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1 | use MooseX::Declare; |
2 | |
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3 | class Gitalist::Git::Repository with Gitalist::Git::HasUtils { |
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4 | # FIXME, use Types::Path::Class and coerce |
5 | use MooseX::Types::Common::String qw/NonEmptySimpleStr/; |
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6 | use MooseX::Types::Path::Class qw/Dir/; |
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7 | use MooseX::Types::Moose qw/Str Maybe Bool HashRef ArrayRef/; |
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8 | use Gitalist::Git::Types qw/SHA1/; |
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9 | use Moose::Autobox; |
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10 | use List::MoreUtils qw/any zip/; |
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11 | use DateTime; |
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12 | use Encode qw/decode/; |
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13 | use I18N::Langinfo qw/langinfo CODESET/; |
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14 | use Gitalist::Git::Object::Blob; |
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15 | use Gitalist::Git::Object::Tree; |
16 | use Gitalist::Git::Object::Commit; |
17 | use Gitalist::Git::Object::Tag; |
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18 | |
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19 | our $SHA1RE = qr/[0-9a-fA-F]{40}/; |
20 | |
21 | around BUILDARGS (ClassName $class: Dir $dir) { |
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22 | # Allows us to be called as Repository->new($dir) |
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23 | # Last path component becomes $self->name |
24 | # Full path to git objects becomes $self->path |
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25 | my $name = $dir->dir_list(-1); |
26 | $dir = $dir->subdir('.git') if (-f $dir->file('.git', 'HEAD')); |
27 | confess("Can't find a git repository at " . $dir) |
28 | unless ( -f $dir->file('HEAD') ); |
29 | return $class->$orig(name => $name, |
30 | path => $dir); |
31 | } |
32 | |
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33 | has name => ( isa => NonEmptySimpleStr, |
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34 | is => 'ro', required => 1 ); |
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35 | |
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36 | has path => ( isa => Dir, |
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37 | is => 'ro', required => 1); |
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38 | |
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39 | has description => ( isa => Str, |
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40 | is => 'ro', |
41 | lazy_build => 1, |
42 | ); |
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43 | |
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44 | has owner => ( isa => NonEmptySimpleStr, |
45 | is => 'ro', |
46 | lazy_build => 1, |
47 | ); |
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48 | |
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49 | has last_change => ( isa => Maybe['DateTime'], |
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50 | is => 'ro', |
51 | lazy_build => 1, |
52 | ); |
53 | |
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54 | has is_bare => ( isa => Bool, |
55 | is => 'ro', |
56 | lazy => 1, |
57 | default => sub { |
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58 | -d $_[0]->path->parent->subdir($_[0]->name) |
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59 | ? 1 : 0 |
60 | }, |
61 | ); |
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62 | has heads => ( isa => ArrayRef[HashRef], |
63 | is => 'ro', |
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64 | lazy_build => 1); |
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65 | has tags => ( isa => ArrayRef[HashRef], |
66 | is => 'ro', |
67 | lazy_build => 1); |
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68 | has references => ( isa => HashRef[ArrayRef[Str]], |
69 | is => 'ro', |
70 | lazy_build => 1 ); |
71 | |
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72 | method BUILD { |
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73 | $self->$_() for qw/last_change owner description /; # Ensure to build early. |
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74 | } |
75 | |
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76 | ## Public methods |
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77 | |
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78 | method head_hash (Str $head?) { |
79 | my $output = $self->run_cmd(qw/rev-parse --verify/, $head || 'HEAD' ); |
80 | confess("No such head: " . $head) unless defined $output; |
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81 | |
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82 | my($sha1) = $output =~ /^($SHA1RE)$/; |
83 | return $sha1; |
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84 | } |
85 | |
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86 | method get_object (NonEmptySimpleStr $sha1) { |
