneline,
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'show-commit' => \$_show_commit,
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'authors-file|A=s' => \$_authors,
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} ],
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'commit-diff' => [ \&commit_diff, 'Commit a diff between two trees',
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{ 'message|m=s' => \$_message,
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'file|F=s' => \$_file,
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%cmt_opts } ],
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);
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my $cmd;
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for (my $i = 0; $i < @ARGV; $i++) {
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if (defined $cmd{$ARGV[$i]}) {
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$cmd = $ARGV[$i];
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splice @ARGV, $i, 1;
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last;
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}
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};
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my %opts = %{$cmd{$cmd}->[2]} if (defined $cmd);
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read_repo_config(\%opts);
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my $rv = GetOptions(%opts, 'help|H|h' => \$_help,
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'version|V' => \$_version,
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'id|i=s' => \$GIT_SVN);
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exit 1 if (!$rv && $cmd ne 'log');
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set_default_vals();
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usage(0) if $_help;
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version() if $_version;
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usage(1) unless defined $cmd;
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init_vars();
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load_authors() if $_authors;
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load_all_refs() if $_branch_all_refs;
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svn_compat_check() unless $_use_lib;
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migration_check() unless $cmd =~ /^(?:init|rebuild|multi-init|commit-diff)$/;
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$cmd{$cmd}->[0]->(@ARGV);
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exit 0;
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####################### primary functions ######################
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sub usage {
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my $exit = shift || 0;
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my $fd = $exit ? \*STDERR : \*STDOUT;
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print $fd <<"";
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git-svn - bidirectional operations between a single Subversion tree and git
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Usage: $0 <command> [options] [arguments]\n
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print $fd "Available commands:\n" unless $cmd;
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foreach (sort keys %cmd) {
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next if $cmd && $cmd ne $_;
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print $fd ' ',pack('A13',$_),$cmd{$_}->[1],"\n";
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foreach (keys %{$cmd{$_}->[2]}) {
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# prints out arguments as they should be passed:
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my $x = s#[:=]s$## ? '<arg>' : s#[:=]i$## ? '<num>' : '';
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print $fd ' ' x 17, join(', ', map { length $_ > 1 ?
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"--$_" : "-$_" }
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split /\|/,$_)," $x\n";
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}
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}
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print $fd <<"";
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\nGIT_SVN_ID may be set in the environment or via the --id/-i switch to an
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arbitrary identifier if you're tracking multiple SVN branches/repositories in
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one git repository and want to keep them separate. See git-svn(1) for more
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information.
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exit $exit;
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}
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sub version {
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print "git-svn version $VERSION\n";
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exit 0;
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}
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sub rebuild {
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if (quiet_run(qw/git-rev-parse --verify/,"refs/remotes/$GIT_SVN^0")) {
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copy_remote_ref();
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}
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$SVN_URL = shift or undef;
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my $newest_rev = 0;
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if ($_upgrade) {
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sys('git-update-ref',"refs/remotes/$GIT_SVN","$GIT_SVN-HEAD");
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} else {
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check_upgrade_needed();
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}
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my $pid = open(my $rev_list,'-|');
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defined $pid or croak $!;
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if ($pid == 0) {
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exec("git-rev-list","refs/remotes/$GIT_SVN") or croak $!;
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}
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my $latest;
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while (<$rev_list>) {
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chomp;
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my $c = $_;
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croak "Non-SHA1: $c\n" unless $c =~ /^$sha1$/o;
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my @commit = grep(/^git-svn-id: /,`git-cat-file commit $c`);
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next if (!@commit); # skip merges
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my ($url, $rev, $uuid) = extract_metadata($commit[$#commit]);
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if (!$rev || !$uuid) {
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croak "Unable to extract revision or UUID from ",
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"$c, $commit[$#commit]\n";
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}
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# if we merged or otherwise started elsewhere, this is
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# how we break out of it
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next if (defined $SVN_UUID && ($uuid ne $SVN_UUID));
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next if (defined $SVN_URL && defined $url && ($url ne $SVN_URL));
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unless (defined $latest) {
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if (!$SVN_URL && !$url) {
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croak "SVN repository location required: $url\n";
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}
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$SVN_URL ||= $url;
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$SVN_UUID ||= $uuid;
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setup_git_svn();
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$latest = $rev;
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}
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revdb_set($REVDB, $rev, $c);
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print "r$rev = $c\n";
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$newest_rev = $rev if ($rev > $newest_rev);
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}
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close $rev_list or croak $?;
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goto out if $_use_lib;
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if (!chdir $SVN_WC) {
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svn_cmd_checkout($SVN_URL, $latest, $SVN_WC);
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chdir $SVN_WC or croak $!;
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}
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$pid = fork;
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defined $pid or croak $!;
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if ($pid == 0) {
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my @svn_up = qw(svn up);
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push @svn_up, '--ignore-externals' unless $_no_ignore_ext;
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sys(@svn_up,"-r$newest_rev");
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$ENV{GIT_INDEX_FILE} = $GIT_SVN_INDEX;
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index_changes();
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exec('git-write-tree') or croak $!;
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}
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waitpid $pid, 0;
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croak $? if $?;
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out:
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if ($_upgrade) {
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print STDERR <<"";
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Keeping deprecated refs/head/$GIT_SVN-HEAD for now. Please remove it
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when you have upgraded your tools and habits to use refs/remotes/$GIT_SVN
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}
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}
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sub init {
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my $url = shift or die "SVN repository location required " .
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"as a command-line argument\n";
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$url =~ s!/+$!!; # strip trailing slash
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if (my $repo_path = shift) {
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unless (-d $repo_path) {
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mkpath([$repo_path]);
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}
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$GIT_DIR = $ENV{GIT_DIR} = $repo_path . "/.git";
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init_vars();
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}
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$SVN_URL = $url;
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unless (-d $GIT_DIR) {
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my @init_db = ('git-init-db');
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push @init_db, "--template=$_template" if defined $_template;
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push @init_db, "--shared" if defined $_shared;
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sys(@init_db);
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}
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setup_git_svn();
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}
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sub fetch {
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check_upgrade_needed();
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$SVN_URL ||= file_to_s("$GIT_SVN_DIR/info/url");
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my $ret = $_use_lib ? fetch_lib(@_) : fetch_cmd(@_);
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if ($ret->{commit} && quiet_run(qw(git-rev-parse --verify
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refs/heads/master^0))) {
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sys(qw(git-update-ref refs/heads/master),$ret->{commit});
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}
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return $ret;
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}
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sub fetch_cmd {
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my (@parents) = @_;
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my @log_args = -d $SVN_WC ? ($SVN_WC) : ($SVN_URL);
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unless ($_revision) {
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$_revision = -d $SVN_WC ? 'BASE:HEAD' : '0:HEAD';
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}
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push @log_args, "-r$_revision";
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push @log_args, '--stop-on-copy' unless $_no_stop_copy;
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my $svn_log = svn_log_raw(@log_args);
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my $base = next_log_entry($svn_log) or croak "No base revision!\n";
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# don't need last_revision from grab_base_rev() because
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# user could've specified a different revision to skip (they
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# didn't want to import certain revisions into git for whatever
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# reason, so trust $base->{revision} instead.
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my (undef, $last_commit) = svn_grab_base_rev();
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unless (-d $SVN_WC) {
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svn_cmd_checkout($SVN_URL,$base->{revision},$SVN_WC);
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chdir $SVN_WC or croak $!;
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read_uuid();
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$last_commit = git_commit($base, @parents);
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assert_tree($last_commit);
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} else {
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chdir $SVN_WC or croak $!;
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read_uuid();
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# looks like a user manually cp'd and svn switch'ed
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unless ($last_commit) {
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sys(qw/svn revert -R ./);
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assert_svn_wc_clean($base->{revision});
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$last_commit = git_commit($base, @parents);
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assert_tree($last_commit);
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}
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}
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my @svn_up = qw(svn up);
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push @svn_up, '--ignore-externals' unless $_no_ignore_ext;
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my $last = $base;
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while (my $log_msg = next_log_entry($svn_log)) {
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if ($last->{revision} >= $log_msg->{revision}) {
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croak "Out of order: last >= current: ",
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"$last->{revision} >= $log_msg->{revision}\n";
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}
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# Revert is needed for cases like:
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# https://svn.musicpd.org/Jamming/trunk (r166:167), but
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# I can't seem to reproduce something like that on a test...
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sys(qw/svn revert -R ./);
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assert_svn_wc_clean($last->{revision});
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sys(@svn_up,"-r$log_msg->{revision}");
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$last_commit = git_commit($log_msg, $last_commit, @parents);
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$last = $log_msg;
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}
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close $svn_log->{fh};
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$last->{commit} = $last_commit;
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return $last;
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}
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sub fetch_lib {
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my (@parents) = @_;
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$SVN_URL ||= file_to_s("$GIT_SVN_DIR/info/url");
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my $repo;
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($repo, $SVN_PATH) = repo_path_split($SVN_URL);
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$SVN_LOG ||= libsvn_connect($repo);
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$SVN ||= libsvn_connect($repo);
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my ($last_rev, $last_commit) = svn_grab_base_rev();
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my ($base, $head) = libsvn_parse_revision($last_rev);
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if ($base > $head) {
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return { revision => $last_rev, commit => $last_commit }
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}
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my $index = set_index($GIT_SVN_INDEX);
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# limit ourselves and also fork() since get_log won't release memory
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# after processing a revision and SVN stuff seems to leak
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my $inc = 1000;
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my ($min, $max) = ($base, $head < $base+$inc ? $head : $base+$inc);
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read_uuid();
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if (defined $last_commit) {
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unless (-e $GIT_SVN_INDEX) {
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sys(qw/git-read-tree/, $last_commit);
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}
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chomp (my $x = `git-write-tree`);
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my ($y) = (`git-cat-file commit $last_commit`
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=~ /^tree ($sha1)/m);
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if ($y ne $x) {
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unlink $GIT_SVN_INDEX or croak $!;
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sys(qw/git-read-tree/, $last_commit);
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}
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chomp ($x = `git-write-tree`);
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if ($y ne $x) {
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print STDERR "trees ($last_commit) $y != $x\n",
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"Something is seriously wrong...\n";
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}
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}
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while (1) {
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# fork, because using SVN::Pool with get_log() still doesn't
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# seem to help enough to keep memory usage down.
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defined(my $pid = fork) or croak $!;
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if (!$pid) {
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$SVN::Error::handler = \&libsvn_skip_unknown_revs;
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# Yes I'm perfectly aware that the fourth argument
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# below is the limit revisions number. Unfortunately
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# performance sucks with it enabled, so it's much
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# faster to fetch revision ranges instead of relying
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# on the limiter.
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libsvn_get_log($SVN_LOG, '/'.$SVN_PATH,
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$min, $max, 0, 1, 1,
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sub {
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my $log_msg;
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if ($last_commit) {
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$log_msg = libsvn_fetch(
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$last_commit, @_);
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$last_commit = git_commit(
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$log_msg,
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$last_commit,
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@parents);
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} else {
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$log_msg = libsvn_new_tree(@_);
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$last_commit = git_commit(
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$log_msg, @parents);
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}
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});
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exit 0;
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}
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waitpid $pid, 0;
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croak $? if $?;
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($last_rev, $last_commit) = svn_grab_base_rev();
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last if ($max >= $head);
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$min = $max + 1;
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$max += $inc;
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$max = $head if ($max > $head);
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}
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restore_index($index);
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return { revision => $last_rev, commit => $last_commit };
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}
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sub commit {
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my (@commits) = @_;
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check_upgrade_needed();
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if ($_stdin || !@commits) {
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print "Reading from stdin...\n";
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@commits = ();
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while (<STDIN>) {
|
|
if (/\b($sha1_short)\b/o) {
|
|
unshift @commits, $1;
|
|
}
|
|
}
|
|
}
|
|
my @revs;
|
|
foreach my $c (@commits) {
|
|
chomp(my @tmp = safe_qx('git-rev-parse',$c));
|
|
if (scalar @tmp == 1) {
|
|
push @revs, $tmp[0];
|
|
} elsif (scalar @tmp > 1) {
|
|
push @revs, reverse (safe_qx('git-rev-list',@tmp));
|
|
} else {
|
|
die "Failed to rev-parse $c\n";
|
|
}
|
|
}
|
|
chomp @revs;
|
|
$_use_lib ? commit_lib(@revs) : commit_cmd(@revs);
|
|
print "Done committing ",scalar @revs," revisions to SVN\n";
|
|
}
|
|
|
|
sub commit_cmd {
|
|
my (@revs) = @_;
|
|
|
|
chdir $SVN_WC or croak "Unable to chdir $SVN_WC: $!\n";
|
|
my $info = svn_info('.');
|
|
my $fetched = fetch();
|
|
if ($info->{Revision} != $fetched->{revision}) {
|
|
print STDERR "There are new revisions that were fetched ",
|
|
"and need to be merged (or acknowledged) ",
|
|
"before committing.\n";
|
|
exit 1;
|
|
}
|
|
$info = svn_info('.');
|
|
read_uuid($info);
|
|
my $last = $fetched;
|
|
foreach my $c (@revs) {
|
|
my $mods = svn_checkout_tree($last, $c);
|
|
if (scalar @$mods == 0) {
|
|
print "Skipping, no changes detected\n";
|
|
next;
|
|
}
|
|
$last = svn_commit_tree($last, $c);
|
|
}
|
|
}
|
|
|
|
sub commit_lib {
|
|
my (@revs) = @_;
|
|
my ($r_last, $cmt_last) = svn_grab_base_rev();
|
|
defined $r_last or die "Must have an existing revision to commit\n";
|
|
my $fetched = fetch();
|
|
if ($r_last != $fetched->{revision}) {
|
|
print STDERR "There are new revisions that were fetched ",
|
|
"and need to be merged (or acknowledged) ",
|
|
"before committing.\n",
|
|
"last rev: $r_last\n",
|
|
" current: $fetched->{revision}\n";
|
|
exit 1;
|
|
}
|
|
read_uuid();
|
|
my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef, 0) : ();
|
|
my $commit_msg = "$GIT_SVN_DIR/.svn-commit.tmp.$$";
|
|
|
|
my $repo;
|
|
($repo, $SVN_PATH) = repo_path_split($SVN_URL);
|
|
set_svn_commit_env();
|
|
foreach my $c (@revs) {
|
|
my $log_msg = get_commit_message($c, $commit_msg);
|
|
|
|
# fork for each commit because there's a memory leak I
|
|
# can't track down... (it's probably in the SVN code)
|
|
defined(my $pid = open my $fh, '-|') or croak $!;
|
|
if (!$pid) {
|
|
$SVN_LOG = libsvn_connect($repo);
|
|
$SVN = libsvn_connect($repo);
|
|
my $ed = SVN::Git::Editor->new(
|
|
{ r => $r_last,
|
|
ra => $SVN,
|
|
c => $c,
|
|
svn_path => $SVN_PATH
|
|
},
|
|
$SVN->get_commit_editor(
|
|
$log_msg->{msg},
|
|
sub {
|
|
libsvn_commit_cb(
|
|
@_, $c,
|
|
$log_msg->{msg},
|
|
$r_last,
|
|
$cmt_last)
|
|
},
|
|
@lock)
|
|
);
|
|
my $mods = libsvn_checkout_tree($cmt_last, $c, $ed);
|
|
if (@$mods == 0) {
|
|
print "No changes\nr$r_last = $cmt_last\n";
|
|
$ed->abort_edit;
|
|
} else {
|
|
$ed->close_edit;
|
|
}
|
|
exit 0;
|
|
}
|
|
my ($r_new, $cmt_new, $no);
|
|
while (<$fh>) {
|
|
print $_;
|
|
chomp;
|
|
if (/^r(\d+) = ($sha1)$/o) {
|
|
($r_new, $cmt_new) = ($1, $2);
|
|
} elsif ($_ eq 'No changes') {
|
|
$no = 1;
|
|
}
|
|
}
|
|
close $fh or croak $?;
|
|
if (! defined $r_new && ! defined $cmt_new) {
|
|
unless ($no) {
|
|
die "Failed to parse revision information\n";
|
|
}
|
|
} else {
|
|
($r_last, $cmt_last) = ($r_new, $cmt_new);
|
|
}
|
|
}
|
|
$ENV{LC_ALL} = 'C';
|
|
unlink $commit_msg;
|
|
}
|
|
|
|
sub show_ignore {
|
|
$SVN_URL ||= file_to_s("$GIT_SVN_DIR/info/url");
|
|
$_use_lib ? show_ignore_lib() : show_ignore_cmd();
|
|
}
|
|
|
|
sub show_ignore_cmd {
|
|
require File::Find or die $!;
|
|
if (defined $_revision) {
|
|
die "-r/--revision option doesn't work unless the Perl SVN ",
|
|
"libraries are used\n";
|
|
}
|
|
chdir $SVN_WC or croak $!;
|
|
my %ign;
|
|
File::Find::find({wanted=>sub{if(lstat $_ && -d _ && -d "$_/.svn"){
|
|
s#^\./##;
|
|
@{$ign{$_}} = svn_propget_base('svn:ignore', $_);
|
|
}}, no_chdir=>1},'.');
|
|
|
|
print "\n# /\n";
|
|
foreach (@{$ign{'.'}}) { print '/',$_ if /\S/ }
|
|
delete $ign{'.'};
|
|
foreach my $i (sort keys %ign) {
|
|
print "\n# ",$i,"\n";
|
|
foreach (@{$ign{$i}}) { print '/',$i,'/',$_ if /\S/ }
|
|
}
|
|
}
|
|
|
|
sub show_ignore_lib {
|
|
my $repo;
|
|
($repo, $SVN_PATH) = repo_path_split($SVN_URL);
|
|
$SVN ||= libsvn_connect($repo);
|
|
my $r = defined $_revision ? $_revision : $SVN->get_latest_revnum;
|
|
libsvn_traverse_ignore(\*STDOUT, $SVN_PATH, $r);
|
|
}
|
|
|
|
sub graft_branches {
|
|
my $gr_file = "$GIT_DIR/info/grafts";
|
|
my ($grafts, $comments) = read_grafts($gr_file);
|
|
my $gr_sha1;
|
|
|
|
if (%$grafts) {
|
|
# temporarily disable our grafts file to make this idempotent
|
|
chomp($gr_sha1 = safe_qx(qw/git-hash-object -w/,$gr_file));
|
|
rename $gr_file, "$gr_file~$gr_sha1" or croak $!;
|
|
}
|
|
|
|
my $l_map = read_url_paths();
|
|
my @re = map { qr/$_/is } @_opt_m if @_opt_m;
|
|
unless ($_no_default_regex) {
|
|
push @re, (qr/\b(?:merge|merging|merged)\s+with\s+([\w\.\-]+)/i,
|
|
qr/\b(?:merge|merging|merged)\s+([\w\.\-]+)/i,
|
|
qr/\b(?:from|of)\s+([\w\.\-]+)/i );
|
|
}
|
|
foreach my $u (keys %$l_map) {
|
|
if (@re) {
|
|
foreach my $p (keys %{$l_map->{$u}}) {
|
|
graft_merge_msg($grafts,$l_map,$u,$p,@re);
|
|
}
|
|
}
|
|
unless ($_no_graft_copy) {
|
|
if ($_use_lib) {
|
|
graft_file_copy_lib($grafts,$l_map,$u);
|
|
} else {
|
|
graft_file_copy_cmd($grafts,$l_map,$u);
|
|
}
|
|
}
|
|
}
|
|
graft_tree_joins($grafts);
|
|
|
|
write_grafts($grafts, $comments, $gr_file);
|
|
unlink "$gr_file~$gr_sha1" if $gr_sha1;
|
|
}
|
|
|
|
sub multi_init {
|
|
my $url = shift;
|
|
$_trunk ||= 'trunk';
|
|
$_trunk =~ s#/+$##;
|
|
$url =~ s#/+$## if $url;
|
|
if ($_trunk !~ m#^[a-z\+]+://#) {
|
|
$_trunk = '/' . $_trunk if ($_trunk !~ m#^/#);
|
|
unless ($url) {
|
|
print STDERR "E: '$_trunk' is not a complete URL ",
|
|
"and a separate URL is not specified\n";
|
|
exit 1;
|
|
}
|
|
$_trunk = $url . $_trunk;
|
|
}
|
|
if ($GIT_SVN eq 'git-svn') {
|
|
print "GIT_SVN_ID set to 'trunk' for $_trunk\n";
|
|
$GIT_SVN = $ENV{GIT_SVN_ID} = 'trunk';
|
|
}
|
|
init_vars();
|
|
init($_trunk);
|
|
complete_url_ls_init($url, $_branches, '--branches/-b', '');
|
|
complete_url_ls_init($url, $_tags, '--tags/-t', 'tags/');
