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|
#!/usr/bin/perl
# gitweb.pl - simple web interface to track changes in git repositories
#
# (C) 2005, Kay Sievers <kay.sievers@vrfy.org>
# (C) 2005, Christian Gierke <ch@gierke.de>
#
# 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 = "053";
my $projectroot = "/pub/scm";
my $defaultprojects = "linux/kernel/git";
my $gitbin = "/usr/bin";
my $gittmp = "/tmp/gitweb";
my $giturl = "/pub/software/scm/cogito";
my $my_url = $cgi->url();
my $my_uri = $cgi->url(-absolute => 1);
mkdir($gittmp, 0700);
my $project = $cgi->param('p');
my $action = $cgi->param('a');
my $hash = $cgi->param('h');
my $hash_parent = $cgi->param('hp');
my $time_back = $cgi->param('t');
if (!(defined($time_back))) {
$time_back = 1;
}
$ENV{'SHA1_FILE_DIRECTORY'} = "$projectroot/$project/objects";
# sanitize input
$action =~ s/[^0-9a-zA-Z\.\-]//g;
$hash =~ s/[^0-9a-fA-F]//g;
$hash_parent =~ s/[^0-9a-fA-F]//g;
$time_back =~ s/[^0-9]+//g;
if (defined($project) && $project =~ /(^|\/)(|\.|\.\.)($|\/)/) {
print $cgi->header(-type=>'text/plain', -status=>'403 Permission denied');
print "Malformed query, file missing or permission denied\n";
exit 0;
}
$project =~ s/|//g;
sub git_header_html {
print $cgi->header(-type => 'text/html', -charset => 'utf-8');
print <<EOF;
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<title>git - $project $action</title>
<link rel="alternate" title="$project log" href="$my_uri?p=$project;a=rss" type="application/rss+xml"/>
<style type="text/css">
body { font-family: sans-serif; font-size: 12px; margin:0px; }
a { color:#0000cc; }
a:hover { color:#880000; }
a:visited { color:#880000; }
a:active { color:#880000; }
div.page_header {
margin:15px 25px 0px; height:25px; padding:8px;
font-size:18px; clear:both; font-weight:bold; background-color: #d9d8d1;
}
div.page_header a:visited { color:#0000cc; }
div.page_nav { margin:0px 25px; padding:8px; clear:both; border:solid #d9d8d1; border-width:0px 1px; }
div.page_nav a:visited { color:#0000cc; }
div.page_footer {
margin:0px 25px 15px; height:17px; padding:4px; padding-left:8px;
clear:both; background-color: #d9d8d1;
}
div.page_footer_text { float:left; color:#888888; font-size:10px;}
div.page_body { margin:0px 25px; padding:8px; clear:both; border: solid #d9d8d1; border-width:0px 1px; }
a.log_title {
display:block; margin:0px 25px; padding:8px; clear:both;
font-weight:bold; background-color: #d9d8d1; text-decoration:none; color:#000000;
}
a.log_title:hover { background-color: #c9c8c1; }
a.xml_logo { float:right; border:1px solid;
line-height:15px;
border-color:#fcc7a5 #7d3302 #3e1a01 #ff954e; width:35px;
color:#ffffff; background-color:#ff6600;
font-weight:bold; font-family:sans-serif; text-align:center;
font-size:11px; display:block; text-decoration:none;
}
a.xml_logo:hover { background-color:#ee5500; }
div.log_head {
margin:0px 25px; min-height: 30px; padding:8px; clear:both;
border: solid #d9d8d1; border-width:0px 1px; font-family:monospace;
background-color: #edece6;
}
div.log_body {
margin:0px 25px; padding:8px; padding-left:150px; clear:both;
border:solid #d9d8d1; border-width:0px 1px;
}
span.log_age { position:relative; float:left; width:142px; }
div.log_functions { font-size:10px; font-family:sans-serif; position:relative; float:left; width:142px; }
div.signed_off { color: #a9a8a1; }
</style>
</head>
<body>
EOF
print "<div class=\"page_header\">\n" .
"<a href=\"$giturl\">" .
"<img src=\"$my_uri?a=git-logo.png\" width=\"72\" height=\"27\" alt=\"git\" style=\"float:right; border-width:0px;\"/></a>";
if ($defaultprojects ne "") {
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 "</div>\n";
}
sub git_footer_html {
print "<div class=\"page_footer\">";
print "<div class=\"page_footer_text\">version $version</div>";
if ($project ne '') {
print $cgi->a({-href => "$my_uri?p=$project;a=rss", -class => "xml_logo"}, "XML") . "\n";
}
print "</div>";
print "</body>\n</html>";
}
sub git_head {
my $path = shift;
open my $fd, "$projectroot/$path/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/^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/ <.*//;
}
}
$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 = $$;
# create tmp from-file
if ($from ne "") {
$from_tmp = "$gittmp/gitweb_" . $$ . "_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 -u -p -L $from_label -L $to_label $from_tmp $to_tmp";
print "<span style=\"color: #000099;\">===== ";
if ($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 " =====</span>\n";
while (my $line = <$fd>) {
my $char = substr($line,0,1);
print '<span style="color: #008800;">' if $char eq '+';
print '<span style="color: #CC0000;">' if $char eq '-';
print '<span style="color: #990099;">' if $char eq '@';
print escapeHTML($line);
print '</span>' 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) {
$modestr .= 'drwxrwxr-x';
} else {
# git cares only about the executable bit
if ($perms & 0100) {
$modestr .= '-rwxrwxr-x';
} else {
$modestr .= '-rw-rw-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 $cgi->header(-type => 'image/png', -expires => '+1d');
print "\211\120\116\107\015\012\032\012\000\000\000\015\111\110\104\122".