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87 | unless (is_SHA1($sha1)) { |
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88 | $sha1 = $self->head_hash($sha1); |
89 | } |
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90 | my $type = $self->run_cmd('cat-file', '-t', $sha1); |
91 | chomp($type); |
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92 | my $class = 'Gitalist::Git::Object::' . ucfirst($type); |
93 | $class->new( |
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94 | repository => $self, |
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95 | sha1 => $sha1, |
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96 | type => $type, |
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97 | ); |
98 | } |
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99 | |
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100 | method list_revs ( NonEmptySimpleStr :$sha1!, |
101 | Int :$count?, |
102 | Int :$skip?, |
103 | HashRef :$search?, |
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104 | NonEmptySimpleStr :$file? ) { |
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105 | $sha1 = $self->head_hash($sha1) |
106 | if !$sha1 || $sha1 !~ $SHA1RE; |
107 | |
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108 | my @search_opts; |
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109 | if ($search and exists $search->{text}) { |
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110 | $search->{type} = 'grep' |
111 | if $search->{type} eq 'commit'; |
112 | @search_opts = ( |
113 | # This seems a little fragile ... |
114 | qq[--$search->{type}=$search->{text}], |
115 | '--regexp-ignore-case', |
116 | $search->{regexp} ? '--extended-regexp' : '--fixed-strings' |
117 | ); |
118 | } |
119 | |
120 | my $output = $self->run_cmd( |
121 | 'rev-list', |
122 | '--header', |
123 | (defined $count ? "--max-count=$count" : ()), |
124 | (defined $skip ? "--skip=$skip" : ()), |
125 | @search_opts, |
126 | $sha1, |
127 | '--', |
128 | ($file ? $file : ()), |
129 | ); |
130 | return unless $output; |
131 | |
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132 | my @revs = $self->_parse_rev_list($output); |
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133 | |
134 | return @revs; |
135 | } |
136 | |
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137 | method snapshot (NonEmptySimpleStr :$sha1, |
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138 | NonEmptySimpleStr :$format |
139 | ) { |
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140 | # TODO - only valid formats are 'tar' and 'zip' |
141 | my $formats = { tgz => 'tar', zip => 'zip' }; |
142 | unless ($formats->exists($format)) { |
143 | die("No such format: $format"); |
144 | } |
145 | $format = $formats->{$format}; |
146 | my $name = $self->name; |
147 | $name =~ s,([^/])/*\.git$,$1,; |
148 | my $filename = $name; |
149 | $filename .= "-$sha1.$format"; |
150 | $name =~ s/\047/\047\\\047\047/g; |
151 | |
152 | my @cmd = ('archive', "--format=$format", "--prefix=$name/", $sha1); |
153 | return ($filename, $self->run_cmd_fh(@cmd)); |
154 | # TODO - support compressed archives |
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155 | } |
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156 | |
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157 | method reflog (@logargs) { |
158 | my @entries |
159 | = $self->run_cmd(qw(log -g), @logargs) |
160 | =~ /(^commit.+?(?:(?=^commit)|(?=\z)))/msg; |
161 | |
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162 | # commit 02526fc15beddf2c64798a947fecdd8d11bf993d |
163 | # Reflog: HEAD@{14} (The Git Server <git@git.dev.venda.com>) |
164 | # Reflog message: push |
165 | # Author: Foo Barsby <fbarsby@example.com> |
166 | # Date: Thu Sep 17 12:26:05 2009 +0100 |
167 | # |
168 | # Merge branch 'abc123' |
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169 | |
170 | return map { |
171 | # XXX Stuff like this makes me want to switch to Git::PurePerl |
172 | my($sha1, $type, $author, $date) |
173 | = m{ |
174 | ^ commit \s+ ($SHA1RE)$ |
175 | .*? |
176 | Reflog[ ]message: \s+ (.+?)$ \s+ |
177 | Author: \s+ ([^<]+) <.*?$ \s+ |
178 | Date: \s+ (.+?)$ |
179 | }xms; |
180 | |
181 | pos($_) = index($_, $date) + length $date; |
182 | |
183 | # Yeah, I just did that. |
184 | my($msg) = /\G\s+(\S.*)/sg; |
185 | { |
186 | hash => $sha1, |
187 | type => $type, |
188 | author => $author, |
189 | |
190 | # XXX Add DateTime goodness. |
191 | date => $date, |
192 | message => $msg, |
193 | } |
194 | ; |
195 | } @entries; |
196 | } |
197 | |
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198 | ## BUILDERS |
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199 | method _build_util { |
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200 | Gitalist::Git::Util->new( |
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201 | repository => $self, |
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202 | ); |
203 | } |
204 | |
205 | method _build_description { |
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206 | my $description = ""; |
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207 | eval { |
