6 # Hack to work on merkel where suexec is in place
8 if (defined $ENV{HTTP_HOST} and $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 # by default send this message nowhere
18 # use CGI::Alert q(nobody@example.com);
20 use Debbugs::Config qw(:config);
24 use Debbugs::CGI qw(htmlize_packagelinks html_escape cgi_parameters munge_url :cache);
25 use Debbugs::Versions;
26 use Debbugs::Versions::Dpkg;
27 use Debbugs::Packages qw(get_versions makesourceversions);
28 use HTML::Entities qw(encode_entities);
29 use File::Temp qw(tempdir);
34 my %img_types = (svg => 'image/svg+xml',
38 my $q = CGI::Simple->new();
40 my %cgi_var = cgi_parameters(query => $q,
41 single => [qw(package format ignore_boring width height collapse info)],
42 default => {package => 'spamass-milter',
53 my $this = munge_url('version.cgi?',
57 if (defined $cgi_var{width}) {
58 $cgi_var{width} =~ /(\d+)/;
61 if (defined $cgi_var{height}) {
62 $cgi_var{height} =~ /(\d+)/;
63 $cgi_var{height} = $1;
66 if (defined $cgi_var{format}) {
67 $cgi_var{format} =~ /(png|svg|jpg|gif)/;
68 $cgi_var{format} = $1 || 'png';
71 $cgi_var{format} = 'png';
75 if ($cgi_var{info} and not defined $cgi_var{dot}) {
76 $etag = etag_does_not_match(cgi=>$q,
77 additional_data=>[grep {defined $_ ? $_ : ()}
78 @cgi_var{(qw(package ignore_boring),
85 print $q->header(-status => 304);
86 print "304: Not modified\n";
89 print $q->header(-status => 200,
90 -cache_control => 'public, max-age=86400',
92 -content_type => 'text/html',
95 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
98 print '<head><title>'.html_escape($cgi_var{package}).' Version Graph</title></head>'."\n";
100 print '<a href="'.html_escape(munge_url($this,ignore_boring=>$cgi_var{ignore_boring}?0:1)).
101 '">['.($cgi_var{ignore_boring}?"Don't i":'I').'gnore boring]</a> ';
102 print '<a href="'.html_escape(munge_url($this,collapse=>$cgi_var{collapse}?0:1)).
103 '">['.($cgi_var{collapse}?"Don't c":'C').'ollapse]</a> ';
104 print '<a href="'.html_escape(munge_url($this,dot=>1)).
106 print '<img src="'.html_escape(munge_url($this,info=>0)).'">';
114 # we want to first load the appropriate file,
115 # then figure out which versions are there in which architectures,
118 for my $dist (@{$config{distributions}}) {
119 $versions{$dist} = [get_versions(package => [split /\s*,\s*/, $cgi_var{package}],
123 # make version_to_dist
124 foreach my $version (@{$versions{$dist}}){
125 push @{$version_to_dist{$version}}, $dist;
129 # then figure out which are affected.
130 # turn found and fixed into full versions
131 @{$cgi_var{found}} = map {makesourceversions($_,undef,@{$cgi_var{found}})} split/\s*,\s*/, $cgi_var{package};
132 @{$cgi_var{fixed}} = map {makesourceversions($_,undef,@{$cgi_var{fixed}})} split/\s*,\s*/, $cgi_var{package};
133 my @interesting_versions = map {makesourceversions($_,undef,keys %version_to_dist)} split/\s*,\s*/, $cgi_var{package};
135 # We need to be able to rip out leaves which the versions that do not affect the current versions of unstable/testing
137 @sources{map {m{(.+)/}; $1} @{$cgi_var{found}}} = (1) x @{$cgi_var{found}};
138 @sources{map {m{(.+)/}; $1} @{$cgi_var{fixed}}} = (1) x @{$cgi_var{fixed}};
139 @sources{map {m{(.+)/}; $1} @interesting_versions} = (1) x @interesting_versions;
141 # at this point, we know enough to calculate the etag.
