#!/usr/bin/perl # gitweb.pl - simple web interface to track changes in git repositories # # Version 031 # # (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 $cgi = new CGI; my $projectroot = "/home/kay/public_html"; my $defaultprojects = "."; my $gitbin = "/home/kay/bin/git"; my $gittmp = "/tmp"; my $my_url = $cgi->url(); my $my_uri = $cgi->url(-absolute => 1); my $my_url_parm = $cgi->url(-path => 1); $my_url_parm =~ s/.*$my_uri//; my $project = ""; my $action = ""; my $hash = ""; my $hash_parent = ""; my $view_back = 1; # get values from url if ($my_url_parm =~ m#/+(.+)/+commit/+([0-9a-fA-F]+)$#) { $project = $1; $action = "commit"; $hash = $2; } elsif ($my_url_parm =~ m#/+(.+)/+commitdiff/+([0-9a-fA-F]+)$#) { $project = $1; $action = "commitdiff"; $hash = $2; } elsif ($my_url_parm =~ m#/+(.+)/+blobdiff/+([0-9a-fA-F]+)/([0-9a-fA-F]+)$#) { $project = $1; $action = "blobdiff"; $hash = $2; $hash_parent = $3; } elsif ($my_url_parm =~ m#/+(.+)/+blob/+([0-9a-fA-F]+)$#) { $project = $1; $action = "blob"; $hash = $2; } elsif ($my_url_parm =~ m#/+(.+)/+tree/+([0-9a-fA-F]+)$#) { $project = $1; $action = "tree"; $hash = $2; } elsif ($my_url_parm =~ m#/+(.+)/+log/+([0-9]+)$#) { $project = $1; $action = "log"; $view_back = $2; } elsif ($my_url_parm =~ m#/+(.+)/+log$#) { $project = $1; $action = "log"; $view_back = 1; } elsif ($my_url_parm =~ m#/+(.+)/rss$#) { $project = $1; $action = "rss"; $view_back = 1; } elsif ($my_url_parm =~ m#/+git-logo.png$#) { print $cgi->header(-type => 'image/png', -expires => '+1d'); print "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122". "\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324". "\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260". "\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367". "\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143". "\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010". "\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261". "\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052". "\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030". "\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202". "\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006". "\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305". "\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202"; exit; } elsif ($my_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_html { print $cgi->header(-type => 'text/html', -charset => 'utf-8'); print < git - $project $action EOF print "
\n"; print "
"; print "" . "\"git\""; if ($defaultprojects ne "") { print $cgi->a({-href => "$my_uri"}, "projects") . " / "; } if ($project ne "") { print $cgi->a({-href => "$my_uri/$project/log"}, $project); } if ($action ne "") { print " / $action"; } print "
\n"; } sub git_footer_html { print "
\n"; print "\n"; } sub git_head { open my $fd, "$projectroot/$project/.git/HEAD"; my $head = <$fd>; close $fd; chomp $head; return $head; } sub git_commit { my $commit = shift; my %co; my @parents; open my $fd, "-|", "$gitbin/cat-file", "commit", $commit; while (my $line = <$fd>) { chomp($line); last if $line eq ""; if ($line =~ m/^tree (.*)$/) { $co{'tree'} = $1; } elsif ($line =~ m/^parent (.*)$/) { push @parents, $1; } elsif ($line =~ m/^committer (.*>) ([0-9]+) (.*)$/) { $co{'committer'} = $1; $co{'committer_time'} = $2; $co{'committer_timezone'} = $3; } elsif ($line =~ m/^author (.*>) ([0-9]+) (.*)$/) { $co{'author'} = $1; $co{'author_time'} = $2; $co{'author_timezone'} = $3; } } $co{'parents'} = \@parents; $co{'parent'} = $parents[0]; my (@comment) = map { chomp; $_ } <$fd>; $co{'comment'} = \@comment; $co{'title'} = $comment[0]; close $fd; return %co; } sub git_diff_html { my $from_name = shift || "/dev/null"; my $to_name = shift || "/dev/null"; my $from = shift; my $to = shift; my $from_tmp = "/dev/null"; my $to_tmp = "/dev/null"; my $from_label = "/dev/null"; my $to_label = "/dev/null"; my $pid = $$; # create temp from-file if ($from ne "") { $from_tmp = "$gittmp/gitweb_" . $$ . "_from"; open my $fd2, "> $from_tmp"; open my $fd, "-|", "$gitbin/cat-file", "blob", $from; my @file = <$fd>; print $fd2 @file; close $fd2; close $fd; $from_label = "a/$from_name"; } # create tmp to-file if ($to ne "") { $to_tmp = "$gittmp/gitweb_" . $$ . "_to"; open my $fd2, "> $to_tmp"; open my $fd, "-|", "$gitbin/cat-file", "blob", $to; my @file = <$fd>; print $fd2 @file; close $fd2; close $fd; $to_label = "b/$to_name"; } open my $fd, "-|", "/usr/bin/diff", "-L", $from_label, "-L", $to_label, "-u", "-p", $from_tmp, $to_tmp; print "===== "; if ($from ne "") { print $cgi->a({-href => "$my_uri/$project/blob/$from"}, $from); } else { print $from_name; } print " vs "; if ($to ne "") { print $cgi->a({-href => "$my_uri/$project/blob/$to"}, $to); } else { print $to_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 $fd; if ($from ne "") { unlink("$from_tmp"); } if ($to ne "") { unlink("$to_tmp"); } } sub mode_str { my $perms = oct shift; my $modestr; if ($perms & 040000) { $modestr .= 'd' } else { $modestr .= '-' }; for (my $i = 0; $i < 3; $i++) { if ($perms & 0400) { $modestr .= 'r' } else { $modestr .= '-' }; if ($perms & 0200) { $modestr .= 'w' } else { $modestr .= '-' }; if ($perms & 0100) { $modestr .= 'x' } else { $modestr .= '-' }; $perms <<= 3; } return $modestr; } # show list of default projects if ($project eq "") { opendir(my $fd, "$projectroot/$defaultprojects"); my (@path) = grep(!/^\./, readdir($fd)); closedir($fd); git_header_html(); print "
\n"; print "