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208 | $description = $self->path->file('description')->slurp; |
209 | chomp $description; |
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210 | }; |
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211 | $description = "Unnamed repository, edit the .git/description file to set a description" |
212 | if $description eq "Unnamed repository; edit this file 'description' to name the repository."; |
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213 | return $description; |
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214 | } |
215 | |
216 | method _build_owner { |
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217 | my ($gecos, $name) = map { decode(langinfo(CODESET), $_) } (getpwuid $self->path->stat->uid)[6,0]; |
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218 | $gecos =~ s/,+$//; |
219 | return length($gecos) ? $gecos : $name; |
220 | } |
221 | |
222 | method _build_last_change { |
223 | my $last_change; |
224 | my $output = $self->run_cmd( |
225 | qw{ for-each-ref --format=%(committer) |
226 | --sort=-committerdate --count=1 refs/heads |
227 | }); |
228 | if (my ($epoch, $tz) = $output =~ /\s(\d+)\s+([+-]\d+)$/) { |
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229 | my $dt = DateTime->from_epoch(epoch => $epoch); |
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230 | $dt->set_time_zone($tz); |
231 | $last_change = $dt; |
232 | } |
233 | return $last_change; |
234 | } |
235 | |
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236 | method _build_heads { |
237 | my @revlines = $self->run_cmd_list(qw/for-each-ref --sort=-committerdate /, '--format=%(objectname)%00%(refname)%00%(committer)', 'refs/heads'); |
238 | my @ret; |
239 | for my $line (@revlines) { |
240 | my ($rev, $head, $commiter) = split /\0/, $line, 3; |
241 | $head =~ s!^refs/heads/!!; |
242 | |
243 | push @ret, { sha1 => $rev, name => $head }; |
244 | |
245 | #FIXME: That isn't the time I'm looking for.. |
246 | if (my ($epoch, $tz) = $line =~ /\s(\d+)\s+([+-]\d+)$/) { |
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247 | my $dt = DateTime->from_epoch(epoch => $epoch); |
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248 | $dt->set_time_zone($tz); |
249 | $ret[-1]->{last_change} = $dt; |
250 | } |
251 | } |
252 | |
253 | return \@ret; |
254 | } |
255 | |
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256 | method _build_tags { |
257 | my @revlines = $self->run_cmd_list('for-each-ref', |
258 | '--sort=-creatordate', |
259 | '--format=%(objectname) %(objecttype) %(refname) %(*objectname) %(*objecttype) %(subject)%00%(creator)', |
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260 | 'refs/tags' |
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261 | ); |
262 | my @ret; |
263 | for my $line (@revlines) { |
264 | my($refinfo, $creatorinfo) = split /\0/, $line; |
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265 | my($rev, $type, $name, $refid, $reftype, $title) = split(' ', $refinfo, 6); |
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266 | my($creator, $epoch, $tz) = ($creatorinfo =~ /^(.*) ([0-9]+) (.*)$/); |
267 | $name =~ s!^refs/tags/!!; |
268 | |
269 | push @ret, { sha1 => $rev, name => $name }; |
270 | |
271 | #FIXME: That isn't the time I'm looking for.. |
272 | if($epoch and $tz) { |
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273 | my $dt = DateTime->from_epoch(epoch => $epoch); |
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274 | $dt->set_time_zone($tz); |
275 | $ret[-1]->{last_change} = $dt; |
276 | } |
277 | } |
278 | |
279 | return \@ret; |
280 | } |
281 | |
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282 | method _build_references { |
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283 | # 5dc01c595e6c6ec9ccda4f6f69c131c0dd945f8c refs/tags/v2.6.11 |
284 | # c39ae07f393806ccf406ef966e9a15afc43cc36a refs/tags/v2.6.11^{} |
285 | my @reflist = $self->run_cmd_list(qw(show-ref --dereference)) |
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286 | or return; |
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287 | my %refs; |
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288 | for (@reflist) { |
289 | push @{$refs{$1}}, $2 |
290 | if m!^($SHA1RE)\srefs/(.*)$!; |
291 | } |
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292 | |
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293 | return \%refs; |
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294 | } |
295 | |
296 | ## Private methods |
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297 | method _parse_rev_list ($output) { |
298 | return |
299 | map $self->get_gpp_object($_), |
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300 | grep is_SHA1($_), |
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301 | map split(/\n/, $_, 6), split /\0/, $output; |
302 | } |
303 | |
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304 | } # end class |
305 | |
306 | __END__ |
307 | |
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308 | =head1 NAME |
309 | |
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310 | Gitalist::Git::Repository - Model of a git repository |
