6 # Hack to work on merkel where suexec is in place
8 if ($ENV{HTTP_HOST} eq 'merkel.debian.org') {
9 unshift @INC, qw(/home/don/perl/usr/share/perl5 /home/don/perl/usr/lib/perl5 /home/don/source);
10 $ENV{DEBBUGS_CONFIG_FILE}="/home/don/config_internal";
17 use CGI::Alert 'don@donarmstrong.com';
19 use Debbugs::Config qw(:config);
20 use Debbugs::CGI qw(htmlize_packagelinks html_escape cgi_parameters munge_url);
21 use Debbugs::Versions;
22 use Debbugs::Versions::Dpkg;
23 use Debbugs::Packages qw(getversions makesourceversions);
24 use HTML::Entities qw(encode_entities);
25 use File::Temp qw(tempdir);
30 my %img_types = (svg => 'image/svg+xml',
34 my $q = new CGI::Simple;
36 my %cgi_var = cgi_parameters(query => $q,
37 single => [qw(package format ignore_boring width height collapse info)],
38 default => {package => 'spamass-milter',
49 my $this = munge_url('version.cgi?',
53 # we want to first load the appropriate file,
54 # then figure out which versions are there in which architectures,
57 for my $dist (@{$config{distributions}}) {
58 $versions{$dist} = [getversions($cgi_var{package},$dist)];
59 # make version_to_dist
60 foreach my $version (@{$versions{$dist}}){
61 push @{$version_to_dist{$version}}, $dist;
65 if (defined $cgi_var{width}) {
66 $cgi_var{width} =~ /(\d+)/;
69 if (defined $cgi_var{height}) {
70 $cgi_var{height} =~ /(\d+)/;
71 $cgi_var{height} = $1;
74 if (defined $cgi_var{format}) {
75 $cgi_var{format} =~ /(png|svg|jpg|gif)/;
76 $cgi_var{format} = $1 || 'png';
79 $cgi_var{format} = 'png';
82 if ($cgi_var{info} and not defined $cgi_var{dot}) {
83 print "Content-Type: text/html\n\n";
85 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
87 <head><title>$cgi_var{package} Version Graph</title></head>
90 print '<a href="'.html_escape(munge_url($this,ignore_boring=>$cgi_var{ignore_boring}?0:1)).
91 '">['.($cgi_var{ignore_boring}?"Don't i":'I').'gnore boring]</a> ';
92 print '<a href="'.html_escape(munge_url($this,collapse=>$cgi_var{collapse}?0:1)).
93 '">['.($cgi_var{collapse}?"Don't c":'C').'ollapse]</a> ';
94 print '<a href="'.html_escape(munge_url($this,dot=>1)).
96 print '<img src="'.html_escape(munge_url($this,info=>0)).'">';
104 # then figure out which are affected.
105 # turn found and fixed into full versions
106 @{$cgi_var{found}} = map {makesourceversions($_,undef,@{$cgi_var{found}})} split/\s*,\s*/, $cgi_var{package};
107 @{$cgi_var{fixed}} = map {makesourceversions($_,undef,@{$cgi_var{fixed}})} split/\s*,\s*/, $cgi_var{package};
108 my @interesting_versions = makesourceversions($cgi_var{package},undef,keys %version_to_dist);
110 # We need to be able to rip out leaves which the versions that do not affect the current versions of unstable/testing
112 @sources{map {m{(.+)/}; $1} @{$cgi_var{found}}} = (1) x @{$cgi_var{found}};
113 @sources{map {m{(.+)/}; $1} @{$cgi_var{fixed}}} = (1) x @{$cgi_var{fixed}};
114 @sources{map {m{(.+)/}; $1} @interesting_versions} = (1) x @interesting_versions;
115 my $version = Debbugs::Versions->new(\&Debbugs::Versions::Dpkg::vercmp);
116 foreach my $source (keys %sources) {
117 my $srchash = substr $source, 0, 1;
118 my $version_fh = new IO::File "$config{version_packages_dir}/$srchash/$source", 'r';
119 $version->load($version_fh);
121 # Here, we need to generate a short version to full version map
123 foreach my $key (keys %{$version->{parent}}) {
124 my ($short_version) = $key =~ m{/(.+)$};
125 next unless length $short_version;
126 # we let the first short version have presidence.
