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