use File::Basename qw(basename);
binmode STDOUT, ':utf8';
+our $t0;
+if (eval { require Time::HiRes; 1; }) {
+ $t0 = [Time::HiRes::gettimeofday()];
+}
+our $number_of_git_cmds = 0;
+
BEGIN {
CGI->compile() if $ENV{'MOD_PERL'};
}
our $logo = "++GITWEB_LOGO++";
# URI of GIT favicon, assumed to be image/png type
our $favicon = "++GITWEB_FAVICON++";
+# URI of gitweb.js (JavaScript code for gitweb)
+our $javascript = "++GITWEB_JS++";
# URI and label (title) of GIT logo link
#our $logo_url = "http://www.kernel.org/pub/software/scm/git/docs/";
'double' => 32
);
+# Used to set the maximum load that we will still respond to gitweb queries.
+# If server load exceed this value then return "503 server busy" error.
+# If gitweb cannot determined server load, it is taken to be 0.
+# Leave it undefined (or set to 'undef') to turn off load checking.
+our $maxload = 300;
+
# You define site-wide feature defaults here; override them with
# $GITWEB_CONFIG as necessary.
our %feature = (
'sub' => \&feature_avatar,
'override' => 0,
'default' => ['']},
+
+ # Enable displaying how much time and how many git commands
+ # it took to generate and display page. Disabled by default.
+ # Project specific override is not supported.
+ 'timed' => {
+ 'override' => 0,
+ 'default' => [0]},
+
+ # Enable turning some links into links to actions which require
+ # JavaScript to run (like 'blame_incremental'). Not enabled by
+ # default. Project specific override is currently not supported.
+ 'javascript-actions' => {
+ 'override' => 0,
+ 'default' => [0]},
);
sub gitweb_get_feature {
do $GITWEB_CONFIG_SYSTEM if -e $GITWEB_CONFIG_SYSTEM;
}
+# Get loadavg of system, to compare against $maxload.
+# Currently it requires '/proc/loadavg' present to get loadavg;
+# if it is not present it returns 0, which means no load checking.
+sub get_loadavg {
+ if( -e '/proc/loadavg' ){
+ open my $fd, '<', '/proc/loadavg'
+ or return 0;
+ my @load = split(/\s+/, scalar <$fd>);
+ close $fd;
+
+ # The first three columns measure CPU and IO utilization of the last one,
+ # five, and 10 minute periods. The fourth column shows the number of
+ # currently running processes and the total number of processes in the m/n
+ # format. The last column displays the last process ID used.
+ return $load[0] || 0;
+ }
+ # additional checks for load average should go here for things that don't export
+ # /proc/loadavg
+
+ return 0;
+}
+
# version of the core git binary
our $git_version = qx("$GIT" --version) =~ m/git version (.*)$/ ? $1 : "unknown";
+$number_of_git_cmds++;
$projects_list ||= $projectroot;
+if (defined $maxload && get_loadavg() > $maxload) {
+ die_error(503, "The load average on the server is too high");
+}
+
# ======================================================================
# input validation and dispatch
snapshot_format => "sf",
extra_options => "opt",
search_use_regexp => "sr",
+ # this must be last entry (for manipulation from JavaScript)
+ javascript => "js"
);
our %cgi_param_mapping = @cgi_param_mapping;
# we will also need to know the possible actions, for validation
our %actions = (
"blame" => \&git_blame,
+ "blame_incremental" => \&git_blame_incremental,
+ "blame_data" => \&git_blame_data,
"blobdiff" => \&git_blobdiff,
"blobdiff_plain" => \&git_blobdiff_plain,
"blob" => \&git_blob,
# in utf-8 thanks to "binmode STDOUT, ':utf8'" at beginning
sub to_utf8 {
my $str = shift;
+ return undef unless defined $str;
if (utf8::valid($str)) {
utf8::decode($str);
return $str;
# correct, but quoted slashes look too horrible in bookmarks
sub esc_param {
my $str = shift;
+ return undef unless defined $str;
$str =~ s/([^A-Za-z0-9\-_.~()\/:@ ]+)/CGI::escape($1)/eg;
$str =~ s/ /\+/g;
return $str;
# quote unsafe chars in whole URL, so some charactrs cannot be quoted
sub esc_url {
my $str = shift;
+ return undef unless defined $str;
$str =~ s/([^A-Za-z0-9\-_.~();\/;?:@&=])/sprintf("%%%02X", ord($1))/eg;
$str =~ s/\+/%2B/g;
$str =~ s/ /\+/g;
my $str = shift;
my %opts = @_;
+ return undef unless defined $str;
+
$str = to_utf8($str);
$str = $cgi->escapeHTML($str);
if ($opts{'-nbsp'}) {
my $str = shift;
my %opts = @_;
+ return undef unless defined $str;
+
$str = to_utf8($str);
$str = $cgi->escapeHTML($str);
if ($opts{'-nbsp'}) {
$str =~ m/^(.*?)($begre)$/;
my ($lead, $body) = ($1, $2);
if (length($lead) > 4) {
- $body =~ s/^[^;]*;// if ($lead =~ m/&[^;]*$/);
$lead = " ...";
}
return "$lead$body";
$str =~ m/^(.*?)($begre)$/;
my ($mid, $right) = ($1, $2);
if (length($mid) > 5) {
- $left =~ s/&[^;]*$//;
- $right =~ s/^[^;]*;// if ($mid =~ m/&[^;]*$/);
$mid = " ... ";
}
return "$left$mid$right";
my $body = $1;
my $tail = $2;
if (length($tail) > 4) {
- $body =~ s/&[^;]*$//;
$tail = "... ";
}
return "$body$tail";
# returns path to the core git executable and the --git-dir parameter as list
sub git_cmd {
+ $number_of_git_cmds++;
return $GIT, '--git-dir='.$git_dir;
}
print "</head>\n" .
