mirror of
https://github.com/git/git.git
synced 2024-11-16 14:04:52 +01:00
d63ea11594
There is a bug with this $git_mode variable which should be 0644 or 0755, but nothing else I think. Signed-off-by: Michael Loeffler <zvpunry@zvpunry.de> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
103 lines
2.5 KiB
Perl
Executable file
103 lines
2.5 KiB
Perl
Executable file
#!/usr/bin/perl
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## tar archive frontend for git-fast-import
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##
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## For example:
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##
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## mkdir project; cd project; git init
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## perl import-tars.perl *.tar.bz2
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## git whatchanged import-tars
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##
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use strict;
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die "usage: import-tars *.tar.{gz,bz2,Z}\n" unless @ARGV;
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my $branch_name = 'import-tars';
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my $branch_ref = "refs/heads/$branch_name";
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my $committer_name = 'T Ar Creator';
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my $committer_email = 'tar@example.com';
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open(FI, '|-', 'git', 'fast-import', '--quiet')
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or die "Unable to start git fast-import: $!\n";
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foreach my $tar_file (@ARGV)
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{
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$tar_file =~ m,([^/]+)$,;
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my $tar_name = $1;
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if ($tar_name =~ s/\.(tar\.gz|tgz)$//) {
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open(I, '-|', 'gzcat', $tar_file) or die "Unable to gzcat $tar_file: $!\n";
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} elsif ($tar_name =~ s/\.(tar\.bz2|tbz2)$//) {
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open(I, '-|', 'bzcat', $tar_file) or die "Unable to bzcat $tar_file: $!\n";
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} elsif ($tar_name =~ s/\.tar\.Z$//) {
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open(I, '-|', 'zcat', $tar_file) or die "Unable to zcat $tar_file: $!\n";
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} elsif ($tar_name =~ s/\.tar$//) {
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open(I, $tar_file) or die "Unable to open $tar_file: $!\n";
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} else {
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die "Unrecognized compression format: $tar_file\n";
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}
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my $commit_time = 0;
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my $next_mark = 1;
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my $have_top_dir = 1;
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my ($top_dir, %files);
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while (read(I, $_, 512) == 512) {
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my ($name, $mode, $uid, $gid, $size, $mtime,
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$chksum, $typeflag, $linkname, $magic,
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$version, $uname, $gname, $devmajor, $devminor,
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$prefix) = unpack 'Z100 Z8 Z8 Z8 Z12 Z12
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Z8 Z1 Z100 Z6
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Z2 Z32 Z32 Z8 Z8 Z*', $_;
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last unless $name;
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$mode = oct $mode;
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$size = oct $size;
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$mtime = oct $mtime;
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next if $mode & 0040000;
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print FI "blob\n", "mark :$next_mark\n", "data $size\n";
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while ($size > 0 && read(I, $_, 512) == 512) {
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print FI substr($_, 0, $size);
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$size -= 512;
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}
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print FI "\n";
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my $path = "$prefix$name";
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$files{$path} = [$next_mark++, $mode];
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$commit_time = $mtime if $mtime > $commit_time;
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$path =~ m,^([^/]+)/,;
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$top_dir = $1 unless $top_dir;
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$have_top_dir = 0 if $top_dir ne $1;
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}
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print FI <<EOF;
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commit $branch_ref
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committer $committer_name <$committer_email> $commit_time +0000
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data <<END_OF_COMMIT_MESSAGE
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Imported from $tar_file.
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END_OF_COMMIT_MESSAGE
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deleteall
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EOF
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foreach my $path (keys %files)
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{
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my ($mark, $mode) = @{$files{$path}};
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$path =~ s,^([^/]+)/,, if $have_top_dir;
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printf FI "M %o :%i %s\n", $mode & 0111 ? 0755 : 0644, $mark, $path;
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}
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print FI "\n";
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print FI <<EOF;
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tag $tar_name
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from $branch_ref
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tagger $committer_name <$committer_email> $commit_time +0000
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data <<END_OF_TAG_MESSAGE
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Package $tar_name
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END_OF_TAG_MESSAGE
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EOF
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close I;
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}
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close FI;
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