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311 | |
312 | =head1 SYNOPSIS |
313 | |
314 | my $gitrepo = dir('/repo/base/Gitalist'); |
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315 | my $repository = Gitalist::Git::Repository->new($gitrepo); |
316 | $repository->name; # 'Gitalist' |
317 | $repository->path; # '/repo/base/Gitalist/.git' |
318 | $repository->description; # 'Unnamed repository.' |
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319 | |
320 | =head1 DESCRIPTION |
321 | |
322 | This class models a git repository, referred to in Gitalist |
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323 | as a "Repository". |
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324 | |
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325 | |
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326 | =head1 ATTRIBUTES |
327 | |
328 | =head2 name |
329 | |
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330 | The name of the Repository. If unspecified, this will be derived from the path to the git repository. |
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331 | |
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332 | =head2 path |
333 | |
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334 | L<Path::Class:Dir> for the filesystem path to the git repository. |
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335 | |
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336 | =head2 description |
337 | |
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338 | The contents of .git/description. |
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339 | |
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340 | =head2 owner |
341 | |
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342 | Owner of the files on the filesystem. |
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343 | |
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344 | =head2 last_change |
345 | |
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346 | The L<DateTime> of the last modification of the repository. This will be C<undef> if the repository has never been used. |
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347 | |
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348 | =head2 is_bare |
349 | |
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350 | True if this is a bare git repository. |
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351 | |
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352 | =head2 heads |
353 | |
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354 | =head2 tags |
355 | |
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356 | An array of the name and sha1 of all heads/tags in the repository. |
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357 | |
358 | =head2 references |
359 | |
360 | Hashref of ArrayRefs for each reference. |
361 | |
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362 | |
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363 | =head1 METHODS |
364 | |
365 | =head2 head_hash ($head?) |
366 | |
367 | Return the sha1 for HEAD, or any specified head. |
368 | |
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369 | =head2 get_object ($sha1) |
370 | |
371 | Return an appropriate subclass of L<Gitalist::Git::Object> for the given sha1. |
372 | |
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373 | =head2 list_revs ($sha1, $count?, $skip?, \%search?, $file?) |
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374 | |
375 | Returns a list of revs for the given head ($sha1). |
376 | |
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377 | =head2 snapshot ($sha1, $format) |
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378 | |
379 | Generate an archived snapshot of the repository. |
380 | $sha1 should be a commit or tree. |
381 | Returns a filehandle to read from. |
382 | |
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383 | =head2 diff ($commit, $patch?, $parent?, $file?) |
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384 | |
385 | Generate a diff from a given L<Gitalist::Git::Object>. |
386 | |
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387 | =head2 reflog (@lorgargs) |
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388 | |
389 | Return a list of hashes representing each reflog entry. |
390 | |
391 | FIXME Should this return objects? |
392 | |
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393 | |
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394 | =head1 SEE ALSO |
395 | |
396 | L<Gitalist::Git::Util> L<Gitalist::Git::Object> |
397 | |
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398 | |
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399 | =head1 AUTHORS |
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400 | |
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401 | See L<Gitalist> for authors. |
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402 | |
403 | =head1 LICENSE |
404 | |
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405 | See L<Gitalist> for the license. |
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406 | |
407 | =cut |