|
|
}
|
|
|
|
sub multi_fetch {
|
|
# try to do trunk first, since branches/tags
|
|
# may be descended from it.
|
|
if (-e "$GIT_DIR/svn/trunk/info/url") {
|
|
fetch_child_id('trunk', @_);
|
|
}
|
|
rec_fetch('', "$GIT_DIR/svn", @_);
|
|
}
|
|
|
|
sub show_log {
|
|
my (@args) = @_;
|
|
my ($r_min, $r_max);
|
|
my $r_last = -1; # prevent dupes
|
|
rload_authors() if $_authors;
|
|
if (defined $TZ) {
|
|
$ENV{TZ} = $TZ;
|
|
} else {
|
|
delete $ENV{TZ};
|
|
}
|
|
if (defined $_revision) {
|
|
if ($_revision =~ /^(\d+):(\d+)$/) {
|
|
($r_min, $r_max) = ($1, $2);
|
|
} elsif ($_revision =~ /^\d+$/) {
|
|
$r_min = $r_max = $_revision;
|
|
} else {
|
|
print STDERR "-r$_revision is not supported, use ",
|
|
"standard \'git log\' arguments instead\n";
|
|
exit 1;
|
|
}
|
|
}
|
|
|
|
my $pid = open(my $log,'-|');
|
|
defined $pid or croak $!;
|
|
if (!$pid) {
|
|
exec(git_svn_log_cmd($r_min,$r_max), @args) or croak $!;
|
|
}
|
|
setup_pager();
|
|
my (@k, $c, $d);
|
|
|
|
while (<$log>) {
|
|
if (/^commit ($sha1_short)/o) {
|
|
my $cmt = $1;
|
|
if ($c && cmt_showable($c) && $c->{r} != $r_last) {
|
|
$r_last = $c->{r};
|
|
process_commit($c, $r_min, $r_max, \@k) or
|
|
goto out;
|
|
}
|
|
$d = undef;
|
|
$c = { c => $cmt };
|
|
} elsif (/^author (.+) (\d+) ([\-\+]?\d+)$/) {
|
|
get_author_info($c, $1, $2, $3);
|
|
} elsif (/^(?:tree|parent|committer) /) {
|
|
# ignore
|
|
} elsif (/^:\d{6} \d{6} $sha1_short/o) {
|
|
push @{$c->{raw}}, $_;
|
|
} elsif (/^diff /) {
|
|
$d = 1;
|
|
push @{$c->{diff}}, $_;
|
|
} elsif ($d) {
|
|
push @{$c->{diff}}, $_;
|
|
} elsif (/^ (git-svn-id:.+)$/) {
|
|
(undef, $c->{r}, undef) = extract_metadata($1);
|
|
} elsif (s/^ //) {
|
|
push @{$c->{l}}, $_;
|
|
}
|
|
}
|
|
if ($c && defined $c->{r} && $c->{r} != $r_last) {
|
|
$r_last = $c->{r};
|
|
process_commit($c, $r_min, $r_max, \@k);
|
|
}
|
|
if (@k) {
|
|
my $swap = $r_max;
|
|
$r_max = $r_min;
|
|
$r_min = $swap;
|
|
process_commit($_, $r_min, $r_max) foreach reverse @k;
|
|
}
|
|
out:
|
|
close $log;
|
|
print '-' x72,"\n" unless $_incremental || $_oneline;
|
|
}
|
|
|
|
sub commit_diff_usage {
|
|
print STDERR "Usage: $0 commit-diff <tree-ish> <tree-ish> [<URL>]\n";
|
|
exit 1
|
|
}
|
|
|
|
sub commit_diff {
|
|
if (!$_use_lib) {
|
|
print STDERR "commit-diff must be used with SVN libraries\n";
|
|
exit 1;
|
|
}
|
|
my $ta = shift or commit_diff_usage();
|
|
my $tb = shift or commit_diff_usage();
|
|
if (!eval { $SVN_URL = shift || file_to_s("$GIT_SVN_DIR/info/url") }) {
|
|
print STDERR "Needed URL or usable git-svn id command-line\n";
|
|
commit_diff_usage();
|
|
}
|
|
if (defined $_message && defined $_file) {
|
|
print STDERR "Both --message/-m and --file/-F specified ",
|
|
"for the commit message.\n",
|
|
"I have no idea what you mean\n";
|
|
exit 1;
|
|
}
|
|
if (defined $_file) {
|
|
$_message = file_to_s($_file);
|
|
} else {
|
|
$_message ||= get_commit_message($tb,
|
|
"$GIT_DIR/.svn-commit.tmp.$$")->{msg};
|
|
}
|
|
my $repo;
|
|
($repo, $SVN_PATH) = repo_path_split($SVN_URL);
|
|
$SVN_LOG ||= libsvn_connect($repo);
|
|
$SVN ||= libsvn_connect($repo);
|
|
my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef, 0) : ();
|
|
my $ed = SVN::Git::Editor->new({ r => $SVN->get_latest_revnum,
|
|
ra => $SVN, c => $tb,
|
|
svn_path => $SVN_PATH
|
|
},
|
|
$SVN->get_commit_editor($_message,
|
|
sub {print "Committed $_[0]\n"},@lock)
|
|
);
|
|
my $mods = libsvn_checkout_tree($ta, $tb, $ed);
|
|
if (@$mods == 0) {
|
|
print "No changes\n$ta == $tb\n";
|
|
$ed->abort_edit;
|
|
} else {
|
|
$ed->close_edit;
|
|
}
|
|
}
|
|
|
|
########################### utility functions #########################
|
|
|
|
sub cmt_showable {
|
|
my ($c) = @_;
|
|
return 1 if defined $c->{r};
|
|
if ($c->{l} && $c->{l}->[-1] eq "...\n" &&
|
|
$c->{a_raw} =~ /\@([a-f\d\-]+)>$/) {
|
|
my @msg = safe_qx(qw/git-cat-file commit/, $c->{c});
|
|
shift @msg while ($msg[0] ne "\n");
|
|
shift @msg;
|
|
@{$c->{l}} = grep !/^git-svn-id: /, @msg;
|
|
|
|
(undef, $c->{r}, undef) = extract_metadata(
|
|
(grep(/^git-svn-id: /, @msg))[-1]);
|
|
}
|
|
return defined $c->{r};
|
|
}
|
|
|
|
sub git_svn_log_cmd {
|
|
my ($r_min, $r_max) = @_;
|
|
my @cmd = (qw/git-log --abbrev-commit --pretty=raw
|
|
--default/, "refs/remotes/$GIT_SVN");
|
|
push @cmd, '--summary' if $_verbose;
|
|
return @cmd unless defined $r_max;
|
|
if ($r_max == $r_min) {
|
|
push @cmd, '--max-count=1';
|
|
if (my $c = revdb_get($REVDB, $r_max)) {
|
|
push @cmd, $c;
|
|
}
|
|
} else {
|
|
my ($c_min, $c_max);
|
|
$c_max = revdb_get($REVDB, $r_max);
|
|
$c_min = revdb_get($REVDB, $r_min);
|
|
if ($c_min && $c_max) {
|
|
if ($r_max > $r_max) {
|
|
push @cmd, "$c_min..$c_max";
|
|
} else {
|
|
push @cmd, "$c_max..$c_min";
|
|
}
|
|
} elsif ($r_max > $r_min) {
|
|
push @cmd, $c_max;
|
|
} else {
|
|
push @cmd, $c_min;
|
|
}
|
|
}
|
|
return @cmd;
|
|
}
|
|
|
|
sub fetch_child_id {
|
|
my $id = shift;
|
|
print "Fetching $id\n";
|
|
my $ref = "$GIT_DIR/refs/remotes/$id";
|
|
defined(my $pid = open my $fh, '-|') or croak $!;
|
|
if (!$pid) {
|
|
$_repack = undef;
|
|
$GIT_SVN = $ENV{GIT_SVN_ID} = $id;
|
|
init_vars();
|
|
fetch(@_);
|
|
exit 0;
|
|
}
|
|
while (<$fh>) {
|
|
print $_;
|
|
check_repack() if (/^r\d+ = $sha1/);
|
|
}
|
|
close $fh or croak $?;
|
|
}
|
|
|
|
sub rec_fetch {
|
|
my ($pfx, $p, @args) = @_;
|
|
my @dir;
|
|
foreach (sort <$p/*>) {
|
|
if (-r "$_/info/url") {
|
|
$pfx .= '/' if $pfx && $pfx !~ m!/$!;
|
|
my $id = $pfx . basename $_;
|
|
next if $id eq 'trunk';
|
|
fetch_child_id($id, @args);
|
|
} elsif (-d $_) {
|
|
push @dir, $_;
|
|
}
|
|
}
|
|
foreach (@dir) {
|
|
my $x = $_;
|
|
$x =~ s!^\Q$GIT_DIR\E/svn/!!;
|
|
rec_fetch($x, $_);
|
|
}
|
|
}
|
|
|
|
sub complete_url_ls_init {
|
|
my ($url, $var, $switch, $pfx) = @_;
|
|
unless ($var) {
|
|
print STDERR "W: $switch not specified\n";
|
|
return;
|
|
}
|
|
$var =~ s#/+$##;
|
|
if ($var !~ m#^[a-z\+]+://#) {
|
|
$var = '/' . $var if ($var !~ m#^/#);
|
|
unless ($url) {
|
|
print STDERR "E: '$var' is not a complete URL ",
|
|
"and a separate URL is not specified\n";
|
|
exit 1;
|
|
}
|
|
$var = $url . $var;
|
|
}
|
|
chomp(my @ls = $_use_lib ? libsvn_ls_fullurl($var)
|
|
: safe_qx(qw/svn ls --non-interactive/, $var));
|
|
my $old = $GIT_SVN;
|
|
defined(my $pid = fork) or croak $!;
|
|
if (!$pid) {
|
|
foreach my $u (map { "$var/$_" } (grep m!/$!, @ls)) {
|
|
$u =~ s#/+$##;
|
|
if ($u !~ m!\Q$var\E/(.+)$!) {
|
|
print STDERR "W: Unrecognized URL: $u\n";
|
|
die "This should never happen\n";
|
|
}
|
|
my $id = $pfx.$1;
|
|
print "init $u => $id\n";
|
|
$GIT_SVN = $ENV{GIT_SVN_ID} = $id;
|
|
init_vars();
|
|
init($u);
|
|
}
|
|
exit 0;
|
|
}
|
|
waitpid $pid, 0;
|
|
croak $? if $?;
|
|
}
|
|
|
|
sub common_prefix {
|
|
my $paths = shift;
|
|
my %common;
|
|
foreach (@$paths) {
|
|
my @tmp = split m#/#, $_;
|
|
my $p = '';
|
|
while (my $x = shift @tmp) {
|
|
$p .= "/$x";
|
|
$common{$p} ||= 0;
|
|
$common{$p}++;
|
|
}
|
|
}
|
|
foreach (sort {length $b <=> length $a} keys %common) {
|
|
if ($common{$_} == @$paths) {
|
|
return $_;
|
|
}
|
|
}
|
|
return '';
|
|
}
|
|
|
|
# grafts set here are 'stronger' in that they're based on actual tree
|
|
# matches, and won't be deleted from merge-base checking in write_grafts()
|
|
sub graft_tree_joins {
|
|
my $grafts = shift;
|
|
map_tree_joins() if (@_branch_from && !%tree_map);
|
|
return unless %tree_map;
|
|
|
|
git_svn_each(sub {
|
|
my $i = shift;
|
|
defined(my $pid = open my $fh, '-|') or croak $!;
|
|
if (!$pid) {
|
|
exec qw/git-rev-list --pretty=raw/,
|
|
"refs/remotes/$i" or croak $!;
|
|
}
|
|
while (<$fh>) {
|
|
next unless /^commit ($sha1)$/o;
|
|
my $c = $1;
|
|
my ($t) = (<$fh> =~ /^tree ($sha1)$/o);
|
|
next unless $tree_map{$t};
|
|
|
|
my $l;
|
|
do {
|
|
$l = readline $fh;
|
|
} until ($l =~ /^committer (?:.+) (\d+) ([\-\+]?\d+)$/);
|
|
|
|
my ($s, $tz) = ($1, $2);
|
|
if ($tz =~ s/^\+//) {
|
|
$s += tz_to_s_offset($tz);
|
|
} elsif ($tz =~ s/^\-//) {
|
|
$s -= tz_to_s_offset($tz);
|
|
}
|
|
|
|
my ($url_a, $r_a, $uuid_a) = cmt_metadata($c);
|
|
|
|
foreach my $p (@{$tree_map{$t}}) {
|
|
next if $p eq $c;
|
|
my $mb = eval {
|
|
safe_qx('git-merge-base', $c, $p)
|
|
};
|
|
next unless ($@ || $?);
|
|
if (defined $r_a) {
|
|
# see if SVN says it's a relative
|
|
my ($url_b, $r_b, $uuid_b) =
|
|
cmt_metadata($p);
|
|
next if (defined $url_b &&
|
|
defined $url_a &&
|
|
($url_a eq $url_b) &&
|
|
($uuid_a eq $uuid_b));
|
|
if ($uuid_a eq $uuid_b) {
|
|
if ($r_b < $r_a) {
|
|
$grafts->{$c}->{$p} = 2;
|
|
next;
|
|
} elsif ($r_b > $r_a) {
|
|
$grafts->{$p}->{$c} = 2;
|
|
next;
|
|
}
|
|
}
|
|
}
|
|
my $ct = get_commit_time($p);
|
|
if ($ct < $s) {
|
|
$grafts->{$c}->{$p} = 2;
|
|
} elsif ($ct > $s) {
|
|
$grafts->{$p}->{$c} = 2;