127 $version_map{$short_version} = $key if not exists $version_map{$short_version};
129 # Turn all short versions into long versions
130 for my $found_fixed (qw(found fixed)) {
131 $cgi_var{$found_fixed} =
134 if ($_ !~ m{/}) { # short version
137 else { # long version
140 } @{$cgi_var{$found_fixed}}
143 my %all_states = $version->allstates($cgi_var{found},$cgi_var{fixed});
145 my $dot = "digraph G {\n";
146 if (defined $cgi_var{width} and defined $cgi_var{height}) {
147 $dot .= qq(size="$cgi_var{width},$cgi_var{height}";\n);
149 my %state = (found => ['fillcolor="salmon"',
153 absent => ['fillcolor="grey"',
157 fixed => ['fillcolor="chartreuse"',
162 # TODO: Allow collapsing versions which are at the same state and not
166 if ($cgi_var{collapse}) {
168 foreach my $key (keys %{$version->{parent}}) {
169 next if $cgi_var{ignore_boring} and (not defined $all_states{$key}
170 or $all_states{$key} eq 'absent');
171 next if $cgi_var{ignore_boring} and not version_relevant($version,$key,\@interesting_versions);
172 if (defined $version->{parent}{$key}) {
173 next if $cgi_var{ignore_boring} and (not defined $all_states{$version->{parent}{$key}}
174 or $all_states{$version->{parent}{$key}} eq 'absent');
175 next if $cgi_var{ignore_boring} and not version_relevant($version,$version->{parent}{$key},\@interesting_versions);
176 push @{$reversed_nodes{$version->{parent}{$key}}},$key;
179 $reversed_nodes{$key} ||=[];
182 # nodes that can be collapsed are those that have one child
183 # are in the same state as their parent, and are not in a suite
184 foreach my $key (keys %reversed_nodes) {
185 my ($short_version) = $key =~ m{/(.+)$};
186 if (not exists $version_to_dist{$short_version}
187 and @{$reversed_nodes{$key}} <= 1
188 and defined $version->{parent}{$key}
189 and $all_states{$key} eq $all_states{$version->{parent}{$key}}
191 # check to see if there is an entry for the parent or child of this node
193 if ((@{$reversed_nodes{$key}} and exists $collapsed_nodes{$reversed_nodes{$key}[0]})) {
194 $group_node = $collapsed_nodes{$reversed_nodes{$key}[0]};
195 if ($group_nodes{$group_node}{parent} eq $key) {
196 $group_nodes{$group_node}{parent} = $version->{parent}{$key};
199 if (defined $version->{parent}{$key} and exists $collapsed_nodes{$version->{parent}{$key}}) {
200 if (defined $group_node) {
202 my $collapser = $group_nodes{$collapsed_nodes{$version->{parent}{$key}}};
203 push @{$collapser->{collapsed_nodes}},@{$group_nodes{$group_node}{collapsed_nodes}},$group_node;
204 foreach (@{$collapser->{collapsed_nodes}}) {
205 if (exists $group_nodes{$_}) {
206 $group_nodes{$_} = $collapser;
210 $group_node = $collapsed_nodes{$version->{parent}{$key}};
212 if (not defined $group_node) {
213 $group_node = "group_$key";
214 $group_nodes{$group_node} = {attr => qq("$group_node" [).join(',','label="some versions"',
215 @{$state{$all_states{$key}}},
216 'style="bold,filled"',
219 parent => $version->{parent}{$key},
220 collapsed_nodes => [],
223 $collapsed_nodes{$key} = $group_node;
227 foreach my $group (values %group_nodes) {
228 next if $used_node{$group->{name}};
229 $used_node{$group->{name}} = 1;
