git - $project $action

#!/usr/bin/perl # gitweb.pl - simple web interface to track changes in git repositories # # (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 $version = "070"; my $projectroot = "/pub/scm"; my $home_link = "/git"; my $gitbin = "/usr/bin"; my $gittmp = "/tmp/gitweb"; my $logo_link = "/pub/software/scm/cogito"; my $my_url = $cgi->url(); my $my_uri = $cgi->url(-absolute => 1); # remove # my $projectroot = "/home/kay/public_html/pub/scm"; my $home_link = "/~kay/git"; my $logo_link = "/~kay/pub/software/scm/cogito"; # remove # mkdir($gittmp, 0700); my $project = $cgi->param('p'); my $action = $cgi->param('a'); my $hash = $cgi->param('h'); my $hash_parent = $cgi->param('hp'); my $file_name = $cgi->param('f'); my $time_back = $cgi->param('t'); $ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects"; # validate input if (defined($project)) { if ($project =~ /(^|\/)(|\.|\.\.)($|\/)/) { die_error("", "Invalid project parameter."); } if (!(-d "$projectroot/$project")) { die_error("", "No such project."); } } if (defined($file_name) && $file_name =~ /(^|\/)(|\.|\.\.)($|\/)/) { die_error("", "Invalid file parameter."); } if (defined($action) && !$action =~ m/^[0-9a-zA-Z\.\-]+$/) { die_error("", "Invalid action parameter."); } if (defined($hash) && !($hash =~ m/^[0-9a-fA-F]{40}$/)) { die_error("", "Invalid hash parameter."); } if (defined($hash_parent) && !($hash_parent =~ m/^[0-9a-fA-F]{40}$/)) { die_error("", "Invalid parent hash parameter."); } if (defined($time_back) && !($time_back =~ m/^[0-9]+$/)) { die_error("", "Invalid time parameter."); } sub git_header_html { my $status = shift || "200 OK"; print $cgi->header(-type=>'text/html', -charset => 'utf-8', -status=> $status); print < git - $project $action EOF print "

\n" . "" . " $\"git\"$ "; print $cgi->a({-href => "$my_uri"}, "projects") . " / "; if ($project ne "") { print $cgi->a({-href => "$my_uri?p=$project;a=log"}, $project); } if ($action ne "") { print " / $action"; } print "

\n"; } sub git_footer_html { print "

"; print "

version $version

"; if ($project ne '') { print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "xml_logo"}, "XML") . "\n"; } print "

" . "" . ""; } sub die_error { my $status = shift || "403 Forbidden"; my $error = shift || "Malformed query, file missing or permission denied"; $project = ""; $action = ""; git_header_html($status); print "

\n" . "

\n"; print "$error\n"; print "

\n"; git_footer_html(); exit 0; } sub git_head { my $path = shift; open(my $fd, "$projectroot/$path/HEAD") || die_error("", "Invalid project directory.");; my $head = <$fd>; close $fd; chomp $head; return $head; } sub git_commit { my $commit = shift; my %co; my @parents; open my $fd, "-|", "$gitbin/git-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/^author (.*) ([0-9]+) (.*)$/) { $co{'author'} = $1; $co{'author_epoch'} = $2; $co{'author_tz'} = $3; $co{'author_name'} = $co{'author'}; $co{'author_name'} =~ s/ <.*//; } elsif ($line =~ m/^committer (.*) ([0-9]+) (.*)$/) { $co{'committer'} = $1; $co{'committer_epoch'} = $2; $co{'committer_tz'} = $3; $co{'committer_name'} = $co{'committer'}; $co{'committer_name'} =~ s/ <.*//; } } if (!defined($co{'tree'})) { die_error("", "Invalid commit object."); } $co{'parents'} = \@parents; $co{'parent'} = $parents[0]; my (@comment) = map { chomp; $_ } <$fd>; $co{'comment'} = \@comment; $co{'title'} = $comment[0]; close $fd; my $age = time - $co{'committer_epoch'}; $co{'age'} = $age; if ($age > 60*60*24*365*2) { $co{'age_string'} = (int $age/60/60/24/365); $co{'age_string'} .= " years ago"; } elsif ($age > 60*60*24*365/12*2) { $co{'age_string'} = int $age/60/60/24/365/12; $co{'age_string'} .= " months ago"; } elsif ($age > 60*60*24*7*2) { $co{'age_string'} = int $age/60/60/24/7; $co{'age_string'} .= " weeks ago"; } elsif ($age > 60*60*24*2) { $co{'age_string'} = int $age/60/60/24; $co{'age_string'} .= " days ago"; } elsif ($age > 60*60*2) { $co{'age_string'} = int $age/60/60; $co{'age_string'} .= " hours ago"; } elsif ($age > 60*2) { $co{'age_string'} = int $age/60; $co{'age_string'} .= " minutes ago"; } 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 = $$; # create tmp from-file if ($from ne "") { $from_tmp = "$gittmp/gitweb_" . $$ . "_from"; open(my $fd2, "> $from_tmp"); open my $fd, "-|", "$gitbin/git-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/git-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 -u -p -L $from_label -L $to_label $from_tmp $to_tmp"; print "===== "; if ($from ne "") { print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$from"}, $from); } else { print $from_name; } print " vs "; if ($to ne "") { print $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$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) { $modestr .= 'drwxr-xr-x'; } else { # git cares only about the executable bit if ($perms & 0100) { $modestr .= '-rwxr-xr-x'; } else { $modestr .= '-rw-r--r--'; }; } return $modestr; } sub date_str { my $epoch = shift; my $tz = shift || "-0000"; my %date; my @months = ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"); my @days = ("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"); my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($epoch); $date{'hour'} = $hour; $date{'minute'} = $min; $date{'mday'} = $mday; $date{'day'} = $days[$wday]; $date{'month'} = $months[$mon]; $date{'rfc2822'} = sprintf "%s, %d %s %4d %02d:%02d:%02d +0000", $days[$wday], $mday, $months[$mon], 1900+$year, $hour ,$min, $sec; $date{'mday-time'} = sprintf "%d %s %02d:%02d", $mday, $months[$mon], $hour ,$min; $tz =~ m/((-|\+)[0-9][0-9])([0-9][0-9])/; my $local = $epoch + (($1 + ($2/60)) * 3600); ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = gmtime($local); $date{'hour_local'} = $hour; $date{'minute_local'} = $min; $date{'tz_local'} = $tz; return %date; } if ($action eq "git-logo.png") { print $cgi->header(-type => 'image/png', -expires => '+1d'); print "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122". "\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324". "\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260". "\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367". "\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143". "\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010". "\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261". "\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052". "\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030". "\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202". "\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006". "\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305". "\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202"; exit; } if (!defined($project)) { print $cgi->redirect($home_link); exit; } if (!defined($action)) { $action = "log"; } if (!defined($time_back)) { $time_back = 1; } if ($action eq "blob") { git_header_html(); print "