|
|
}
|
|
# what should we do when $ct == $s ?
|
|
}
|
|
}
|
|
close $fh or croak $?;
|
|
});
|
|
}
|
|
|
|
# this isn't funky-filename safe, but good enough for now...
|
|
sub graft_file_copy_cmd {
|
|
my ($grafts, $l_map, $u) = @_;
|
|
my $paths = $l_map->{$u};
|
|
my $pfx = common_prefix([keys %$paths]);
|
|
$SVN_URL ||= $u.$pfx;
|
|
my $pid = open my $fh, '-|';
|
|
defined $pid or croak $!;
|
|
unless ($pid) {
|
|
my @exec = qw/svn log -v/;
|
|
push @exec, "-r$_revision" if defined $_revision;
|
|
exec @exec, $u.$pfx or croak $!;
|
|
}
|
|
my ($r, $mp) = (undef, undef);
|
|
while (<$fh>) {
|
|
chomp;
|
|
if (/^\-{72}$/) {
|
|
$mp = $r = undef;
|
|
} elsif (/^r(\d+) \| /) {
|
|
$r = $1 unless defined $r;
|
|
} elsif (/^Changed paths:/) {
|
|
$mp = 1;
|
|
} elsif ($mp && m#^ [AR] /(\S.*?) \(from /(\S+?):(\d+)\)$#) {
|
|
my ($p1, $p0, $r0) = ($1, $2, $3);
|
|
my $c = find_graft_path_commit($paths, $p1, $r);
|
|
next unless $c;
|
|
find_graft_path_parents($grafts, $paths, $c, $p0, $r0);
|
|
}
|
|
}
|
|
}
|
|
|
|
sub graft_file_copy_lib {
|
|
my ($grafts, $l_map, $u) = @_;
|
|
my $tree_paths = $l_map->{$u};
|
|
my $pfx = common_prefix([keys %$tree_paths]);
|
|
my ($repo, $path) = repo_path_split($u.$pfx);
|
|
$SVN_LOG ||= libsvn_connect($repo);
|
|
$SVN ||= libsvn_connect($repo);
|
|
|
|
my ($base, $head) = libsvn_parse_revision();
|
|
my $inc = 1000;
|
|
my ($min, $max) = ($base, $head < $base+$inc ? $head : $base+$inc);
|
|
my $eh = $SVN::Error::handler;
|
|
$SVN::Error::handler = \&libsvn_skip_unknown_revs;
|
|
while (1) {
|
|
my $pool = SVN::Pool->new;
|
|
libsvn_get_log($SVN_LOG, "/$path", $min, $max, 0, 1, 1,
|
|
sub {
|
|
libsvn_graft_file_copies($grafts, $tree_paths,
|
|
$path, @_);
|
|
}, $pool);
|
|
$pool->clear;
|
|
last if ($max >= $head);
|
|
$min = $max + 1;
|
|
$max += $inc;
|
|
$max = $head if ($max > $head);
|
|
}
|
|
$SVN::Error::handler = $eh;
|
|
}
|
|
|
|
sub process_merge_msg_matches {
|
|
my ($grafts, $l_map, $u, $p, $c, @matches) = @_;
|
|
my (@strong, @weak);
|
|
foreach (@matches) {
|
|
# merging with ourselves is not interesting
|
|
next if $_ eq $p;
|
|
if ($l_map->{$u}->{$_}) {
|
|
push @strong, $_;
|
|
} else {
|
|
push @weak, $_;
|
|
}
|
|
}
|
|
foreach my $w (@weak) {
|
|
last if @strong;
|
|
# no exact match, use branch name as regexp.
|
|
my $re = qr/\Q$w\E/i;
|
|
foreach (keys %{$l_map->{$u}}) {
|
|
if (/$re/) {
|
|
push @strong, $l_map->{$u}->{$_};
|
|
last;
|
|
}
|
|
}
|
|
last if @strong;
|
|
$w = basename($w);
|
|
$re = qr/\Q$w\E/i;
|
|
foreach (keys %{$l_map->{$u}}) {
|
|
if (/$re/) {
|
|
push @strong, $l_map->{$u}->{$_};
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
my ($rev) = ($c->{m} =~ /^git-svn-id:\s(?:\S+?)\@(\d+)
|
|
\s(?:[a-f\d\-]+)$/xsm);
|
|
unless (defined $rev) {
|
|
($rev) = ($c->{m} =~/^git-svn-id:\s(\d+)
|
|
\@(?:[a-f\d\-]+)/xsm);
|
|
return unless defined $rev;
|
|
}
|
|
foreach my $m (@strong) {
|
|
my ($r0, $s0) = find_rev_before($rev, $m, 1);
|
|
$grafts->{$c->{c}}->{$s0} = 1 if defined $s0;
|
|
}
|
|
}
|
|
|
|
sub graft_merge_msg {
|
|
my ($grafts, $l_map, $u, $p, @re) = @_;
|
|
|
|
my $x = $l_map->{$u}->{$p};
|
|
my $rl = rev_list_raw($x);
|
|
while (my $c = next_rev_list_entry($rl)) {
|
|
foreach my $re (@re) {
|
|
my (@br) = ($c->{m} =~ /$re/g);
|
|
next unless @br;
|
|
process_merge_msg_matches($grafts,$l_map,$u,$p,$c,@br);
|
|
}
|
|
}
|
|
}
|
|
|
|
sub read_uuid {
|
|
return if $SVN_UUID;
|
|
if ($_use_lib) {
|
|
my $pool = SVN::Pool->new;
|
|
$SVN_UUID = $SVN->get_uuid($pool);
|
|
$pool->clear;
|
|
} else {
|
|
my $info = shift || svn_info('.');
|
|
$SVN_UUID = $info->{'Repository UUID'} or
|
|
croak "Repository UUID unreadable\n";
|
|
}
|
|
}
|
|
|
|
sub quiet_run {
|
|
my $pid = fork;
|
|
defined $pid or croak $!;
|
|
if (!$pid) {
|
|
open my $null, '>', '/dev/null' or croak $!;
|
|
open STDERR, '>&', $null or croak $!;
|
|
open STDOUT, '>&', $null or croak $!;
|
|
exec @_ or croak $!;
|
|
}
|
|
waitpid $pid, 0;
|
|
return $?;
|
|
}
|
|
|
|
sub repo_path_split {
|
|
my $full_url = shift;
|
|
$full_url =~ s#/+$##;
|
|
|
|
foreach (@repo_path_split_cache) {
|
|
if ($full_url =~ s#$_##) {
|
|
my $u = $1;
|
|
$full_url =~ s#^/+##;
|
|
return ($u, $full_url);
|
|
}
|
|
}
|
|
|
|
if ($_use_lib) {
|
|
my $tmp = libsvn_connect($full_url);
|
|
my $url = $tmp->get_repos_root;
|
|
$full_url =~ s#^\Q$url\E/*##;
|
|
push @repo_path_split_cache, qr/^(\Q$url\E)/;
|
|
return ($url, $full_url);
|
|
} else {
|
|
my ($url, $path) = ($full_url =~ m!^([a-z\+]+://[^/]*)(.*)$!i);
|
|
$path =~ s#^/+##;
|
|
my @paths = split(m#/+#, $path);
|
|
while (quiet_run(qw/svn ls --non-interactive/, $url)) {
|
|
my $n = shift @paths || last;
|
|
$url .= "/$n";
|
|
}
|
|
push @repo_path_split_cache, qr/^(\Q$url\E)/;
|
|
$path = join('/',@paths);
|
|
return ($url, $path);
|
|
}
|
|
}
|
|
|
|
sub setup_git_svn {
|
|
defined $SVN_URL or croak "SVN repository location required\n";
|
|
unless (-d $GIT_DIR) {
|
|
croak "GIT_DIR=$GIT_DIR does not exist!\n";
|
|
}
|
|
mkpath([$GIT_SVN_DIR]);
|
|
mkpath(["$GIT_SVN_DIR/info"]);
|
|
open my $fh, '>>',$REVDB or croak $!;
|
|
close $fh;
|
|
s_to_file($SVN_URL,"$GIT_SVN_DIR/info/url");
|
|
|
|
}
|
|
|
|
sub assert_svn_wc_clean {
|
|
return if $_use_lib;
|
|
my ($svn_rev) = @_;
|
|
croak "$svn_rev is not an integer!\n" unless ($svn_rev =~ /^\d+$/);
|
|
my $lcr = svn_info('.')->{'Last Changed Rev'};
|
|
if ($svn_rev != $lcr) {
|
|
print STDERR "Checking for copy-tree ... ";
|
|
my @diff = grep(/^Index: /,(safe_qx(qw(svn diff),
|
|
"-r$lcr:$svn_rev")));
|
|
if (@diff) {
|
|
croak "Nope! Expected r$svn_rev, got r$lcr\n";
|
|
} else {
|
|
print STDERR "OK!\n";
|
|
}
|
|
}
|
|
my @status = grep(!/^Performing status on external/,(`svn status`));
|
|
@status = grep(!/^\s*$/,@status);
|
|
if (scalar @status) {
|
|
print STDERR "Tree ($SVN_WC) is not clean:\n";
|
|
print STDERR $_ foreach @status;
|
|
croak;
|
|
}
|
|
}
|
|
|
|
sub get_tree_from_treeish {
|
|
my ($treeish) = @_;
|
|
croak "Not a sha1: $treeish\n" unless $treeish =~ /^$sha1$/o;
|
|
chomp(my $type = `git-cat-file -t $treeish`);
|
|
my $expected;
|
|
while ($type eq 'tag') {
|
|
chomp(($treeish, $type) = `git-cat-file tag $treeish`);
|
|
}
|
|
if ($type eq 'commit') {
|
|
$expected = (grep /^tree /,`git-cat-file commit $treeish`)[0];
|
|
($expected) = ($expected =~ /^tree ($sha1)$/);
|
|
die "Unable to get tree from $treeish\n" unless $expected;
|
|
} elsif ($type eq 'tree') {
|
|
$expected = $treeish;
|
|
} else {
|
|
die "$treeish is a $type, expected tree, tag or commit\n";
|
|
}
|
|
return $expected;
|
|
}
|
|
|
|
sub assert_tree {
|
|
return if $_use_lib;
|
|
my ($treeish) = @_;
|
|
my $expected = get_tree_from_treeish($treeish);
|
|
|
|
my $tmpindex = $GIT_SVN_INDEX.'.assert-tmp';
|
|
if (-e $tmpindex) {
|
|
unlink $tmpindex or croak $!;
|
|
}
|
|
my $old_index = set_index($tmpindex);
|
|
index_changes(1);
|
|
chomp(my $tree = `git-write-tree`);
|
|
restore_index($old_index);
|
|
if ($tree ne $expected) {
|
|
croak "Tree mismatch, Got: $tree, Expected: $expected\n";
|
|
}
|
|
unlink $tmpindex;
|
|
}
|
|
|
|
sub parse_diff_tree {
|
|
my $diff_fh = shift;
|
|
local $/ = "\0";
|
|
my $state = 'meta';
|
|
my @mods;
|
|
while (<$diff_fh>) {
|
|
chomp $_; # this gets rid of the trailing "\0"
|
|
if ($state eq 'meta' && /^:(\d{6})\s(\d{6})\s
|
|
$sha1\s($sha1)\s([MTCRAD])\d*$/xo) {
|
|
push @mods, { mode_a => $1, mode_b => $2,
|
|
sha1_b => $3, chg => $4 };
|
|
if ($4 =~ /^(?:C|R)$/) {
|
|
$state = 'file_a';
|
|
} else {
|
|
$state = 'file_b';
|
|
}
|
|
} elsif ($state eq 'file_a') {
|
|
my $x = $mods[$#mods] or croak "Empty array\n";
|
|
if ($x->{chg} !~ /^(?:C|R)$/) {
|
|
croak "Error parsing $_, $x->{chg}\n";
|
|
}
|
|
$x->{file_a} = $_;
|
|
$state = 'file_b';
|
|
} elsif ($state eq 'file_b') {
|
|
my $x = $mods[$#mods] or croak "Empty array\n";
|
|
if (exists $x->{file_a} && $x->{chg} !~ /^(?:C|R)$/) {
|
|
croak "Error parsing $_, $x->{chg}\n";
|
|
}
|
|
if (!exists $x->{file_a} && $x->{chg} =~ /^(?:C|R)$/) {
|
|
croak "Error parsing $_, $x->{chg}\n";
|
|
}
|
|
$x->{file_b} = $_;
|
|
$state = 'meta';
|
|
} else {
|
|
croak "Error parsing $_\n";
|
|
}
|
|
}
|
|
close $diff_fh or croak $?;
|
|
|
|
return \@mods;
|
|
}
|
|
|
|
sub svn_check_prop_executable {
|
|
my $m = shift;
|
|
return if -l $m->{file_b};
|
|
if ($m->{mode_b} =~ /755$/) {
|
|
chmod((0755 &~ umask),$m->{file_b}) or croak $!;
|
|
if ($m->{mode_a} !~ /755$/) {
|
|
sys(qw(svn propset svn:executable 1), $m->{file_b});
|
|
}
|
|
-x $m->{file_b} or croak "$m->{file_b} is not executable!\n";
|
|
} elsif ($m->{mode_b} !~ /755$/ && $m->{mode_a} =~ /755$/) {
|
|
sys(qw(svn propdel svn:executable), $m->{file_b});
|
|
chmod((0644 &~ umask),$m->{file_b}) or croak $!;
|
|
-x $m->{file_b} and croak "$m->{file_b} is executable!\n";
|
|
}
|
|
}
|
|
|
|
sub svn_ensure_parent_path {
|
|
my $dir_b = dirname(shift);
|
|
svn_ensure_parent_path($dir_b) if ($dir_b ne File::Spec->curdir);
|
|
mkpath([$dir_b]) unless (-d $dir_b);
|
|
sys(qw(svn add -N), $dir_b) unless (-d "$dir_b/.svn");
|
|
}
|
|
|
|
sub precommit_check {
|
|
my $mods = shift;
|
|
my (%rm_file, %rmdir_check, %added_check);
|
|
|
|
my %o = ( D => 0, R => 1, C => 2, A => 3, M => 3, T => 3 );
|
|
foreach my $m (sort { $o{$a->{chg}} <=> $o{$b->{chg}} } @$mods) {
|
|
if ($m->{chg} eq 'R') {
|
|
if (-d $m->{file_b}) {
|
|
err_dir_to_file("$m->{file_a} => $m->{file_b}");
|
|
}
|
|
