#!/usr/bin/perl # gitweb.pl - simple web interface to track changes in git repositories # # Version 006 # # (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 $gitbin = "/home/kay/bin/git"; my $gitroot = "/home/kay/public_html"; my $gittmp = "/tmp"; my $myself = $cgi->url(-relative => 1); my $url_path = $cgi->url(-path => 1); my $project = $cgi->param("project") || ""; my $action = $cgi->param("action") || ""; my $hash = $cgi->param("hash") || ""; my $hash_parent = $cgi->param("hash_parent") || ""; my $view_back = $cgi->param("view_back") || 60*60*24; if ($url_path =~ m#/([^/]+)/commit/([0-9a-fA-F]+)$#) { $project = $1; $action = "commit"; $hash = $2; } elsif ($url_path =~ m#/([^/]+)/treediff/([0-9a-fA-F]+)$#) { $project = $1; $action = "treediff"; $hash = $2; } elsif ($url_path =~ m#/([^/]+)/diff/([0-9a-fA-F]+)/([0-9a-fA-F]+)$#) { $project = $1; $action = "treediff"; $hash = $2; $hash_parent = $3; } elsif ($url_path =~ m#/([^/]+)/log/([0-9]+)$#) { $project = $1; $action = "log"; $view_back = $2; } elsif ($url_path =~ m#/([^/]+)/log#) { $project = $1; $action = "log"; $view_back = 60*60*24; } my $projectroot = "$gitroot/$project"; $hash =~ s/[^0-9a-fA-F]//g; $hash_parent =~ s/[^0-9a-fA-F]//g; $project =~ s/[^0-9a-zA-Z\-\._]//g; $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/.git/objects"; sub git_header { print $cgi->header(-type => 'text/html; charset: utf-8'); print < git - $project $action EOF print "
\n"; print "
"; print "\"git\""; print $cgi->a({-href => "$myself"}, "projects"); if ($project ne "") { print " / " . $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24}, $project); } if ($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=$project;action=blob;hash=$old"}, $old); } else { print $old_name; } print " vs "; if ($new ne "") { print $cgi->a({-href => "$myself?project=$project;action=blob;hash=$new"}, $new); } else { print $new_name; } print ' =====
'; 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 "") { open my $fd, "-|", "ls", "-1", $gitroot; my (@path) = map { chomp; $_ } <$fd>; close $fd; git_header(); print "

\n"; foreach my $line (@path) { if (-e "$gitroot/$line/.git/HEAD") { print $cgi->a({-href => "$myself?project=$line"}, $line) . "
\n"; } } print "
"; git_footer(); exit; } if ($action eq "") { print $cgi->redirect("$myself?project=$project;action=log;view_back=$view_back"); 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/.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=$project;action=blob;hash=$3"}, $4) . "\n";
		} elsif ($t_type eq "tree") {
			print "TREE\t" . $cgi->a({-href => "$myself?project=$project;action=tree;hash=$3"}, $4) . "\n";
		}
	}
	print "
\n"; print "
"; git_footer(); } elsif ($action eq "log" || $action eq "show_log" ) { open my $fd, "$projectroot/.git/HEAD"; my $head = <$fd>; chomp $head; close $fd; open $fd, "-|", "$gitbin/rev-tree", $head; my (@revtree) = map { chomp; $_ } <$fd>; close $fd; git_header(); print "
\n"; print "view "; print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24}, "last day") . " | "; print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24*7}, "week") . " | "; print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24*30}, "month") . " | "; print $cgi->a({-href => "$myself?project=$project;action=log;view_back=" . 60*60*24*365}, "year") . " | "; print $cgi->a({-href => "$myself?project=$project;action=log;view_back=-1"}, "all") . "
\n"; print "

\n"; print "
\n"; print "\n"; foreach my $rev (reverse sort @revtree) { # '1114106118 755e3010ee10dadf42a8a80770e1b115fb038d9b:1 2af17b4854036a1c2ec6c101d93c8dd1ed80d24e:1' last if !($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; my $author_name; my $author_time; my $author_timezone; my $committer; my $committer_time; my $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>; $shortlog = escapeHTML($shortlog); $comment = $shortlog . "
"; while (my $line = <$fd>) { chomp($line); $comment .= escapeHTML($line) . "
\n"; } close $fd; my $age = time-$committer_time; last if ($view_back > 0 && $age > $view_back); 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"; } print "\n"; print "\n"; print ""; print "\n"; print "\n"; print "\n"; print ""; print "\n"; print "\n"; print "\n"; print ""; print "\n"; } print "
" . $age_string . "" . $cgi->a({-href => "$myself?project=$project;action=commit;hash=$commit"}, $shortlog) . "
"; print $cgi->a({-href => "$myself?project=$project;action=treediff;hash=$commit"}, "view diff") . "
\n"; print $cgi->a({-href => "$myself?project=$project;action=commit;hash=$commit"}, "view commit") . "
\n"; print $cgi->a({-href => "$myself?project=$project;action=tree;hash=$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 "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=$project;action=treediff;hash=$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 "NEW\t" . $cgi->a({-href => "$myself?project=$project;action=blob;hash=$id"}, $file) . "\n";
			} elsif ($op eq "-") {
				print "DEL\t" . $cgi->a({-href => "$myself?project=$project;action=blob;hash=$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=$project;action=diff;hash=$old;hash_parent=$new"}, $file) . "\n";
			}
		}
	}
	print "
\n"; print "
"; git_footer(); } elsif ($action eq "diff") { git_header(); print "

\n"; print "
\n";
	git_diff($hash, $hash_parent, $hash, $hash_parent);
	print "
\n"; print "
"; git_footer(); } elsif ($action eq "treediff") { 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=$project;action=commit;hash=$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(); } else { git_header(); print "

\n"; print "unknown action\n"; print "
"; git_footer(); }