"\000\000\000\110\000\000\000\033\004\003\000\000\000\055\331\324".
"\055\000\000\000\030\120\114\124\105\377\377\377\140\140\135\260".
"\257\252\000\200\000\316\315\307\300\000\000\350\350\346\367\367".
"\366\225\014\247\107\000\000\000\163\111\104\101\124\050\317\143".
"\110\147\040\004\112\134\030\012\010\052\142\123\141\040\002\010".
"\015\151\105\254\241\241\001\060\014\223\140\066\046\122\221\261".
"\001\021\326\341\125\144\154\154\314\154\154\014\242\014\160\052".
"\142\006\052\301\142\035\263\001\002\123\244\010\350\000\003\030".
"\046\126\021\324\341\040\227\033\340\264\016\065\044\161\051\202".
"\231\060\270\223\012\021\271\105\210\301\215\240\242\104\041\006".
"\047\101\202\100\205\301\105\211\040\160\001\000\244\075\041\305".
"\022\034\232\376\000\000\000\000\111\105\116\104\256\102\140\202";
exit;
}
# show list of default projects
if ($project eq "") {
opendir(my $fd, "$projectroot/$defaultprojects");
my (@users) = sort grep(!/^\./, readdir($fd));
closedir($fd);
git_header_html();
print "<div class=\"page_body\">\n";
print "<br/><br/>\n";
foreach my $user (@users) {
opendir($fd, "$projectroot/$defaultprojects/$user");
my (@repos) = sort grep(/\.git$/, readdir($fd));
closedir($fd);
foreach my $repo (@repos) {
if (-e "$projectroot/$defaultprojects/$user/$repo/HEAD") {
print $cgi->a({-href => "$my_uri?p=$defaultprojects/$user/$repo;a=log"}, "$defaultprojects/$user/$repo") . "<br/>\n";
}
}
}
print "<br/></div>";
git_footer_html();
exit;
}
if ($action eq "") {
$action = "log";
}
if ($action eq "blob") {
git_header_html();
print "<div class=\"page_body\"><pre><br/><br/>\n";
open my $fd, "-|", "$gitbin/cat-file blob $hash";
my $nr;
while (my $line = <$fd>) {
$nr++;
printf "<span style =\"color: #999999;\">%4i\t</span>%s", $nr, escapeHTML($line);;
}
close $fd;
print "<br/><br/></pre>\n";
print "</div>";
git_footer_html();
} elsif ($action eq "tree") {
if ($hash eq "") {
$hash = git_head($project);
}
open my $fd, "-|", "$gitbin/ls-tree $hash";
my (@entries) = map { chomp; $_ } <$fd>;
close $fd;
git_header_html();
print "<div class=\"page_body\">\n";
print "<br/><pre>\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?p=$project;a=blob;h=$t_hash"}, $t_name) . "\n";
} elsif ($t_type eq "tree") {
print mode_str($t_mode). " " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$t_hash"}, $t_name) . "\n";
}
}
print "</pre>\n";
print "<br/></div>";
git_footer_html();
} elsif ($action eq "log" || $action eq "rss") {
open my $fd, "-|", "$gitbin/rev-list " . git_head($project);
my (@revtree) = map { chomp; $_ } <$fd>;
close $fd;
if ($action eq "log") {
git_header_html();
print "<div class=\"page_nav\">\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=$project;a=log;t=0"}, "all") . "<br/>\n";
print "<br/><br/>\n" .
"</div>\n";
} elsif ($action eq "rss") {
print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
"<rss version=\"0.91\">\n";
print "<channel>\n";
print "<title>$project</title>\n".
"<link> " . $my_url . "/$project/log</link>\n".
"<description>$project log</description>\n".
"<language>en</language>\n";
}
for (my $i = 0; $i <= $#revtree; $i++) {
my $commit = $revtree[$i];
my %co = git_commit($commit);
my %ad = date_str($co{'author_epoch'});
my $age = time - $co{'committer_epoch'};
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 ($time_back > 0 && $age > $time_back*60*60*24) {
if ($i == 0) {
print "<div class=\"page_body\"> Last change $age_string.<br/><br/></div>\n";
}
last;
}
print "<div><a href=\"$my_uri?p=$project;a=commit;h=$commit\" class=\"log_title\">\n" .
"<span class=\"log_age\">" . $age_string . "</span>\n" . escapeHTML($co{'title'}) . "</a>\n" .