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

"; git_footer_html(); exit; } if ($action eq "blob") { git_header_html(); 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 $fd;
	print "
\n"; print "
"; git_footer_html(); } elsif ($action eq "tree") { if ($hash eq "") { $hash = git_head(); } open my $fd, "-|", "$gitbin/ls-tree", $hash; my (@entries) = map { chomp; $_ } <$fd>; close $fd; git_header_html(); print "

\n"; print "
\n";
	foreach my $line (@entries) {
		#'100644	blob	0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa	panic.c'
		$line =~ m/^([0-9]+)\t(.*)\t(.*)\t(.*)$/;
		my $t_mode = $1;
		my $t_type = $2;
		my $t_hash = $3;
		my $t_name = $4;
		if ($t_type eq "blob") {
			print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri/$project/blob/$t_hash"}, $t_name) . "\n";
		} elsif ($t_type eq "tree") {
			print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri/$project/tree/$t_hash"}, $t_name) . "\n";
		}
	}
	print "
\n"; print "
"; git_footer_html(); } elsif ($action eq "log" || $action eq "rss") { open my $fd, "-|", "$gitbin/rev-list", git_head(); my (@revtree) = map { chomp; $_ } <$fd>; close $fd; if ($action eq "log") { git_header_html(); print "
\n"; print "view "; print $cgi->a({-href => "$my_uri/$project/log"}, "last day") . " | "; print $cgi->a({-href => "$my_uri/$project/log/7"}, "week") . " | "; print $cgi->a({-href => "$my_uri/$project/log/31"}, "month") . " | "; print $cgi->a({-href => "$my_uri/$project/log/365"}, "year") . " | "; print $cgi->a({-href => "$my_uri/$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". " " . $my_url . "/$project/log\n". "$project log\n". "en\n"; } for (my $i = 0; $i <= $#revtree; $i++) { my $commit = $revtree[$i]; my %co = git_commit($commit); my $age = time - $co{'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 ($action eq "rss") { last if ($i >= 20); my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday) = gmtime($co{'author_time'}); my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"); print "\n\t"; printf("%s %02d, %02d:%02d - ", $months[$mon], $mday, $hour, $min); print escapeHTML($co{'title'}) . "\n"; print "\t " . $my_url . "/$project/commit/$commit\n"; print "\t"; my $comment = $co{'comment'}; foreach my $line (@$comment) { print escapeHTML($line) . "\n"; } print "\t\n"; print "\n"; } } if ($action eq "log") { print "
Last change $age_string.
" . $age_string . "" . $cgi->a({-href => "$my_uri/$project/commit/$commit"}, $co{'title'}) . "
"; print $cgi->a({-href => "$my_uri/$project/commit/$commit"}, "view commit") . "
\n"; print $cgi->a({-href => "$my_uri/$project/commitdiff/$commit"}, "view diff") . "
\n"; print "		\n"; print "author    " . escapeHTML($co{'author'}) . " [" . gmtime($co{'author_time'}) . " " . $co{'author_timezone'} . "]
\n"; print "committer " . escapeHTML($co{'committer'}) . " [" . gmtime($co{'committer_time'}) . " " . $co{'committer_timezone'} . "]
\n"; print "
\n"; my $comment = $co{'comment'}; foreach my $line (@$comment) { if ($line =~ m/^(signed-off|acked)-by:/i) { print '
' . escapeHTML($line) . "
\n"; } else { print escapeHTML($line) . "
\n"; } } print "

