lib/Frey/SVN.pm

package Frey::SVN;
use Moose;

# Convert output from svn log to html page (with some formatting of
# commit messages)
#
# 2004-04-28 Dobrica Pavlinusic <dpavlin@rot13.org>

extends 'Frey';
with 'Frey::Web';
with 'Frey::Storage';
with 'Frey::HTML::Diff';

use XML::Simple;
use DateTimeX::Easy;
use Text::Diff::Parser;

has repository => (
        is => 'rw',
        isa => 'Str',
        required => 1,
        default => 'file:///home/dpavlin/private/svn/Frey',
);

has path => (
        is => 'rw',
        isa => 'Str'
);

has limit => (
        is => 'rw',
        isa => 'Int',
        default => 50,
);

has include_diff => (
        is => 'ro',
        isa => 'Bool',
        default => 1,
);

has file_stats => (
        is => 'ro',
        isa => 'Bool',
        default => 1,
);

sub iterator {
        my ($self,$coderef) = @_;
        
        sub sh_regex($$) {
                my ($cmd,$regex) = @_;
                open(my $sh, $cmd . ' |') || die "sh_regex failed on $cmd: $!";
                while(my $l = <$sh>) {
                        chomp($l);
                        if ($l =~ $regex) {
                                if ($1 && $2) {
                                        return ($1,$2);
                                } elsif ($1) {
                                        return $1;
                                } else {
                                        return $l;
                                }
                        }
                }
                #warn "can't find $regex in output of $cmd\n";
                return;
        }

        my $path = $self->repository . $self->path;
        warn "# path $path\n";

        my $cmd;
        my $svn_path = $path;

        if ($path =~ m#file://# || -e "$path/.svn") {
                $cmd = "svn log -v --xml $path";
        } else {
                $svn_path = sh_regex('svk info', qr#Mirrored From:\s+([^,]+)#i);

                if (! $svn_path) {

                        my $svk_depot = sh_regex('svk info', qr#Depot Path: (/.+)#i);

                        my $depot = $svk_depot;
                        my $rel_path;

                        my $path = sh_regex('svk depot --list', qr/^$depot\s+(\S+)/i);

                        while (! $path && $depot =~ s{^(/.*/)([^/]+)/?$}{$1} ) {
                                $rel_path = "$2/$rel_path";
                                $path = sh_regex('svk depot --list', qr/^$depot\s+(\S+)/i);
                        }

                        die "can't find depot path '$svk_depot' in svk depot --list\n" unless ($path);
                        $svn_path = "file:///$path/$rel_path";
                }

                $cmd = "svn log -v --xml $svn_path";
        }

        $cmd .= " --limit " . $self->limit if $self->limit;

        warn "# $cmd\n";
        open(my $fh, $cmd .' |') || die "failed $cmd: $!";
        my $log;
        while(<$fh>) {
                $log .= $_;
        }
        close($fh);

        my $xml = XMLin($log, ForceArray => [ 'logentry', 'path' ]);

        foreach my $e (@{$xml->{'logentry'}}) {
                warn "# e = ",$self->dump( $e ) if $self->debug;

                if ( $self->include_diff || $self->file_stats ) {
                        my $rev = $e->{'revision'};
                        my $file = $svn_path;
                        $file =~ s{^\w+:/+}{};
                        my $file = "var/svn/$file/$rev.diff";
                        my $diff = $self->load( $file );
                        if ( ! $diff ) {
                                $diff = `svn diff -c $rev $svn_path`;
                                $self->store( $file, $diff );
                        }

                        $e->{diff} .= $diff if $self->include_diff;

                        $e->{diff_paths}->{rev} = $rev; # XXX debug

                        my $diff_path;
                        foreach my $line ( split(/[\n\r]/, $diff ) ) {
                                if ( $line =~ m{^\+\+\+ (\S+)} ) {
                                        $diff_path = "/$1"; # subversion paths start with /
                                } elsif ( $line =~ m{^\+} ) {
                                        $e->{diff_paths}->{$diff_path}->{added}++;
                                } elsif ( $line =~ m{^-} ) {
                                        $e->{diff_paths}->{$diff_path}->{removed}++;
                                }
                        }
                }