"</div>\n";
print "<div class=\"log_head\">\n" .
"<div class=\"log_functions\">\n" .
$cgi->a({-href => "$my_uri?p=$project;a=commit;h=$commit"}, "view commit") . "<br/>\n" .
$cgi->a({-href => "$my_uri?p=$project;a=commitdiff;h=$commit"}, "view diff") . "<br/>\n" .
"</div>\n" .
escapeHTML($co{'author_name'}) . " [" . $ad{'rfc2822'} . "]<br/>\n" .
"</div>\n" .
"<div class=\"log_body\">\n";
my $comment = $co{'comment'};
foreach my $line (@$comment) {
if ($line =~ m/^(signed-off|acked)-by:/i) {
print '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
} else {
print escapeHTML($line) . "<br/>\n";
}
}
print "<br/><br/>\n" .
"</div>\n";
} elsif ($action eq "rss") {
last if ($i >= 20);
print "<item>\n" .
"\t<title>" . sprintf("%d %s %02d:%02d", $ad{'mday'}, $ad{'month'}, $ad{'hour'}, $ad{'min'}) . " - " . escapeHTML($co{'title'}) . "</title>\n" .
"\t<link> " . $my_url . "?p=$project;a==commit;h=$commit</link>\n" .
"\t<description>";
my $comment = $co{'comment'};
foreach my $line (@$comment) {
print escapeHTML($line) . "\n";
}
print "\t</description>\n" .
"</item>\n";
}
}
if ($action eq "log") {
git_footer_html();
} elsif ($action eq "rss") {
print "</channel></rss>";
}
} elsif ($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/diff-tree -r " . $co{'parent'} . " $hash";
my (@difftree) = map { chomp; $_ } <$fd>;
close $fd;
git_header_html();
print "<div class=\"page_nav\"> 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"}, "diff") . "\n" .
"<br/><br/></div>\n";
print "<a class=\"log_title\" href=\"$my_uri?p=$project;a=commitdiff;h=$hash\">$co{'title'}</a>\n";
print "<div class=\"log_head\">\n";
print "author " . escapeHTML($co{'author'}) . "<br/>\n";
print "author-time " . $ad{'rfc2822'};
if ($ad{'hour_local'} < 6) { print "<span style=\"color: #cc0000;\">"; }
printf(" (%02d:%02d %s)", $ad{'hour_local'}, $ad{'minute_local'}, $ad{'tz_local'});
if ($ad{'hour_local'} < 6 ) { print "</span>"; }
print "<br/>\n";
print "committer " . escapeHTML($co{'committer'}) . "<br/>\n";
print "commit-time " . $ad{'rfc2822'};
printf(" (%02d:%02d %s)", $cd{'hour_local'}, $cd{'minute_local'}, $cd{'tz_local'});
print "<br/>\n";
print "commit   $hash<br/>\n";
print "tree  " . $cgi->a({-href => "$my_uri?p=$project;a=tree;h=$co{'tree'}"}, $co{'tree'}) . "<br/>\n";
my $parents = $co{'parents'};
foreach my $par (@$parents) {
print "parent    " . $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$par"}, $par) . "<br/>\n";
}
print "</div>\n";
print "<div class=\"page_body\">\n";
my $comment = $co{'comment'};
foreach my $line (@$comment) {
if ($line =~ m/(signed-off|acked)-by:/i) {
print '<div class="signed_off">' . escapeHTML($line) . "<br/></div>\n";
} else {
print escapeHTML($line) . "<br/>\n";
}
}
print "<br/><br/>\n";
print "<pre>\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 ($op eq "+") {
print "$modestr " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$id"}, $file) . " (new)\n";
} elsif ($op eq "-") {
print "$modestr " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;hp=$id"}, $file) . " (removed)\n";
} elsif ($op eq "*") {
$id =~ m/([0-9a-fA-F]+)->([0-9a-fA-F]+)/;
my $from = $1;
my $to = $2;
print "$modestr " . $cgi->a({-href => "$my_uri?p=$project;a=blobdiff;h=$to;hp=$from"}, $file) . "\n";
}
}
}
print "</pre>\n" .
"<br/></div>\n";
git_footer_html();
} elsif ($action eq "blobdiff") {
git_header_html();
print "<div class=\"page_body\"><br/><br/>\n" .
"<pre>\n";
git_diff_html($hash_parent, $hash, $hash_parent, $hash);
print "</pre>\n" .
"<br/></div>";
git_footer_html();
} elsif ($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 "<div class=\"page_nav\"> 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"}, "diff") . "\n" .
"<br/><br/></div>\n";
print $cgi->a({-href => "$my_uri?p=$project;a=commit;h=$hash", -class => "log_title"}, $co{'title'}) ."\n";
print "<div class=\"page_body\">\n" .
"<pre>\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 "<br/></pre>\n";
print "</div>";
git_footer_html();
} else {
git_header_html();
print "<div class=\"page_body\">\n" .
"<br/><br/>\n";
print "unknown action\n";
print "<br/></div>\n";
git_footer_html();
}
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