"<body>\n";
- if (-f $site_header) {
+ if (defined $site_header && -f $site_header) {
insert_file($site_header);
}
}
print "</div>\n"; # class="page_footer"
- if (-f $site_footer) {
+ if (defined $t0 && gitweb_check_feature('timed')) {
+ print "<div id=\"generating_info\">\n";
+ print 'This page took '.
+ '<span id="generating_time" class="time_span">'.
+ Time::HiRes::tv_interval($t0, [Time::HiRes::gettimeofday()]).
+ ' seconds </span>'.
+ ' and '.
+ '<span id="generating_cmd">'.
+ $number_of_git_cmds.
+ '</span> git commands '.
+ " to generate.\n";
+ print "</div>\n"; # class="page_footer"
+ }
+
+ if (defined $site_footer && -f $site_footer) {
insert_file($site_footer);
}
+ print qq!<script type="text/javascript" src="$javascript"></script>\n!;
+ if (defined $action &&
+ $action eq 'blame_incremental') {
+ print qq!<script type="text/javascript">\n!.
+ qq!startBlame("!. href(action=>"blame_data", -replay=>1) .qq!",\n!.
+ qq! "!. href() .qq!");\n!.
+ qq!</script>\n!;
+ } elsif (gitweb_check_feature('javascript-actions')) {
+ print qq!<script type="text/javascript">\n!.
+ qq!window.onload = fixLinks;\n!.
+ qq!</script>\n!;
+ }
+
print "</body>\n" .
"</html>";
}
-# die_error(<http_status_code>, <error_message>)
+# die_error(<http_status_code>, <error_message>[, <detailed_html_description>])
# Example: die_error(404, 'Hash not found')
# By convention, use the following status codes (as defined in RFC 2616):
# 400: Invalid or missing CGI parameters, or
# 500: The server isn't configured properly, or
# an internal error occurred (e.g. failed assertions caused by bugs), or
# an unknown error occurred (e.g. the git binary died unexpectedly).
+# 503: The server is currently unavailable (because it is overloaded,
+# or down for maintenance). Generally, this is a temporary state.
sub die_error {
my $status = shift || 500;
- my $error = shift || "Internal server error";
-
- my %http_responses = (400 => '400 Bad Request',
- 403 => '403 Forbidden',
- 404 => '404 Not Found',
- 500 => '500 Internal Server Error');
+ my $error = esc_html(shift) || "Internal Server Error";
+ my $extra = shift;
+
+ my %http_responses = (
+ 400 => '400 Bad Request',
+ 403 => '403 Forbidden',
+ 404 => '404 Not Found',
+ 500 => '500 Internal Server Error',
+ 503 => '503 Service Unavailable',
+ );
git_header_html($http_responses{$status});
print <<EOF;
<div class="page_body">
<br /><br />
$status - $error
<br />
-</div>
EOF
+ if (defined $extra) {
+ print "<hr />\n" .
