#!/usr/bin/perl # gitweb.pl - simple web interface to track changes in git repositories # # Version 021 # # (C) 2005, Kay Sievers # (C) 2005, Christian Gierke # # This file is licensed under the GPL v2, or a later version use strict; use warnings; use CGI qw(:standard :escapeHTML); use CGI::Carp qw(fatalsToBrowser); my $projectroot = "/home/kay/public_html"; my $defaultprojects = "."; my $gitbin = "/home/kay/bin/git"; my $gittmp = "/tmp"; my $cgi = new CGI; my $project = ""; my $action = ""; my $hash = ""; my $hash_parent = ""; my $view_back; my $myself = $cgi->url(-absolute => 1); my $url_parm = $cgi->url(-path => 1); $url_parm =~ s/.*$myself//; # get values from url if ($url_parm =~ m#/(.+)/commit/([0-9a-fA-F]+)$#) { $project = $1; $action = "commit"; $hash = $2; } elsif ($url_parm =~ m#/(.+)/commitdiff/([0-9a-fA-F]+)$#) { $project = $1; $action = "commitdiff"; $hash = $2; } elsif ($url_parm =~ m#/(.+)/blobdiff/([0-9a-fA-F]+)/([0-9a-fA-F]+)$#) { $project = $1; $action = "blobdiff"; $hash = $2; $hash_parent = $3; } elsif ($url_parm =~ m#/(.+)/blob/([0-9a-fA-F]+)$#) { $project = $1; $action = "blob"; $hash = $2; } elsif ($url_parm =~ m#/(.+)/tree/([0-9a-fA-F]+)$#) { $project = $1; $action = "tree"; $hash = $2; } elsif ($url_parm =~ m#/(.+)/log/([0-9]+)$#) { $project = $1; $action = "log"; $view_back = $2; } elsif ($url_parm =~ m#/(.+)/log$#) { $project = $1; $action = "log"; $view_back = 1; } elsif ($url_parm =~ m#/(.+)/rss$#) { $project = $1; $action = "rss"; $view_back = 1; } elsif ($url_parm =~ m#/git-logo.png$#) { print $cgi->header(-type => 'image/png'); print "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122". "\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324". "\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260". "\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367". "\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143". "\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010". "\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261". "\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052". "\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030". "\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202". "\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006". "\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305". "\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202"; exit; } elsif ($url_parm =~ m#/(.+)$#) { $project = $1; $action = "log"; $view_back = 1; } # sanitize input $project =~ s#\/\.+##g; $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/.git/objects"; sub git_header { print $cgi->header(-type => 'text/html; charset: utf-8'); print < git - $project $action EOF print "
\n"; print "
"; print "\"git\""; if ($defaultprojects ne "") { print $cgi->a({-href => "$myself"}, "projects") . " / "; } if ($project ne "") { print $cgi->a({-href => "$myself/$project/log"}, $project); } if ($action ne "") { print " / $action"; } print "
\n"; } sub git_footer { print "
"; print $cgi->end_html(); } sub git_diff { my $old_name = shift || "/dev/null"; my $new_name = shift || "/dev/null"; my $old = shift; my $new = shift; my $tmp_old = "/dev/null"; my $tmp_new = "/dev/null"; my $old_label = "/dev/null"; my $new_label = "/dev/null"; # create temp from-file if ($old ne "") { open my $fd2, "> $gittmp/$old"; open my $fd, "-|", "$gitbin/cat-file", "blob", $old; while (my $line = <$fd>) { print $fd2 $line; } close $fd2; close $fd; $tmp_old = "$gittmp/$old"; $old_label = "a/$old_name"; } # create tmp to-file if ($new ne "") { open my $fd2, "> $gittmp/$new"; open my $fd, "-|", "$gitbin/cat-file", "blob", $new; while (my $line = <$fd>) { print $fd2 $line; } close $fd2; close $fd; $tmp_new = "$gittmp/$new"; $new_label = "b/$new_name"; } open my $fd, "-|", "/usr/bin/diff", "-L", $old_label, "-L", $new_label, "-u", "-p", $tmp_old, $tmp_new; print "===== "; if ($old ne "") { print $cgi->a({-href => "$myself/$project/blob/$old"}, $old); } else { print $old_name; } print " vs "; if ($new ne "") { print $cgi->a({-href => "$myself/$project/blob/$new"}, $new); } else { print $new_name; } print " =====\n"; while (my $line = <$fd>) { my $char = substr($line,0,1); print '' if $char eq '+'; print '' if $char eq '-'; print '' if $char eq '@'; print escapeHTML($line); print '' if $char eq '+' or $char eq '-' or $char eq '@'; } close $fd; unlink("$gittmp/$new"); unlink("$gittmp/$old"); } if ($project eq "") { opendir(my $fd, "$projectroot/$defaultprojects"); my (@path) = grep(!/^\./, readdir($fd)); closedir($fd); git_header(); print "
\n"; print "