                $coderef->($e);
        }
}

sub as_markup {
        my ($self) = @_;

        # extract svk revision: r113@athlon (orig r999): dpavlin | 2005-09-01 20:38:07 +0200
        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*';

        sub encode {
                my $foo = shift;
                $foo =~ s/$svk_rev_re//gsm;
                $foo =~ s/</&lt;/g;
                $foo =~ s/>/&gt;/g;
                $foo =~ s/"/&quot;/g;
#               $foo =~ s/([\n\r][\n\r]+)/$1<br\/>/gis;
                $foo =~ s/([\n\r]+)([\-\*]\s+)/$1<br\/>$2/gis;
                $foo =~ s/([\n\r]+)(r\d+:\s+)/$1<br\/>$2/gis;
                $foo =~ s/([\n\r]+)(\s+r\d+@)/$1<br\/>$2/gis;           # svk
                return $foo;
        }

        my $repository = $self->repository;
        my $path = $self->path;

        our $html = qq|
                <h1><a href="?repository=$repository">$repository</a></h1>
                <h2>$path</h2>
        |;

        $self->add_css(qq|
                .commit {
                        clear: both;
                        padding-top: 1em;
                        padding-bottom: 1em;
                        border-top: 1px dashed #ccc;
                }
                .files {
                        color: #888;
                        font-family: monospace;
                        font-size: 80%;
                        float: right;
                        padding-bottom: 1.2em; /* fix 80% back to original 1em */
                }
                .files a {
                        text-decoration: none;
                        color: #888;
                }
                .date, .revision { color: #666; }
                .message {
                        padding-top: 0.5em;
                        padding-left: 2em; /* like blockquote */
                        white-space: pre-wrap;
                }

                ins { color: #8c8 }
                del { color: #c88 }
        |);

        my $max_path_len = 0;
        my $path_count;

        $self->iterator( sub {
                my $e = shift;

                my $rev = $e->{'revision'};
                my $date = $e->{'date'};

                $date =~ s/T/ /;
                $date =~ s/\.\d+Z$//;

                my $msg = $e->{'msg'};
                $msg = '' if ref($msg); # FIXME why do I need this, dammit?
                if ( $msg ) {
                        $msg = encode( $msg );
                        $msg = qq|<div class="message">$msg</div>|;
                }

                my @files;

                foreach my $p (@{$e->{'paths'}->{'path'}}) {
                        my ($action,$path) = ($p->{'action'},$p->{'content'});

                        if ($action eq "A") {
                                push @files, "<ins>$path</ins>";
                        } elsif ($action eq "D") {
                                push @files, "<del>$path</del>";
                        } else {
                                push @files, $path;
                        }

                        $max_path_len = length $path if length $path > $max_path_len;
                        $path_count->{$path}++;
                }

                my $diff = $self->html_diff( $e->{diff} ) if $e->{diff};

                $html .= $self->dump( $e->{diff_paths} );

                $html .= qq|
                        <div class="commit">
                                <span class="date">$date</span>
                                <em>$e->{author}</em>
                                <span class="revision">$e->{revision}</span>
                                <div class="files">\n
                                |
                                . join("<br>\n",
                                        map {
                                                my $path = $_;
                                                $path =~ s{<[^>]+>}{}g;
                                                qq|<a href="?repository=$repository;path=$path" title="$path ##">$_</a>|
                                        } @files
                                )
                                . qq|
                                </div>
                                $msg
                                $diff
                        </div>
                |;

        });

        $self->add_css(qq|
                .files {
                        width: ${max_path_len}ex;
                }
        |);

        $html =~ s[title="(\S+) ##"]['title="' . $path_count->{$1} . '"']gse;

        return $html;
}

sub codeswarm_as_markup {
        my ($self) = @_;

