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289 lines
9.0 KiB
Perl
Executable File
289 lines
9.0 KiB
Perl
Executable File
#!/usr/bin/perl -wT
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# -*- Mode: perl; indent-tabs-mode: nil -*-
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#
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# The contents of this file are subject to the Mozilla Public
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# License Version 1.1 (the "License"); you may not use this file
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# except in compliance with the License. You may obtain a copy of
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# the License at http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS
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# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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# implied. See the License for the specific language governing
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# rights and limitations under the License.
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#
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# The Original Code is the Bugzilla Bug Tracking System.
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#
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# The Initial Developer of the Original Code is Netscape Communications
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# Corporation. Portions created by Netscape are
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# Copyright (C) 1998 Netscape Communications Corporation. All
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# Rights Reserved.
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#
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# Contributor(s): Terry Weissman <terry@mozilla.org>
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# Gervase Markham <gerv@gerv.net>
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use strict;
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use lib qw(.);
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use File::Temp;
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use Bugzilla;
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use Bugzilla::Constants;
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use Bugzilla::Util;
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use Bugzilla::Error;
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use Bugzilla::Bug;
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Bugzilla->login();
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my $cgi = Bugzilla->cgi;
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my $template = Bugzilla->template;
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my $vars = {};
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# Connect to the shadow database if this installation is using one to improve
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# performance.
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my $dbh = Bugzilla->switch_to_shadow_db();
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local our (%seen, %edgesdone, %bugtitles);
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# CreateImagemap: This sub grabs a local filename as a parameter, reads the
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# dot-generated image map datafile residing in that file and turns it into
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# an HTML map element. THIS SUB IS ONLY USED FOR LOCAL DOT INSTALLATIONS.
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# The map datafile won't necessarily contain the bug summaries, so we'll
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# pull possible HTML titles from the %bugtitles hash (filled elsewhere
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# in the code)
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# The dot mapdata lines have the following format (\nsummary is optional):
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# rectangle (LEFTX,TOPY) (RIGHTX,BOTTOMY) URLBASE/show_bug.cgi?id=BUGNUM BUGNUM[\nSUMMARY]
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sub CreateImagemap {
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my $mapfilename = shift;
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my $map = "<map name=\"imagemap\">\n";
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my $default;
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open MAP, "<$mapfilename";
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while(my $line = <MAP>) {
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if($line =~ /^default ([^ ]*)(.*)$/) {
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$default = qq{<area alt="" shape="default" href="$1">\n};
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}
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if ($line =~ /^rectangle \((.*),(.*)\) \((.*),(.*)\) (http[^ ]*)(.*)?$/) {
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my ($leftx, $rightx, $topy, $bottomy, $url) = ($1, $3, $2, $4, $5);
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# Pick up bugid from the mapdata label field. Getting the title from
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# bugtitle hash instead of mapdata allows us to get the summary even
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# when showsummary is off, and also gives us status and resolution.
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my ($bugid) = ($6 =~ /^\s*(\d+)/);
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my $bugtitle = value_quote($bugtitles{$bugid});
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$map .= qq{<area alt="bug $bugid" name="bug$bugid" shape="rect" } .
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qq{title="$bugtitle" href="$url" } .
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qq{coords="$leftx,$topy,$rightx,$bottomy">\n};
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}
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}
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close MAP;
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$map .= "$default</map>";
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return $map;
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}
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sub AddLink {
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my ($blocked, $dependson, $fh) = (@_);
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my $key = "$blocked,$dependson";
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if (!exists $edgesdone{$key}) {
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$edgesdone{$key} = 1;
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print $fh "$blocked -> $dependson\n";
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$seen{$blocked} = 1;
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$seen{$dependson} = 1;
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}
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}
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my $rankdir = $cgi->param('rankdir') || "LR";
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my $webdotdir = bz_locations()->{'webdotdir'};
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if (!defined $cgi->param('id') && !defined $cgi->param('doall')) {
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ThrowCodeError("missing_bug_id");
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}
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my ($fh, $filename) = File::Temp::tempfile("XXXXXXXXXX",
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SUFFIX => '.dot',
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DIR => $webdotdir);
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my $urlbase = Bugzilla->params->{'urlbase'};
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print $fh "digraph G {";
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print $fh qq{
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graph [URL="${urlbase}query.cgi", rankdir=$rankdir]
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node [URL="${urlbase}show_bug.cgi?id=\\N", style=filled, color=lightgrey]
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};
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my %baselist;
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if ($cgi->param('doall')) {
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my $dependencies = $dbh->selectall_arrayref(
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"SELECT blocked, dependson FROM dependencies");
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foreach my $dependency (@$dependencies) {
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my ($blocked, $dependson) = @$dependency;
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AddLink($blocked, $dependson, $fh);
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}
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} else {
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foreach my $i (split('[\s,]+', $cgi->param('id'))) {
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$i = trim($i);
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ValidateBugID($i);
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$baselist{$i} = 1;
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}
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my @stack = keys(%baselist);
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my $sth = $dbh->prepare(
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q{SELECT blocked, dependson
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FROM dependencies
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WHERE blocked = ? or dependson = ?});
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foreach my $id (@stack) {
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my $dependencies = $dbh->selectall_arrayref($sth, undef, ($id, $id));
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foreach my $dependency (@$dependencies) {
