diff options
Diffstat (limited to 'perl/Git.pm')
| -rw-r--r-- | perl/Git.pm | 69 |
1 files changed, 62 insertions, 7 deletions
diff --git a/perl/Git.pm b/perl/Git.pm index 97e61efaff..e1ca5b4a22 100644 --- a/perl/Git.pm +++ b/perl/Git.pm @@ -56,7 +56,8 @@ require Exporter; @EXPORT_OK = qw(command command_oneline command_noisy command_output_pipe command_input_pipe command_close_pipe command_bidi_pipe command_close_bidi_pipe - version exec_path hash_object git_cmd_try); + version exec_path hash_object git_cmd_try + remote_refs); =head1 DESCRIPTION @@ -89,7 +90,7 @@ TODO: In the future, we might also do Currently, the module merely wraps calls to external Git tools. In the future, it will provide a much faster way to interact with Git by linking directly to libgit. This should be completely opaque to the user, though (performance -increate nonwithstanding). +increase notwithstanding). =cut @@ -416,6 +417,7 @@ have more complicated structure. =cut sub command_close_bidi_pipe { + local $?; my ($pid, $in, $out, $ctx) = @_; foreach my $fh ($in, $out) { unless (close $fh) { @@ -668,6 +670,59 @@ sub get_color { return $color; } +=item remote_refs ( REPOSITORY [, GROUPS [, REFGLOBS ] ] ) + +This function returns a hashref of refs stored in a given remote repository. +The hash is in the format C<refname =\> hash>. For tags, the C<refname> entry +contains the tag object while a C<refname^{}> entry gives the tagged objects. + +C<REPOSITORY> has the same meaning as the appropriate C<git-ls-remote> +argument; either an URL or a remote name (if called on a repository instance). +C<GROUPS> is an optional arrayref that can contain 'tags' to return all the +tags and/or 'heads' to return all the heads. C<REFGLOB> is an optional array +of strings containing a shell-like glob to further limit the refs returned in +the hash; the meaning is again the same as the appropriate C<git-ls-remote> +argument. + +This function may or may not be called on a repository instance. In the former +case, remote names as defined in the repository are recognized as repository +specifiers. + +=cut + +sub remote_refs { + my ($self, $repo, $groups, $refglobs) = _maybe_self(@_); + my @args; + if (ref $groups eq 'ARRAY') { + foreach (@$groups) { + if ($_ eq 'heads') { + push (@args, '--heads'); + } elsif ($_ eq 'tags') { + push (@args, '--tags'); + } else { + # Ignore unknown groups for future + # compatibility + } + } + } + push (@args, $repo); + if (ref $refglobs eq 'ARRAY') { + push (@args, @$refglobs); + } + + my @self = $self ? ($self) : (); # Ultra trickery + my ($fh, $ctx) = Git::command_output_pipe(@self, 'ls-remote', @args); + my %refs; + while (<$fh>) { + chomp; + my ($hash, $ref) = split(/\t/, $_, 2); + $refs{$ref} = $hash; + } + Git::command_close_pipe(@self, $fh, $ctx); + return \%refs; +} + + =item ident ( TYPE | IDENTSTR ) =item ident_person ( TYPE | IDENTSTR | IDENTARRAY ) @@ -676,7 +731,7 @@ This suite of functions retrieves and parses ident information, as stored in the commit and tag objects or produced by C<var GIT_type_IDENT> (thus C<TYPE> can be either I<author> or I<committer>; case is insignificant). -The C<ident> method retrieves the ident information from C<git-var> +The C<ident> method retrieves the ident information from C<git var> and either returns it as a scalar string or as an array with the fields parsed. Alternatively, it can take a prepared ident string (e.g. from the commit object) and just parse it. @@ -785,8 +840,8 @@ sub _close_hash_and_insert_object { my @vars = map { 'hash_object_' . $_ } qw(pid in out ctx); - command_close_bidi_pipe($self->{@vars}); - delete $self->{@vars}; + command_close_bidi_pipe(@$self{@vars}); + delete @$self{@vars}; } =item cat_blob ( SHA1, FILEHANDLE ) @@ -874,8 +929,8 @@ sub _close_cat_blob { my @vars = map { 'cat_blob_' . $_ } qw(pid in out ctx); - command_close_bidi_pipe($self->{@vars}); - delete $self->{@vars}; + command_close_bidi_pipe(@$self{@vars}); + delete @$self{@vars}; } =back |