        $self->content_type('text/xml');

        my $file_events = '';

        $self->iterator( sub {
                my $e = shift;
                
                my $rev = $e->{'revision'};
                my $date = DateTimeX::Easy->new( $e->{'date'} )->epoch . '000'; # ms
                my $author = $e->{'author'};

                foreach my $p (@{$e->{'paths'}->{'path'}}) {
                        my ($action,$path) = ($p->{'action'},$p->{'content'});
                        my $weight = '';
                        if ( defined   $e->{diff_paths}->{$path} ) {
                                $weight  = $e->{diff_paths}->{$path}->{removed};
                                $weight += $e->{diff_paths}->{$path}->{added} * 2;
                                $weight  = qq| weight="$weight" |;
                        }
                        $file_events .= qq|\t<event filename="$path" date="$date" author="$author"$weight/>\n|;
                }

        });

        return qq|<?xml version="1.0"?>
        <!-- One commit per day for one month by a documenter and programmer. -->
        <file_events>
        $file_events
        </file_events>
        |;

}

1;
1	dpavlin	769	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	dpavlin	1066	with 'Frey::Storage';
12			with 'Frey::HTML::Diff';
13	dpavlin	769
14			use XML::Simple;
15	dpavlin	807	use DateTimeX::Easy;
16	dpavlin	1066	use Text::Diff::Parser;
17	dpavlin	769
18			has repository => (
19			is => 'rw',
20			isa => 'Str',
21			required => 1,
22			default => 'file:///home/dpavlin/private/svn/Frey',
23			);
24
25	dpavlin	987	has path => (
26			is => 'rw',
27			isa => 'Str'
28			);
29
30	dpavlin	770	has limit => (
31			is => 'rw',
32			isa => 'Int',
33			default => 50,
34			);
35
36	dpavlin	1066	has include_diff => (
37			is => 'ro',
38			isa => 'Bool',
39			default => 1,
40			);
41
42	dpavlin	1067	has file_stats => (
43			is => 'ro',
44			isa => 'Bool',
45			default => 1,
46			);
47
48	dpavlin	804	sub iterator {
49			my ($self,$coderef) = @_;
50
51	dpavlin	769	sub sh_regex($$) {
52			my ($cmd,$regex) = @_;
53			open(my $sh, $cmd . ' \|') \|\| die "sh_regex failed on $cmd: $!";
54			while(my $l = <$sh>) {
55			chomp($l);
56			if ($l =~ $regex) {
57			if ($1 && $2) {
58			return ($1,$2);
59			} elsif ($1) {
60			return $1;
61			} else {
62			return $l;
63			}
64			}
65			}
66			#warn "can't find $regex in output of $cmd\n";
67			return;
68			}
69
70	dpavlin	987	my $path = $self->repository . $self->path;
71	dpavlin	769	warn "# path $path\n";
72
73			my $cmd;
74	dpavlin	1066	my $svn_path = $path;
75
76	dpavlin	769	if ($path =~ m#file://# \|\| -e "$path/.svn") {
77			$cmd = "svn log -v --xml $path";
78			} else {
79	dpavlin	1066	$svn_path = sh_regex('svk info', qr#Mirrored From:\s+([^,]+)#i);
80	dpavlin	769
81			if (! $svn_path) {
82
83			my $svk_depot = sh_regex('svk info', qr#Depot Path: (/.+)#i);
84
85			my $depot = $svk_depot;
86			my $rel_path;
87
88			my $path = sh_regex('svk depot --list', qr/^$depot\s+(\S+)/i);
89
90			while (! $path && $depot =~ s{^(/.*/)([^/]+)/?$}{$1} ) {
91			$rel_path = "$2/$rel_path";
