/[Frey]/trunk/lib/Frey/SVN.pm
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Contents of /trunk/lib/Frey/SVN.pm

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Revision 1078 - (show annotations)
Thu Jun 4 19:23:32 2009 UTC (14 years, 10 months ago) by dpavlin
File size: 8099 byte(s)
optimize diff extraction and changes yamls
1 package Frey::SVN;
2 use Moose;
3
4 # Convert output from svn log to html page (with some formatting of
5 # commit messages)
6 #
7 # 2004-04-28 Dobrica Pavlinusic <dpavlin@rot13.org>
8
9 extends 'Frey';
10 with 'Frey::Web';
11 with 'Frey::Storage';
12 with 'Frey::HTML::Diff';
13
14 use XML::Simple;
15 use DateTimeX::Easy;
16 use Text::Diff::Parser;
17 use File::Path qw/mkpath/;
18
19 has repository => (
20 is => 'rw',
21 isa => 'Str',
22 required => 1,
23 default => 'file:///home/dpavlin/private/svn/Frey',
24 );
25
26 has path => (
27 is => 'rw',
28 isa => 'Str'
29 );
30
31 has limit => (
32 is => 'rw',
33 isa => 'Int',
34 default => 50,
35 );
36
37 has include_diff => (
38 is => 'ro',
39 isa => 'Bool',
40 default => 0,
41 );
42
43 has file_stats => (
44 is => 'ro',
45 isa => 'Bool',
46 default => 1,
47 );
48
49 sub iterator {
50 my ($self,$coderef) = @_;
51
52 sub sh_regex($$) {
53 my ($cmd,$regex) = @_;
54 open(my $sh, $cmd . ' |') || die "sh_regex failed on $cmd: $!";
55 while(my $l = <$sh>) {
56 chomp($l);
57 if ($l =~ $regex) {
58 if ($1 && $2) {
59 return ($1,$2);
60 } elsif ($1) {
61 return $1;
62 } else {
63 return $l;
64 }
65 }
66 }
67 #warn "can't find $regex in output of $cmd\n";
68 return;
69 }
70
71 my $path = $self->repository . $self->path;
72 warn "# path $path\n";
73
74 my $cmd;
75 my $svn_path = $path;
76
77 if ($path =~ m#file://# || -e "$path/.svn") {
78 $cmd = "svn log -v --xml $path";
79 } else {
80 $svn_path = sh_regex('svk info', qr#Mirrored From:\s+([^,]+)#i);
81
82 if (! $svn_path) {
83
84 my $svk_depot = sh_regex('svk info', qr#Depot Path: (/.+)#i);
85
86 my $depot = $svk_depot;
87 my $rel_path;
88
89 my $path = sh_regex('svk depot --list', qr/^$depot\s+(\S+)/i);
90
91 while (! $path && $depot =~ s{^(/.*/)([^/]+)/?$}{$1} ) {
92 $rel_path = "$2/$rel_path";
93 $path = sh_regex('svk depot --list', qr/^$depot\s+(\S+)/i);
94 }
95
96 die "can't find depot path '$svk_depot' in svk depot --list\n" unless ($path);
97 $svn_path = "file:///$path/$rel_path";
98 }
99
100 $cmd = "svn log -v --xml $svn_path";
101 }
102
103 $cmd .= " --limit " . $self->limit if $self->limit;
104
105 warn "# $cmd\n";
106 open(my $fh, $cmd .' |') || die "failed $cmd: $!";
107 my $log;
108 while(<$fh>) {
109 $log .= $_;
110 }
111 close($fh);
112
113 warn "got ", length($log), " bytes of XML changes\n";
114
115 my $xml = XMLin($log, ForceArray => [ 'logentry', 'path' ]);
116
117 foreach my $e (@{$xml->{'logentry'}}) {
118 warn "# e = ",$self->dump( $e ) if $self->debug;
119
120 if ( $self->include_diff || $self->file_stats ) {
121 my $rev = $e->{'revision'};
122
123 $e->{diff_paths}->{rev} = $rev; # XXX debug
124