\n"; print "

$hash

\n"; print "

\n";
	open(my $fd, "-|", "$gitbin/git-cat-file blob $hash");
	my $nr;
	while (my $line = <$fd>) {
		$nr++;
		printf "%4i\t%s", $nr, escapeHTML($line);;
	}
	close $fd;
	print "

\n"; print "

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

\n"; print "

$hash

\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). " $t_name " . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$t_hash", -class => "link"}, "view") . "\n";
		} elsif ($t_type eq "tree") {
			print mode_str($t_mode). " $t_name " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash", -class => "link"}, "view") . "\n";
		}
	}
	print "

\n"; print "

"; git_footer_html(); } elsif ($action eq "log" || $action eq "rss") { open my $fd, "-|", "$gitbin/git-rev-list " . git_head($project); my (@revlist) = map { chomp; $_ } <$fd>; close $fd; if ($action eq "log") { git_header_html(); print "

\n"; print "view "; print $cgi->a({-href => "$my_uri?p=$project;a=log"}, "last day") . " | \n" . $cgi->a({-href => "$my_uri?p=$project;a=log;t=7"}, "week") . " | \n" . $cgi->a({-href => "$my_uri?p=$project;a=log;t=31"}, "month") . " | \n" . $cgi->a({-href => "$my_uri?p=$project;a=log;t=365"}, "year") . " | \n" . $cgi->a({-href => "$my_uri?p=$project;a=log;t=0"}, "all") . "
\n"; print "

\n" . "

\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 <= $#revlist; $i++) { my $commit = $revlist[$i]; my %co = git_commit($commit); my %ad = date_str($co{'author_epoch'}); if ($action eq "log") { if ($time_back > 0 && $co{'age'} > $time_back*60*60*24) { if ($i == 0) { print "

Last change " . $co{'age_string'} . ".

\n"; } last; } print "

\n" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit", -class => "log_title"}, "" . $co{'age_string'} . "" . escapeHTML($co{'title'})) . "\n" . "

\n"; print "

\n" . "

\n" . "view " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "commit") . " | " . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "diff") . "
\n" . "

\n" . escapeHTML($co{'author_name'}) . " [" . $ad{'rfc2822'} . "]
\n" . "

\n" . "

\n"; my $comment = $co{'comment'}; foreach my $line (@$comment) { last if ($line =~ m/^(signed-off|acked)-by:/i); print escapeHTML($line) . "
\n"; } print "
\n" . "

\n"; } elsif ($action eq "rss") { last if ($i >= 20); print "\n" . "\t" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'min'}) . " - " . escapeHTML($co{'title'}) . "\n" . "\t " . $my_url . "?p=$project;a=commit;h=$commit\n" . "\t"; my $comment = $co{'comment'}; foreach my $line (@$comment) { print escapeHTML($line) . "\n"; } print "\t\n" . "\n"; } } if ($action eq "log") { git_footer_html(); } elsif ($action eq "rss") { print ""; } } elsif ($action eq "commit") { my %co = git_commit($hash); my %ad = date_str($co{'author_epoch'}, $co{'author_tz'}); my %cd = date_str($co{'committer_epoch'}, $co{'committer_tz'}); open my $fd, "-|", "$gitbin/git-diff-tree -r " . $co{'parent'} . " $hash"; my (@difftree) = map { chomp; $_ } <$fd>; close $fd; git_header_html(); print "

view\n" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . "\n" . "