92			$path = sh_regex('svk depot --list', qr/^$depot\s+(\S+)/i);
93			}
94
95			die "can't find depot path '$svk_depot' in svk depot --list\n" unless ($path);
96			$svn_path = "file:///$path/$rel_path";
97			}
98
99			$cmd = "svn log -v --xml $svn_path";
100			}
101
102	dpavlin	770	$cmd .= " --limit " . $self->limit if $self->limit;
103
104	dpavlin	769	warn "# $cmd\n";
105			open(my $fh, $cmd .' \|') \|\| die "failed $cmd: $!";
106			my $log;
107			while(<$fh>) {
108			$log .= $_;
109			}
110			close($fh);
111
112			my $xml = XMLin($log, ForceArray => [ 'logentry', 'path' ]);
113
114	dpavlin	804	foreach my $e (@{$xml->{'logentry'}}) {
115	dpavlin	875	warn "# e = ",$self->dump( $e ) if $self->debug;
116	dpavlin	1066
117	dpavlin	1067	if ( $self->include_diff \|\| $self->file_stats ) {
118	dpavlin	1066	my $rev = $e->{'revision'};
119			my $file = $svn_path;
120			$file =~ s{^\w+:/+}{};
121	dpavlin	1067	my $file = "var/svn/$file/$rev.diff";
122	dpavlin	1066	my $diff = $self->load( $file );
123			if ( ! $diff ) {
124			$diff = `svn diff -c $rev $svn_path`;
125			$self->store( $file, $diff );
126			}
127	dpavlin	1067
128			$e->{diff} .= $diff if $self->include_diff;
129
130			$e->{diff_paths}->{rev} = $rev; # XXX debug
131
132			my $diff_path;
133			foreach my $line ( split(/[\n\r]/, $diff ) ) {
134			if ( $line =~ m{^\+\+\+ (\S+)} ) {
135			$diff_path = "/$1"; # subversion paths start with /
136			} elsif ( $line =~ m{^\+} ) {
137			$e->{diff_paths}->{$diff_path}->{added}++;
138			} elsif ( $line =~ m{^-} ) {
139			$e->{diff_paths}->{$diff_path}->{removed}++;
140			}
141			}
142	dpavlin	1066	}
143
144	dpavlin	804	$coderef->($e);
145			}
146			}
147
148			sub as_markup {
149			my ($self) = @_;
150
151			# extract svk revision: r113@athlon (orig r999): dpavlin \| 2005-09-01 20:38:07 +0200
152			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';
153
154			sub encode {
155			my $foo = shift;
156			$foo =~ s/$svk_rev_re//gsm;
157			$foo =~ s/</</g;
158			$foo =~ s/>/>/g;
159			$foo =~ s/"/"/g;
160	dpavlin	909	# $foo =~ s/([\n\r][\n\r]+)/$1<br\/>/gis;
161	dpavlin	804	$foo =~ s/([\n\r]+)([\-\*]\s+)/$1<br\/>$2/gis;
162			$foo =~ s/([\n\r]+)(r\d+:\s+)/$1<br\/>$2/gis;
163			$foo =~ s/([\n\r]+)(\s+r\d+@)/$1<br\/>$2/gis; # svk
164			return $foo;
165			}
166
167	dpavlin	987	my $repository = $self->repository;
168			my $path = $self->path;
169	dpavlin	769
170	dpavlin	987	our $html = qq\|
171			<h1><a href="?repository=$repository">$repository</a></h1>
172			<h2>$path</h2>
173			\|;
174
175	dpavlin	852	$self->add_css(qq\|
176	dpavlin	909	.commit {
177			clear: both;
178			padding-top: 1em;
179			padding-bottom: 1em;
180			border-top: 1px dashed #ccc;
181			}
182			.files {
183			color: #888;
184			font-family: monospace;
185			font-size: 80%;
186			float: right;
187			padding-bottom: 1.2em; /* fix 80% back to original 1em */
188			}
189	dpavlin	987	.files a {
190			text-decoration: none;
191			color: #888;
192			}
193	dpavlin	852	.date, .revision { color: #666; }
194	dpavlin	909	.message {
195			padding-top: 0.5em;
196			padding-left: 2em; /* like blockquote */
