use Fcntl ':mode';
binmode STDOUT, ':utf8';
-my $cgi = new CGI;
-my $version = "267";
-my $my_url = $cgi->url();
-my $my_uri = $cgi->url(-absolute => 1);
-my $rss_link = "";
+our $cgi = new CGI;
+our $version = "267";
+our $my_url = $cgi->url();
+our $my_uri = $cgi->url(-absolute => 1);
+our $rss_link = "";
-# location of the git-core binaries
-my $gitbin = "/usr/bin";
+# core git executable to use
+# this can just be "git" if your webserver has a sensible PATH
+our $GIT = "/usr/bin/git";
# absolute fs-path which will be prepended to the project path
-#my $projectroot = "/pub/scm";
-my $projectroot = "/home/kay/public_html/pub/scm";
+#our $projectroot = "/pub/scm";
+our $projectroot = "/home/kay/public_html/pub/scm";
-# version of the git-core binaries
-my $git_version = qx($gitbin/git --version);
-if ($git_version =~ m/git version (.*)$/) {
- $git_version = $1;
-} else {
- $git_version = "unknown";
-}
+# version of the core git binary
+our $git_version = qx($GIT --version) =~ m/git version (.*)$/ ? $1 : "unknown";
# location for temporary files needed for diffs
-my $git_temp = "/tmp/gitweb";
+our $git_temp = "/tmp/gitweb";
+if (! -d $git_temp) {
+ mkdir($git_temp, 0700) || die_error("Couldn't mkdir $git_temp");
+}
# target of the home link on top of all pages
-my $home_link = $my_uri;
+our $home_link = $my_uri;
+
+# name of your site or organization to appear in page titles
+# replace this with something more descriptive for clearer bookmarks
+our $site_name = $ENV{'SERVER_NAME'} || "Untitled";
# html text to include at home page
-my $home_text = "indextext.html";
+our $home_text = "indextext.html";
# URI of default stylesheet
-my $stylesheet = "gitweb.css";
+our $stylesheet = "gitweb.css";
# source of projects list
-#my $projects_list = $projectroot;
-my $projects_list = "index/index.aux";
+#our $projects_list = $projectroot;
+our $projects_list = "index/index.aux";
# default blob_plain mimetype and default charset for text/plain blob
-my $default_blob_plain_mimetype = 'text/plain';
-my $default_text_plain_charset = undef;
+our $default_blob_plain_mimetype = 'text/plain';
+our $default_text_plain_charset = undef;
# file to use for guessing MIME types before trying /etc/mime.types
# (relative to the current git repository)
-my $mimetypes_file = undef;
-
+our $mimetypes_file = undef;
# input validation and dispatch
-my $action = $cgi->param('a');
+our $action = $cgi->param('a');
if (defined $action) {
if ($action =~ m/[^0-9a-zA-Z\.\-_]/) {
undef $action;
}
}
-my $order = $cgi->param('o');
+our $order = $cgi->param('o');
if (defined $order) {
if ($order =~ m/[^0-9a-zA-Z_]/) {
undef $order;
}
}
-my $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
+our $project = ($cgi->param('p') || $ENV{'PATH_INFO'});
if (defined $project) {
$project =~ s|^/||; $project =~ s|/$||;
$project = validate_input($project);
exit;
}
-my $file_name = $cgi->param('f');
+our $file_name = $cgi->param('f');
if (defined $file_name) {
$file_name = validate_input($file_name);
if (!defined($file_name)) {
}
}
-my $hash = $cgi->param('h');
+our $hash = $cgi->param('h');
if (defined $hash) {
$hash = validate_input($hash);
if (!defined($hash)) {
}
}
-my $hash_parent = $cgi->param('hp');
+our $hash_parent = $cgi->param('hp');
if (defined $hash_parent) {
$hash_parent = validate_input($hash_parent);
if (!defined($hash_parent)) {
}
}
-my $hash_base = $cgi->param('hb');
+our $hash_base = $cgi->param('hb');
if (defined $hash_base) {
$hash_base = validate_input($hash_base);
if (!defined($hash_base)) {
}
}
-my $page = $cgi->param('pg');
+our $page = $cgi->param('pg');
if (defined $page) {
if ($page =~ m/[^0-9]$/) {
undef $page;
}
}
-my $searchtext = $cgi->param('s');
+our $searchtext = $cgi->param('s');
if (defined $searchtext) {
if ($searchtext =~ m/[^a-zA-Z0-9_\.\/\-\+\:\@ ]/) {
undef $searchtext;
my $status = shift || "200 OK";
my $expires = shift;
- my $title = "git";
+ my $title = "$site_name git";
if (defined $project) {
$title .= " - $project";
if (defined $action) {
}
}
}
- print $cgi->header(-type=>'text/html', -charset => 'utf-8', -status=> $status, -expires => $expires);
+ my $content_type;
+ # require explicit support from the UA if we are to send the page as
+ # 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
+ # we have to do this because MSIE sometimes globs '*/*', pretending to
+ # support xhtml+xml but choking when it gets what it asked for.
