зеркало из https://github.com/microsoft/git.git
Merge branch 'aw/cvs'
* aw/cvs: cvsimport: add <remote>/HEAD reference in separate remotes more cvsimport: update documentation to include separate remotes option cvsimport: add support for new style remote layout
This commit is contained in:
Junio C Hamano
Коммит
9bfe9f80b1
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@ -13,7 +13,7 @@ SYNOPSIS
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[-A <author-conv-file>] [-p <options-for-cvsps>] [-P <file>]
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[-C <git_repository>] [-z <fuzz>] [-i] [-k] [-u] [-s <subst>]
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[-a] [-m] [-M <regex>] [-S <regex>] [-L <commitlimit>]
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[<CVS_module>]
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[-r <remote>] [<CVS_module>]
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DESCRIPTION
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@ -25,10 +25,12 @@ Splitting the CVS log into patch sets is done by 'cvsps'.
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At least version 2.1 is required.
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You should *never* do any work of your own on the branches that are
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created by git-cvsimport. The initial import will create and populate a
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created by git-cvsimport. By default initial import will create and populate a
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"master" branch from the CVS repository's main branch which you're free
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to work with; after that, you need to 'git merge' incremental imports, or
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any CVS branches, yourself.
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any CVS branches, yourself. It is advisable to specify a named remote via
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-r to separate and protect the incoming branches.
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OPTIONS
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-------
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@ -51,10 +53,19 @@ OPTIONS
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The git repository to import to. If the directory doesn't
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exist, it will be created. Default is the current directory.
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-r <remote>::
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The git remote to import this CVS repository into.
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Moves all CVS branches into remotes/<remote>/<branch>
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akin to the git-clone --use-separate-remote option.
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-o <branch-for-HEAD>::
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The 'HEAD' branch from CVS is imported to the 'origin' branch within
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the git repository, as 'HEAD' already has a special meaning for git.
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Use this option if you want to import into a different branch.
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When no remote is specified (via -r) the 'HEAD' branch
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from CVS is imported to the 'origin' branch within the git
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repository, as 'HEAD' already has a special meaning for git.
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When a remote is specified the 'HEAD' branch is named
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remotes/<remote>/master mirroring git-clone behaviour.
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Use this option if you want to import into a different
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branch.
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+
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Use '-o master' for continuing an import that was initially done by
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the old cvs2git tool.
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@ -29,7 +29,7 @@ use IPC::Open2;
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$SIG{'PIPE'}="IGNORE";
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$ENV{'TZ'}="UTC";
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our ($opt_h,$opt_o,$opt_v,$opt_k,$opt_u,$opt_d,$opt_p,$opt_C,$opt_z,$opt_i,$opt_P, $opt_s,$opt_m,$opt_M,$opt_A,$opt_S,$opt_L, $opt_a);
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our ($opt_h,$opt_o,$opt_v,$opt_k,$opt_u,$opt_d,$opt_p,$opt_C,$opt_z,$opt_i,$opt_P, $opt_s,$opt_m,$opt_M,$opt_A,$opt_S,$opt_L, $opt_a, $opt_r);
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my (%conv_author_name, %conv_author_email);
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sub usage(;$) {
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@ -40,7 +40,7 @@ Usage: ${\basename $0} # fetch/update GIT from CVS
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[-o branch-for-HEAD] [-h] [-v] [-d CVSROOT] [-A author-conv-file]
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[-p opts-for-cvsps] [-P file] [-C GIT_repository] [-z fuzz] [-i] [-k]
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[-u] [-s subst] [-a] [-m] [-M regex] [-S regex] [-L commitlimit]
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[CVS_module]
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[-r remote] [CVS_module]
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END
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exit(1);
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}
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@ -114,7 +114,7 @@ sub read_repo_config {
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}
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}
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my $opts = "haivmkuo:d:p:C:z:s:M:P:A:S:L:";
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my $opts = "haivmkuo:d:p:r:C:z:s:M:P:A:S:L:";
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read_repo_config($opts);
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getopts($opts) or usage();
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usage if $opt_h;
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@ -134,13 +134,21 @@ if ($opt_d) {
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} else {
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usage("CVSROOT needs to be set");
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}
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$opt_o ||= "origin";
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$opt_s ||= "-";
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$opt_a ||= 0;
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my $git_tree = $opt_C;
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$git_tree ||= ".";
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my $remote;
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if (defined $opt_r) {
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$remote = 'refs/remotes/' . $opt_r;
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$opt_o ||= "master";
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} else {
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$opt_o ||= "origin";
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$remote = 'refs/heads';