\n"; print "
\n"; git_footer_html(); } elsif ($action eq "rss") { print ""; } } elsif ($action eq "commit") { my %co = git_commit($hash); open my $fd, "-|", "$gitbin/diff-tree", "-r", $co{'parent'}, $hash; my (@difftree) = map { chomp; $_ } <$fd>; close $fd; git_header_html(); print "
view\n"; print $cgi->a({-href => "$my_uri/$project/commit/$hash"}, "commit") . " | "; print $cgi->a({-href => "$my_uri/$project/commitdiff/$hash"}, "diff"); print "


\n"; print "
" . $cgi->a({-href => "$my_uri/$project/commitdiff/$hash"}, $co{'title'}) . "
\n"; print "\n"; print "\n"; print ""; print "\n"; print "\n"; print ""; print "\n"; print "
"; print "author    " . escapeHTML($co{'author'}) . " [" . gmtime($co{'author_time'}) . " " . $co{'author_timezone'} . "]
\n"; print "committer " . escapeHTML($co{'committer'}) . " [" . gmtime($co{'committer_time'}) . " " . $co{'committer_timezone'} . "]
\n"; print "commit    $hash
\n"; print "tree      " . $cgi->a({-href => "$my_uri/$project/tree/$co{'tree'}"}, $co{'tree'}) . "
\n"; my $parents = $co{'parents'}; foreach my $par (@$parents) { print "parent    " . $cgi->a({-href => "$my_uri/$project/tree/$par"}, $par) . "
\n"; } print "
\n"; my $comment = $co{'comment'}; foreach my $line (@$comment) { if ($line =~ m/(signed-off|acked)-by:/i) { print '
' . escapeHTML($line) . "
\n"; } else { print escapeHTML($line) . "
\n"; } } print "

\n"; print "
"; 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;
		$mode =~ m/^([0-7]{6})/;
		my $modestr = mode_str($1);
		if ($type eq "blob") {
			if ($op eq "+") {
				print "added\t$modestr " . $cgi->a({-href => "$my_uri/$project/blob/$id"}, $file) . "\n";
			} elsif ($op eq "-") {
				print "removed\t$modestr " . $cgi->a({-href => "$my_uri/$project/blob/$id"}, $file) . "\n";
			} elsif ($op eq "*") {
				$id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
				my $old = $1;
				my $new = $2;
				print "changed\t$modestr " . $cgi->a({-href => "$my_uri/$project/blobdiff/$old/$new"}, $file) . "\n";
			}
		}
	}
	print "
\n"; print "
"; git_footer_html(); } elsif ($action eq "blobdiff") { git_header_html(); print "

\n"; print "
\n";
	git_diff_html($hash, $hash_parent, $hash, $hash_parent);
	print "
\n"; print "
"; git_footer_html(); } elsif ($action eq "commitdiff") { my %co = git_commit($hash); open my $fd, "-|", "$gitbin/diff-tree", "-r", $co{'parent'}, $hash; my (@difftree) = map { chomp; $_ } <$fd>; close $fd; git_header_html(); print "
view\n"; print $cgi->a({-href => "$my_uri/$project/commit/$hash"}, "commit") . " | "; print $cgi->a({-href => "$my_uri/$project/commitdiff/$hash"}, "diff"); print "


\n"; print "
" . $cgi->a({-href => "$my_uri/$project/commit/$hash"}, $co{'title'}) . "
\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_html("", $file, "", $id);
			} elsif ($op eq "-") {
				git_diff_html($file, "", $id, "");
			} elsif ($op eq "*") {
				$id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
				git_diff_html($file, $file, $1, $2);
			}
		}
	}
	print "
\n"; print "
"; git_footer_html(); }