+ if ($cgi->http('HTTP_ACCEPT') =~ m/(,|;|\s|^)application\/xhtml\+xml(,|;|\s|$)/ && $cgi->Accept('application/xhtml+xml') != 0) {
+ $content_type = 'application/xhtml+xml';
+ } else {
+ $content_type = 'text/html';
+ }
+ print $cgi->header(-type=>$content_type, -charset => 'utf-8', -status=> $status, -expires => $expires);
print <<EOF;
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<!-- git web interface v$version, (C) 2005-2006, Kay Sievers <kay.sievers\@vrfy.org>, Christian Gierke -->
<!-- git core binaries version $git_version -->
<head>
-<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
+<meta http-equiv="content-type" content="$content_type; charset=utf-8"/>
<meta name="robots" content="index, nofollow"/>
<title>$title</title>
<link rel="stylesheet" type="text/css" href="$stylesheet"/>
sub git_get_type {
my $hash = shift;
- open my $fd, "-|", "$gitbin/git-cat-file -t $hash" or return;
+ open my $fd, "-|", "$GIT cat-file -t $hash" or return;
my $type = <$fd>;
close $fd or return;
chomp $type;
my $oENV = $ENV{'GIT_DIR'};
my $retval = undef;
$ENV{'GIT_DIR'} = "$projectroot/$project";
- if (open my $fd, "-|", "$gitbin/git-rev-parse", "--verify", "HEAD") {
+ if (open my $fd, "-|", $GIT, "rev-parse", "--verify", "HEAD") {
my $head = <$fd>;
close $fd;
if (defined $head && $head =~ /^([0-9a-fA-F]{40})$/) {
my %tag;
my @comment;
- open my $fd, "-|", "$gitbin/git-cat-file tag $tag_id" or return;
+ open my $fd, "-|", "$GIT cat-file tag $tag_id" or return;
$tag{'id'} = $tag_id;
while (my $line = <$fd>) {
chomp $line;
@commit_lines = @$commit_text;
} else {
$/ = "\0";
- open my $fd, "-|", "$gitbin/git-rev-list --header --parents --max-count=1 $commit_id" or return;
+ open my $fd, "-|", "$GIT rev-list --header --parents --max-count=1 $commit_id" or return;
@commit_lines = split '\n', <$fd>;
close $fd or return;
$/ = "\n";
if (defined $from) {
$from_tmp = "$git_temp/gitweb_" . $$ . "_from";
open my $fd2, "> $from_tmp";
- open my $fd, "-|", "$gitbin/git-cat-file blob $from";
+ open my $fd, "-|", "$GIT cat-file blob $from";
my @file = <$fd>;
print $fd2 @file;
close $fd2;
if (defined $to) {
$to_tmp = "$git_temp/gitweb_" . $$ . "_to";
open my $fd2, "> $to_tmp";
- open my $fd, "-|", "$gitbin/git-cat-file blob $to";
+ open my $fd, "-|", "$GIT cat-file blob $to";
my @file = <$fd>;
print $fd2 @file;
close $fd2;
if (-d $projects_list) {
# search in directory
my $dir = $projects_list;
- opendir my $dh, $dir or return undef;
+ opendir my ($dh), $dir or return undef;
while (my $dir = readdir($dh)) {
if (-e "$projectroot/$dir/HEAD") {
my $pr = {
# 'git%2Fgit.git Linus+Torvalds'
# 'libs%2Fklibc%2Fklibc.git H.+Peter+Anvin'
# 'linux%2Fhotplug%2Fudev.git Greg+Kroah-Hartman'
- open my $fd , $projects_list or return undef;
+ open my ($fd), $projects_list or return undef;
while (my $line = <$fd>) {
chomp $line;
my ($path, $owner) = split ' ', $line;
$key =~ s/^gitweb\.//;
return if ($key =~ m/\W/);
- my $val = qx($gitbin/git-repo-config --get gitweb.$key);
+ my $val = qx($GIT repo-config --get gitweb.$key);
return ($val);
}
"<tr><td>owner</td><td>$owner</td></tr>\n" .