197			white-space: pre-wrap;
198			}
199	dpavlin	852
200			ins { color: #8c8 }
201			del { color: #c88 }
202			\|);
203
204	dpavlin	1013	my $max_path_len = 0;
205			my $path_count;
206
207	dpavlin	804	$self->iterator( sub {
208			my $e = shift;
209
210	dpavlin	769	my $rev = $e->{'revision'};
211			my $date = $e->{'date'};
212
213			$date =~ s/T/ /;
214			$date =~ s/\.\d+Z$//;
215
216	dpavlin	852	my $msg = $e->{'msg'};
217			$msg = '' if ref($msg); # FIXME why do I need this, dammit?
218			if ( $msg ) {
219			$msg = encode( $msg );
220			$msg = qq\|<div class="message">$msg</div>\|;
221			}
222
223	dpavlin	769	my @files;
224
225			foreach my $p (@{$e->{'paths'}->{'path'}}) {
226			my ($action,$path) = ($p->{'action'},$p->{'content'});
227
228			if ($action eq "A") {
229			push @files, "<ins>$path</ins>";
230			} elsif ($action eq "D") {
231			push @files, "<del>$path</del>";
232	dpavlin	851	} else {
233	dpavlin	769	push @files, $path;
234			}
235	dpavlin	1013
236			$max_path_len = length $path if length $path > $max_path_len;
237			$path_count->{$path}++;
238	dpavlin	769	}
239
240	dpavlin	1066	my $diff = $self->html_diff( $e->{diff} ) if $e->{diff};
241
242	dpavlin	1067	$html .= $self->dump( $e->{diff_paths} );
243
244	dpavlin	909	$html .= qq\|
245			<div class="commit">
246	dpavlin	987	<span class="date">$date</span>
247			<em>$e->{author}</em>
248			<span class="revision">$e->{revision}</span>
249			<div class="files">\n
250			\|
251			. join("<br>\n",
252			map {
253	dpavlin	1013	my $path = $_;
254			$path =~ s{<[^>]+>}{}g;
255			qq\|<a href="?repository=$repository;path=$path" title="$path ##">$_</a>\|
256	dpavlin	987	} @files
257			)
258			. qq\|
259			</div>
260			$msg
261	dpavlin	1066	$diff
262	dpavlin	909	</div>
263			\|;
264	dpavlin	769
265	dpavlin	804	});
266	dpavlin	769
267	dpavlin	1013	$self->add_css(qq\|
268			.files {
269			width: ${max_path_len}ex;
270			}
271			\|);
272
273			$html =~ s[title="(\S+) ##"]['title="' . $path_count->{$1} . '"']gse;
274
275	dpavlin	769	return $html;
276			}
277
278	dpavlin	805	sub codeswarm_as_markup {
279			my ($self) = @_;
280
281			$self->content_type('text/xml');
282
283			my $file_events = '';
284
285			$self->iterator( sub {
286			my $e = shift;
287
288			my $rev = $e->{'revision'};
289	dpavlin	807	my $date = DateTimeX::Easy->new( $e->{'date'} )->epoch . '000'; # ms
290	dpavlin	805	my $author = $e->{'author'};
291
292			foreach my $p (@{$e->{'paths'}->{'path'}}) {
293			my ($action,$path) = ($p->{'action'},$p->{'content'});
294	dpavlin	1067	my $weight = '';
295			if ( defined $e->{diff_paths}->{$path} ) {
296			$weight = $e->{diff_paths}->{$path}->{removed};
297			$weight += $e->{diff_paths}->{$path}->{added} * 2;
298			$weight = qq\| weight="$weight" \|;
299			}
300			$file_events .= qq\|\t<event filename="$path" date="$date" author="$author"$weight/>\n\|;
301	dpavlin	805	}
302
303			});
304
305			return qq\|<?xml version="1.0"?>
306			<!-- One commit per day for one month by a documenter and programmer. -->
307			<file_events>
308			$file_events
309			</file_events>
310			\|;
311
312			}
313
314	dpavlin	769	1;