FM / git-core

/usr/libexec/git-core

Name	Size	Mode	Actions
git	1139544	0755	edit dl rm
git-add	1139544	0755	edit dl rm
git-add--interactive	35716	0755	edit dl rm
git-am	19036	0755	edit dl rm
git-annotate	1139544	0755	edit dl rm
git-apply	1139544	0755	edit dl rm
git-archive	1139544	0755	edit dl rm
git-bisect	10021	0755	edit dl rm
git-bisect--helper	1139544	0755	edit dl rm
git-blame	1139544	0755	edit dl rm
git-branch	1139544	0755	edit dl rm
git-bundle	1139544	0755	edit dl rm
git-cat-file	1139544	0755	edit dl rm
git-check-attr	1139544	0755	edit dl rm
git-check-ref-format	1139544	0755	edit dl rm
git-checkout	1139544	0755	edit dl rm
git-checkout-index	1139544	0755	edit dl rm
git-cherry	1139544	0755	edit dl rm
git-cherry-pick	1139544	0755	edit dl rm
git-clean	1139544	0755	edit dl rm
git-clone	1139544	0755	edit dl rm
git-commit	1139544	0755	edit dl rm
git-commit-tree	1139544	0755	edit dl rm
git-config	1139544	0755	edit dl rm
git-count-objects	1139544	0755	edit dl rm
git-describe	1139544	0755	edit dl rm
git-diff	1139544	0755	edit dl rm
git-diff-files	1139544	0755	edit dl rm
git-diff-index	1139544	0755	edit dl rm
git-diff-tree	1139544	0755	edit dl rm
git-difftool	2696	0755	edit dl rm
git-difftool--helper	1745	0755	edit dl rm
git-fast-export	1139544	0755	edit dl rm
git-fast-import	501632	0755	edit dl rm
git-fetch	1139544	0755	edit dl rm
git-fetch-pack	1139544	0755	edit dl rm
git-filter-branch	12172	0755	edit dl rm
git-fmt-merge-msg	1139544	0755	edit dl rm
git-for-each-ref	1139544	0755	edit dl rm
git-format-patch	1139544	0755	edit dl rm
git-fsck	1139544	0755	edit dl rm
git-fsck-objects	1139544	0755	edit dl rm
git-gc	1139544	0755	edit dl rm
git-get-tar-commit-id	1139544	0755	edit dl rm
git-grep	1139544	0755	edit dl rm
git-hash-object	1139544	0755	edit dl rm
git-help	1139544	0755	edit dl rm
git-http-backend	469088	0755	edit dl rm
git-http-fetch	490432	0755	edit dl rm
git-http-push	506560	0755	edit dl rm
git-imap-send	486656	0755	edit dl rm
git-index-pack	1139544	0755	edit dl rm
git-init	1139544	0755	edit dl rm
git-init-db	1139544	0755	edit dl rm
git-instaweb	248389	0755	edit dl rm
git-log	1139544	0755	edit dl rm
git-lost-found	554	0755	edit dl rm
git-ls-files	1139544	0755	edit dl rm
git-ls-remote	1139544	0755	edit dl rm
git-ls-tree	1139544	0755	edit dl rm
git-mailinfo	1139544	0755	edit dl rm
git-mailsplit	1139544	0755	edit dl rm
git-merge	1139544	0755	edit dl rm
git-merge-base	1139544	0755	edit dl rm
git-merge-file	1139544	0755	edit dl rm
git-merge-index	1139544	0755	edit dl rm
git-merge-octopus	2068	0755	edit dl rm
git-merge-one-file	3814	0755	edit dl rm
git-merge-ours	1139544	0755	edit dl rm
git-merge-recursive	1139544	0755	edit dl rm