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}
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my $cvs_tree;
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if ($#ARGV == 0) {
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$cvs_tree = $ARGV[0];
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@ -522,7 +530,7 @@ sub get_headref ($$) {
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my $name = shift;
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my $git_dir = shift;
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my $f = "$git_dir/refs/heads/$name";
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my $f = "$git_dir/$remote/$name";
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if (open(my $fh, $f)) {
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chomp(my $r = <$fh>);
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is_sha1($r) or die "Cannot get head id for $name ($r): $!";
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@ -573,12 +581,12 @@ unless (-d $git_dir) {
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# Get the last import timestamps
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my $fmt = '($ref, $author) = (%(refname), %(author));';
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open(H, "git-for-each-ref --perl --format='$fmt' refs/heads |") or
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open(H, "git-for-each-ref --perl --format='$fmt' $remote |") or
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die "Cannot run git-for-each-ref: $!\n";
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while (defined(my $entry = <H>)) {
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my ($ref, $author);
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eval($entry) || die "cannot eval refs list: $@";
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my ($head) = ($ref =~ m|^refs/heads/(.*)|);
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my ($head) = ($ref =~ m|^$remote/(.*)|);
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$author =~ /^.*\s(\d+)\s[-+]\d{4}$/;
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$branch_date{$head} = $1;
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}
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@ -701,9 +709,9 @@ sub commit {
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$index{$branch} = tmpnam();
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$ENV{GIT_INDEX_FILE} = $index{$branch};
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if ($ancestor) {
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system("git-read-tree", $ancestor);
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system("git-read-tree", "$remote/$ancestor");
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} else {
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system("git-read-tree", $branch);
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system("git-read-tree", "$remote/$branch");
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}
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die "read-tree failed: $?\n" if $?;
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}
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@ -762,7 +770,7 @@ sub commit {
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waitpid($pid,0);
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die "Error running git-commit-tree: $?\n" if $?;
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system("git-update-ref refs/heads/$branch $cid") == 0
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system("git-update-ref $remote/$branch $cid") == 0
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or die "Cannot write branch $branch for update: $!\n";
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if ($tag) {
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@ -861,12 +869,12 @@ while (<CVS>) {
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print STDERR "Branch $branch erroneously stems from itself -- changed ancestor to $opt_o\n";
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$ancestor = $opt_o;
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}
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if (-f "$git_dir/refs/heads/$branch") {
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if (-f "$git_dir/$remote/$branch") {
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print STDERR "Branch $branch already exists!\n";
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$state=11;
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next;
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}
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unless (open(H,"$git_dir/refs/heads/$ancestor")) {
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unless (open(H,"$git_dir/$remote/$ancestor")) {
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print STDERR "Branch $ancestor does not exist!\n";
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$ignorebranch{$branch} = 1;
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$state=11;
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@ -874,7 +882,7 @@ while (<CVS>) {
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}
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chomp(my $id = <H>);
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close(H);
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unless (open(H,"> $git_dir/refs/heads/$branch")) {
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unless (open(H,"> $git_dir/$remote/$branch")) {
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print STDERR "Could not create branch $branch: $!\n";
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$ignorebranch{$branch} = 1;
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$state=11;
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@ -988,14 +996,16 @@ if ($orig_branch) {
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die "Fast-forward update failed: $?\n" if $?;
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}
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else {
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system(qw(git-merge cvsimport HEAD), "refs/heads/$opt_o");
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system(qw(git-merge cvsimport HEAD), "$remote/$opt_o");
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die "Could not merge $opt_o into the current branch.\n" if $?;
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}
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} else {
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$orig_branch = "master";
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print "DONE; creating $orig_branch branch\n" if $opt_v;
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system("git-update-ref", "refs/heads/master", "refs/heads/$opt_o")
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system("git-update-ref", "refs/heads/master", "$remote/$opt_o")
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unless -f "$git_dir/refs/heads/master";
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system("git-symbolic-ref", "$remote/HEAD", "$remote/$opt_o")
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if ($opt_r && $opt_o ne 'HEAD');
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system('git-update-ref', 'HEAD', "$orig_branch");
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unless ($opt_i) {
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system('git checkout');
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