125 my $cache = $svn_path;
126 $cache =~ s{^\w+:/+}{};
127 $cache = "var/svn/$cache";
128 mkpath $cache unless -e $cache;
129
130 my $diff_path = "$cache/$rev.diff";
131 $e->{diff} = $self->load( $diff_path ) if $self->include_diff && -e $diff_path;
132
133 my $diff_yaml = "$cache/$rev.yaml";
134
135 if ( -e $diff_yaml ) {
136 $e->{diff_paths} = $self->load( $diff_yaml );
137 } else {
138 my $cmd = "svn diff -c $rev $svn_path";
139 my ( $diff_fh, $diff_out );
140 my $diff_file = "$cache/$rev.diff";
141
142 open($diff_fh, '-|', $cmd) || die "can't open pipe from $cmd: $!";
143 open($diff_out,'>' , $diff_file) || die "can't write $diff_file: $!";
144 #warn "# creating $diff_file from $cmd\n";
145
146 my $diff_path;
147 my $changes;
148 my $diff = '';
149
150 while( <$diff_fh> ) {
151 $diff .= $_;
152 print $diff_out $_;
153
154 if ( m{^\+\+\+ (\S+)} ) {
155 $diff_path = "/$1"; # subversion paths start with /
156 } elsif ( m{^\+} && $diff_path ) {
157 $changes->{$diff_path}->{added}++;
158 } elsif ( m{^-} && $diff_path ) {
159 $changes->{$diff_path}->{removed}++;
160 }
161 }
162
163 $e->{diff} = $diff if $self->include_diff;
164
165 $self->store( "$cache/$rev.yaml", $changes );
166 $e->{diff_paths} = $changes;
167 }
168
169 }
170
171 $coderef->($e);
172 }
173 }
174
175 sub as_markup {
176 my ($self) = @_;
177
178 # extract svk revision: r113@athlon (orig r999): dpavlin | 2005-09-01 20:38:07 +0200
179 our $svk_rev_re = '\s+(r\d+@\w+(\s+\(orig\s+r\d+\))*:\s+\w+\s+\|\s+\d{4}-\d{2}-\d{2}\s+\d{2}:\d{2}:\d{2}\s+\+\d+)\s*';
180
181 sub encode {
182 my $foo = shift;
183 $foo =~ s/$svk_rev_re//gsm;
184 $foo =~ s/</&lt;/g;
185 $foo =~ s/>/&gt;/g;
186 $foo =~ s/"/&quot;/g;
187 # $foo =~ s/([\n\r][\n\r]+)/$1<br\/>/gis;
188 $foo =~ s/([\n\r]+)([\-\*]\s+)/$1<br\/>$2/gis;
189 $foo =~ s/([\n\r]+)(r\d+:\s+)/$1<br\/>$2/gis;
190 $foo =~ s/([\n\r]+)(\s+r\d+@)/$1<br\/>$2/gis; # svk
191 return $foo;
192 }
193
194 my $repository = $self->repository;
195 my $path = $self->path;
196
197 our $html = qq|
198 <h1><a href="?repository=$repository">$repository</a></h1>
199 <h2>$path</h2>
200 |;
201
202 $self->add_css(qq|
203 .commit {
204 clear: both;
205 padding-top: 1em;
206 padding-bottom: 1em;
207 border-top: 1px dashed #ccc;
208 }
209 .files {
210 color: #888;
211 font-family: monospace;
212 font-size: 80%;
213 float: right;
214 padding-bottom: 1.2em; /* fix 80% back to original 1em */
215 }
216 .files a {
217 text-decoration: none;
218 color: #888;
219 }
220 .date, .revision { color: #666; }
221 .message {
222 padding-top: 0.5em;
223 padding-left: 2em; /* like blockquote */
224 white-space: pre-wrap;
225 }
226
227 ins { color: #8c8 }
228 del { color: #c88 }
229 |);
230
231 my $max_path_len = 0;
232 my $path_count;
233 my $stats;
234
235 $self->iterator( sub {
236 my $e = shift;
237
238 my $rev = $e->{'revision'};
239 my $date = $e->{'date'};
240
241 $date =~ s/T/ /;
242 $date =~ s/\.\d+Z$//;
243
244 my $msg = $e->{'msg'};
245 $msg = '' if ref($msg); # FIXME why do I need this, dammit?
