зеркало из https://github.com/microsoft/git.git
archimport: add -D <depth> and -a switch
add -D <depth> option to abrowse add -a switch to attempt to auto-register archives at mirrors.sourcecontrol.net (ML: Also removes some std libraries no longer in use) Signed-off-by: Eric Wong <normalperson@yhbt.net> Signed-off-by: Martin Langhoff <martin@catalyst.net.nz>
This commit is contained in:
Eric Wong
Martin Langhoff
Родитель
1136fb5284
Коммит
42f44b08bc
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@ -53,14 +53,9 @@ and can contain multiple, unrelated branches.
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use strict;
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use warnings;
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use Getopt::Std;
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use File::Spec;
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use File::Temp qw(tempfile tempdir);
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use File::Temp qw(tempdir);
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use File::Path qw(mkpath rmtree);
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use File::Basename qw(basename dirname);
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use Time::Local;
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use IO::Socket;
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use IO::Pipe;
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use POSIX qw(strftime dup2);
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use Data::Dumper qw/ Dumper /;
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use IPC::Open2;
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@ -71,27 +66,33 @@ my $git_dir = $ENV{"GIT_DIR"} || ".git";
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$ENV{"GIT_DIR"} = $git_dir;
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my $ptag_dir = "$git_dir/archimport/tags";
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our($opt_h,$opt_v, $opt_T,$opt_t,$opt_o);
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our($opt_h,$opt_v,$opt_T,$opt_t,$opt_D,$opt_a,$opt_o);
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sub usage() {
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print STDERR <<END;
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Usage: ${\basename $0} # fetch/update GIT from Arch
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[ -o ] [ -h ] [ -v ] [ -T ] [ -t tempdir ]
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[ -o ] [ -h ] [ -v ] [ -T ] [ -a ] [ -D depth ] [ -t tempdir ]
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repository/arch-branch [ repository/arch-branch] ...
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END
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exit(1);
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}
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getopts("Thvt:") or usage();
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getopts("Thvat:D:") or usage();
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usage if $opt_h;
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@ARGV >= 1 or usage();
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my @arch_roots = @ARGV;
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# $arch_branches:
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# values associated with keys:
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# =1 - Arch version / git 'branch' detected via abrowse on a limit
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# >1 - Arch version / git 'branch' of an auxilliary branch we've merged
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my %arch_branches = map { $_ => 1 } @ARGV;
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$ENV{'TMPDIR'} = $opt_t if $opt_t; # $ENV{TMPDIR} will affect tempdir() calls:
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my $tmp = tempdir('git-archimport-XXXXXX', TMPDIR => 1, CLEANUP => 1);
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$opt_v && print "+ Using $tmp as temporary directory\n";
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my %reachable = (); # Arch repositories we can access
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my %unreachable = (); # Arch repositories we can't access :<
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my @psets = (); # the collection
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my %psets = (); # the collection, by name
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@ -99,96 +100,112 @@ my %rptags = (); # my reverse private tags
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# to map a SHA1 to a commitid
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my $TLA = $ENV{'ARCH_CLIENT'} || 'tla';
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foreach my $root (@arch_roots) {
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my ($arepo, $abranch) = split(m!/!, $root);
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open ABROWSE, "tla abrowse -f -A $arepo --desc --merges $abranch |"
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or die "Problems with tla abrowse: $!";
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my %ps = (); # the current one
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my $mode = '';
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my $lastseen = '';
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while (<ABROWSE>) {
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chomp;
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sub do_abrowse {
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my $stage = shift;
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while (my ($limit, $level) = each %arch_branches) {
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next unless $level == $stage;
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# first record padded w 8 spaces
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if (s/^\s{8}\b//) {
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open ABROWSE, "$TLA abrowse -fkD --merges $limit |"
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or die "Problems with tla abrowse: $!";
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my %ps = (); # the current one
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my $lastseen = '';
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while (<ABROWSE>) {
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chomp;
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# store the record we just captured
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if (%ps) {
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my %temp = %ps; # break references
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push (@psets, \%temp);
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$psets{$temp{id}} = \%temp;
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%ps = ();
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}
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my ($id, $type) = split(m/\s{3}/, $_);
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$ps{id} = $id;
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$ps{repo} = $arepo;
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# first record padded w 8 spaces
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if (s/^\s{8}\b//) {
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my ($id, $type) = split(m/\s+/, $_, 2);
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# deal with types
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if ($type =~ m/^\(simple changeset\)/) {
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$ps{type} = 's';
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} elsif ($type eq '(initial import)') {
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$ps{type} = 'i';
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} elsif ($type =~ m/^\(tag revision of (.+)\)/) {
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$ps{type} = 't';
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$ps{tag} = $1;
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} else {
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warn "Unknown type $type";
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}
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$lastseen = 'id';
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}
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if (s/^\s{10}//) {
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# 10 leading spaces or more
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# indicate commit metadata
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# date & author
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if ($lastseen eq 'id' && m/^\d{4}-\d{2}-\d{2}/) {
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my ($date, $authoremail) = split(m/\s{2,}/, $_);
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$ps{date} = $date;
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$ps{date} =~ s/\bGMT$//; # strip off trailign GMT
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if ($ps{date} =~ m/\b\w+$/) {
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warn 'Arch dates not in GMT?! - imported dates will be wrong';
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my %last_ps;
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# store the record we just captured
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if (%ps && !exists $psets{ $ps{id} }) {
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%last_ps = %ps; # break references
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push (@psets, \%last_ps);
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$psets{ $last_ps{id} } = \%last_ps;
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}
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$authoremail =~ m/^(.+)\s(\S+)$/;
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$ps{author} = $1;
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$ps{email} = $2;
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$lastseen = 'date';
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} elsif ($lastseen eq 'date') {
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# the only hint is position
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# subject is after date
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$ps{subj} = $_;
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$lastseen = 'subj';
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} elsif ($lastseen eq 'subj' && $_ eq 'merges in:') {
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$ps{merges} = [];
