diff options
Diffstat (limited to 'perl/Git.pm')
| -rw-r--r-- | perl/Git.pm | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/perl/Git.pm b/perl/Git.pm index 11ec62d..e2b66c4 100644 --- a/perl/Git.pm +++ b/perl/Git.pm @@ -36,7 +36,8 @@ $VERSION = '0.01'; my $lastrev = <$fh>; chomp $lastrev; $repo->command_close_pipe($fh, $c); - my $lastrev = $repo->command_oneline('rev-list', '--all'); + my $lastrev = $repo->command_oneline( [ 'rev-list', '--all' ], + STDERR => 0 ); =cut @@ -178,9 +179,21 @@ sub repository { =item command ( COMMAND [, ARGUMENTS... ] ) +=item command ( [ COMMAND, ARGUMENTS... ], { Opt => Val ... } ) + Execute the given Git C<COMMAND> (specify it without the 'git-' prefix), optionally with the specified extra C<ARGUMENTS>. +The second more elaborate form can be used if you want to further adjust +the command execution. Currently, only one option is supported: + +B<STDERR> - How to deal with the command's error output. By default (C<undef>) +it is delivered to the caller's C<STDERR>. A false value (0 or '') will cause +it to be thrown away. If you want to process it, you can get it in a filehandle +you specify, but you must be extremely careful; if the error output is not +very short and you want to read it in the same process as where you called +C<command()>, you are set up for a nice deadlock! + The method can be called without any instance or on a specified Git repository (in that case the command will be run in the repository context). @@ -231,6 +244,8 @@ sub command { =item command_oneline ( COMMAND [, ARGUMENTS... ] ) +=item command_oneline ( [ COMMAND, ARGUMENTS... ], { Opt => Val ... } ) + Execute the given C<COMMAND> in the same way as command() does but always return a scalar string containing the first line of the command's standard output. @@ -256,6 +271,8 @@ sub command_oneline { =item command_output_pipe ( COMMAND [, ARGUMENTS... ] ) +=item command_output_pipe ( [ COMMAND, ARGUMENTS... ], { Opt => Val ... } ) + Execute the given C<COMMAND> in the same way as command() does but return a pipe filehandle from which the command output can be read. @@ -272,6 +289,8 @@ sub command_output_pipe { =item command_input_pipe ( COMMAND [, ARGUMENTS... ] ) +=item command_input_pipe ( [ COMMAND, ARGUMENTS... ], { Opt => Val ... } ) + Execute the given C<COMMAND> in the same way as command_output_pipe() does but return an input pipe filehandle instead; the command output is not captured. @@ -534,13 +553,27 @@ sub _check_valid_cmd { # Common backend for the pipe creators. sub _command_common_pipe { my $direction = shift; - my ($self, $cmd, @args) = _maybe_self(@_); + my ($self, @p) = _maybe_self(@_); + my (%opts, $cmd, @args); + if (ref $p[0]) { + ($cmd, @args) = @{shift @p}; + %opts = ref $p[0] ? %{$p[0]} : @p; + } else { + ($cmd, @args) = @p; + } _check_valid_cmd($cmd); my $pid = open(my $fh, $direction); if (not defined $pid) { throw Error::Simple("open failed: $!"); } elsif ($pid == 0) { + if (defined $opts{STDERR}) { + close STDERR; + } + if ($opts{STDERR}) { + open (STDERR, '>&', $opts{STDERR}) + or die "dup failed: $!"; + } _cmd_exec($self, $cmd, @args); } return wantarray ? ($fh, join(' ', $cmd, @args)) : $fh; |