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1 | use MooseX::Declare; |
2 | |
3 | class Gitalist::Git::Project { |
4 | # FIXME, use Types::Path::Class and coerce |
5 | use MooseX::Types::Common::String qw/NonEmptySimpleStr/; |
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6 | use MooseX::Types::Moose qw/Str Maybe Bool HashRef/; |
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7 | use DateTime; |
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8 | use MooseX::Types::Path::Class qw/Dir/; |
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9 | use List::MoreUtils qw/any zip/; |
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10 | use Gitalist::Git::Util; |
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11 | use aliased 'Gitalist::Git::Object'; |
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12 | |
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13 | our $SHA1RE = qr/[0-9a-fA-F]{40}/; |
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14 | |
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15 | has name => ( isa => NonEmptySimpleStr, |
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16 | is => 'ro', required => 1 ); |
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17 | has path => ( isa => Dir, |
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18 | is => 'ro', required => 1); |
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19 | |
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20 | has description => ( isa => Str, |
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21 | is => 'ro', |
22 | lazy_build => 1, |
23 | ); |
24 | has owner => ( isa => NonEmptySimpleStr, |
25 | is => 'ro', |
26 | lazy_build => 1, |
27 | ); |
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28 | has last_change => ( isa => Maybe['DateTime'], |
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29 | is => 'ro', |
30 | lazy_build => 1, |
31 | ); |
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32 | has _util => ( isa => 'Gitalist::Git::Util', |
33 | is => 'ro', |
34 | lazy_build => 1, |
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35 | handles => [ 'run_cmd', 'get_gpp_object' ], |
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36 | ); |
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37 | |
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38 | has project_dir => ( isa => Dir, |
39 | is => 'ro', |
40 | lazy => 1, |
41 | default => sub { |
42 | my $self = shift; |
43 | $self->is_bare |
44 | ? $self->path |
45 | : $self->path->subdir('.git') |
46 | }, |
47 | ); |
48 | has is_bare => ( |
49 | isa => Bool, |
50 | is => 'ro', |
51 | lazy => 1, |
52 | default => sub { |
53 | my $self = shift; |
54 | -f $self->path->file('.git', 'HEAD') |
55 | ? 0 |
56 | : -f $self->path->file('HEAD') |
57 | ? 1 |
58 | : confess("Cannot find " . $self->path . "/.git/HEAD or " |
59 | . $self->path . "/HEAD"); |
60 | }, |
61 | ); |
62 | |
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63 | method BUILD { |
64 | $self->$_() for qw/_util last_change owner description/; # Ensure to build early. |
65 | } |
66 | |
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67 | method _project_dir { |
68 | -f $self->{path}->file('.git', 'HEAD') |
69 | ? $self->{path}->subdir('.git') |
70 | : $self->{path}; |
71 | } |
72 | |
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73 | method _build__util { |
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74 | Gitalist::Git::Util->new( |
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75 | project => $self, |
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76 | ); |
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77 | } |
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78 | |
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79 | method _build_description { |