144 foreach my $source (keys %sources) {
145 my $srchash = substr $source, 0, 1;
146 next unless -e "$config{version_packages_dir}/$srchash/$source";
147 push @versions_files, "$config{version_packages_dir}/$srchash/$source";
150 $etag = etag_does_not_match(cgi=>$q,
151 additional_data=>[@cgi_var{(qw(package ignore_boring),
156 files => [@versions_files
160 print $q->header(-status => 304);
161 print "304: Not modified\n";
165 my $version = Debbugs::Versions->new(\&Debbugs::Versions::Dpkg::vercmp);
166 for my $version_fn (@versions_files) {
167 my $version_fh = IO::File->new($version_fn, 'r') or
168 warn "Unable to open $version_fn for reading: $!";
169 $version->load($version_fh);
171 # Here, we need to generate a short version to full version map
173 foreach my $key (keys %{$version->{parent}}) {
174 my ($short_version) = $key =~ m{/(.+)$};
175 next unless length $short_version;
176 # we let the first short version have presidence.
177 $version_map{$short_version} = $key if not exists $version_map{$short_version};
179 # Turn all short versions into long versions
180 for my $found_fixed (qw(found fixed)) {
181 $cgi_var{$found_fixed} =
184 if ($_ !~ m{/}) { # short version
187 else { # long version
190 } @{$cgi_var{$found_fixed}}
193 my %all_states = $version->allstates($cgi_var{found},$cgi_var{fixed});
195 my $dot = "digraph G {\n";
196 if (defined $cgi_var{width} and defined $cgi_var{height}) {
197 $dot .= qq(size="$cgi_var{width},$cgi_var{height}";\n);
199 my %state = (found => ['fillcolor="salmon"',
203 absent => ['fillcolor="grey"',
207 fixed => ['fillcolor="chartreuse"',
212 # TODO: Allow collapsing versions which are at the same state and not
216 if ($cgi_var{collapse}) {
218 foreach my $key (keys %{$version->{parent}}) {
219 next if $cgi_var{ignore_boring} and (not defined $all_states{$key}
220 or $all_states{$key} eq 'absent');
221 next if $cgi_var{ignore_boring} and not version_relevant($version,$key,\@interesting_versions);
222 if (defined $version->{parent}{$key}) {
223 next if $cgi_var{ignore_boring} and (not defined $all_states{$version->{parent}{$key}}
224 or $all_states{$version->{parent}{$key}} eq 'absent');
225 next if $cgi_var{ignore_boring} and not version_relevant($version,$version->{parent}{$key},\@interesting_versions);
226 push @{$reversed_nodes{$version->{parent}{$key}}},$key;
229 $reversed_nodes{$key} ||=[];
232 # nodes that can be collapsed are those that have one child
233 # are in the same state as their parent, and are not in a suite
234 foreach my $key (keys %reversed_nodes) {
235 if (not exists $version_to_dist{$key}
236 and @{$reversed_nodes{$key}} <= 1
237 and defined $version->{parent}{$key}
238 and $all_states{$key} eq $all_states{$version->{parent}{$key}}
240 # check to see if there is an entry for the parent or child of this node
242 if ((@{$reversed_nodes{$key}} and exists $collapsed_nodes{$reversed_nodes{$key}[0]})) {
243 $group_node = $collapsed_nodes{$reversed_nodes{$key}[0]};
244 if ($group_nodes{$group_node}{parent} eq $key) {
245 $group_nodes{$group_node}{parent} = $version->{parent}{$key};
248 if (defined $version->{parent}{$key} and exists $collapsed_nodes{$version->{parent}{$key}}) {
249 if (defined $group_node) {
251 my $collapser = $group_nodes{$collapsed_nodes{$version->{parent}{$key}}};
252 push @{$collapser->{collapsed_nodes}},@{$group_nodes{$group_node}{collapsed_nodes}},$group_node;
253 foreach (@{$collapser->{collapsed_nodes}}) {
254 if (exists $group_nodes{$_}) {
255 $group_nodes{$_} = $collapser;
259 $group_node = $collapsed_nodes{$version->{parent}{$key}};
261 if (not defined $group_node) {