"<tr><td>last change</td><td>$cd{'rfc2822'}</td></tr>\n" .
"</table>\n";
- open my $fd, "-|", "$gitbin/git-rev-list --max-count=17 " . git_read_head($project) or die_error(undef, "Open failed.");
+ open my $fd, "-|", "$GIT rev-list --max-count=17 " . git_read_head($project) or die_error(undef, "Open failed.");
my (@revlist) = map { chomp; $_ } <$fd>;
close $fd;
print "<div>\n" .
"</td>\n" .
"<td>";
if (defined($comment)) {
- print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, $comment);
+ print $cgi->a({-class => "list", -href => "$my_uri?" . esc_param("p=$project;a=tag;h=$tag{'id'}")}, esc_html($comment));
}
print "</td>\n" .
"<td class=\"link\">";
$hash = git_get_hash_by_path($hash_base, $file_name, "blob")
or die_error(undef, "Error lookup file.");
}
- open ($fd, "-|", "$gitbin/git-annotate", '-l', '-t', '-r', $file_name, $hash_base)
+ open ($fd, "-|", $GIT, "annotate", '-l', '-t', '-r', $file_name, $hash_base)
or die_error(undef, "Open failed.");
git_header_html();
print "<div class=\"page_nav\">\n" .
my $tree = $base;
my @parts = split '/', $path;
while (my $part = shift @parts) {
- open my $fd, "-|", "$gitbin/git-ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
+ open my $fd, "-|", "$GIT ls-tree $tree" or die_error(undef, "Open git-ls-tree failed.");
my (@entries) = map { chomp; $_ } <$fd>;
close $fd or return undef;
foreach my $line (@entries) {
}
}
-sub git_blob {
- if (!defined $hash && defined $file_name) {
- my $base = $hash_base || git_read_head($project);
- $hash = git_get_hash_by_path($base, $file_name, "blob") || die_error(undef, "Error lookup file.");
- }
- my $have_blame = git_get_project_config_bool ('blame');
- open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or die_error(undef, "Open failed.");
- git_header_html();
- if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
- print "<div class=\"page_nav\">\n" .
- $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
- " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
- " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
- " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
- " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
- " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
- if (defined $file_name) {
- if ($have_blame) {
- print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") . " | ";
- }
- print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
- " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head") . "<br/>\n";
- } else {
- print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain") . "<br/>\n";
- }
- print "</div>\n".
- "<div>" .
- $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
- "</div>\n";
- } else {
- print "<div class=\"page_nav\">\n" .
- "<br/><br/></div>\n" .
- "<div class=\"title\">$hash</div>\n";
- }
- if (defined $file_name) {
- print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
- }
- print "<div class=\"page_body\">\n";
- my $nr;
- while (my $line = <$fd>) {
- chomp $line;
- $nr++;
- while ((my $pos = index($line, "\t")) != -1) {
- if (my $count = (8 - ($pos % 8))) {
- my $spaces = ' ' x $count;
- $line =~ s/\t/$spaces/;
- }
- }
- printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
- }
- close $fd or print "Reading blob failed.\n";
- print "</div>";
- git_footer_html();
-}
-
sub mimetype_guess_file {
my $filename = shift;
my $mimemap = shift;
my $fd = shift;
my $filename = shift;
- # just in case
- return $default_blob_plain_mimetype unless $fd;
-
if ($filename) {
my $mime = mimetype_guess($filename);
$mime and return $mime;
}
+ # just in case
+ return $default_blob_plain_mimetype unless $fd;
+
if (-T $fd) {
return 'text/plain' .