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80 | my $description = ""; |
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81 | eval { |
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82 | $description = $self->project_dir->file('description')->slurp; |
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83 | chomp $description; |
84 | }; |
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85 | return $description; |
86 | } |
87 | |
88 | method _build_owner { |
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89 | my ($gecos, $name) = (getpwuid $self->project_dir->stat->uid)[6,0]; |
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90 | $gecos =~ s/,+$//; |
91 | return length($gecos) ? $gecos : $name; |
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92 | } |
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93 | |
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94 | method _build_last_change { |
95 | my $last_change; |
96 | my $output = $self->run_cmd( |
97 | qw{ for-each-ref --format=%(committer) |
98 | --sort=-committerdate --count=1 refs/heads |
99 | }); |
100 | if (my ($epoch, $tz) = $output =~ /\s(\d+)\s+([+-]\d+)$/) { |
101 | my $dt = DateTime->from_epoch(epoch => $epoch); |
102 | $dt->set_time_zone($tz); |
103 | $last_change = $dt; |
104 | } |
105 | return $last_change; |
106 | } |
107 | |
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108 | method heads { |
109 | my $cmdout = $self->run_cmd(qw/for-each-ref --sort=-committerdate /, '--format=%(objectname)%00%(refname)%00%(committer)', 'refs/heads'); |
110 | my @output = $cmdout ? split(/\n/, $cmdout) : (); |
111 | my @ret; |
112 | for my $line (@output) { |
113 | my ($rev, $head, $commiter) = split /\0/, $line, 3; |
114 | $head =~ s!^refs/heads/!!; |
115 | |
116 | push @ret, { sha1 => $rev, name => $head }; |
117 | |
118 | #FIXME: That isn't the time I'm looking for.. |
119 | if (my ($epoch, $tz) = $line =~ /\s(\d+)\s+([+-]\d+)$/) { |
120 | my $dt = DateTime->from_epoch(epoch => $epoch); |
121 | $dt->set_time_zone($tz); |
122 | $ret[-1]->{last_change} = $dt; |
123 | } |
124 | } |
125 | |
126 | return @ret; |
127 | } |
128 | |
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129 | method references { |
130 | return $self->{references} |
131 | if $self->{references}; |
132 | |
133 | # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11 |
134 | # c39ae07f393806ccf406ef966e9a15afc43cc36a refs/tags/v2.6.11^{} |
135 | my $cmdout = $self->run_cmd(qw(show-ref --dereference)) |
136 | or return; |
137 | my @reflist = $cmdout ? split(/\n/, $cmdout) : (); |
138 | my %refs; |
139 | for(@reflist) { |
140 | push @{$refs{$1}}, $2 |
141 | if m!^($SHA1RE)\srefs/(.*)$!; |
142 | } |
143 | |
144 | return $self->{references} = \%refs; |
145 | } |
146 | |
147 | method valid_rev (Str $rev) { |
148 | return ($rev =~ /^($SHA1RE)$/); |
149 | } |
150 | |
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151 | |
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152 | =head2 head_hash |
153 | |
154 | Find the hash of a given head (defaults to HEAD). |
155 | |
156 | =cut |
157 | |
158 | method head_hash (Str $head?) { |
159 | my $output = $self->run_cmd(qw/rev-parse --verify/, $head || 'HEAD' ); |
160 | return unless defined $output; |
161 | |
162 | my($sha1) = $output =~ /^($SHA1RE)$/; |
163 | return $sha1; |
164 | } |
165 | |
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166 | =head2 list_tree |
167 | |
168 | Return an array of contents for a given tree. |
169 | The tree is specified by sha1, and defaults to HEAD. |
170 | The keys for each item will be: |
171 | |
172 | mode |
173 | type |
174 | object |
175 | file |
176 | |
177 | =cut |
178 | |
179 | method list_tree (Str $sha1?) { |
180 | $sha1 ||= $self->head_hash; |
181 | |