# dir/$file => dir/file/$file
|
|
my $dirname = dirname($m->{file_b});
|
|
while ($dirname ne File::Spec->curdir) {
|
|
if ($dirname ne $m->{file_a}) {
|
|
$dirname = dirname($dirname);
|
|
next;
|
|
}
|
|
err_file_to_dir("$m->{file_a} => $m->{file_b}");
|
|
}
|
|
# baz/zzz => baz (baz is a file)
|
|
$dirname = dirname($m->{file_a});
|
|
while ($dirname ne File::Spec->curdir) {
|
|
if ($dirname ne $m->{file_b}) {
|
|
$dirname = dirname($dirname);
|
|
next;
|
|
}
|
|
err_dir_to_file("$m->{file_a} => $m->{file_b}");
|
|
}
|
|
}
|
|
if ($m->{chg} =~ /^(D|R)$/) {
|
|
my $t = $1 eq 'D' ? 'file_b' : 'file_a';
|
|
$rm_file{ $m->{$t} } = 1;
|
|
my $dirname = dirname( $m->{$t} );
|
|
my $basename = basename( $m->{$t} );
|
|
$rmdir_check{$dirname}->{$basename} = 1;
|
|
} elsif ($m->{chg} =~ /^(?:A|C)$/) {
|
|
if (-d $m->{file_b}) {
|
|
err_dir_to_file($m->{file_b});
|
|
}
|
|
my $dirname = dirname( $m->{file_b} );
|
|
my $basename = basename( $m->{file_b} );
|
|
$added_check{$dirname}->{$basename} = 1;
|
|
while ($dirname ne File::Spec->curdir) {
|
|
if ($rm_file{$dirname}) {
|
|
err_file_to_dir($m->{file_b});
|
|
}
|
|
$dirname = dirname $dirname;
|
|
}
|
|
}
|
|
}
|
|
return (\%rmdir_check, \%added_check);
|
|
|
|
sub err_dir_to_file {
|
|
my $file = shift;
|
|
print STDERR "Node change from directory to file ",
|
|
"is not supported by Subversion: ",$file,"\n";
|
|
exit 1;
|
|
}
|
|
sub err_file_to_dir {
|
|
my $file = shift;
|
|
print STDERR "Node change from file to directory ",
|
|
"is not supported by Subversion: ",$file,"\n";
|
|
exit 1;
|
|
}
|
|
}
|
|
|
|
|
|
sub get_diff {
|
|
my ($from, $treeish) = @_;
|
|
assert_tree($from);
|
|
print "diff-tree $from $treeish\n";
|
|
my $pid = open my $diff_fh, '-|';
|
|
defined $pid or croak $!;
|
|
if ($pid == 0) {
|
|
my @diff_tree = qw(git-diff-tree -z -r);
|
|
if ($_cp_similarity) {
|
|
push @diff_tree, "-C$_cp_similarity";
|
|
} else {
|
|
push @diff_tree, '-C';
|
|
}
|
|
push @diff_tree, '--find-copies-harder' if $_find_copies_harder;
|
|
push @diff_tree, "-l$_l" if defined $_l;
|
|
exec(@diff_tree, $from, $treeish) or croak $!;
|
|
}
|
|
return parse_diff_tree($diff_fh);
|
|
}
|
|
|
|
sub svn_checkout_tree {
|
|
my ($from, $treeish) = @_;
|
|
my $mods = get_diff($from->{commit}, $treeish);
|
|
return $mods unless (scalar @$mods);
|
|
my ($rm, $add) = precommit_check($mods);
|
|
|
|
my %o = ( D => 1, R => 0, C => -1, A => 3, M => 3, T => 3 );
|
|
foreach my $m (sort { $o{$a->{chg}} <=> $o{$b->{chg}} } @$mods) {
|
|
if ($m->{chg} eq 'C') {
|
|
svn_ensure_parent_path( $m->{file_b} );
|
|
sys(qw(svn cp), $m->{file_a}, $m->{file_b});
|
|
apply_mod_line_blob($m);
|
|
svn_check_prop_executable($m);
|
|
} elsif ($m->{chg} eq 'D') {
|
|
sys(qw(svn rm --force), $m->{file_b});
|
|
} elsif ($m->{chg} eq 'R') {
|
|
svn_ensure_parent_path( $m->{file_b} );
|
|
sys(qw(svn mv --force), $m->{file_a}, $m->{file_b});
|
|
apply_mod_line_blob($m);
|
|
svn_check_prop_executable($m);
|
|
} elsif ($m->{chg} eq 'M') {
|
|
apply_mod_line_blob($m);
|
|
svn_check_prop_executable($m);
|
|
} elsif ($m->{chg} eq 'T') {
|
|
sys(qw(svn rm --force),$m->{file_b});
|
|
apply_mod_line_blob($m);
|
|
sys(qw(svn add), $m->{file_b});
|
|
svn_check_prop_executable($m);
|
|
} elsif ($m->{chg} eq 'A') {
|
|
svn_ensure_parent_path( $m->{file_b} );
|
|
apply_mod_line_blob($m);
|
|
sys(qw(svn add), $m->{file_b});
|
|
svn_check_prop_executable($m);
|
|
} else {
|
|
croak "Invalid chg: $m->{chg}\n";
|
|
}
|
|
}
|
|
|
|
assert_tree($treeish);
|
|
if ($_rmdir) { # remove empty directories
|
|
handle_rmdir($rm, $add);
|
|
}
|
|
assert_tree($treeish);
|
|
return $mods;
|
|
}
|
|
|
|
sub libsvn_checkout_tree {
|
|
my ($from, $treeish, $ed) = @_;
|
|
my $mods = get_diff($from, $treeish);
|
|
return $mods unless (scalar @$mods);
|
|
my %o = ( D => 1, R => 0, C => -1, A => 3, M => 3, T => 3 );
|
|
foreach my $m (sort { $o{$a->{chg}} <=> $o{$b->{chg}} } @$mods) {
|
|
my $f = $m->{chg};
|
|
if (defined $o{$f}) {
|
|
$ed->$f($m, $_q);
|
|
} else {
|
|
croak "Invalid change type: $f\n";
|
|
}
|
|
}
|
|
$ed->rmdirs($_q) if $_rmdir;
|
|
return $mods;
|
|
}
|
|
|
|
# svn ls doesn't work with respect to the current working tree, but what's
|
|
# in the repository. There's not even an option for it... *sigh*
|
|
# (added files don't show up and removed files remain in the ls listing)
|
|
sub svn_ls_current {
|
|
my ($dir, $rm, $add) = @_;
|
|
chomp(my @ls = safe_qx('svn','ls',$dir));
|
|
my @ret = ();
|
|
foreach (@ls) {
|
|
s#/$##; # trailing slashes are evil
|
|
push @ret, $_ unless $rm->{$dir}->{$_};
|
|
}
|
|
if (exists $add->{$dir}) {
|
|
push @ret, keys %{$add->{$dir}};
|
|
}
|
|
return \@ret;
|
|
}
|
|
|
|
sub handle_rmdir {
|
|
my ($rm, $add) = @_;
|
|
|
|
foreach my $dir (sort {length $b <=> length $a} keys %$rm) {
|
|
my $ls = svn_ls_current($dir, $rm, $add);
|
|
next if (scalar @$ls);
|
|
sys(qw(svn rm --force),$dir);
|
|
|
|
my $dn = dirname $dir;
|
|
$rm->{ $dn }->{ basename $dir } = 1;
|
|
$ls = svn_ls_current($dn, $rm, $add);
|
|
while (scalar @$ls == 0 && $dn ne File::Spec->curdir) {
|
|
sys(qw(svn rm --force),$dn);
|
|
$dir = basename $dn;
|
|
$dn = dirname $dn;
|
|
$rm->{ $dn }->{ $dir } = 1;
|
|
$ls = svn_ls_current($dn, $rm, $add);
|
|
}
|
|
}
|
|
}
|
|
|
|
sub get_commit_message {
|
|
my ($commit, $commit_msg) = (@_);
|
|
my %log_msg = ( msg => '' );
|
|
open my $msg, '>', $commit_msg or croak $!;
|
|
|
|
chomp(my $type = `git-cat-file -t $commit`);
|
|
if ($type eq 'commit' || $type eq 'tag') {
|
|
my $pid = open my $msg_fh, '-|';
|
|
defined $pid or croak $!;
|
|
|
|
if ($pid == 0) {
|
|
exec('git-cat-file', $type, $commit) or croak $!;
|
|
}
|
|
my $in_msg = 0;
|
|
while (<$msg_fh>) {
|
|
if (!$in_msg) {
|
|
$in_msg = 1 if (/^\s*$/);
|
|
} elsif (/^git-svn-id: /) {
|
|
# skip this, we regenerate the correct one
|
|
# on re-fetch anyways
|
|
} else {
|
|
print $msg $_ or croak $!;
|
|
}
|
|
}
|
|
close $msg_fh or croak $?;
|
|
}
|
|
close $msg or croak $!;
|
|
|
|
if ($_edit || ($type eq 'tree')) {
|
|
my $editor = $ENV{VISUAL} || $ENV{EDITOR} || 'vi';
|
|
system($editor, $commit_msg);
|
|
}
|
|
|
|
# file_to_s removes all trailing newlines, so just use chomp() here:
|
|
open $msg, '<', $commit_msg or croak $!;
|
|
{ local $/; chomp($log_msg{msg} = <$msg>); }
|
|
close $msg or croak $!;
|
|
|
|
return \%log_msg;
|
|
}
|
|
|
|
sub set_svn_commit_env {
|
|
if (defined $LC_ALL) {
|
|
$ENV{LC_ALL} = $LC_ALL;
|
|
} else {
|
|
delete $ENV{LC_ALL};
|
|
}
|
|
}
|
|
|
|
sub svn_commit_tree {
|
|
my ($last, $commit) = @_;
|
|
my $commit_msg = "$GIT_SVN_DIR/.svn-commit.tmp.$$";
|
|
my $log_msg = get_commit_message($commit, $commit_msg);
|
|
my ($oneline) = ($log_msg->{msg} =~ /([^\n\r]+)/);
|
|
print "Committing $commit: $oneline\n";
|
|
|
|
set_svn_commit_env();
|
|
my @ci_output = safe_qx(qw(svn commit -F),$commit_msg);
|
|
$ENV{LC_ALL} = 'C';
|
|
unlink $commit_msg;
|
|
my ($committed) = ($ci_output[$#ci_output] =~ /(\d+)/);
|
|
if (!defined $committed) {
|
|
my $out = join("\n",@ci_output);
|
|
print STDERR "W: Trouble parsing \`svn commit' output:\n\n",
|
|
$out, "\n\nAssuming English locale...";
|
|
($committed) = ($out =~ /^Committed revision \d+\./sm);
|
|
defined $committed or die " FAILED!\n",
|
|
"Commit output failed to parse committed revision!\n",
|
|
print STDERR " OK\n";
|
|
}
|
|
|
|
my @svn_up = qw(svn up);
|
|
push @svn_up, '--ignore-externals' unless $_no_ignore_ext;
|
|
if ($_optimize_commits && ($committed == ($last->{revision} + 1))) {
|
|
push @svn_up, "-r$committed";
|
|
sys(@svn_up);
|
|
my $info = svn_info('.');
|
|
my $date = $info->{'Last Changed Date'} or die "Missing date\n";
|
|
if ($info->{'Last Changed Rev'} != $committed) {
|
|
croak "$info->{'Last Changed Rev'} != $committed\n"
|
|
}
|
|
my ($Y,$m,$d,$H,$M,$S,$tz) = ($date =~
|
|
/(\d{4})\-(\d\d)\-(\d\d)\s
|
|
(\d\d)\:(\d\d)\:(\d\d)\s([\-\+]\d+)/x)
|
|
or croak "Failed to parse date: $date\n";
|
|
$log_msg->{date} = "$tz $Y-$m-$d $H:$M:$S";
|
|
$log_msg->{author} = $info->{'Last Changed Author'};
|
|
$log_msg->{revision} = $committed;
|
|
$log_msg->{msg} .= "\n";
|
|
$log_msg->{parents} = [ $last->{commit} ];
|
|
$log_msg->{commit} = git_commit($log_msg, $commit);
|
|
return $log_msg;
|
|
}
|
|
# resync immediately
|
|
push @svn_up, "-r$last->{revision}";
|
|
sys(@svn_up);
|
|
return fetch("$committed=$commit");
|
|
}
|
|
|
|
sub rev_list_raw {
|
|
my (@args) = @_;
|
|
my $pid = open my $fh, '-|';
|
|
defined $pid or croak $!;
|
|
if (!$pid) {
|
|
exec(qw/git-rev-list --pretty=raw/, @args) or croak $!;
|
|
}
|
|
return { fh => $fh, t => { } };
|
|
}
|
|
|
|
sub next_rev_list_entry {
|
|
my $rl = shift;
|
|
my $fh = $rl->{fh};
|
|
my $x = $rl->{t};
|
|
while (<$fh>) {
|
|
if (/^commit ($sha1)$/o) {
|
|
if ($x->{c}) {
|
|
$rl->{t} = { c => $1 };
|
|
return $x;
|
|
} else {
|
|
$x->{c} = $1;
|
|
}
|
|
} elsif (/^parent ($sha1)$/o) {
|
|
$x->{p}->{$1} = 1;
|
|
} elsif (s/^ //) {
|
|
$x->{m} ||= '';
|
|
$x->{m} .= $_;
|
|
}
|
|
}
|
|
return ($x != $rl->{t}) ? $x : undef;
|
|
}
|
|
|
|
# read the entire log into a temporary file (which is removed ASAP)
|
|
# and store the file handle + parser state
|
|
sub svn_log_raw {
|
|
my (@log_args) = @_;
|
|
my $log_fh = IO::File->new_tmpfile or croak $!;
|
|
my $pid = fork;
|
|
defined $pid or croak $!;
|
|
if (!$pid) {
|
|
open STDOUT, '>&', $log_fh or croak $!;
|
|
exec (qw(svn log), @log_args) or croak $!