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$lastseen = 'merges';
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} elsif ($lastseen eq 'merges' && s/^\s{2}//) {
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push (@{$ps{merges}}, $_);
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} else {
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warn 'more metadata after merges!?';
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}
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}
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}
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my $branch = extract_versionname($id);
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%ps = ( id => $id, branch => $branch );
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if (%last_ps && ($last_ps{branch} eq $branch)) {
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$ps{parent_id} = $last_ps{id};
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}
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$arch_branches{$branch} = 1;
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$lastseen = 'id';
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if (%ps) {
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my %temp = %ps; # break references
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push (@psets, \%temp);
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$psets{ $temp{id} } = \%temp;
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%ps = ();
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}
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close ABROWSE;
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# deal with types (should work with baz or tla):
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if ($type =~ m/\(.*changeset\)/) {
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$ps{type} = 's';
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} elsif ($type =~ /\(.*import\)/) {
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$ps{type} = 'i';
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} elsif ($type =~ m/\(tag.*\)/) {
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$ps{type} = 't';
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# read which revision we've tagged when we parse the log
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#$ps{tag} = $1;
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} else {
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warn "Unknown type $type";
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}
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$arch_branches{$branch} = 1;
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$lastseen = 'id';
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} elsif (s/^\s{10}//) {
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# 10 leading spaces or more
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# indicate commit metadata
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# date
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if ($lastseen eq 'id' && m/^(\d{4}-\d\d-\d\d \d\d:\d\d:\d\d)/){
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$ps{date} = $1;
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$lastseen = 'date';
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} elsif ($_ eq 'merges in:') {
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$ps{merges} = [];
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$lastseen = 'merges';
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} elsif ($lastseen eq 'merges' && s/^\s{2}//) {
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my $id = $_;
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push (@{$ps{merges}}, $id);
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# aggressive branch finding:
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if ($opt_D) {
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my $branch = extract_versionname($id);
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my $repo = extract_reponame($branch);
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if (archive_reachable($repo) &&
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!defined $arch_branches{$branch}) {
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$arch_branches{$branch} = $stage + 1;
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}
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}
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} else {
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warn "more metadata after merges!?: $_\n" unless /^\s*$/;
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}
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}
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}
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if (%ps && !exists $psets{ $ps{id} }) {
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my %temp = %ps; # break references
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if (@psets && $psets[$#psets]{branch} eq $ps{branch}) {
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$temp{parent_id} = $psets[$#psets]{id};
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}
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push (@psets, \%temp);
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$psets{ $temp{id} } = \%temp;
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}
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close ABROWSE or die "$TLA abrowse failed on $limit\n";
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}
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} # end foreach $root
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do_abrowse(1);
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my $depth = 2;
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$opt_D ||= 0;
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while ($depth <= $opt_D) {
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do_abrowse($depth);
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$depth++;
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}
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## Order patches by time
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# FIXME see if we can find a more optimal way to do this by graphing
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# the ancestry data and walking it, that way we won't have to rely on
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# client-supplied dates
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@psets = sort {$a->{date}.$b->{id} cmp $b->{date}.$b->{id}} @psets;
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#print Dumper \@psets;
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@ -209,7 +226,7 @@ unless (-d $git_dir) { # initial import
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}
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} else { # progressing an import
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# load the rptags
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opendir(DIR, "$git_dir/archimport/tags")
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opendir(DIR, $ptag_dir)
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|| die "can't opendir: $!";
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while (my $file = readdir(DIR)) {
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# skip non-interesting-files
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@ -829,6 +846,7 @@ sub find_parents {
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}
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}
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}
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@parents = ();
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foreach (keys %parents) {
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push @parents, '-p', ptag($_);
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@ -856,6 +874,7 @@ sub commitid2pset {
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return $ps;
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}
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# an alterative to `command` that allows input to be passed as an array
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# to work around shell problems with weird characters in arguments
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sub safe_pipe_capture {
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@ -869,4 +888,30 @@ sub safe_pipe_capture {
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return wantarray ? @output : join('',@output);
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}
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# `tla logs -rf -d <dir> | head -n1` or `baz tree-id <dir>`
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sub arch_tree_id {
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my $dir = shift;
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chomp( my $ret = (safe_pipe_capture($TLA,'logs','-rf','-d',$dir))[0] );
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return $ret;
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}
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sub archive_reachable {
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my $archive = shift;
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return 1 if $reachable{$archive};
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return 0 if $unreachable{$archive};
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if (system "$TLA whereis-archive $archive >/dev/null") {
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if ($opt_a && (system($TLA,'register-archive',
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"http://mirrors.sourcecontrol.net/$archive") == 0)) {
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$reachable{$archive} = 1;
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return 1;
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}
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print STDERR "Archive is unreachable: $archive\n";
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$unreachable{$archive} = 1;
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return 0;
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} else {
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$reachable{$archive} = 1;
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return 1;
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}
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}
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