git-merge-resolve	944	0755	edit dl rm
git-merge-subtree	1139544	0755	edit dl rm
git-merge-tree	1139544	0755	edit dl rm
git-mergetool	6099	0755	edit dl rm
git-mergetool--lib	9006	0644	edit dl rm
git-mktag	1139544	0755	edit dl rm
git-mktree	1139544	0755	edit dl rm
git-mv	1139544	0755	edit dl rm
git-name-rev	1139544	0755	edit dl rm
git-notes	1139544	0755	edit dl rm
git-pack-objects	1139544	0755	edit dl rm
git-pack-redundant	1139544	0755	edit dl rm
git-pack-refs	1139544	0755	edit dl rm
git-parse-remote	1941	0644	edit dl rm
git-patch-id	1139544	0755	edit dl rm
git-peek-remote	1139544	0755	edit dl rm
git-prune	1139544	0755	edit dl rm
git-prune-packed	1139544	0755	edit dl rm
git-pull	8027	0755	edit dl rm
git-push	1139544	0755	edit dl rm
git-quiltimport	3348	0755	edit dl rm
git-read-tree	1139544	0755	edit dl rm
git-rebase	14646	0755	edit dl rm
git-rebase--interactive	24915	0755	edit dl rm
git-receive-pack	1139544	0755	edit dl rm
git-reflog	1139544	0755	edit dl rm
git-relink	4201	0755	edit dl rm
git-remote	1139544	0755	edit dl rm
git-remote-ftp	499168	0755	edit dl rm
git-remote-ftps	499168	0755	edit dl rm
git-remote-http	499168	0755	edit dl rm
git-remote-https	499168	0755	edit dl rm
git-repack	4492	0755	edit dl rm
git-replace	1139544	0755	edit dl rm
git-repo-config	1139544	0755	edit dl rm
git-request-pull	1592	0755	edit dl rm
git-rerere	1139544	0755	edit dl rm
git-reset	1139544	0755	edit dl rm
git-rev-list	1139544	0755	edit dl rm
git-rev-parse	1139544	0755	edit dl rm
git-revert	1139544	0755	edit dl rm
git-rm	1139544	0755	edit dl rm
git-send-pack	1139544	0755	edit dl rm
git-sh-setup	4013	0644	edit dl rm
git-shell	461304	0755	edit dl rm
git-shortlog	1139544	0755	edit dl rm
git-show	1139544	0755	edit dl rm
git-show-branch	1139544	0755	edit dl rm
git-show-index	10872	0755	edit dl rm
git-show-ref	1139544	0755	edit dl rm
git-stage	1139544	0755	edit dl rm
git-stash	8838	0755	edit dl rm
git-status	1139544	0755	edit dl rm
git-stripspace	1139544	0755	edit dl rm
git-submodule	17784	0755	edit dl rm
git-symbolic-ref	1139544	0755	edit dl rm
git-tag	1139544	0755	edit dl rm
git-tar-tree	1139544	0755	edit dl rm
git-unpack-file	1139544	0755	edit dl rm
git-unpack-objects	1139544	0755	edit dl rm
git-update-index	1139544	0755	edit dl rm
git-update-ref	1139544	0755	edit dl rm
git-update-server-info	1139544	0755	edit dl rm
git-upload-archive	1139544	0755	edit dl rm
git-upload-pack	471216	0755	edit dl rm
git-var	1139544	0755	edit dl rm
git-verify-pack	1139544	0755	edit dl rm
git-verify-tag	1139544	0755	edit dl rm
git-web--browse	3961	0755	edit dl rm
git-whatchanged	1139544	0755	edit dl rm
git-write-tree	1139544	0755	edit dl rm