|
|
}
|
|
waitpid $pid, 0;
|
|
croak $? if $?;
|
|
seek $log_fh, 0, 0 or croak $!;
|
|
return { state => 'sep', fh => $log_fh };
|
|
}
|
|
|
|
sub next_log_entry {
|
|
my $log = shift; # retval of svn_log_raw()
|
|
my $ret = undef;
|
|
my $fh = $log->{fh};
|
|
|
|
while (<$fh>) {
|
|
chomp;
|
|
if (/^\-{72}$/) {
|
|
if ($log->{state} eq 'msg') {
|
|
if ($ret->{lines}) {
|
|
$ret->{msg} .= $_."\n";
|
|
unless(--$ret->{lines}) {
|
|
$log->{state} = 'sep';
|
|
}
|
|
} else {
|
|
croak "Log parse error at: $_\n",
|
|
$ret->{revision},
|
|
"\n";
|
|
}
|
|
next;
|
|
}
|
|
if ($log->{state} ne 'sep') {
|
|
croak "Log parse error at: $_\n",
|
|
"state: $log->{state}\n",
|
|
$ret->{revision},
|
|
"\n";
|
|
}
|
|
$log->{state} = 'rev';
|
|
|
|
# if we have an empty log message, put something there:
|
|
if ($ret) {
|
|
$ret->{msg} ||= "\n";
|
|
delete $ret->{lines};
|
|
return $ret;
|
|
}
|
|
next;
|
|
}
|
|
if ($log->{state} eq 'rev' && s/^r(\d+)\s*\|\s*//) {
|
|
my $rev = $1;
|
|
my ($author, $date, $lines) = split(/\s*\|\s*/, $_, 3);
|
|
($lines) = ($lines =~ /(\d+)/);
|
|
my ($Y,$m,$d,$H,$M,$S,$tz) = ($date =~
|
|
/(\d{4})\-(\d\d)\-(\d\d)\s
|
|
(\d\d)\:(\d\d)\:(\d\d)\s([\-\+]\d+)/x)
|
|
or croak "Failed to parse date: $date\n";
|
|
$ret = { revision => $rev,
|
|
date => "$tz $Y-$m-$d $H:$M:$S",
|
|
author => $author,
|
|
lines => $lines,
|
|
msg => '' };
|
|
if (defined $_authors && ! defined $users{$author}) {
|
|
die "Author: $author not defined in ",
|
|
"$_authors file\n";
|
|
}
|
|
$log->{state} = 'msg_start';
|
|
next;
|
|
}
|
|
# skip the first blank line of the message:
|
|
if ($log->{state} eq 'msg_start' && /^$/) {
|
|
$log->{state} = 'msg';
|
|
} elsif ($log->{state} eq 'msg') {
|
|
if ($ret->{lines}) {
|
|
$ret->{msg} .= $_."\n";
|
|
unless (--$ret->{lines}) {
|
|
$log->{state} = 'sep';
|
|
}
|
|
} else {
|
|
croak "Log parse error at: $_\n",
|
|
$ret->{revision},"\n";
|
|
}
|
|
}
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
sub svn_info {
|
|
my $url = shift || $SVN_URL;
|
|
|
|
my $pid = open my $info_fh, '-|';
|
|
defined $pid or croak $!;
|
|
|
|
if ($pid == 0) {
|
|
exec(qw(svn info),$url) or croak $!;
|
|
}
|
|
|
|
my $ret = {};
|
|
# only single-lines seem to exist in svn info output
|
|
while (<$info_fh>) {
|
|
chomp $_;
|
|
if (m#^([^:]+)\s*:\s*(\S.*)$#) {
|
|
$ret->{$1} = $2;
|
|
push @{$ret->{-order}}, $1;
|
|
}
|
|
}
|
|
close $info_fh or croak $?;
|
|
return $ret;
|
|
}
|
|
|
|
sub sys { system(@_) == 0 or croak $? }
|
|
|
|
sub do_update_index {
|
|
my ($z_cmd, $cmd, $no_text_base) = @_;
|
|
|
|
my $z = open my $p, '-|';
|
|
defined $z or croak $!;
|
|
unless ($z) { exec @$z_cmd or croak $! }
|
|
|
|
my $pid = open my $ui, '|-';
|
|
defined $pid or croak $!;
|
|
unless ($pid) {
|
|
exec('git-update-index',"--$cmd",'-z','--stdin') or croak $!;
|
|
}
|
|
local $/ = "\0";
|
|
while (my $x = <$p>) {
|
|
chomp $x;
|
|
if (!$no_text_base && lstat $x && ! -l _ &&
|
|
svn_propget_base('svn:keywords', $x)) {
|
|
my $mode = -x _ ? 0755 : 0644;
|
|
my ($v,$d,$f) = File::Spec->splitpath($x);
|
|
my $tb = File::Spec->catfile($d, '.svn', 'tmp',
|
|
'text-base',"$f.svn-base");
|
|
$tb =~ s#^/##;
|
|
unless (-f $tb) {
|
|
$tb = File::Spec->catfile($d, '.svn',
|
|
'text-base',"$f.svn-base");
|
|
$tb =~ s#^/##;
|
|
}
|
|
my @s = stat($x);
|
|
unlink $x or croak $!;
|
|
copy($tb, $x);
|
|
chmod(($mode &~ umask), $x) or croak $!;
|
|
utime $s[8], $s[9], $x;
|
|
}
|
|
print $ui $x,"\0";
|
|
}
|
|
close $ui or croak $?;
|
|
}
|
|
|
|
sub index_changes {
|
|
return if $_use_lib;
|
|
|
|
if (!-f "$GIT_SVN_DIR/info/exclude") {
|
|
open my $fd, '>>', "$GIT_SVN_DIR/info/exclude" or croak $!;
|
|
print $fd '.svn',"\n";
|
|
close $fd or croak $!;
|
|
}
|
|
my $no_text_base = shift;
|
|
do_update_index([qw/git-diff-files --name-only -z/],
|
|
'remove',
|
|
$no_text_base);
|
|
do_update_index([qw/git-ls-files -z --others/,
|
|
"--exclude-from=$GIT_SVN_DIR/info/exclude"],
|
|
'add',
|
|
$no_text_base);
|
|
}
|
|
|
|
sub s_to_file {
|
|
my ($str, $file, $mode) = @_;
|
|
open my $fd,'>',$file or croak $!;
|
|
print $fd $str,"\n" or croak $!;
|
|
close $fd or croak $!;
|
|
chmod ($mode &~ umask, $file) if (defined $mode);
|
|
}
|
|
|
|
sub file_to_s {
|
|
my $file = shift;
|
|
open my $fd,'<',$file or croak "$!: file: $file\n";
|
|
local $/;
|
|
my $ret = <$fd>;
|
|
close $fd or croak $!;
|
|
$ret =~ s/\s*$//s;
|
|
return $ret;
|
|
}
|
|
|
|
sub assert_revision_unknown {
|
|
my $r = shift;
|
|
if (my $c = revdb_get($REVDB, $r)) {
|
|
croak "$r = $c already exists! Why are we refetching it?";
|
|
}
|
|
}
|
|
|
|
sub trees_eq {
|
|
my ($x, $y) = @_;
|
|
my @x = safe_qx('git-cat-file','commit',$x);
|
|
my @y = safe_qx('git-cat-file','commit',$y);
|
|
if (($y[0] ne $x[0]) || $x[0] !~ /^tree $sha1\n$/
|
|
|| $y[0] !~ /^tree $sha1\n$/) {
|
|
print STDERR "Trees not equal: $y[0] != $x[0]\n";
|
|
return 0
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
sub git_commit {
|
|
my ($log_msg, @parents) = @_;
|
|
assert_revision_unknown($log_msg->{revision});
|
|
map_tree_joins() if (@_branch_from && !%tree_map);
|
|
|
|
my (@tmp_parents, @exec_parents, %seen_parent);
|
|
if (my $lparents = $log_msg->{parents}) {
|
|
@tmp_parents = @$lparents
|
|
}
|
|
# commit parents can be conditionally bound to a particular
|
|
# svn revision via: "svn_revno=commit_sha1", filter them out here:
|
|
foreach my $p (@parents) {
|
|
next unless defined $p;
|
|
if ($p =~ /^(\d+)=($sha1_short)$/o) {
|
|
if ($1 == $log_msg->{revision}) {
|
|
push @tmp_parents, $2;
|
|
}
|
|
} else {
|
|
push @tmp_parents, $p if $p =~ /$sha1_short/o;
|
|
}
|
|
}
|
|
my $tree = $log_msg->{tree};
|
|
if (!defined $tree) {
|
|
my $index = set_index($GIT_SVN_INDEX);
|
|
index_changes();
|
|
chomp($tree = `git-write-tree`);
|
|
croak $? if $?;
|
|
restore_index($index);
|
|
}
|
|
|
|
# just in case we clobber the existing ref, we still want that ref
|
|
# as our parent:
|
|
if (my $cur = eval { file_to_s("$GIT_DIR/refs/remotes/$GIT_SVN") }) {
|
|
push @tmp_parents, $cur;
|
|
}
|
|
|
|
if (exists $tree_map{$tree}) {
|
|
foreach my $p (@{$tree_map{$tree}}) {
|
|
my $skip;
|
|
foreach (@tmp_parents) {
|
|
# see if a common parent is found
|
|
my $mb = eval {
|
|
safe_qx('git-merge-base', $_, $p)
|
|
};
|
|
next if ($@ || $?);
|
|
$skip = 1;
|
|
last;
|
|
}
|
|
next if $skip;
|
|
my ($url_p, $r_p, $uuid_p) = cmt_metadata($p);
|
|
next if (($SVN_UUID eq $uuid_p) &&
|
|
($log_msg->{revision} > $r_p));
|
|
next if (defined $url_p && defined $SVN_URL &&
|
|
($SVN_UUID eq $uuid_p) &&
|
|
($url_p eq $SVN_URL));
|
|
push @tmp_parents, $p;
|
|
}
|
|
}
|
|
foreach (@tmp_parents) {
|
|
next if $seen_parent{$_};
|
|
$seen_parent{$_} = 1;
|
|
push @exec_parents, $_;
|
|
# MAXPARENT is defined to 16 in commit-tree.c:
|
|
last if @exec_parents > 16;
|
|
}
|
|
|
|
set_commit_env($log_msg);
|
|
my @exec = ('git-commit-tree', $tree);
|
|
push @exec, '-p', $_ foreach @exec_parents;
|
|
defined(my $pid = open3(my $msg_fh, my $out_fh, '>&STDERR', @exec))
|
|
or croak $!;
|
|
print $msg_fh $log_msg->{msg} or croak $!;
|
|
unless ($_no_metadata) {
|
|
print $msg_fh "\ngit-svn-id: $SVN_URL\@$log_msg->{revision}",
|
|
" $SVN_UUID\n" or croak $!;
|
|
}
|
|
$msg_fh->flush == 0 or croak $!;
|
|
close $msg_fh or croak $!;
|
|
chomp(my $commit = do { local $/; <$out_fh> });
|
|
close $out_fh or croak $!;
|
|
waitpid $pid, 0;
|
|
croak $? if $?;
|
|
if ($commit !~ /^$sha1$/o) {
|
|
die "Failed to commit, invalid sha1: $commit\n";
|
|
}
|
|
sys('git-update-ref',"refs/remotes/$GIT_SVN",$commit);
|
|
revdb_set($REVDB, $log_msg->{revision}, $commit);
|
|
|
|
# this output is read via pipe, do not change:
|
|
print "r$log_msg->{revision} = $commit\n";
|
|
check_repack();
|
|
return $commit;
|
|
}
|
|
|
|
sub check_repack {
|
|
if ($_repack && (--$_repack_nr == 0)) {
|
|
$_repack_nr = $_repack;
|
|
sys("git repack $_repack_flags");
|
|
}
|
|
}
|
|
|
|
sub set_commit_env {
|
|
my ($log_msg) = @_;
|
|
my $author = $log_msg->{author};
|
|
if (!defined $author || length $author == 0) {
|
|
$author = '(no author)';
|
|
}
|
|
my ($name,$email) = defined $users{$author} ? @{$users{$author}}
|
|
: ($author,"$author\@$SVN_UUID");
|
|
$ENV{GIT_AUTHOR_NAME} = $ENV{GIT_COMMITTER_NAME} = $name;
|
|
$ENV{GIT_AUTHOR_EMAIL} = $ENV{GIT_COMMITTER_EMAIL} = $email;
|
|
$ENV{GIT_AUTHOR_DATE} = $ENV{GIT_COMMITTER_DATE} = $log_msg->{date};
|
|
}
|
|
|
|
sub apply_mod_line_blob {
|
|
my $m = shift;
|
|
if ($m->{mode_b} =~ /^120/) {
|
|
blob_to_symlink($m->{sha1_b}, $m->{file_b});
|
|
} else {
|
|
blob_to_file($m->{sha1_b}, $m->{file_b});
|
|
}
|
|
}
|
|
|
|
sub blob_to_symlink {
|
|
my ($blob, $link) = @_;
|
|
defined $link or croak "\$link not defined!\n";
|
|
croak "Not a sha1: $blob\n" unless $blob =~ /^$sha1$/o;
|
|
if (-l $link || -f _) {
|
|
unlink $link or croak $!;
|
|
}
|
|
|
|
my $dest = `git-cat-file blob $blob`; # no newline, so no chomp
|
|
symlink $dest, $link or croak $!;
|
|
}
|
|
|
|
sub blob_to_file {
|
|
my ($blob, $file) = @_;
|
|
defined $file or croak "\$file not defined!\n";
|
|
croak "Not a sha1: $blob\n" unless $blob =~ /^$sha1$/o;
|
|
if (-l $file || -f _) {
|
|
unlink $file or croak $!;
|
|
}
|
|
|
|
open my $blob_fh, '>', $file or croak "$!: $file\n";
|
|
my $pid = fork;
|
|
defined $pid or croak $!;
|
|
|
|
if ($pid == 0) {
|
|
open STDOUT, '>&', $blob_fh or croak $!;
|
|
exec('git-cat-file','blob',$blob) or croak $!;
|
|
}
|
|
waitpid $pid, 0;
|
|
croak $? if $?;
|
|
|
|
close $blob_fh or croak $!;
|
|
}
|
|
|
|
sub safe_qx {
|
|
my $pid = open my $child, '-|';
|
|
defined $pid or croak $!;
|
|
if ($pid == 0) {
|
|
exec(@_) or croak $!;
|
|
}
|
|
my @ret = (<$child>);
|
|
close $child or croak $?;
|
|
die $? if $?; # just in case close didn't error out
|
|
return wantarray ? @ret : join('',@ret);
|
|
}
|
|
|
|
sub svn_compat_check {
|
|
if ($_follow_parent) {
|
|
print STDERR 'E: --follow-parent functionality is only ',
|
|
"available when SVN libraries are used\n";
|
|
exit 1;
|
|
}
|
|
my @co_help = safe_qx(qw(svn co -h));
|
|
unless (grep /ignore-externals/,@co_help) {
|
|
print STDERR "W: Installed svn version does not support ",
|
|
"--ignore-externals\n";
|
|
$_no_ignore_ext = 1;
|
|
}
|
|
if (grep /usage: checkout URL\[\@REV\]/,@co_help) {
|
|
$_svn_co_url_revs = 1;
|
|
}
|
|
if (grep /\[TARGET\[\@REV\]\.\.\.\]/, `svn propget -h`) {
|
|
$_svn_pg_peg_revs = 1;
|
|
}
|
|
|
|
# I really, really hope nobody hits this...
|
|
unless (grep /stop-on-copy/, (safe_qx(qw(svn log -h)))) {
|
|
print STDERR <<'';
|
|
W: The installed svn version does not support the --stop-on-copy flag in
|
|
the log command.
|
|
Lets hope the directory you're tracking is not a branch or tag
|
|
and was never moved within the repository...
|
|
|
|
$_no_stop_copy = 1;
|
|
}
|
|
}
|
|
|
|
# *sigh*, new versions of svn won't honor -r<rev> without URL@<rev>,
|
|
# (and they won't honor URL@<rev> without -r<rev>, too!)
|
|
sub svn_cmd_checkout {
|
|
my ($url, $rev, $dir) = @_;
|
|
my @cmd = ('svn','co', "-r$rev");
|
|
push @cmd, '--ignore-externals' unless $_no_ignore_ext;
|
|
$url .= "\@$rev" if $_svn_co_url_revs;
|
|
sys(@cmd, $url, $dir);
|
|
}
|
|
|
|
sub check_upgrade_needed {
|
|
if (!-r $REVDB) {
|
|
-d $GIT_SVN_DIR or mkpath([$GIT_SVN_DIR]);
|
|
open my $fh, '>>',$REVDB or croak $!;
|
|
close $fh;
|
|
}
|
|
my $old = eval {
|
|
my $pid = open my $child, '-|';
|
|
defined $pid or croak $!;
|
|
if ($pid == 0) {
|
|
close STDERR;
|
|
exec('git-rev-parse',"$GIT_SVN-HEAD") or croak $!;
|
|
}
|
|
my @ret = (<$child>);
|
|
close $child or croak $?;
|
|
die $? if $?; # just in case close didn't error out
|
|
return wantarray ? @ret : join('',@ret);
|
|
};
|
|
return unless $old;
|
|
my $head = eval { safe_qx('git-rev-parse',"refs/remotes/$GIT_SVN") };
|
|
if ($@ || !$head) {
|
|
print STDERR "Please run: $0 rebuild --upgrade\n";
|
|
exit 1;
|
|
}
|
|
}
|
|
|
|
# fills %tree_map with a reverse mapping of trees to commits. Useful
|
|
# for finding parents to commit on.
|
|
sub map_tree_joins {
|
|
my %seen;
|
|
foreach my $br (@_branch_from) {
|
|
my $pid = open my $pipe, '-|';
|
|
defined $pid or croak $!;
|
|
if ($pid == 0) {
|
|
exec(qw(git-rev-list --topo-order --pretty=raw), $br)
|
|
or croak $!;
|
|
}
|
|
while (<$pipe>) {
|
|
if (/^commit ($sha1)$/o) {
|
|
my $commit = $1;
|
|
|
|
# if we've seen a commit,
|
|
# we've seen its parents
|
|
last if $seen{$commit};
|
|
my ($tree) = (<$pipe> =~ /^tree ($sha1)$/o);
|
|
unless (defined $tree) {
|
|
die "Failed to parse commit $commit\n";
|
|
}
|
|
push @{$tree_map{$tree}}, $commit;
|
|
$seen{$commit} = 1;
|
|
}
|
|
}
|
|
close $pipe; # we could be breaking the pipe early
|
|
}
|
|
}
|
|
|
|
sub load_all_refs {
|
|
if (@_branch_from) {
|
|
print STDERR '--branch|-b parameters are ignored when ',
|
|
"--branch-all-refs|-B is passed\n";