+ "$extra\n";
+ }
+ print "</div>\n";
+
git_footer_html();
exit;
}
}
sub print_local_time {
+ print format_local_time(@_);
+}
+
+sub format_local_time {
+ my $localtime = '';
my %date = @_;
if ($date{'hour_local'} < 6) {
- printf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
+ $localtime .= sprintf(" (<span class=\"atnight\">%02d:%02d</span> %s)",
$date{'hour_local'}, $date{'minute_local'}, $date{'tz_local'});
} else {
- printf(" (%02d:%02d %s)",
+ $localtime .= sprintf(" (%02d:%02d %s)",
$date{'hour_local'}, $date{'minute_local'}, $date{'tz_local'});
}
+
+ return $localtime;
}
# Outputs the author name and date in long form
# print 'sort by' <th> element, generating 'sort by $name' replay link
# if that order is not selected
sub print_sort_th {
+ print format_sort_th(@_);
+}
+
+sub format_sort_th {
my ($name, $order, $header) = @_;
+ my $sort_th = "";
$header ||= ucfirst($name);
if ($order eq $name) {
- print "<th>$header</th>\n";
+ $sort_th .= "<th>$header</th>\n";
} else {
- print "<th>" .
- $cgi->a({-href => href(-replay=>1, order=>$name),
- -class => "header"}, $header) .
- "</th>\n";
+ $sort_th .= "<th>" .
+ $cgi->a({-href => href(-replay=>1, order=>$name),
+ -class => "header"}, $header) .
+ "</th>\n";
}
+
+ return $sort_th;
}
sub git_project_list_body {
}
git_header_html();
- if (-f $home_text) {
+ if (defined $home_text && -f $home_text) {
print "<div class=\"index_include\">\n";
insert_file($home_text);
print "</div>\n";
git_footer_html();
}
-sub git_blame {
+sub git_blame_common {
+ my $format = shift || 'porcelain';
+ if ($format eq 'porcelain' && $cgi->param('js')) {
+ $format = 'incremental';
+ $action = 'blame_incremental'; # for page title etc
+ }
+
# permissions
gitweb_check_feature('blame')
or die_error(403, "Blame view not allowed");
}
}
- # run git-blame --porcelain
- open my $fd, "-|", git_cmd(), "blame", '-p',
- $hash_base, '--', $file_name
- or die_error(500, "Open git-blame failed");
+ my $fd;
+ if ($format eq 'incremental') {
+ # get file contents (as base)
+ open $fd, "-|", git_cmd(), 'cat-file', 'blob', $hash
+ or die_error(500, "Open git-cat-file failed");
+ } elsif ($format eq 'data') {
+ # run git-blame --incremental
+ open $fd, "-|", git_cmd(), "blame", "--incremental",
+ $hash_base, "--", $file_name
+ or die_error(500, "Open git-blame --incremental failed");
+ } else {
+ # run git-blame --porcelain
+ open $fd, "-|", git_cmd(), "blame", '-p',
+ $hash_base, '--', $file_name
+ or die_error(500, "Open git-blame --porcelain failed");
+ }
+
+ # incremental blame data returns early
+ if ($format eq 'data') {
+ print $cgi->header(
+ -type=>"text/plain", -charset => "utf-8",
+ -status=> "200 OK");
+ local $| = 1; # output autoflush
+ print while <$fd>;
+ close $fd
+ or print "ERROR $!\n";
+
+ print 'END';
+ if (defined $t0 && gitweb_check_feature('timed')) {
+ print ' '.
+ Time::HiRes::tv_interval($t0, [Time::HiRes::gettimeofday()]).
+ ' '.$number_of_git_cmds;
+ }
+ print "\n";
+
+ return;
+ }
# page header
git_header_html();
my $formats_nav =
$cgi->a({-href => href(action=>"blob", -replay=>1)},
"blob") .
+ " | ";
+ if ($format eq 'incremental') {
+ $formats_nav .=
+ $cgi->a({-href => href(action=>"blame", javascript=>0, -replay=>1)},
+ "blame") . " (non-incremental)";
+ } else {
+ $formats_nav .=
+ $cgi->a({-href => href(action=>"blame_incremental", -replay=>1)},
+ "blame") . " (incremental)";
+ }
+ $formats_nav .=
" | " .
$cgi->a({-href => href(action=>"history", -replay=>1)},
"history") .
" | " .
- $cgi->a({-href => href(action=>"blame", file_name=>$file_name)},
+ $cgi->a({-href => href(action=>$action, file_name=>$file_name)},
"HEAD");
git_print_page_nav('','', $hash_base,$co{'tree'},$hash_base, $formats_nav);
git_print_header_div('commit', esc_html($co{'title'}), $hash_base);
git_print_page_path($file_name, $ftype, $hash_base);
# page body
+ if ($format eq 'incremental') {
+ print "<noscript>\n<div class=\"error\"><center><b>\n".
+ "This page requires JavaScript to run.\n Use ".