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my ($blocked, $dependson) = @$dependency;
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if ($blocked != $id && !exists $seen{$blocked}) {
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push @stack, $blocked;
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}
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if ($dependson != $id && !exists $seen{$dependson}) {
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push @stack, $dependson;
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}
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AddLink($blocked, $dependson, $fh);
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}
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}
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foreach my $k (keys(%baselist)) {
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$seen{$k} = 1;
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}
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}
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my $sth = $dbh->prepare(
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q{SELECT bug_status, resolution, short_desc
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FROM bugs
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WHERE bugs.bug_id = ?});
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foreach my $k (keys(%seen)) {
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# Retrieve bug information from the database
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my ($stat, $resolution, $summary) = $dbh->selectrow_array($sth, undef, $k);
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$stat ||= 'NEW';
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$resolution ||= '';
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$summary ||= '';
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# Resolution and summary are shown only if user can see the bug
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if (!Bugzilla->user->can_see_bug($k)) {
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$resolution = $summary = '';
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}
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$vars->{'short_desc'} = $summary if ($k eq $cgi->param('id'));
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my @params;
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if ($summary ne "" && $cgi->param('showsummary')) {
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$summary =~ s/([\\\"])/\\$1/g;
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push(@params, qq{label="$k\\n$summary"});
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}
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if (exists $baselist{$k}) {
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push(@params, "shape=box");
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}
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if (is_open_state($stat)) {
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push(@params, "color=green");
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}
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if (@params) {
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print $fh "$k [" . join(',', @params) . "]\n";
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} else {
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print $fh "$k\n";
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}
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# Push the bug tooltip texts into a global hash so that
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# CreateImagemap sub (used with local dot installations) can
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# use them later on.
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$bugtitles{$k} = trim("$stat $resolution");
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# Show the bug summary in tooltips only if not shown on
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# the graph and it is non-empty (the user can see the bug)
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if (!$cgi->param('showsummary') && $summary ne "") {
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$bugtitles{$k} .= " - $summary";
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}
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}
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print $fh "}\n";
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close $fh;
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chmod 0777, $filename;
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my $webdotbase = Bugzilla->params->{'webdotbase'};
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if ($webdotbase =~ /^https?:/) {
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# Remote dot server
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my $url = perform_substs($webdotbase) . $filename;
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$vars->{'image_url'} = $url . ".gif";
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$vars->{'map_url'} = $url . ".map";
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} else {
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# Local dot installation
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# First, generate the png image file from the .dot source
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my ($pngfh, $pngfilename) = File::Temp::tempfile("XXXXXXXXXX",
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SUFFIX => '.png',
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DIR => $webdotdir);
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binmode $pngfh;
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open(DOT, "\"$webdotbase\" -Tpng $filename|");
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binmode DOT;
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print $pngfh $_ while <DOT>;
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close DOT;
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close $pngfh;
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# On Windows $pngfilename will contain \ instead of /
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$pngfilename =~ s|\\|/|g if $^O eq 'MSWin32';
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$vars->{'image_url'} = $pngfilename;
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# Then, generate a imagemap datafile that contains the corner data
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# for drawn bug objects. Pass it on to CreateImagemap that
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# turns this monster into html.
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my ($mapfh, $mapfilename) = File::Temp::tempfile("XXXXXXXXXX",
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SUFFIX => '.map',
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DIR => $webdotdir);
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binmode $mapfh;
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open(DOT, "\"$webdotbase\" -Tismap $filename|");
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binmode DOT;
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print $mapfh $_ while <DOT>;
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close DOT;
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close $mapfh;
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$vars->{'image_map'} = CreateImagemap($mapfilename);
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}
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# Cleanup any old .dot files created from previous runs.
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my $since = time() - 24 * 60 * 60;
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# Can't use glob, since even calling that fails taint checks for perl < 5.6
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opendir(DIR, $webdotdir);
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my @files = grep { /\.dot$|\.png$|\.map$/ && -f "$webdotdir/$_" } readdir(DIR);
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closedir DIR;
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foreach my $f (@files)
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{
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$f = "$webdotdir/$f";
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# Here we are deleting all old files. All entries are from the
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# $webdot directory. Since we're deleting the file (not following
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# symlinks), this can't escape to delete anything it shouldn't
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# (unless someone moves the location of $webdotdir, of course)
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trick_taint($f);
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if (file_mod_time($f) < $since) {
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unlink $f;
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}
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}
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$vars->{'bug_id'} = $cgi->param('id');
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$vars->{'multiple_bugs'} = ($cgi->param('id') =~ /[ ,]/);
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$vars->{'doall'} = $cgi->param('doall');
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$vars->{'rankdir'} = $rankdir;
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$vars->{'showsummary'} = $cgi->param('showsummary');
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# Generate and return the UI (HTML page) from the appropriate template.
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print $cgi->header();
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$template->process("bug/dependency-graph.html.tmpl", $vars)
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|| ThrowTemplateError($template->error());
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