\n"; foreach my $line (@path) { if (-e "$projectroot/$defaultprojects/$line/.git/HEAD") { print $cgi->a({-href => "$myself/$defaultprojects/$line/log"}, $line) . "
\n"; } } print "

"; git_footer(); exit; } if ($action eq "blob") { git_header(); print "

\n"; print "
\n";
	open my $fd, "-|", "$gitbin/cat-file", "blob", $hash;
	my $nr;
	while (my $line = <$fd>) {
		$nr++;
		print "$nr\t" . escapeHTML($line);;
	}
	close $fd;
	print "
\n"; print "
"; git_footer(); } elsif ($action eq "tree") { if ($hash eq "") { open my $fd, "$projectroot/$project/.git/HEAD"; my $head = <$fd>; chomp $head; close $fd; $hash = $head; } open my $fd, "-|", "$gitbin/ls-tree", $hash; my (@entries) = map { chomp; $_ } <$fd>; close $fd; git_header(); print "

\n"; print "
\n";
	foreach my $line (@entries) {
		#'100644	blob	0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa	panic.c'
		$line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
		my $t_type = $2;
		my $t_hash = $3;
		my $t_name = $4;
		if ($t_type eq "blob") {
			print "BLOB\t" . $cgi->a({-href => "$myself/$project/blob/$3"}, $4) . "\n";
		} elsif ($t_type eq "tree") {
			print "TREE\t" . $cgi->a({-href => "$myself/$project/tree/$3"}, $4) . "\n";
		}
	}
	print "
\n"; print "
"; git_footer(); } elsif ($action eq "log" || $action eq "rss") { open my $fd, "$projectroot/$project/.git/HEAD"; my $head = <$fd>; chomp $head; close $fd; open $fd, "-|", "$gitbin/rev-tree", $head; my (@revtree) = reverse sort map { chomp; $_ } <$fd>; close $fd; if ($action eq "log") { git_header(); print "
\n"; print "view "; print $cgi->a({-href => "$myself/$project/log"}, "last day") . " | "; print $cgi->a({-href => "$myself/$project/log/7"}, "week") . " | "; print $cgi->a({-href => "$myself/$project/log/31"}, "month") . " | "; print $cgi->a({-href => "$myself/$project/log/365"}, "year") . " | "; print $cgi->a({-href => "$myself/$project/log/0"}, "all") . "
\n"; print "

\n"; print "
\n"; print "\n"; } elsif ($action eq "rss") { print $cgi->header(-type => 'text/xml; charset: utf-8'); print "\n". "\n"; print "\n"; print "$project\n". " " . $cgi->url() . "/$project/log\n". "$project log\n". "en\n"; } for (my $i = 0; $i <= $#revtree; $i++) { my $rev = $revtree[$i]; #foreach my $rev (@revtree) { # '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1' last if !($rev =~ m/^([0-9]+) ([0-9a-fA-F]+).* ([0-9a-fA-F]+)/); my $time = $1; my $commit = $2; my $parent = $3; my @parents; my ($author, $author_time, $author_timezone); my ($committer, $committer_time, $committer_timezone); my $tree; my $comment; my $shortlog; open my $fd, "-|", "$gitbin/cat-file", "commit", $commit; while (my $line = <$fd>) { chomp($line); last if $line eq ""; if ($line =~ m/^tree (.*)$/) { $tree = $1; } elsif ($line =~ m/^parent (.*)$/) { push @parents, $1; } elsif ($line =~ m/^committer (.*>) ([0-9]+) (.*)$/) { $committer = $1; $committer_time = $2; $committer_timezone = $3; } elsif ($line =~ m/^author (.*>) ([0-9]+) (.*)$/) { $author = $1; $author_time = $2; $author_timezone = $3; } } $shortlog = <$fd>; chomp($shortlog); $shortlog = escapeHTML($shortlog); $comment = $shortlog . "
"; while (my $line = <$fd>) { chomp($line); if ($line =~ m/signed-off-by:/i) { $comment .= '
' . escapeHTML($line) . "
\n"; } else { $comment .= escapeHTML($line) . "
\n"; } } close $fd; my $age = time-$committer_time; my $age_string; if ($age > 60*60*24*365*2) { $age_string = int $age/60/60/24/365; $age_string .= " years ago"; } elsif ($age > 60*60*24*365/12*2) { $age_string = int $age/60/60/24/365/12; $age_string .= " months ago"; } elsif ($age > 60*60*24*7*2) { $age_string = int $age/60/60/24/7; $age_string .= " weeks ago"; } elsif ($age > 60*60*24*2) { $age_string = int $age/60/60/24; $age_string .= " days ago"; } elsif ($age > 60*60*2) { $age_string = int $age/60/60; $age_string .= " hours ago"; } elsif ($age > 60*2) { $age_string = int $age/60; $age_string .= " minutes ago"; } if ($action eq "log") { if ($view_back > 0 && $age > $view_back*60*60*24) { if ($i == 0) { print "\n"; print "\n"; print "\n"; } last; } print "\n"; print "\n"; print ""; print "\n"; print "\n"; print "\n"; print ""; print "\n"; print "\n"; print "\n"; print ""; print "\n"; } elsif ($action eq "rss") { if ($i < 12) { print "\n\t$age_string: $shortlog\n"; print "\t " . $cgi->url() . "/$project/commit/$commit\n"; print "\n"; } } } if ($action eq "log") { print "
Last change $age_string.
" . $age_string . "" . $cgi->a({-href => "$myself/$project/commit/$commit"}, $shortlog) . "
"; print $cgi->a({-href => "$myself/$project/commitdiff/$commit"}, "view diff") . "
\n"; print $cgi->a({-href => "$myself/$project/commit/$commit"}, "view commit") . "
\n"; print $cgi->a({-href => "$myself/$project/tree/$tree"}, "view tree") . "
\n"; print "		\n"; print "author    " . escapeHTML($author) . " [" . gmtime($author_time) . " " . $author_timezone . "]
\n"; print "committer " . escapeHTML($committer) . " [" . gmtime($committer_time) . " " . $committer_timezone . "]
\n"; print "commit    $commit
\n"; print "tree      $tree
\n"; foreach my $par (@parents) { print "parent    $par
\n"; } print "
\n"; print "$comment