+ $cgi->a({-href => href(action=>'blame',javascript=>0,-replay=>1)},
+ 'this page').
+ " instead.\n".
+ "</b></center></div>\n</noscript>\n";
+
+ print qq!<div id="progress_bar" style="width: 100%; background-color: yellow"></div>\n!;
+ }
+
+ print qq!<div class="page_body">\n!;
+ print qq!<div id="progress_info">... / ...</div>\n!
+ if ($format eq 'incremental');
+ print qq!<table id="blame_table" class="blame" width="100%">\n!.
+ #qq!<col width="5.5em" /><col width="2.5em" /><col width="*" />\n!.
+ qq!<thead>\n!.
+ qq!<tr><th>Commit</th><th>Line</th><th>Data</th></tr>\n!.
+ qq!</thead>\n!.
+ qq!<tbody>\n!;
+
my @rev_color = qw(light dark);
my $num_colors = scalar(@rev_color);
my $current_color = 0;
- my %metainfo = ();
- print <<HTML;
-<div class="page_body">
-<table class="blame">
-<tr><th>Commit</th><th>Line</th><th>Data</th></tr>
-HTML
- LINE:
- while (my $line = <$fd>) {
- chomp $line;
- # the header: <SHA-1> <src lineno> <dst lineno> [<lines in group>]
- # no <lines in group> for subsequent lines in group of lines
- my ($full_rev, $orig_lineno, $lineno, $group_size) =
- ($line =~ /^([0-9a-f]{40}) (\d+) (\d+)(?: (\d+))?$/);
- if (!exists $metainfo{$full_rev}) {
- $metainfo{$full_rev} = { 'nprevious' => 0 };
- }
- my $meta = $metainfo{$full_rev};
- my $data;
- while ($data = <$fd>) {
- chomp $data;
- last if ($data =~ s/^\t//); # contents of line
- if ($data =~ /^(\S+)(?: (.*))?$/) {
- $meta->{$1} = $2 unless exists $meta->{$1};
+ if ($format eq 'incremental') {
+ my $color_class = $rev_color[$current_color];
+
+ #contents of a file
+ my $linenr = 0;
+ LINE:
+ while (my $line = <$fd>) {
+ chomp $line;
+ $linenr++;
+
+ print qq!<tr id="l$linenr" class="$color_class">!.
+ qq!<td class="sha1"><a href=""> </a></td>!.
+ qq!<td class="linenr">!.
+ qq!<a class="linenr" href="">$linenr</a></td>!;
+ print qq!<td class="pre">! . esc_html($line) . "</td>\n";
+ print qq!</tr>\n!;
+ }
+
+ } else { # porcelain, i.e. ordinary blame
+ my %metainfo = (); # saves information about commits
+
+ # blame data
+ LINE:
+ while (my $line = <$fd>) {
+ chomp $line;
+ # the header: <SHA-1> <src lineno> <dst lineno> [<lines in group>]
+ # no <lines in group> for subsequent lines in group of lines
+ my ($full_rev, $orig_lineno, $lineno, $group_size) =
+ ($line =~ /^([0-9a-f]{40}) (\d+) (\d+)(?: (\d+))?$/);
+ if (!exists $metainfo{$full_rev}) {
+ $metainfo{$full_rev} = { 'nprevious' => 0 };
+ }
+ my $meta = $metainfo{$full_rev};
+ my $data;
+ while ($data = <$fd>) {
+ chomp $data;
+ last if ($data =~ s/^\t//); # contents of line
+ if ($data =~ /^(\S+)(?: (.*))?$/) {
+ $meta->{$1} = $2 unless exists $meta->{$1};
+ }
+ if ($data =~ /^previous /) {
+ $meta->{'nprevious'}++;
+ }
}
- if ($data =~ /^previous /) {
- $meta->{'nprevious'}++;
+ my $short_rev = substr($full_rev, 0, 8);
+ my $author = $meta->{'author'};
+ my %date =
+ parse_date($meta->{'author-time'}, $meta->{'author-tz'});
+ my $date = $date{'iso-tz'};
+ if ($group_size) {
+ $current_color = ($current_color + 1) % $num_colors;
}
- }
- my $short_rev = substr($full_rev, 0, 8);
- my $author = $meta->{'author'};
- my %date =
- parse_date($meta->{'author-time'}, $meta->{'author-tz'});
- my $date = $date{'iso-tz'};
- if ($group_size) {
- $current_color = ($current_color + 1) % $num_colors;
- }
- my $tr_class = $rev_color[$current_color];
- $tr_class .= ' boundary' if (exists $meta->{'boundary'});
- $tr_class .= ' no-previous' if ($meta->{'nprevious'} == 0);
- $tr_class .= ' multiple-previous' if ($meta->{'nprevious'} > 1);
- print "<tr id=\"l$lineno\" class=\"$tr_class\">\n";
- if ($group_size) {
- print "<td class=\"sha1\"";
- print " title=\"". esc_html($author) . ", $date\"";
- print " rowspan=\"$group_size\"" if ($group_size > 1);
- print ">";
- print $cgi->a({-href => href(action=>"commit",
- hash=>$full_rev,
- file_name=>$file_name)},
- esc_html($short_rev));
- if ($group_size >= 2) {
- my @author_initials = ($author =~ /\b([[:upper:]])\B/g);
- if (@author_initials) {
- print "<br />" .