($default_text_plain_charset ? '; charset='.$default_text_plain_charset : '');
}
sub git_blob_plain {
- open my $fd, "-|", "$gitbin/git-cat-file blob $hash" or return;
- my $type = git_blob_plain_mimetype($fd, $file_name);
+ my $type = shift;
+ open my $fd, "-|", "$GIT cat-file blob $hash" or die_error("Couldn't cat $file_name, $hash");
+
+ $type ||= git_blob_plain_mimetype($fd, $file_name);
# save as filename, even when no $file_name is given
my $save_as = "$hash";
close $fd;
}
+sub git_blob {
+ if (!defined $hash && defined $file_name) {
+ my $base = $hash_base || git_read_head($project);
+ $hash = git_get_hash_by_path($base, $file_name, "blob") || die_error(undef, "Error lookup file.");
+ }
+ my $have_blame = git_get_project_config_bool ('blame');
+ open my $fd, "-|", "$GIT cat-file blob $hash" or die_error(undef, "Open failed.");
+ my $mimetype = git_blob_plain_mimetype($fd, $file_name);
+ if ($mimetype !~ m/^text\//) {
+ close $fd;
+ return git_blob_plain($mimetype);
+ }
+ git_header_html();
+ if (defined $hash_base && (my %co = git_read_commit($hash_base))) {
+ print "<div class=\"page_nav\">\n" .
+ $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=summary")}, "summary") .
+ " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=shortlog")}, "shortlog") .
+ " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=log")}, "log") .
+ " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base")}, "commit") .
+ " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commitdiff;h=$hash_base")}, "commitdiff") .
+ " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$co{'tree'};hb=$hash_base")}, "tree") . "<br/>\n";
+ if (defined $file_name) {
+ if ($have_blame) {
+ print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$hash;hb=$hash_base;f=$file_name")}, "blame") . " | ";
+ }
+ print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash;f=$file_name")}, "plain") .
+ " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;hb=HEAD;f=$file_name")}, "head") . "<br/>\n";
+ } else {
+ print $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$hash")}, "plain") . "<br/>\n";
+ }
+ print "</div>\n".
+ "<div>" .
+ $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=commit;h=$hash_base"), -class => "title"}, esc_html($co{'title'})) .
+ "</div>\n";
+ } else {
+ print "<div class=\"page_nav\">\n" .
+ "<br/><br/></div>\n" .
+ "<div class=\"title\">$hash</div>\n";
+ }
+ if (defined $file_name) {
+ print "<div class=\"page_path\"><b>" . esc_html($file_name) . "</b></div>\n";
+ }
+ print "<div class=\"page_body\">\n";
+ my $nr;
+ while (my $line = <$fd>) {
+ chomp $line;
+ $nr++;
+ while ((my $pos = index($line, "\t")) != -1) {
+ if (my $count = (8 - ($pos % 8))) {
+ my $spaces = ' ' x $count;
+ $line =~ s/\t/$spaces/;
+ }
+ }
+ printf "<div class=\"pre\"><a id=\"l%i\" href=\"#l%i\" class=\"linenr\">%4i</a> %s</div>\n", $nr, $nr, $nr, esc_html($line);
+ }
+ close $fd or print "Reading blob failed.\n";
+ print "</div>";
+ git_footer_html();
+}
+
sub git_tree {
if (!defined $hash) {
$hash = git_read_head($project);
}
}
$/ = "\0";
- open my $fd, "-|", "$gitbin/git-ls-tree -z $hash" or die_error(undef, "Open git-ls-tree failed.");
+ open my $fd, "-|", "$GIT ls-tree -z $hash" or die_error(undef, "Open git-ls-tree failed.");
chomp (my (@entries) = <$fd>);
close $fd or die_error(undef, "Reading tree failed.");
$/ = "\n";
$cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob;h=$t_hash$base_key;f=$base$t_name")}, "blob") .
# " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blame;h=$t_hash$base_key;f=$base$t_name")}, "blame") .
" | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=history;h=$hash_base;f=$base$t_name")}, "history") .
+ " | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=blob_plain;h=$t_hash;f=$base$t_name")}, "raw") .