|
|
}
|
|
|
|
# don't worry about rev-list on non-commit objects/tags,
|
|
# it shouldn't blow up if a ref is a blob or tree...
|
|
chomp(@_branch_from = `git-rev-parse --symbolic --all`);
|
|
}
|
|
|
|
# '<svn username> = real-name <email address>' mapping based on git-svnimport:
|
|
sub load_authors {
|
|
open my $authors, '<', $_authors or die "Can't open $_authors $!\n";
|
|
while (<$authors>) {
|
|
chomp;
|
|
next unless /^(\S+?)\s*=\s*(.+?)\s*<(.+)>\s*$/;
|
|
my ($user, $name, $email) = ($1, $2, $3);
|
|
$users{$user} = [$name, $email];
|
|
}
|
|
close $authors or croak $!;
|
|
}
|
|
|
|
sub rload_authors {
|
|
open my $authors, '<', $_authors or die "Can't open $_authors $!\n";
|
|
while (<$authors>) {
|
|
chomp;
|
|
next unless /^(\S+?)\s*=\s*(.+?)\s*<(.+)>\s*$/;
|
|
my ($user, $name, $email) = ($1, $2, $3);
|
|
$rusers{"$name <$email>"} = $user;
|
|
}
|
|
close $authors or croak $!;
|
|
}
|
|
|
|
sub svn_propget_base {
|
|
my ($p, $f) = @_;
|
|
$f .= '@BASE' if $_svn_pg_peg_revs;
|
|
return safe_qx(qw/svn propget/, $p, $f);
|
|
}
|
|
|
|
sub git_svn_each {
|
|
my $sub = shift;
|
|
foreach (`git-rev-parse --symbolic --all`) {
|
|
next unless s#^refs/remotes/##;
|
|
chomp $_;
|
|
next unless -f "$GIT_DIR/svn/$_/info/url";
|
|
&$sub($_);
|
|
}
|
|
}
|
|
|
|
sub migrate_revdb {
|
|
git_svn_each(sub {
|
|
my $id = shift;
|
|
defined(my $pid = fork) or croak $!;
|
|
if (!$pid) {
|
|
$GIT_SVN = $ENV{GIT_SVN_ID} = $id;
|
|
init_vars();
|
|
exit 0 if -r $REVDB;
|
|
print "Upgrading svn => git mapping...\n";
|
|
-d $GIT_SVN_DIR or mkpath([$GIT_SVN_DIR]);
|
|
open my $fh, '>>',$REVDB or croak $!;
|
|
close $fh;
|
|
rebuild();
|
|
print "Done upgrading. You may now delete the ",
|
|
"deprecated $GIT_SVN_DIR/revs directory\n";
|
|
exit 0;
|
|
}
|
|
waitpid $pid, 0;
|
|
croak $? if $?;
|
|
});
|
|
}
|
|
|
|
sub migration_check {
|
|
migrate_revdb() unless (-e $REVDB);
|
|
return if (-d "$GIT_DIR/svn" || !-d $GIT_DIR);
|
|
print "Upgrading repository...\n";
|
|
unless (-d "$GIT_DIR/svn") {
|
|
mkdir "$GIT_DIR/svn" or croak $!;
|
|
}
|
|
print "Data from a previous version of git-svn exists, but\n\t",
|
|
"$GIT_SVN_DIR\n\t(required for this version ",
|
|
"($VERSION) of git-svn) does not.\n";
|
|
|
|
foreach my $x (`git-rev-parse --symbolic --all`) {
|
|
next unless $x =~ s#^refs/remotes/##;
|
|
chomp $x;
|
|
next unless -f "$GIT_DIR/$x/info/url";
|
|
my $u = eval { file_to_s("$GIT_DIR/$x/info/url") };
|
|
next unless $u;
|
|
my $dn = dirname("$GIT_DIR/svn/$x");
|
|
mkpath([$dn]) unless -d $dn;
|
|
rename "$GIT_DIR/$x", "$GIT_DIR/svn/$x" or croak "$!: $x";
|
|
}
|
|
migrate_revdb() if (-d $GIT_SVN_DIR && !-w $REVDB);
|
|
print "Done upgrading.\n";
|
|
}
|
|
|
|
sub find_rev_before {
|
|
my ($r, $id, $eq_ok) = @_;
|
|
my $f = "$GIT_DIR/svn/$id/.rev_db";
|
|
return (undef,undef) unless -r $f;
|
|
--$r unless $eq_ok;
|
|
while ($r > 0) {
|
|
if (my $c = revdb_get($f, $r)) {
|
|
return ($r, $c);
|
|
}
|
|
--$r;
|
|
}
|
|
return (undef, undef);
|
|
}
|
|
|
|
sub init_vars {
|
|
$GIT_SVN ||= $ENV{GIT_SVN_ID} || 'git-svn';
|
|
$GIT_SVN_DIR = "$GIT_DIR/svn/$GIT_SVN";
|
|
$REVDB = "$GIT_SVN_DIR/.rev_db";
|
|
$GIT_SVN_INDEX = "$GIT_SVN_DIR/index";
|
|
$SVN_URL = undef;
|
|
$SVN_WC = "$GIT_SVN_DIR/tree";
|
|
%tree_map = ();
|
|
}
|
|
|
|
# convert GetOpt::Long specs for use by git-repo-config
|
|
sub read_repo_config {
|
|
return unless -d $GIT_DIR;
|
|
my $opts = shift;
|
|
foreach my $o (keys %$opts) {
|
|
my $v = $opts->{$o};
|
|
my ($key) = ($o =~ /^([a-z\-]+)/);
|
|
$key =~ s/-//g;
|
|
my $arg = 'git-repo-config';
|
|
$arg .= ' --int' if ($o =~ /[:=]i$/);
|
|
$arg .= ' --bool' if ($o !~ /[:=][sfi]$/);
|
|
if (ref $v eq 'ARRAY') {
|
|
chomp(my @tmp = `$arg --get-all svn.$key`);
|
|
@$v = @tmp if @tmp;
|
|
} else {
|
|
chomp(my $tmp = `$arg --get svn.$key`);
|
|
if ($tmp && !($arg =~ / --bool / && $tmp eq 'false')) {
|
|
$$v = $tmp;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub set_default_vals {
|
|
if (defined $_repack) {
|
|
$_repack = 1000 if ($_repack <= 0);
|
|
$_repack_nr = $_repack;
|
|
$_repack_flags ||= '-d';
|
|
}
|
|
}
|
|
|
|
sub read_grafts {
|
|
my $gr_file = shift;
|
|
my ($grafts, $comments) = ({}, {});
|
|
if (open my $fh, '<', $gr_file) {
|
|
my @tmp;
|
|
while (<$fh>) {
|
|
if (/^($sha1)\s+/) {
|
|
my $c = $1;
|
|
if (@tmp) {
|
|
@{$comments->{$c}} = @tmp;
|
|
@tmp = ();
|
|
}
|
|
foreach my $p (split /\s+/, $_) {
|
|
$grafts->{$c}->{$p} = 1;
|
|
}
|
|
} else {
|
|
push @tmp, $_;
|
|
}
|
|
}
|
|
close $fh or croak $!;
|
|
@{$comments->{'END'}} = @tmp if @tmp;
|
|
}
|
|
return ($grafts, $comments);
|
|
}
|
|
|
|
sub write_grafts {
|
|
my ($grafts, $comments, $gr_file) = @_;
|
|
|
|
open my $fh, '>', $gr_file or croak $!;
|
|
foreach my $c (sort keys %$grafts) {
|
|
if ($comments->{$c}) {
|
|
print $fh $_ foreach @{$comments->{$c}};
|
|
}
|
|
my $p = $grafts->{$c};
|
|
my %x; # real parents
|
|
delete $p->{$c}; # commits are not self-reproducing...
|
|
my $pid = open my $ch, '-|';
|
|
defined $pid or croak $!;
|
|
if (!$pid) {
|
|
exec(qw/git-cat-file commit/, $c) or croak $!;
|
|
}
|
|
while (<$ch>) {
|
|
if (/^parent ($sha1)/) {
|
|
$x{$1} = $p->{$1} = 1;
|
|
} else {
|
|
last unless /^\S/;
|
|
}
|
|
}
|
|
close $ch; # breaking the pipe
|
|
|
|
# if real parents are the only ones in the grafts, drop it
|
|
next if join(' ',sort keys %$p) eq join(' ',sort keys %x);
|
|
|
|
my (@ip, @jp, $mb);
|
|
my %del = %x;
|
|
@ip = @jp = keys %$p;
|
|
foreach my $i (@ip) {
|
|
next if $del{$i} || $p->{$i} == 2;
|
|
foreach my $j (@jp) {
|
|
next if $i eq $j || $del{$j} || $p->{$j} == 2;
|
|
$mb = eval { safe_qx('git-merge-base',$i,$j) };
|
|
next unless $mb;
|
|
chomp $mb;
|
|
next if $x{$mb};
|
|
if ($mb eq $j) {
|
|
delete $p->{$i};
|
|
$del{$i} = 1;
|
|
} elsif ($mb eq $i) {
|
|
delete $p->{$j};
|
|
$del{$j} = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
# if real parents are the only ones in the grafts, drop it
|
|
next if join(' ',sort keys %$p) eq join(' ',sort keys %x);
|
|
|
|
print $fh $c, ' ', join(' ', sort keys %$p),"\n";
|
|
}
|
|
if ($comments->{'END'}) {
|
|
print $fh $_ foreach @{$comments->{'END'}};
|
|
}
|
|
close $fh or croak $!;
|
|
}
|
|
|
|
sub read_url_paths_all {
|
|
my ($l_map, $pfx, $p) = @_;
|
|
my @dir;
|
|
foreach (<$p/*>) {
|
|
if (-r "$_/info/url") {
|
|
$pfx .= '/' if $pfx && $pfx !~ m!/$!;
|
|
my $id = $pfx . basename $_;
|
|
my $url = file_to_s("$_/info/url");
|
|
my ($u, $p) = repo_path_split($url);
|
|
$l_map->{$u}->{$p} = $id;
|
|
} elsif (-d $_) {
|
|
push @dir, $_;
|
|
}
|
|
}
|
|
foreach (@dir) {
|
|
my $x = $_;
|
|
$x =~ s!^\Q$GIT_DIR\E/svn/!!o;
|
|
read_url_paths_all($l_map, $x, $_);
|
|
}
|
|
}
|
|
|
|
# this one only gets ids that have been imported, not new ones
|
|
sub read_url_paths {
|
|
my $l_map = {};
|
|
git_svn_each(sub { my $x = shift;
|
|
my $url = file_to_s("$GIT_DIR/svn/$x/info/url");
|
|
my ($u, $p) = repo_path_split($url);
|
|
$l_map->{$u}->{$p} = $x;
|
|
});
|
|
return $l_map;
|
|
}
|
|
|
|
sub extract_metadata {
|
|
my $id = shift or return (undef, undef, undef);
|
|
my ($url, $rev, $uuid) = ($id =~ /^git-svn-id:\s(\S+?)\@(\d+)
|
|
\s([a-f\d\-]+)$/x);
|
|
if (!$rev || !$uuid || !$url) {
|
|
# some of the original repositories I made had
|
|
# identifiers like this:
|
|
($rev, $uuid) = ($id =~/^git-svn-id:\s(\d+)\@([a-f\d\-]+)/);
|
|
}
|
|
return ($url, $rev, $uuid);
|
|
}
|
|
|
|
sub cmt_metadata {
|
|
return extract_metadata((grep(/^git-svn-id: /,
|
|
safe_qx(qw/git-cat-file commit/, shift)))[-1]);
|
|
}
|
|
|
|
sub get_commit_time {
|
|
my $cmt = shift;
|
|
defined(my $pid = open my $fh, '-|') or croak $!;
|
|
if (!$pid) {
|
|
exec qw/git-rev-list --pretty=raw -n1/, $cmt or croak $!;
|
|
}
|
|
while (<$fh>) {
|
|
/^committer\s(?:.+) (\d+) ([\-\+]?\d+)$/ or next;
|
|
my ($s, $tz) = ($1, $2);
|
|
if ($tz =~ s/^\+//) {
|
|
$s += tz_to_s_offset($tz);
|
|
} elsif ($tz =~ s/^\-//) {
|
|
$s -= tz_to_s_offset($tz);
|
|
}
|
|
close $fh;
|
|
return $s;
|
|
}
|
|
die "Can't get commit time for commit: $cmt\n";
|
|
}
|
|
|
|
sub tz_to_s_offset {
|
|
my ($tz) = @_;
|
|
$tz =~ s/(\d\d)$//;
|
|
return ($1 * 60) + ($tz * 3600);
|
|
}
|
|
|
|
sub setup_pager { # translated to Perl from pager.c
|
|
return unless (-t *STDOUT);
|
|
my $pager = $ENV{PAGER};
|
|
if (!defined $pager) {
|
|
$pager = 'less';
|
|
} elsif (length $pager == 0 || $pager eq 'cat') {
|
|
return;
|
|
}
|
|
pipe my $rfd, my $wfd or return;
|
|
defined(my $pid = fork) or croak $!;
|
|
if (!$pid) {
|
|
open STDOUT, '>&', $wfd or croak $!;
|
|
return;
|
|
}
|
|
open STDIN, '<&', $rfd or croak $!;
|
|
$ENV{LESS} ||= '-S';
|
|
exec $pager or croak "Can't run pager: $!\n";;
|
|
}
|
|
|
|
sub get_author_info {
|
|
my ($dest, $author, $t, $tz) = @_;
|
|
$author =~ s/(?:^\s*|\s*$)//g;
|
|
$dest->{a_raw} = $author;
|
|
my $_a;
|
|
if ($_authors) {
|
|
$_a = $rusers{$author} || undef;
|
|
}
|
|
if (!$_a) {
|
|
($_a) = ($author =~ /<([^>]+)\@[^>]+>$/);
|
|
}
|
|
$dest->{t} = $t;
|
|
$dest->{tz} = $tz;
|
|
$dest->{a} = $_a;
|
|
# Date::Parse isn't in the standard Perl distro :(
|
|
if ($tz =~ s/^\+//) {
|
|
$t += tz_to_s_offset($tz);
|
|
} elsif ($tz =~ s/^\-//) {
|
|
$t -= tz_to_s_offset($tz);
|
|
}
|
|
$dest->{t_utc} = $t;
|
|
}
|
|
|
|
sub process_commit {
|
|
my ($c, $r_min, $r_max, $defer) = @_;
|
|
if (defined $r_min && defined $r_max) {
|
|
if ($r_min == $c->{r} && $r_min == $r_max) {
|
|
show_commit($c);
|
|
return 0;
|
|
}
|
|
return 1 if $r_min == $r_max;
|
|
if ($r_min < $r_max) {
|
|
# we need to reverse the print order
|
|
return 0 if (defined $_limit && --$_limit < 0);
|
|
push @$defer, $c;
|
|
return 1;
|
|
}
|
|
if ($r_min != $r_max) {
|
|
return 1 if ($r_min < $c->{r});
|
|
return 1 if ($r_max > $c->{r});
|
|
}
|
|
}
|
|
return 0 if (defined $_limit && --$_limit < 0);
|
|
show_commit($c);
|
|
return 1;
|
|
}
|
|
|
|
sub show_commit {
|
|
my $c = shift;
|
|
if ($_oneline) {
|
|
my $x = "\n";
|
|
if (my $l = $c->{l}) {
|
|
while ($l->[0] =~ /^\s*$/) { shift @$l }
|
|
$x = $l->[0];
|
|
}
|
|
$_l_fmt ||= 'A' . length($c->{r});
|
|
print 'r',pack($_l_fmt, $c->{r}),' | ';
|
|
print "$c->{c} | " if $_show_commit;
|
|
print $x;
|
|
} else {
|
|
show_commit_normal($c);
|
|
}
|
|
}
|
|
|
|
sub show_commit_normal {
|
|
my ($c) = @_;
|
|
print '-' x72, "\nr$c->{r} | ";
|
|
print "$c->{c} | " if $_show_commit;
|
|
print "$c->{a} | ", strftime("%Y-%m-%d %H:%M:%S %z (%a, %d %b %Y)",
|
|
localtime($c->{t_utc})), ' | ';
|
|
my $nr_line = 0;
|
|
|
|
if (my $l = $c->{l}) {
|
|
while ($l->[$#$l] eq "\n" && $l->[($#$l - 1)] eq "\n") {
|
|
pop @$l;
|
|
}
|
|
$nr_line = scalar @$l;
|
|
if (!$nr_line) {
|
|
print "1 line\n\n\n";
|
|
} else {
|
|
if ($nr_line == 1) {
|
|
$nr_line = '1 line';
|
|
} else {
|
|
$nr_line .= ' lines';
|
|
}
|
|
print $nr_line, "\n\n";
|
|
print $_ foreach @$l;
|
|
}
|
|
} else {
|
|
print "1 line\n\n";
|
|
|
|
}
|
|
foreach my $x (qw/raw diff/) {
|
|
if ($c->{$x}) {
|
|
print "\n";
|
|
print $_ foreach @{$c->{$x}}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub libsvn_load {
|
|
return unless $_use_lib;
|
|
$_use_lib = eval {
|
|
require SVN::Core;
|
|
if ($SVN::Core::VERSION lt '1.1.0') {
|
|
die "Need SVN::Core 1.1.0 or better ",
|
|
"(got $SVN::Core::VERSION) ",
|
|
"Falling back to command-line svn\n";
|
|
}
|
|
require SVN::Ra;
|
|
require SVN::Delta;
|
|
push @SVN::Git::Editor::ISA, 'SVN::Delta::Editor';
|
|
my $kill_stupid_warnings = $SVN::Node::none.$SVN::Node::file.
|
|
$SVN::Node::dir.$SVN::Node::unknown.
|
|
$SVN::Node::none.$SVN::Node::file.
