37 lines
905 B
Perl
37 lines
905 B
Perl
#!/usr/bin/perl
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# given a perforce change number, output the equivalent git commit id
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# with -c, checks out the specified commit
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die "usage: $0 [-c|--checkout] [git-log-options] changenum" unless @ARGV;
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my $num = 1;
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my $checkout = 0;
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my $before = '--before=2008-12-18'; # only changes made under perforce
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for (@ARGV) {
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m{^\d+$} && (($change,$_) = ($_,undef));
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m{^-\d+$} && (($num,$_) = (-$_,undef));
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$_ eq '-c' || $_ eq '--checkout'
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and $checkout = 1;
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}
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my $grep = "--grep=^p4raw-id:.*\@$change\$";
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@ARGV = grep { defined } @ARGV;
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if ($checkout) {
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my $commit = qx(git rev-list -1 --all $before '$grep');
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chomp $commit;
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die "no commit found" unless $commit;
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system(git => checkout => $commit);
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}
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else {
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if ( -t STDOUT or @ARGV ) {
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system(qw(git log), $grep, "-$num", "--all", $before, @ARGV);
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}
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else {
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system(qw(git rev-list -1 --all), $before, $grep);
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}
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}
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