\n"; print "

\n" . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash", -class => "log_title"}, escapeHTML($co{'title'})) . "\n" . "

\n"; print "

\n"; print "author " . escapeHTML($co{'author'}) . "
\n"; print "author-time " . $ad{'rfc2822'}; if ($ad{'hour_local'} < 6) { print ""; } printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'}); if ($ad{'hour_local'} < 6 ) { print ""; } print "
\n"; print "committer " . escapeHTML($co{'committer'}) . "
\n"; print "commit-time " . $cd{'rfc2822'}; printf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'}); print "
\n"; print "commit $hash
\n"; print "tree " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'}"}, $co{'tree'}) . "
\n"; my $parents = $co{'parents'}; foreach my $par (@$parents) { print "parent " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "
\n"; } print "

\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" . "

\n"; foreach my $line (@difftree) { # '*100644->100644 blob 9f91a116d91926df3ba936a80f020a6ab1084d2b->bb90a0c3a91eb52020d0db0e8b4f94d30e02d596 net/ipv4/route.c' # '+100644 blob 4a83ab6cd565d21ab0385bac6643826b83c2fcd4 arch/arm/lib/bitops.h' # '*100664->100644 blob b1a8e3dd5556b61dd771d32307c6ee5d7150fa43->b1a8e3dd5556b61dd771d32307c6ee5d7150fa43 show-files.c' # '*100664->100644 blob d08e895238bac36d8220586fdc28c27e1a7a76d3->d08e895238bac36d8220586fdc28c27e1a7a76d3 update-cache.c' $line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/; my $op = $1; my $mode = $2; my $type = $3; my $id = $4; my $file = $5; my $mode_chng = ""; if ($type eq "blob") { if ($op eq "+") { print "

\n" . "$file [new]\n" . "

"; print "

\n" . "view " . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, "file") . "

\n" . "

\n"; } elsif ($op eq "-") { print "

\n" . "$file [removed]\n" . "

"; print "

\n" . "view " . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$id"}, "file") . "

\n" . "

\n"; } elsif ($op eq "*") { $id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/; my $from_id = $1; my $to_id = $2; $mode =~ m/^([0-7]{6})->([0-7]{6})$/; my $from_mode = $1; my $to_mode = $2; print "

\n"; print $file; if ($from_mode != $to_mode) { print " [chmod $mode]"; } print "\n

\n"; print "

\n" . "view " . $cgi->a({-href => "$my_uri?p=$project;a=blob;h=$to_id"}, "file") . " | "; if ($to_id ne $from_id) { print $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to_id;hp=$from_id"}, "diff") . " | "; } print $cgi->a({-href => "$my_uri?p=$project;a=history;h=$hash;f=$file"}, "history") . "

\n" . "

\n"; } } } git_footer_html(); } elsif ($action eq "blobdiff") { git_header_html(); print "

\n"; print "

$hash vs $hash_parent

\n"; print "

\n" . "

\n";
	git_diff_html($hash_parent, $hash, $hash_parent, $hash);
	print "

\n" . "

"; git_footer_html(); } elsif ($action eq "commitdiff") { my %co = git_commit($hash); open my $fd, "-|", "$gitbin/git-diff-tree -r " . $co{'parent'} . " $hash"; my (@difftree) = map { chomp; $_ } <$fd>; close $fd; git_header_html(); print "

view\n" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash"}, "commit") . " | \n" . $cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$hash"}, "diffs") . "\n" . "

\n"; print "

\n" . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "log_title"}, escapeHTML($co{'title'})) . "\n" . "

\n"; print "

\n" . "

\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]+)/;
				if ($1 ne $2) {
					git_diff_html($file, $file, $1, $2);
				}
			}
		}
	}
	print "

\n"; print "

"; git_footer_html(); } elsif ($action eq "history") { if (!(defined($hash))) { $hash = git_head($project); } open my $fd, "-|", "$gitbin/git-rev-list $hash"; my (@revlist) = map { chomp; $_ } <$fd>; close $fd; git_header_html(); print "

\n"; print "

". escapeHTML($file_name) . "

\n"; print "

\n" . "

\n";
	foreach my $rev (@revlist) {
		my %co = git_commit($rev);
		my $parents  = $co{'parents'};
		my $found = 0;
		foreach my $parent (@$parents) {
			open $fd, "-|", "$gitbin/git-diff-tree -r $parent $rev $file_name";
			my (@difftree) = map { chomp; $_ } <$fd>;
			close $fd;

			foreach my $line (@difftree) {
				$line =~ m/^(.)(.*)\t(.*)\t(.*)\t(.*)$/;
				my $file = $5;
				if ($file eq $file_name) {
					$found = 1;
					last;
				}
			}
		}
		if ($found) {
			print $co{'age_string'} . "\t " . $co{'author_name'} . "  - " . $co{'title'} . " " .
			      $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$rev", -class => "link"}, "view") ."\n";
		}
	}
	print "

\n"; print "

"; git_footer_html(); } else { die_error("", "unknown action"); }