\n"; print "
\n"; git_footer(); } elsif ($action eq "rss") { print ""; } } elsif ($action eq "commit") { my $parent = ""; open my $fd, "-|", "$gitbin/cat-file", "commit", $hash; while (my $line = <$fd>) { chomp($line); last if $line eq ""; if ($line =~ m/^parent (.*)$/ && $parent eq "") { $parent = $1; } } my $shortlog = <$fd>; $shortlog = escapeHTML($shortlog); close $fd; open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash; my (@difftree) = map { chomp; $_ } <$fd>; close $fd; git_header(); print "
\n"; print "view " . $cgi->a({-href => "$myself/$project/commitdiff/$hash"}, "diff") . "


\n"; print "
$shortlog
\n"; print "
\n";
	foreach my $line (@difftree) {
		# '*100644->100644	blob	9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596	net/ipv4/route.c'
		# '+100644	blob	4a83ab6cd565d21ab0385bac6643826b83c2fcd4	arch/arm/lib/bitops.h'
		$line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
		my $op = $1;
		my $mode = $2;
		my $type = $3;
		my $id = $4;
		my $file = $5;
		if ($type eq "blob") {
			if ($op eq "+") {
				print "added\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
			} elsif ($op eq "-") {
				print "removed\t" . $cgi->a({-href => "$myself/$project/blob/$id"}, $file) . "\n";
			} elsif ($op eq "*") {
				$id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
				my $old = $1;
				my $new = $2;
				print "changed\t" . $cgi->a({-href => "$myself/$project/blobdiff/$old/$new"}, $file) . "\n";
			}
		}
	}
	print "
\n"; print "
"; git_footer(); } elsif ($action eq "blobdiff") { git_header(); print "

\n"; print "
\n";
	git_diff($hash, $hash_parent, $hash, $hash_parent);
	print "
\n"; print "
"; git_footer(); } elsif ($action eq "commitdiff") { my $parent = ""; open my $fd, "-|", "$gitbin/cat-file", "commit", $hash; while (my $line = <$fd>) { chomp($line); last if $line eq ""; if ($line =~ m/^parent (.*)$/ && $parent eq "") { $parent = $1; } } my $shortlog = <$fd>; $shortlog = escapeHTML($shortlog); close $fd; open $fd, "-|", "$gitbin/diff-tree", "-r", $parent, $hash; my (@difftree) = map { chomp; $_ } <$fd>; close $fd; git_header(); print "
\n"; print "view " . $cgi->a({-href => "$myself/$project/commit/$hash"}, "commit") . "


\n"; print "
$shortlog
\n"; print "
\n";
	foreach my $line (@difftree) {
		# '*100644->100644	blob	8e5f9bbdf4de94a1bc4b4da8cb06677ce0a57716->8da3a306d0c0c070d87048d14a033df02f40a154	Makefile'
		$line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
		my $op = $1;
		my $mode = $2;
		my $type = $3;
		my $id = $4;
		my $file = $5;
		if ($type eq "blob") {
			if ($op eq "+") {
				git_diff("", $file, "", $id);
			} elsif ($op eq "-") {
				git_diff($file, "", $id, "");
			} elsif ($op eq "*") {
				$id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
				git_diff($file, $file, $1, $2);
			}
		}
	}
	print "
\n"; print "
"; git_footer(); }