262 $group_node = "group_$key";
263 $group_nodes{$group_node} = {attr => qq("$group_node" [).join(',','label="some versions"',
264 @{$state{$all_states{$key}}},
265 'style="bold,filled"',
268 parent => $version->{parent}{$key},
269 collapsed_nodes => [],
272 $collapsed_nodes{$key} = $group_node;
276 foreach my $group (values %group_nodes) {
277 next if $used_node{$group->{name}};
278 $used_node{$group->{name}} = 1;
279 $dot .= $group->{attr};
283 foreach my $key (keys %all_states) {
284 next if exists $collapsed_nodes{$key};
285 next if $cgi_var{ignore_boring} and (not defined $all_states{$key}
286 or $all_states{$key} eq 'absent');
287 next if $cgi_var{ignore_boring} and not version_relevant($version,$key,\@interesting_versions);
288 my @attributes = @{$state{$all_states{$key}}};
289 if (exists $version_to_dist{$key}) {
290 push @attributes, 'label="'.$key.'\n'."(".join(', ',@{$version_to_dist{$key}}).")\"";
292 my $node_attributes = qq("$key" [).join(',',@attributes).qq(]\n);
293 $dot .= $node_attributes;
296 foreach my $key (keys %{$version->{parent}}) {
297 next if not defined $version->{parent}{$key};
298 next if $cgi_var{ignore_boring} and $all_states{$key} eq 'absent';
299 next if $cgi_var{ignore_boring} and (not defined $all_states{$version->{parent}{$key}}
300 or $all_states{$version->{parent}{$key}} eq 'absent');
301 # Ignore branches which are not ancestors of a currently distributed version
302 next if $cgi_var{ignore_boring} and not version_relevant($version,$key,\@interesting_versions);
303 next if exists $collapsed_nodes{$key};
304 $dot .= qq("$key").'->'.q(").
305 (exists $collapsed_nodes{$version->{parent}{$key}}?
306 $group_nodes{$collapsed_nodes{$version->{parent}{$key}}}{name}:$version->{parent}{$key}).
307 qq(" [dir="back"])."\n" if defined $version->{parent}{$key};
309 if ($cgi_var{collapse}) {
311 foreach my $group (values %group_nodes) {
312 next if $used_node{$group->{name}};
313 next if not defined $group->{parent};
314 $used_node{$group->{name}} = 1;
315 $dot .= qq("$group->{name}").'->'.q(").
316 (exists $collapsed_nodes{$group->{parent}}?
317 $group_nodes{$collapsed_nodes{$group->{parent}}}{name}:$group->{parent}).
318 qq(" [dir="back"])."\n";
323 my $temp_dir = tempdir(CLEANUP => 1);
325 if (not defined $cgi_var{dot}) {
326 my $dot_fh = IO::File->new("$temp_dir/temp.dot",'w') or
327 die "Unable to open $temp_dir/temp.dot for writing: $!";
328 print {$dot_fh} $dot or die "Unable to print output to the dot file: $!";
329 close $dot_fh or die "Unable to close the dot file: $!";
330 system('dot','-T'.$cgi_var{format},"$temp_dir/temp.dot",'-o',"$temp_dir/temp.$cgi_var{format}") == 0
331 or print "Content-Type: text\n\nDot failed." and die "Dot failed: $?";
332 my $img_fh = IO::File->new("$temp_dir/temp.$cgi_var{format}", 'r') or
333 die "Unable to open $temp_dir/temp.$cgi_var{format} for reading: $!";
334 print $q->header(-status => 200,
335 -cache_control => 'public, max-age=300',
337 -content_type => $img_types{$cgi_var{format}},
343 print $q->header(-status => 200,
344 -cache_control => 'public, max-age=300',
346 -content_type => 'text',
352 our %_version_relevant_cache;
353 sub version_relevant {
354 my ($version,$test_version,$relevant_versions) = @_;
355 for my $dist_version (@{$relevant_versions}) {
356 if (exists $_version_relevant_cache{$dist_version}{$test_version}{$version}) {
357 return 1 if $_version_relevant_cache{$dist_version}{$test_version}{$version};
360 my $rel = $version->isancestor($test_version,$dist_version);
361 $_version_relevant_cache{$dist_version}{$test_version}{$version} = $rel;