Edit: /usr/libexec/git-core/git-relink (4201B)

#!/usr/bin/perl
use lib (split(/:/, $ENV{GITPERLLIB} || "/usr/share/perl5"));
# Copyright 2005, Ryan Anderson <ryan@michonline.com>
# Distribution permitted under the GPL v2, as distributed
# by the Free Software Foundation.
# Later versions of the GPL at the discretion of Linus Torvalds
#
# Scan two git object-trees, and hardlink any common objects between them.

use 5.006;
use strict;
use warnings;
use Getopt::Long;

sub get_canonical_form($);
sub do_scan_directory($$$);
sub compare_two_files($$);
sub usage();
sub link_two_files($$);

# stats
my $total_linked = 0;
my $total_already = 0;
my ($linked,$already);

my $fail_on_different_sizes = 0;
my $help = 0;
GetOptions("safe" => \$fail_on_different_sizes,
	   "help" => \$help);

usage() if $help;

my (@dirs) = @ARGV;

usage() if (!defined $dirs[0] || !defined $dirs[1]);

$_ = get_canonical_form($_) foreach (@dirs);

my $master_dir = pop @dirs;

opendir(D,$master_dir . "objects/")
	or die "Failed to open $master_dir/objects/ : $!";

my @hashdirs = grep { ($_ eq 'pack') || /^[0-9a-f]{2}$/ } readdir(D);

foreach my $repo (@dirs) {
	$linked = 0;
	$already = 0;
	printf("Searching '%s' and '%s' for common objects and hardlinking them...\n",
		$master_dir,$repo);

foreach my $hashdir (@hashdirs) {
		do_scan_directory($master_dir, $hashdir, $repo);
	}

printf("Linked %d files, %d were already linked.\n",$linked, $already);

$total_linked += $linked;
	$total_already += $already;
}

printf("Totals: Linked %d files, %d were already linked.\n",
	$total_linked, $total_already);

sub do_scan_directory($$$) {
	my ($srcdir, $subdir, $dstdir) = @_;

my $sfulldir = sprintf("%sobjects/%s/",$srcdir,$subdir);
	my $dfulldir = sprintf("%sobjects/%s/",$dstdir,$subdir);

opendir(S,$sfulldir)
		or die "Failed to opendir $sfulldir: $!";

foreach my $file (grep(!/\.{1,2}$/, readdir(S))) {
		my $sfilename = $sfulldir . $file;
		my $dfilename = $dfulldir . $file;

compare_two_files($sfilename,$dfilename);

}
	closedir(S);
}

sub compare_two_files($$) {
	my ($sfilename, $dfilename) = @_;

# Perl's stat returns relevant information as follows:
	# 0 = dev number
	# 1 = inode number
	# 7 = size
	my @sstatinfo = stat($sfilename);
	my @dstatinfo = stat($dfilename);

if (@sstatinfo == 0 && @dstatinfo == 0) {
		die sprintf("Stat of both %s and %s failed: %s\n",$sfilename, $dfilename, $!);

} elsif (@dstatinfo == 0) {
		return;
	}

if ( ($sstatinfo[0] == $dstatinfo[0]) &&
	     ($sstatinfo[1] != $dstatinfo[1])) {
		if ($sstatinfo[7] == $dstatinfo[7]) {
			link_two_files($sfilename, $dfilename);

} else {
			my $err = sprintf("ERROR: File sizes are not the same, cannot relink %s to %s.\n",
				$sfilename, $dfilename);
			if ($fail_on_different_sizes) {
				die $err;
			} else {
				warn $err;
			}
		}

} elsif ( ($sstatinfo[0] == $dstatinfo[0]) &&
	     ($sstatinfo[1] == $dstatinfo[1])) {
		$already++;
	}
}

sub get_canonical_form($) {
	my $dir = shift;
	my $original = $dir;

die "$dir is not a directory." unless -d $dir;

$dir .= "/" unless $dir =~ m#/$#;
	$dir .= ".git/" unless $dir =~ m#\.git/$#;

die "$original does not have a .git/ subdirectory.\n" unless -d $dir;

return $dir;
}

sub link_two_files($$) {
	my ($sfilename, $dfilename) = @_;
	my $tmpdname = sprintf("%s.old",$dfilename);
	rename($dfilename,$tmpdname)
		or die sprintf("Failure renaming %s to %s: %s",
			$dfilename, $tmpdname, $!);

if (! link($sfilename,$dfilename)) {
		my $failtxt = "";
		unless (rename($tmpdname,$dfilename)) {
			$failtxt = sprintf(
				"Git Repository containing %s is probably corrupted, " .
				"please copy '%s' to '%s' to fix.\n",
				$tmpdname, $dfilename);
		}

die sprintf("Failed to link %s to %s: %s\n%s" .
			$sfilename, $dfilename,
			$!, $dfilename, $failtxt);
	}

unlink($tmpdname)
		or die sprintf("Unlink of %s failed: %s\n",
			$dfilename, $!);

$linked++;
}

sub usage() {
	print("Usage: git relink [--safe] <dir> [<dir> ...] <master_dir> \n");
	print("All directories should contain a .git/objects/ subdirectory.\n");
	print("Options\n");
	print("\t--safe\t" .
		"Stops if two objects with the same hash exist but " .
		"have different sizes.  Default is to warn and continue.\n");
	exit(1);
}

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