182 | my $output = $self->run_cmd(qw/ls-tree -z/, $sha1); |
183 | return unless defined $output; |
184 | |
185 | my @ret; |
186 | for my $line (split /\0/, $output) { |
187 | my ($mode, $type, $object, $file) = split /\s+/, $line, 4; |
188 | push @ret, Object->new( mode => oct $mode, |
189 | type => $type, |
190 | sha1 => $object, |
191 | file => $file, |
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192 | project => $self, |
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193 | ); |
194 | } |
195 | return @ret; |
196 | } |
197 | |
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198 | method get_object (Str $sha1) { |
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199 | return Object->new( |
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200 | project => $self, |
201 | sha1 => $sha1, |
202 | ); |
203 | } |
204 | |
205 | # Should be in ::Object |
206 | method get_object_mode_string (Gitalist::Git::Object $object) { |
207 | return unless $object && $object->{mode}; |
208 | return $object->{modestr}; |
209 | } |
210 | |
211 | method get_object_type ($object) { |
212 | chomp(my $output = $self->run_cmd(qw/cat-file -t/, $object)); |
213 | return unless $output; |
214 | |
215 | return $output; |
216 | } |
217 | |
218 | method cat_file ($object) { |
219 | my $type = $self->get_object_type($object); |
220 | die "object `$object' is not a file\n" |
221 | if (!defined $type || $type ne 'blob'); |
222 | |
223 | my $output = $self->run_cmd(qw/cat-file -p/, $object); |
224 | return unless $output; |
225 | |
226 | return $output; |
227 | } |
228 | |
229 | method hash_by_path ($base, $path?, $type?) { |
230 | $path ||= ''; |
231 | $path =~ s{/+$}(); |
232 | |
233 | my $output = $self->run_cmd('ls-tree', $base, '--', $path) |
234 | or return; |
235 | my($line) = $output ? split(/\n/, $output) : (); |
236 | |
237 | #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa panic.c' |
238 | $line =~ m/^([0-9]+) (.+) ($SHA1RE)\t/; |
239 | return defined $type && $type ne $2 |
240 | ? () |
241 | : $3; |
242 | } |
243 | |
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244 | method list_revs ( NonEmptySimpleStr :$sha1!, |
245 | Int :$count?, |
246 | Int :$skip?, |
247 | HashRef :$search?, |
248 | NonEmptySimpleStr :$file? |
249 | ) { |
250 | $sha1 = $self->head_hash($sha1) |
251 | if !$sha1 || $sha1 !~ $SHA1RE; |
252 | |
253 | my @search_opts; |
254 | if($search) { |
255 | $search->{type} = 'grep' |
256 | if $search->{type} eq 'commit'; |
257 | @search_opts = ( |
258 | # This seems a little fragile ... |
259 | qq[--$search->{type}=$search->{text}], |
260 | '--regexp-ignore-case', |
261 | $search->{regexp} ? '--extended-regexp' : '--fixed-strings' |
262 | ); |
263 | } |
264 | |
265 | my $output = $self->run_cmd( |
266 | 'rev-list', |
267 | '--header', |
268 | (defined $count ? "--max-count=$count" : ()), |
269 | (defined $skip ? "--skip=$skip" : ()), |
270 | @search_opts, |
271 | $sha1, |
272 | '--', |
273 | ($file ? $file : ()), |
274 | ); |
275 | return unless $output; |
276 | |
277 | my @revs = $self->parse_rev_list($output); |
278 | |
279 | return @revs; |
280 | } |
281 | |
282 | method parse_rev_list ($output) { |
283 | return |
284 | map $self->get_gpp_object($_), |
285 | grep $self->valid_rev($_), |
286 | map split(/\n/, $_, 6), split /\0/, $output; |
287 | } |
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288 | |
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289 | # XXX Ideally this would return a wee object instead of ad hoc structures. |
290 | method diff ( Gitalist::Git::Object :$commit, |
291 | Bool :$patch?, |
292 | NonEmptySimpleStr :$parent?, |
293 | NonEmptySimpleStr :$file? ) { |
294 | # Use parent if specifed, else take the parent from the commit |
295 | # if there is only one, otherwise it was a merge commit. |
296 | $parent = $parent |
297 | ? $parent |