|
|
$SVN::Node::dir.$SVN::Node::unknown;
|
|
1;
|
|
};
|
|
}
|
|
|
|
sub libsvn_connect {
|
|
my ($url) = @_;
|
|
my $auth = SVN::Core::auth_open([SVN::Client::get_simple_provider(),
|
|
SVN::Client::get_ssl_server_trust_file_provider(),
|
|
SVN::Client::get_username_provider()]);
|
|
my $s = eval { SVN::Ra->new(url => $url, auth => $auth) };
|
|
return $s;
|
|
}
|
|
|
|
sub libsvn_get_file {
|
|
my ($gui, $f, $rev) = @_;
|
|
my $p = $f;
|
|
if (length $SVN_PATH > 0) {
|
|
return unless ($p =~ s#^\Q$SVN_PATH\E/##);
|
|
}
|
|
|
|
my ($hash, $pid, $in, $out);
|
|
my $pool = SVN::Pool->new;
|
|
defined($pid = open3($in, $out, '>&STDERR',
|
|
qw/git-hash-object -w --stdin/)) or croak $!;
|
|
# redirect STDOUT for SVN 1.1.x compatibility
|
|
open my $stdout, '>&', \*STDOUT or croak $!;
|
|
open STDOUT, '>&', $in or croak $!;
|
|
my ($r, $props) = $SVN->get_file($f, $rev, \*STDOUT, $pool);
|
|
$in->flush == 0 or croak $!;
|
|
open STDOUT, '>&', $stdout or croak $!;
|
|
close $in or croak $!;
|
|
close $stdout or croak $!;
|
|
$pool->clear;
|
|
chomp($hash = do { local $/; <$out> });
|
|
close $out or croak $!;
|
|
waitpid $pid, 0;
|
|
$hash =~ /^$sha1$/o or die "not a sha1: $hash\n";
|
|
|
|
my $mode = exists $props->{'svn:executable'} ? '100755' : '100644';
|
|
if (exists $props->{'svn:special'}) {
|
|
$mode = '120000';
|
|
my $link = `git-cat-file blob $hash`;
|
|
$link =~ s/^link // or die "svn:special file with contents: <",
|
|
$link, "> is not understood\n";
|
|
defined($pid = open3($in, $out, '>&STDERR',
|
|
qw/git-hash-object -w --stdin/)) or croak $!;
|
|
print $in $link;
|
|
$in->flush == 0 or croak $!;
|
|
close $in or croak $!;
|
|
chomp($hash = do { local $/; <$out> });
|
|
close $out or croak $!;
|
|
waitpid $pid, 0;
|
|
$hash =~ /^$sha1$/o or die "not a sha1: $hash\n";
|
|
}
|
|
print $gui $mode,' ',$hash,"\t",$p,"\0" or croak $!;
|
|
}
|
|
|
|
sub libsvn_log_entry {
|
|
my ($rev, $author, $date, $msg, $parents) = @_;
|
|
my ($Y,$m,$d,$H,$M,$S) = ($date =~ /^(\d{4})\-(\d\d)\-(\d\d)T
|
|
(\d\d)\:(\d\d)\:(\d\d).\d+Z$/x)
|
|
or die "Unable to parse date: $date\n";
|
|
if (defined $_authors && ! defined $users{$author}) {
|
|
die "Author: $author not defined in $_authors file\n";
|
|
}
|
|
$msg = '' if ($rev == 0 && !defined $msg);
|
|
return { revision => $rev, date => "+0000 $Y-$m-$d $H:$M:$S",
|
|
author => $author, msg => $msg."\n", parents => $parents || [] }
|
|
}
|
|
|
|
sub process_rm {
|
|
my ($gui, $last_commit, $f) = @_;
|
|
$f =~ s#^\Q$SVN_PATH\E/?## or return;
|
|
# remove entire directories.
|
|
if (safe_qx('git-ls-tree',$last_commit,'--',$f) =~ /^040000 tree/) {
|
|
defined(my $pid = open my $ls, '-|') or croak $!;
|
|
if (!$pid) {
|
|
exec(qw/git-ls-tree -r --name-only -z/,
|
|
$last_commit,'--',$f) or croak $!;
|
|
}
|
|
local $/ = "\0";
|
|
while (<$ls>) {
|
|
print $gui '0 ',0 x 40,"\t",$_ or croak $!;
|
|
}
|
|
close $ls or croak $?;
|
|
} else {
|
|
print $gui '0 ',0 x 40,"\t",$f,"\0" or croak $!;
|
|
}
|
|
}
|
|
|
|
sub libsvn_fetch {
|
|
my ($last_commit, $paths, $rev, $author, $date, $msg) = @_;
|
|
open my $gui, '| git-update-index -z --index-info' or croak $!;
|
|
my @amr;
|
|
foreach my $f (keys %$paths) {
|
|
my $m = $paths->{$f}->action();
|
|
$f =~ s#^/+##;
|
|
if ($m =~ /^[DR]$/) {
|
|
print "\t$m\t$f\n" unless $_q;
|
|
process_rm($gui, $last_commit, $f);
|
|
next if $m eq 'D';
|
|
# 'R' can be file replacements, too, right?
|
|
}
|
|
my $pool = SVN::Pool->new;
|
|
my $t = $SVN->check_path($f, $rev, $pool);
|
|
if ($t == $SVN::Node::file) {
|
|
if ($m =~ /^[AMR]$/) {
|
|
push @amr, [ $m, $f ];
|
|
} else {
|
|
die "Unrecognized action: $m, ($f r$rev)\n";
|
|
}
|
|
} elsif ($t == $SVN::Node::dir && $m =~ /^[AR]$/) {
|
|
my @traversed = ();
|
|
libsvn_traverse($gui, '', $f, $rev, \@traversed);
|
|
foreach (@traversed) {
|
|
push @amr, [ $m, $_ ]
|
|
}
|
|
}
|
|
$pool->clear;
|
|
}
|
|
foreach (@amr) {
|
|
print "\t$_->[0]\t$_->[1]\n" unless $_q;
|
|
libsvn_get_file($gui, $_->[1], $rev)
|
|
}
|
|
close $gui or croak $?;
|
|
return libsvn_log_entry($rev, $author, $date, $msg, [$last_commit]);
|
|
}
|
|
|
|
sub svn_grab_base_rev {
|
|
defined(my $pid = open my $fh, '-|') or croak $!;
|
|
if (!$pid) {
|
|
open my $null, '>', '/dev/null' or croak $!;
|
|
open STDERR, '>&', $null or croak $!;
|
|
exec qw/git-rev-parse --verify/,"refs/remotes/$GIT_SVN^0"
|
|
or croak $!;
|
|
}
|
|
chomp(my $c = do { local $/; <$fh> });
|
|
close $fh;
|
|
if (defined $c && length $c) {
|
|
my ($url, $rev, $uuid) = cmt_metadata($c);
|
|
return ($rev, $c) if defined $rev;
|
|
}
|
|
if ($_no_metadata) {
|
|
my $offset = -41; # from tail
|
|
my $rl;
|
|
open my $fh, '<', $REVDB or
|
|
die "--no-metadata specified and $REVDB not readable\n";
|
|
seek $fh, $offset, 2;
|
|
$rl = readline $fh;
|
|
defined $rl or return (undef, undef);
|
|
chomp $rl;
|
|
while ($c ne $rl && tell $fh != 0) {
|
|
$offset -= 41;
|
|
seek $fh, $offset, 2;
|
|
$rl = readline $fh;
|
|
defined $rl or return (undef, undef);
|
|
chomp $rl;
|
|
}
|
|
my $rev = tell $fh;
|
|
croak $! if ($rev < -1);
|
|
$rev = ($rev - 41) / 41;
|
|
close $fh or croak $!;
|
|
return ($rev, $c);
|
|
}
|
|
return (undef, undef);
|
|
}
|
|
|
|
sub libsvn_parse_revision {
|
|
my $base = shift;
|
|
my $head = $SVN->get_latest_revnum();
|
|
if (!defined $_revision || $_revision eq 'BASE:HEAD') {
|
|
return ($base + 1, $head) if (defined $base);
|
|
return (0, $head);
|
|
}
|
|
return ($1, $2) if ($_revision =~ /^(\d+):(\d+)$/);
|
|
return ($_revision, $_revision) if ($_revision =~ /^\d+$/);
|
|
if ($_revision =~ /^BASE:(\d+)$/) {
|
|
return ($base + 1, $1) if (defined $base);
|
|
return (0, $head);
|
|
}
|
|
return ($1, $head) if ($_revision =~ /^(\d+):HEAD$/);
|
|
die "revision argument: $_revision not understood by git-svn\n",
|
|
"Try using the command-line svn client instead\n";
|
|
}
|
|
|
|
sub libsvn_traverse {
|
|
my ($gui, $pfx, $path, $rev, $files) = @_;
|
|
my $cwd = "$pfx/$path";
|
|
my $pool = SVN::Pool->new;
|
|
$cwd =~ s#^/+##g;
|
|
my ($dirent, $r, $props) = $SVN->get_dir($cwd, $rev, $pool);
|
|
foreach my $d (keys %$dirent) {
|
|
my $t = $dirent->{$d}->kind;
|
|
if ($t == $SVN::Node::dir) {
|
|
libsvn_traverse($gui, $cwd, $d, $rev, $files);
|
|
} elsif ($t == $SVN::Node::file) {
|
|
my $file = "$cwd/$d";
|
|
if (defined $files) {
|
|
push @$files, $file;
|
|
} else {
|
|
print "\tA\t$file\n" unless $_q;
|
|
libsvn_get_file($gui, $file, $rev);
|
|
}
|
|
}
|
|
}
|
|
$pool->clear;
|
|
}
|
|
|
|
sub libsvn_traverse_ignore {
|
|
my ($fh, $path, $r) = @_;
|
|
$path =~ s#^/+##g;
|
|
my $pool = SVN::Pool->new;
|
|
my ($dirent, undef, $props) = $SVN->get_dir($path, $r, $pool);
|
|
my $p = $path;
|
|
$p =~ s#^\Q$SVN_PATH\E/?##;
|
|
print $fh length $p ? "\n# $p\n" : "\n# /\n";
|
|
if (my $s = $props->{'svn:ignore'}) {
|
|
$s =~ s/[\r\n]+/\n/g;
|
|
chomp $s;
|
|
if (length $p == 0) {
|
|
$s =~ s#\n#\n/$p#g;
|
|
print $fh "/$s\n";
|
|
} else {
|
|
$s =~ s#\n#\n/$p/#g;
|
|
print $fh "/$p/$s\n";
|
|
}
|
|
}
|
|
foreach (sort keys %$dirent) {
|
|
next if $dirent->{$_}->kind != $SVN::Node::dir;
|
|
libsvn_traverse_ignore($fh, "$path/$_", $r);
|
|
}
|
|
$pool->clear;
|
|
}
|
|
|
|
sub revisions_eq {
|
|
my ($path, $r0, $r1) = @_;
|
|
return 1 if $r0 == $r1;
|
|
my $nr = 0;
|
|
if ($_use_lib) {
|
|
# should be OK to use Pool here (r1 - r0) should be small
|
|
my $pool = SVN::Pool->new;
|
|
libsvn_get_log($SVN, "/$path", $r0, $r1,
|
|
0, 1, 1, sub {$nr++}, $pool);
|
|
$pool->clear;
|
|
} else {
|
|
my ($url, undef) = repo_path_split($SVN_URL);
|
|
my $svn_log = svn_log_raw("$url/$path","-r$r0:$r1");
|
|
while (next_log_entry($svn_log)) { $nr++ }
|
|
close $svn_log->{fh};
|
|
}
|
|
return 0 if ($nr > 1);
|
|
return 1;
|
|
}
|
|
|
|
sub libsvn_find_parent_branch {
|
|
my ($paths, $rev, $author, $date, $msg) = @_;
|
|
my $svn_path = '/'.$SVN_PATH;
|
|
|
|
# look for a parent from another branch:
|
|
my $i = $paths->{$svn_path} or return;
|
|
my $branch_from = $i->copyfrom_path or return;
|
|
my $r = $i->copyfrom_rev;
|
|
print STDERR "Found possible branch point: ",
|
|
"$branch_from => $svn_path, $r\n";
|
|
$branch_from =~ s#^/##;
|
|
my $l_map = {};
|
|
read_url_paths_all($l_map, '', "$GIT_DIR/svn");
|
|
my $url = $SVN->{url};
|
|
defined $l_map->{$url} or return;
|
|
my $id = $l_map->{$url}->{$branch_from};
|
|
if (!defined $id && $_follow_parent) {
|
|
print STDERR "Following parent: $branch_from\@$r\n";
|
|
# auto create a new branch and follow it
|
|
$id = basename($branch_from);
|
|
$id .= '@'.$r if -r "$GIT_DIR/svn/$id";
|
|
while (-r "$GIT_DIR/svn/$id") {
|
|
# just grow a tail if we're not unique enough :x
|
|
$id .= '-';
|
|
}
|
|
}
|
|
return unless defined $id;
|
|
|
|
my ($r0, $parent) = find_rev_before($r,$id,1);
|
|
if ($_follow_parent && (!defined $r0 || !defined $parent)) {
|
|
defined(my $pid = fork) or croak $!;
|
|
if (!$pid) {
|
|
$GIT_SVN = $ENV{GIT_SVN_ID} = $id;
|
|
init_vars();
|
|
$SVN_URL = "$url/$branch_from";
|
|
$SVN_LOG = $SVN = undef;
|
|
setup_git_svn();
|
|
# we can't assume SVN_URL exists at r+1:
|
|
$_revision = "0:$r";
|
|
fetch_lib();
|
|
exit 0;
|
|
}
|
|
waitpid $pid, 0;
|
|
croak $? if $?;
|
|
($r0, $parent) = find_rev_before($r,$id,1);
|
|
}
|
|
return unless (defined $r0 && defined $parent);
|
|
if (revisions_eq($branch_from, $r0, $r)) {
|
|
unlink $GIT_SVN_INDEX;
|
|
print STDERR "Found branch parent: ($GIT_SVN) $parent\n";
|
|
sys(qw/git-read-tree/, $parent);
|
|
return libsvn_fetch($parent, $paths, $rev,
|
|
$author, $date, $msg);
|
|
}
|
|
print STDERR "Nope, branch point not imported or unknown\n";
|
|
return undef;
|
|
}
|
|
|
|
sub libsvn_get_log {
|
|
my ($ra, @args) = @_;
|
|
if ($SVN::Core::VERSION le '1.2.0') {
|
|
splice(@args, 3, 1);
|
|
}
|
|
$ra->get_log(@args);
|
|
}
|
|
|
|
sub libsvn_new_tree {
|
|
if (my $log_entry = libsvn_find_parent_branch(@_)) {
|
|
return $log_entry;
|
|
}
|
|
my ($paths, $rev, $author, $date, $msg) = @_;
|
|
open my $gui, '| git-update-index -z --index-info' or croak $!;
|
|
libsvn_traverse($gui, '', $SVN_PATH, $rev);
|
|
close $gui or croak $?;
|
|
return libsvn_log_entry($rev, $author, $date, $msg);
|
|
}
|
|
|
|
sub find_graft_path_commit {
|
|
my ($tree_paths, $p1, $r1) = @_;
|
|
foreach my $x (keys %$tree_paths) {
|
|
next unless ($p1 =~ /^\Q$x\E/);
|
|
my $i = $tree_paths->{$x};
|
|
my ($r0, $parent) = find_rev_before($r1,$i,1);
|
|
return $parent if (defined $r0 && $r0 == $r1);
|
|
print STDERR "r$r1 of $i not imported\n";
|
|
next;
|
|
}
|
|
return undef;
|
|
}
|
|
|
|
sub find_graft_path_parents {
|
|
my ($grafts, $tree_paths, $c, $p0, $r0) = @_;
|
|
foreach my $x (keys %$tree_paths) {
|
|
next unless ($p0 =~ /^\Q$x\E/);
|
|
my $i = $tree_paths->{$x};
|
|
my ($r, $parent) = find_rev_before($r0, $i, 1);
|
|
if (defined $r && defined $parent && revisions_eq($x,$r,$r0)) {
|
|
my ($url_b, undef, $uuid_b) = cmt_metadata($c);
|
|
my ($url_a, undef, $uuid_a) = cmt_metadata($parent);
|
|
next if ($url_a && $url_b && $url_a eq $url_b &&
|
|
$uuid_b eq $uuid_a);
|
|
$grafts->{$c}->{$parent} = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
sub libsvn_graft_file_copies {
|
|
my ($grafts, $tree_paths, $path, $paths, $rev) = @_;
|
|
foreach (keys %$paths) {
|
|
my $i = $paths->{$_};
|
|
my ($m, $p0, $r0) = ($i->action, $i->copyfrom_path,
|
|
$i->copyfrom_rev);
|
|
next unless (defined $p0 && defined $r0);
|
|
|
|
my $p1 = $_;
|
|
$p1 =~ s#^/##;
|
|
$p0 =~ s#^/##;
|
|
my $c = find_graft_path_commit($tree_paths, $p1, $rev);
|
|
next unless $c;
|
|
find_graft_path_parents($grafts, $tree_paths, $c, $p0, $r0);
|
|
}
|
|
}
|
|
|
|
sub set_index {
|
|
my $old = $ENV{GIT_INDEX_FILE};
|
|
$ENV{GIT_INDEX_FILE} = shift;
|
|
return $old;
|
|
}
|
|
|
|
sub restore_index {
|
|
my ($old) = @_;
|
|
if (defined $old) {
|
|
$ENV{GIT_INDEX_FILE} = $old;
|
|
} else {
|
|
delete $ENV{GIT_INDEX_FILE};
|
|
}
|
|
}
|
|
|
|
sub libsvn_commit_cb {
|
|
my ($rev, $date, $committer, $c, $msg, $r_last, $cmt_last) = @_;
|
|
if ($_optimize_commits && $rev == ($r_last + 1)) {
|
|
my $log = libsvn_log_entry($rev,$committer,$date,$msg);
|
|
$log->{tree} = get_tree_from_treeish($c);
|
|
my $cmt = git_commit($log, $cmt_last, $c);
|
|
my @diff = safe_qx('git-diff-tree', $cmt, $c);
|
|
if (@diff) {
|
|
print STDERR "Trees differ: $cmt $c\n",
|
|
join('',@diff),"\n";
|
|
exit 1;
|
|
}
|
|
} else {
|
|
fetch("$rev=$c");
|
|
}
|
|
}
|
|
|
|
sub libsvn_ls_fullurl {
|
|
my $fullurl = shift;
|
|
my ($repo, $path) = repo_path_split($fullurl);
|
|
$SVN ||= libsvn_connect($repo);
|
|
my @ret;
|
|
my $pool = SVN::Pool->new;
|
|
my ($dirent, undef, undef) = $SVN->get_dir($path,
|
|
$SVN->get_latest_revnum, $pool);
|
|
foreach my $d (keys %$dirent) {
|
|
if ($dirent->{$d}->kind == $SVN::Node::dir) {
|
|
push @ret, "$d/"; # add '/' for compat with cli svn
|
|
}
|
|
}
|
|
$pool->clear;
|
|
return @ret;
|
|
}
|
|
|
|
|
|
sub libsvn_skip_unknown_revs {
|
|
my $err = shift;
|
|
my $errno = $err->apr_err();