230 $dot .= $group->{attr};
234 foreach my $key (keys %all_states) {
235 my ($short_version) = $key =~ m{/(.+)$};
236 next if exists $collapsed_nodes{$key};
237 next if $cgi_var{ignore_boring} and (not defined $all_states{$key}
238 or $all_states{$key} eq 'absent');
239 next if $cgi_var{ignore_boring} and not version_relevant($version,$key,\@interesting_versions);
240 my @attributes = @{$state{$all_states{$key}}};
241 if (length $short_version and exists $version_to_dist{$short_version}) {
242 push @attributes, 'label="'.$key.'\n'."(".join(', ',@{$version_to_dist{$short_version}}).")\"";
244 my $node_attributes = qq("$key" [).join(',',@attributes).qq(]\n);
245 $dot .= $node_attributes;
248 foreach my $key (keys %{$version->{parent}}) {
249 next if not defined $version->{parent}{$key};
250 next if $cgi_var{ignore_boring} and $all_states{$key} eq 'absent';
251 next if $cgi_var{ignore_boring} and (not defined $all_states{$version->{parent}{$key}}
252 or $all_states{$version->{parent}{$key}} eq 'absent');
253 # Ignore branches which are not ancestors of a currently distributed version
254 next if $cgi_var{ignore_boring} and not version_relevant($version,$key,\@interesting_versions);
255 next if exists $collapsed_nodes{$key};
256 $dot .= qq("$key").'->'.q(").
257 (exists $collapsed_nodes{$version->{parent}{$key}}?
258 $group_nodes{$collapsed_nodes{$version->{parent}{$key}}}{name}:$version->{parent}{$key}).
259 qq(" [dir="back"])."\n" if defined $version->{parent}{$key};
261 if ($cgi_var{collapse}) {
263 foreach my $group (values %group_nodes) {
264 next if $used_node{$group->{name}};
265 next if not defined $group->{parent};
266 $used_node{$group->{name}} = 1;
267 $dot .= qq("$group->{name}").'->'.q(").
268 (exists $collapsed_nodes{$group->{parent}}?
269 $group_nodes{$collapsed_nodes{$group->{parent}}}{name}:$group->{parent}).
270 qq(" [dir="back"])."\n";
275 my $temp_dir = tempdir(CLEANUP => 1);
277 if (not defined $cgi_var{dot}) {
278 my $dot_fh = new IO::File "$temp_dir/temp.dot",'w' or
279 die "Unable to open $temp_dir/temp.dot for writing: $!";
280 print {$dot_fh} $dot or die "Unable to print output to the dot file: $!";
281 close $dot_fh or die "Unable to close the dot file: $!";
282 system('dot','-T'.$cgi_var{format},"$temp_dir/temp.dot",'-o',"$temp_dir/temp.$cgi_var{format}") == 0
283 or print "Content-Type: text\n\nDot failed." and die "Dot failed: $?";
284 my $img_fh = new IO::File "$temp_dir/temp.$cgi_var{format}", 'r' or
285 die "Unable to open $temp_dir/temp.$cgi_var{format} for reading: $!";
286 print "Content-Type: $img_types{$cgi_var{format}}\n\n";
291 print "Content-Type: text\n\n";
296 our %_version_relevant_cache;
297 sub version_relevant {
298 my ($version,$test_version,$relevant_versions) = @_;
299 for my $dist_version (@{$relevant_versions}) {
300 if (exists $_version_relevant_cache{$dist_version}{$test_version}{$version}) {
301 return 1 if $_version_relevant_cache{$dist_version}{$test_version}{$version};
304 my $rel = $version->isancestor($test_version,$dist_version);
305 $_version_relevant_cache{$dist_version}{$test_version}{$version} = $rel;