"</td>\n";
} elsif ($t_type eq "tree") {
print "<td class=\"list\">" .
sub git_rss {
# http://www.notestips.com/80256B3A007F2692/1/NAMO5P9UPQ
- open my $fd, "-|", "$gitbin/git-rev-list --max-count=150 " . git_read_head($project) or die_error(undef, "Open failed.");
+ open my $fd, "-|", "$GIT rev-list --max-count=150 " . git_read_head($project) or die_error(undef, "Open failed.");
my (@revlist) = map { chomp; $_ } <$fd>;
close $fd or die_error(undef, "Reading rev-list failed.");
print $cgi->header(-type => 'text/xml', -charset => 'utf-8');
last;
}
my %cd = date_str($co{'committer_epoch'});
- open $fd, "-|", "$gitbin/git-diff-tree -r $co{'parent'} $co{'id'}" or next;
+ open $fd, "-|", "$GIT diff-tree -r $co{'parent'} $co{'id'}" or next;
my @difftree = map { chomp; $_ } <$fd>;
close $fd or next;
print "<item>\n" .
print "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n".
"<opml version=\"1.0\">\n".
"<head>".
- " <title>Git OPML Export</title>\n".
+ " <title>$site_name Git OPML Export</title>\n".
"</head>\n".
"<body>\n".
"<outline text=\"git RSS feeds\">\n";
" | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
- open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
+ open my $fd, "-|", "$GIT rev-list $limit $hash" or die_error(undef, "Open failed.");
my (@revlist) = map { chomp; $_ } <$fd>;
close $fd;
$root = " --root";
$parent = "";
}
- open my $fd, "-|", "$gitbin/git-diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
+ open my $fd, "-|", "$GIT diff-tree -r -M $root $parent $hash" or die_error(undef, "Open failed.");
@difftree = map { chomp; $_ } <$fd>;
close $fd or die_error(undef, "Reading diff-tree failed.");
if (!defined $hash_parent) {
$hash_parent = $co{'parent'};
}
- open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
+ open my $fd, "-|", "$GIT diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
my (@difftree) = map { chomp; $_ } <$fd>;
close $fd or die_error(undef, "Reading diff-tree failed.");
sub git_commitdiff_plain {
mkdir($git_temp, 0700);
- open my $fd, "-|", "$gitbin/git-diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
+ open my $fd, "-|", "$GIT diff-tree -r $hash_parent $hash" or die_error(undef, "Open failed.");
my (@difftree) = map { chomp; $_ } <$fd>;
close $fd or die_error(undef, "Reading diff-tree failed.");
# try to figure out the next tag after this commit
my $tagname;
my $refs = read_info_ref("tags");
- open $fd, "-|", "$gitbin/git-rev-list HEAD";
+ open $fd, "-|", "$GIT rev-list HEAD";
chomp (my (@commits) = <$fd>);
close $fd;
foreach my $commit (@commits) {
print "<div class=\"page_path\"><b>/" . esc_html($file_name) . "</b><br/></div>\n";
open my $fd, "-|",
- "$gitbin/git-rev-list --full-history $hash -- \'$file_name\'";
+ "$GIT rev-list --full-history $hash -- \'$file_name\'";
print "<table cellspacing=\"0\">\n";
my $alternate = 0;
while (my $line = <$fd>) {
my $alternate = 0;
if ($commit_search) {
$/ = "\0";
- open my $fd, "-|", "$gitbin/git-rev-list --header --parents $hash" or next;
+ open my $fd, "-|", "$GIT rev-list --header --parents $hash" or next;
while (my $commit_text = <$fd>) {
if (!grep m/$searchtext/i, $commit_text) {
next;
if ($pickaxe_search) {
$/ = "\n";
- open my $fd, "-|", "$gitbin/git-rev-list $hash | $gitbin/git-diff-tree -r --stdin -S\'$searchtext\'";
+ open my $fd, "-|", "$GIT rev-list $hash | $GIT diff-tree -r --stdin -S\'$searchtext\'";
undef %co;
my @files;
while (my $line = <$fd>) {
" | " . $cgi->a({-href => "$my_uri?" . esc_param("p=$project;a=tree;h=$hash;hb=$hash")}, "tree") . "<br/>\n";
my $limit = sprintf("--max-count=%i", (100 * ($page+1)));
- open my $fd, "-|", "$gitbin/git-rev-list $limit $hash" or die_error(undef, "Open failed.");
+ open my $fd, "-|", "$GIT rev-list $limit $hash" or die_error(undef, "Open failed.");
my (@revlist) = map { chomp; $_ } <$fd>;
close $fd;