|
|
# Maybe the branch we're tracking didn't
|
|
# exist when the repo started, so it's
|
|
# not an error if it doesn't, just continue
|
|
#
|
|
# Wonderfully consistent library, eh?
|
|
# 160013 - svn:// and file://
|
|
# 175002 - http(s)://
|
|
# More codes may be discovered later...
|
|
if ($errno == 175002 || $errno == 160013) {
|
|
return;
|
|
}
|
|
croak "Error from SVN, ($errno): ", $err->expanded_message,"\n";
|
|
};
|
|
|
|
# Tie::File seems to be prone to offset errors if revisions get sparse,
|
|
# it's not that fast, either. Tie::File is also not in Perl 5.6. So
|
|
# one of my favorite modules is out :< Next up would be one of the DBM
|
|
# modules, but I'm not sure which is most portable... So I'll just
|
|
# go with something that's plain-text, but still capable of
|
|
# being randomly accessed. So here's my ultra-simple fixed-width
|
|
# database. All records are 40 characters + "\n", so it's easy to seek
|
|
# to a revision: (41 * rev) is the byte offset.
|
|
# A record of 40 0s denotes an empty revision.
|
|
# And yes, it's still pretty fast (faster than Tie::File).
|
|
sub revdb_set {
|
|
my ($file, $rev, $commit) = @_;
|
|
length $commit == 40 or croak "arg3 must be a full SHA1 hexsum\n";
|
|
open my $fh, '+<', $file or croak $!;
|
|
my $offset = $rev * 41;
|
|
# assume that append is the common case:
|
|
seek $fh, 0, 2 or croak $!;
|
|
my $pos = tell $fh;
|
|
if ($pos < $offset) {
|
|
print $fh (('0' x 40),"\n") x (($offset - $pos) / 41);
|
|
}
|
|
seek $fh, $offset, 0 or croak $!;
|
|
print $fh $commit,"\n";
|
|
close $fh or croak $!;
|
|
}
|
|
|
|
sub revdb_get {
|
|
my ($file, $rev) = @_;
|
|
my $ret;
|
|
my $offset = $rev * 41;
|
|
open my $fh, '<', $file or croak $!;
|
|
seek $fh, $offset, 0;
|
|
if (tell $fh == $offset) {
|
|
$ret = readline $fh;
|
|
if (defined $ret) {
|
|
chomp $ret;
|
|
$ret = undef if ($ret =~ /^0{40}$/);
|
|
}
|
|
}
|
|
close $fh or croak $!;
|
|
return $ret;
|
|
}
|
|
|
|
sub copy_remote_ref {
|
|
my $origin = $_cp_remote ? $_cp_remote : 'origin';
|
|
my $ref = "refs/remotes/$GIT_SVN";
|
|
if (safe_qx('git-ls-remote', $origin, $ref)) {
|
|
sys(qw/git fetch/, $origin, "$ref:$ref");
|
|
} else {
|
|
die "Unable to find remote reference: ",
|
|
"refs/remotes/$GIT_SVN on $origin\n";
|
|
}
|
|
}
|
|
|
|
package SVN::Git::Editor;
|
|
use vars qw/@ISA/;
|
|
use strict;
|
|
use warnings;
|
|
use Carp qw/croak/;
|
|
use IO::File;
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $git_svn = shift;
|
|
my $self = SVN::Delta::Editor->new(@_);
|
|
bless $self, $class;
|
|
foreach (qw/svn_path c r ra /) {
|
|
die "$_ required!\n" unless (defined $git_svn->{$_});
|
|
$self->{$_} = $git_svn->{$_};
|
|
}
|
|
$self->{pool} = SVN::Pool->new;
|
|
$self->{bat} = { '' => $self->open_root($self->{r}, $self->{pool}) };
|
|
$self->{rm} = { };
|
|
require Digest::MD5;
|
|
return $self;
|
|
}
|
|
|
|
sub split_path {
|
|
return ($_[0] =~ m#^(.*?)/?([^/]+)$#);
|
|
}
|
|
|
|
sub repo_path {
|
|
(defined $_[1] && length $_[1]) ? "$_[0]->{svn_path}/$_[1]"
|
|
: $_[0]->{svn_path}
|
|
}
|
|
|
|
sub url_path {
|
|
my ($self, $path) = @_;
|
|
$self->{ra}->{url} . '/' . $self->repo_path($path);
|
|
}
|
|
|
|
sub rmdirs {
|
|
my ($self, $q) = @_;
|
|
my $rm = $self->{rm};
|
|
delete $rm->{''}; # we never delete the url we're tracking
|
|
return unless %$rm;
|
|
|
|
foreach (keys %$rm) {
|
|
my @d = split m#/#, $_;
|
|
my $c = shift @d;
|
|
$rm->{$c} = 1;
|
|
while (@d) {
|
|
$c .= '/' . shift @d;
|
|
$rm->{$c} = 1;
|
|
}
|
|
}
|
|
delete $rm->{$self->{svn_path}};
|
|
delete $rm->{''}; # we never delete the url we're tracking
|
|
return unless %$rm;
|
|
|
|
defined(my $pid = open my $fh,'-|') or croak $!;
|
|
if (!$pid) {
|
|
exec qw/git-ls-tree --name-only -r -z/, $self->{c} or croak $!;
|
|
}
|
|
local $/ = "\0";
|
|
my @svn_path = split m#/#, $self->{svn_path};
|
|
while (<$fh>) {
|
|
chomp;
|
|
my @dn = (@svn_path, (split m#/#, $_));
|
|
while (pop @dn) {
|
|
delete $rm->{join '/', @dn};
|
|
}
|
|
unless (%$rm) {
|
|
close $fh;
|
|
return;
|
|
}
|
|
}
|
|
close $fh;
|
|
|
|
my ($r, $p, $bat) = ($self->{r}, $self->{pool}, $self->{bat});
|
|
foreach my $d (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$rm) {
|
|
$self->close_directory($bat->{$d}, $p);
|
|
my ($dn) = ($d =~ m#^(.*?)/?(?:[^/]+)$#);
|
|
print "\tD+\t/$d/\n" unless $q;
|
|
$self->SUPER::delete_entry($d, $r, $bat->{$dn}, $p);
|
|
delete $bat->{$d};
|
|
}
|
|
}
|
|
|
|
sub open_or_add_dir {
|
|
my ($self, $full_path, $baton) = @_;
|
|
my $p = SVN::Pool->new;
|
|
my $t = $self->{ra}->check_path($full_path, $self->{r}, $p);
|
|
$p->clear;
|
|
if ($t == $SVN::Node::none) {
|
|
return $self->add_directory($full_path, $baton,
|
|
undef, -1, $self->{pool});
|
|
} elsif ($t == $SVN::Node::dir) {
|
|
return $self->open_directory($full_path, $baton,
|
|
$self->{r}, $self->{pool});
|
|
}
|
|
print STDERR "$full_path already exists in repository at ",
|
|
"r$self->{r} and it is not a directory (",
|
|
($t == $SVN::Node::file ? 'file' : 'unknown'),"/$t)\n";
|
|
exit 1;
|
|
}
|
|
|
|
sub ensure_path {
|
|
my ($self, $path) = @_;
|
|
my $bat = $self->{bat};
|
|
$path = $self->repo_path($path);
|
|
return $bat->{''} unless (length $path);
|
|
my @p = split m#/+#, $path;
|
|
my $c = shift @p;
|
|
$bat->{$c} ||= $self->open_or_add_dir($c, $bat->{''});
|
|
while (@p) {
|
|
my $c0 = $c;
|
|
$c .= '/' . shift @p;
|
|
$bat->{$c} ||= $self->open_or_add_dir($c, $bat->{$c0});
|
|
}
|
|
return $bat->{$c};
|
|
}
|
|
|
|
sub A {
|
|
my ($self, $m, $q) = @_;
|
|
my ($dir, $file) = split_path($m->{file_b});
|
|
my $pbat = $self->ensure_path($dir);
|
|
my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
|
|
undef, -1);
|
|
print "\tA\t$m->{file_b}\n" unless $q;
|
|
$self->chg_file($fbat, $m);
|
|
$self->close_file($fbat,undef,$self->{pool});
|
|
}
|
|
|
|
sub C {
|
|
my ($self, $m, $q) = @_;
|
|
my ($dir, $file) = split_path($m->{file_b});
|
|
my $pbat = $self->ensure_path($dir);
|
|
my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
|
|
$self->url_path($m->{file_a}), $self->{r});
|
|
print "\tC\t$m->{file_a} => $m->{file_b}\n" unless $q;
|
|
$self->chg_file($fbat, $m);
|
|
$self->close_file($fbat,undef,$self->{pool});
|
|
}
|
|
|
|
sub delete_entry {
|
|
my ($self, $path, $pbat) = @_;
|
|
my $rpath = $self->repo_path($path);
|
|
my ($dir, $file) = split_path($rpath);
|
|
$self->{rm}->{$dir} = 1;
|
|
$self->SUPER::delete_entry($rpath, $self->{r}, $pbat, $self->{pool});
|
|
}
|
|
|
|
sub R {
|
|
my ($self, $m, $q) = @_;
|
|
my ($dir, $file) = split_path($m->{file_b});
|
|
my $pbat = $self->ensure_path($dir);
|
|
my $fbat = $self->add_file($self->repo_path($m->{file_b}), $pbat,
|
|
$self->url_path($m->{file_a}), $self->{r});
|
|
print "\tR\t$m->{file_a} => $m->{file_b}\n" unless $q;
|
|
$self->chg_file($fbat, $m);
|
|
$self->close_file($fbat,undef,$self->{pool});
|
|
|
|
($dir, $file) = split_path($m->{file_a});
|
|
$pbat = $self->ensure_path($dir);
|
|
$self->delete_entry($m->{file_a}, $pbat);
|
|
}
|
|
|
|
sub M {
|
|
my ($self, $m, $q) = @_;
|
|
my ($dir, $file) = split_path($m->{file_b});
|
|
my $pbat = $self->ensure_path($dir);
|
|
my $fbat = $self->open_file($self->repo_path($m->{file_b}),
|
|
$pbat,$self->{r},$self->{pool});
|
|
print "\t$m->{chg}\t$m->{file_b}\n" unless $q;
|
|
$self->chg_file($fbat, $m);
|
|
$self->close_file($fbat,undef,$self->{pool});
|
|
}
|
|
|
|
sub T { shift->M(@_) }
|
|
|
|
sub change_file_prop {
|
|
my ($self, $fbat, $pname, $pval) = @_;
|
|
$self->SUPER::change_file_prop($fbat, $pname, $pval, $self->{pool});
|
|
}
|
|
|
|
sub chg_file {
|
|
my ($self, $fbat, $m) = @_;
|
|
if ($m->{mode_b} =~ /755$/ && $m->{mode_a} !~ /755$/) {
|
|
$self->change_file_prop($fbat,'svn:executable','*');
|
|
} elsif ($m->{mode_b} !~ /755$/ && $m->{mode_a} =~ /755$/) {
|
|
$self->change_file_prop($fbat,'svn:executable',undef);
|
|
}
|
|
my $fh = IO::File->new_tmpfile or croak $!;
|
|
if ($m->{mode_b} =~ /^120/) {
|
|
print $fh 'link ' or croak $!;
|
|
$self->change_file_prop($fbat,'svn:special','*');
|
|
} elsif ($m->{mode_a} =~ /^120/ && $m->{mode_b} !~ /^120/) {
|
|
$self->change_file_prop($fbat,'svn:special',undef);
|
|
}
|
|
defined(my $pid = fork) or croak $!;
|
|
if (!$pid) {
|
|
open STDOUT, '>&', $fh or croak $!;
|
|
exec qw/git-cat-file blob/, $m->{sha1_b} or croak $!;
|
|
}
|
|
waitpid $pid, 0;
|
|
croak $? if $?;
|
|
$fh->flush == 0 or croak $!;
|
|
seek $fh, 0, 0 or croak $!;
|
|
|
|
my $md5 = Digest::MD5->new;
|
|
$md5->addfile($fh) or croak $!;
|
|
seek $fh, 0, 0 or croak $!;
|
|
|
|
my $exp = $md5->hexdigest;
|
|
my $atd = $self->apply_textdelta($fbat, undef, $self->{pool});
|
|
my $got = SVN::TxDelta::send_stream($fh, @$atd, $self->{pool});
|
|
die "Checksum mismatch\nexpected: $exp\ngot: $got\n" if ($got ne $exp);
|
|
|
|
close $fh or croak $!;
|
|
}
|
|
|
|
sub D {
|
|
my ($self, $m, $q) = @_;
|
|
my ($dir, $file) = split_path($m->{file_b});
|
|
my $pbat = $self->ensure_path($dir);
|
|
print "\tD\t$m->{file_b}\n" unless $q;
|
|
$self->delete_entry($m->{file_b}, $pbat);
|
|
}
|
|
|
|
sub close_edit {
|
|
my ($self) = @_;
|
|
my ($p,$bat) = ($self->{pool}, $self->{bat});
|
|
foreach (sort { $b =~ tr#/#/# <=> $a =~ tr#/#/# } keys %$bat) {
|
|
$self->close_directory($bat->{$_}, $p);
|
|
}
|
|
$self->SUPER::close_edit($p);
|
|
$p->clear;
|
|
}
|
|
|
|
sub abort_edit {
|
|
my ($self) = @_;
|
|
$self->SUPER::abort_edit($self->{pool});
|
|
$self->{pool}->clear;
|
|
}
|
|
|
|
__END__
|
|
|
|
Data structures:
|
|
|
|
$svn_log hashref (as returned by svn_log_raw)
|
|
{
|
|
fh => file handle of the log file,
|
|
state => state of the log file parser (sep/msg/rev/msg_start...)
|
|
}
|
|
|
|
$log_msg hashref as returned by next_log_entry($svn_log)
|
|
{
|
|
msg => 'whitespace-formatted log entry
|
|
', # trailing newline is preserved
|
|
revision => '8', # integer
|
|
date => '2004-02-24T17:01:44.108345Z', # commit date
|
|
author => 'committer name'
|
|
};
|
|
|
|
|
|
@mods = array of diff-index line hashes, each element represents one line
|
|
of diff-index output
|
|
|
|
diff-index line ($m hash)
|
|
{
|
|
mode_a => first column of diff-index output, no leading ':',
|
|
mode_b => second column of diff-index output,
|
|
sha1_b => sha1sum of the final blob,
|
|
chg => change type [MCRADT],
|
|
file_a => original file name of a file (iff chg is 'C' or 'R')
|
|
file_b => new/current file name of a file (any chg)
|
|
}
|
|
;
|
|
|
|
# retval of read_url_paths{,_all}();
|
|
$l_map = {
|
|
# repository root url
|
|
'https://svn.musicpd.org' => {
|
|
# repository path # GIT_SVN_ID
|
|
'mpd/trunk' => 'trunk',
|
|
'mpd/tags/0.11.5' => 'tags/0.11.5',
|
|
},
|
|
}
|
|
|
|
Notes:
|
|
I don't trust the each() function on unless I created %hash myself
|
|
because the internal iterator may not have started at base.
|