- esc_html(join('', @author_initials));
- # or join('.', ...)
+ my $tr_class = $rev_color[$current_color];
+ $tr_class .= ' boundary' if (exists $meta->{'boundary'});
+ $tr_class .= ' no-previous' if ($meta->{'nprevious'} == 0);
+ $tr_class .= ' multiple-previous' if ($meta->{'nprevious'} > 1);
+ print "<tr id=\"l$lineno\" class=\"$tr_class\">\n";
+ if ($group_size) {
+ print "<td class=\"sha1\"";
+ print " title=\"". esc_html($author) . ", $date\"";
+ print " rowspan=\"$group_size\"" if ($group_size > 1);
+ print ">";
+ print $cgi->a({-href => href(action=>"commit",
+ hash=>$full_rev,
+ file_name=>$file_name)},
+ esc_html($short_rev));
+ if ($group_size >= 2) {
+ my @author_initials = ($author =~ /\b([[:upper:]])\B/g);
+ if (@author_initials) {
+ print "<br />" .
+ esc_html(join('', @author_initials));
+ # or join('.', ...)
+ }
}
+ print "</td>\n";
}
- print "</td>\n";
- }
- # 'previous' <sha1 of parent commit> <filename at commit>
- if (exists $meta->{'previous'} &&
- $meta->{'previous'} =~ /^([a-fA-F0-9]{40}) (.*)$/) {
- $meta->{'parent'} = $1;
- $meta->{'file_parent'} = unquote($2);
- }
- my $linenr_commit =
- exists($meta->{'parent'}) ?
- $meta->{'parent'} : $full_rev;
- my $linenr_filename =
- exists($meta->{'file_parent'}) ?
- $meta->{'file_parent'} : unquote($meta->{'filename'});
- my $blamed = href(action => 'blame',
- file_name => $linenr_filename,
- hash_base => $linenr_commit);
- print "<td class=\"linenr\">";
- print $cgi->a({ -href => "$blamed#l$orig_lineno",
- -class => "linenr" },
- esc_html($lineno));
- print "</td>";
- print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
- print "</tr>\n";
+ # 'previous' <sha1 of parent commit> <filename at commit>
+ if (exists $meta->{'previous'} &&
+ $meta->{'previous'} =~ /^([a-fA-F0-9]{40}) (.*)$/) {
+ $meta->{'parent'} = $1;
+ $meta->{'file_parent'} = unquote($2);
+ }
+ my $linenr_commit =
+ exists($meta->{'parent'}) ?
+ $meta->{'parent'} : $full_rev;
+ my $linenr_filename =
+ exists($meta->{'file_parent'}) ?
+ $meta->{'file_parent'} : unquote($meta->{'filename'});
+ my $blamed = href(action => 'blame',
+ file_name => $linenr_filename,
+ hash_base => $linenr_commit);
+ print "<td class=\"linenr\">";
+ print $cgi->a({ -href => "$blamed#l$orig_lineno",
+ -class => "linenr" },
+ esc_html($lineno));
+ print "</td>";
+ print "<td class=\"pre\">" . esc_html($data) . "</td>\n";
+ print "</tr>\n";
+ } # end while
+
}
- print "</table>\n";
- print "</div>";
+
+ # footer
+ print "</tbody>\n".
+ "</table>\n"; # class="blame"
+ print "</div>\n"; # class="blame_body"
close $fd
or print "Reading blob failed\n";
- # page footer
git_footer_html();
}
+sub git_blame {
+ git_blame_common();
+}
+
+sub git_blame_incremental {
+ git_blame_common('incremental');
+}
+
+sub git_blame_data {
+ git_blame_common('data');
+}
+
sub git_tags {
my $head = git_get_head_hash($project);
git_header_html();
projects / git.git / blobdiff