298 | : $commit->parents <= 1 |
299 | ? $commit->parent_sha1 |
300 | : '-c'; |
301 | my @etc = ( |
302 | ( $file ? ('--', $file) : () ), |
303 | ); |
304 | |
305 | my @out = $self->raw_diff( |
306 | ( $patch ? '--patch-with-raw' : () ), |
307 | $parent, $commit->sha1, @etc |
308 | ); |
309 | |
310 | # XXX Yes, there is much wrongness having parse_diff_tree be destructive. |
311 | my @difftree = $self->parse_diff_tree(\@out); |
312 | |
313 | return \@difftree |
314 | unless $patch; |
315 | |
316 | # The blank line between the tree and the patch. |
317 | shift @out; |
318 | |
319 | # XXX And no I'm not happy about having diff return tree + patch. |
320 | return \@difftree, [$self->parse_diff(@out)]; |
321 | } |
322 | |
323 | method parse_diff (@diff) { |
324 | my @ret; |
325 | for (@diff) { |
326 | # This regex is a little pathological. |
327 | if(m{^diff --git (a/(.*?)) (b/\2)}) { |
328 | push @ret, { |
329 | head => $_, |
330 | a => $1, |
331 | b => $3, |
332 | file => $2, |
333 | diff => '', |
334 | }; |
335 | next; |
336 | } |
337 | |
338 | if(/^index (\w+)\.\.(\w+) (\d+)$/) { |
339 | @{$ret[-1]}{qw(index src dst mode)} = ($_, $1, $2, $3); |
340 | next |
341 | } |
342 | |
343 | # XXX Somewhat hacky. Ahem. |
344 | $ret[@ret ? -1 : 0]{diff} .= "$_\n"; |
345 | } |
346 | |
347 | return @ret; |
348 | } |
349 | |
350 | # gitweb uses the following sort of command for diffing merges: |
351 | # /home/dbrook/apps/bin/git --git-dir=/home/dbrook/dev/app/.git diff-tree -r -M --no-commit-id --patch-with-raw --full-index --cc 316cf158df3f6207afbae7270bcc5ba0 -- |
352 | # and for regular diffs |
353 | # /home/dbrook/apps/bin/git --git-dir=/home/dbrook/dev/app/.git diff-tree -r -M --no-commit-id --patch-with-raw --full-index 2e3454ca0749641b42f063730b0090e1 316cf158df3f6207afbae7270bcc5ba0 -- |
354 | |
355 | method raw_diff (@args) { |
356 | my $cmdout = $self->run_cmd( |
357 | qw(diff-tree -r -M --no-commit-id --full-index), |
358 | @args |
359 | ); |
360 | return $cmdout ? split(/\n/, $cmdout) : (); |
361 | } |
362 | |
363 | method parse_diff_tree ($diff) { |
364 | my @keys = qw(modesrc modedst sha1src sha1dst status src dst); |
365 | my @ret; |
366 | while (@$diff and $diff->[0] =~ /^:\d+/) { |
367 | my $line = shift @$diff; |
368 | # see. man git-diff-tree for more info |
369 | # mode src, mode dst, sha1 src, sha1 dst, status, src[, dst] |
370 | my @vals = $line =~ /^:(\d+) (\d+) ($SHA1RE) ($SHA1RE) ([ACDMRTUX]\d*)\t([^\t]+)(?:\t([^\n]+))?$/; |
371 | my %line = zip @keys, @vals; |
372 | # Some convenience keys |
373 | $line{file} = $line{src}; |
374 | $line{sha1} = $line{sha1dst}; |
375 | $line{is_new} = $line{sha1src} =~ /^0+$/ |
376 | if $line{sha1src}; |
377 | @line{qw/status sim/} = $line{status} =~ /(R)(\d+)/ |
378 | if $line{status} =~ /^R/; |
379 | push @ret, \%line; |
380 | } |
381 | |
382 | return @ret; |
383 | } |
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384 | |
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385 | # Compatibility |
386 | |
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387 | =head2 info |
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388 | |
389 | Returns a hash containing properties of this project. The keys will |
390 | be: |
391 | |
392 | name |
393 | description (empty if .git/description is empty/unnamed) |
394 | owner |
395 | last_change |
396 | |
397 | =cut |
398 | |
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399 | method info { |
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400 | return { |
401 | name => $self->name, |
402 | description => $self->description, |
403 | owner => $self->owner, |
404 | last_change => $self->last_change, |
405 | }; |
406 | }; |
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407 | |
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408 | } # end class |