246 if ( $msg ) {
247 $msg = encode( $msg );
248 $msg = qq|<div class="message">$msg</div>|;
249 }
250
251 my @files;
252
253 foreach my $p (@{$e->{'paths'}->{'path'}}) {
254 my ($action,$path) = ($p->{'action'},$p->{'content'});
255
256 if ($action eq "A") {
257 push @files, "<ins>$path</ins>";
258 } elsif ($action eq "D") {
259 push @files, "<del>$path</del>";
260 } else {
261 push @files, $path;
262 }
263
264 $max_path_len = length $path if length $path > $max_path_len;
265 $path_count->{$path}++;
266
267 if ( my $added = $e->{diff_paths}->{$path}->{added} ) {
268 $stats->{total_added} += $added;
269 }
270
271 if ( my $removed = $e->{diff_paths}->{$path}->{removed} ) {
272 $stats->{total_removed} += $removed;
273 }
274 }
275
276 my $diff = $self->html_diff( $e->{diff} ) if $e->{diff};
277
278 $self->add_css(qq|
279 .diff-lines {
280 margin-left: 1em;
281 float: right;
282 }
283 |);
284
285 $html .= qq|
286 <div class="commit">
287 <span class="date">$date</span>
288 <em>$e->{author}</em>
289 <span class="revision">$e->{revision}</span>
290 <div class="files">\n
291 |
292 . join("<br>\n",
293 map {
294 my $path = $_;
295 $path =~ s{<[^>]+>}{}g;
296 my $diff = '';
297 if ( $diff = $e->{diff_paths}->{$path} ) {
298 $diff
299 = qq|<span class="diff-lines">|
300 . join(" ",
301 map {
302 my $v = $diff->{$_};
303 s[added][+$v];
304 s[removed][-$v];
305 $_;
306 } keys %$diff
307 )
308 . qq|</span>|
309 ;
310 warn "DIFF $diff";
311 }
312
313 qq|$diff<a href="?repository=$repository;path=$path" title="$path ##">$_</a>|
314 } @files
315 )
316 . qq|
317 </div>
318 $msg
319 $diff
320 </div>
321 |;
322
323 });
324
325 $max_path_len +=
326 length( $stats->{total_added} )
327 + length( $stats->{total_removed} )
328 ;
329
330 $max_path_len += int( $max_path_len / 10 ); # we are using ex, so we add 10%
331
332 $self->add_css(qq|
333 .files {
334 width: ${max_path_len}ex;
335 }
336 |);
337
338 $html =~ s[title="(\S+) ##"]['title="' . $path_count->{$1} . '"']gse;
339
340 $html .= $self->dump( 'stats', $stats );
341
342 return $html;
343 }
344
345 sub codeswarm_as_markup {
346 my ($self) = @_;
347
348 $self->content_type('text/xml');
349
350 my $file_events = '';
351
352 $self->iterator( sub {
353 my $e = shift;
354
355 my $rev = $e->{'revision'};
356 my $date = DateTimeX::Easy->new( $e->{'date'} )->epoch . '000'; # ms
357 my $author = $e->{'author'};
358
359 foreach my $p (@{$e->{'paths'}->{'path'}}) {
360 my ($action,$path) = ($p->{'action'},$p->{'content'});
361 my $weight = '';
362 if ( my $s = $e->{diff_paths}->{$path} ) {
363 $weight = $s->{removed} || 0;
364 $weight += $s->{added} * 2 if $s->{added};
365 $weight = qq| weight="$weight" |;
366 }
367 $file_events .= qq|\t<event filename="$path" date="$date" author="$author"$weight/>\n|;
368 }
369
370 });
371
372 return qq|<?xml version="1.0"?>
373 <!-- One commit per day for one month by a documenter and programmer. -->
374 <file_events>
375 $file_events
376 </file_events>
377 |;
378
379 }
380
381 1;

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