NAME

Git::Wrapper - wrap git(7) command-line interface

VERSION

version 0.015

SYNOPSIS

  my $git = Git::Wrapper->new('/var/foo');

  $git->commit(...)
  print $_->message for $git->log;

DESCRIPTION

Git::Wrapper provides an API for git(7) that uses Perl data structures for argument passing, instead of CLI-style --options as Git does.

METHODS

Except as documented, every git subcommand is available as a method on a Git::Wrapper object. Replace any hyphens in the git command with underscores.

The first argument should be a hashref containing options and their values. Boolean options are either true (included) or false (excluded). The remaining arguments are passed as ordinary command arguments.

  $git->commit({ all => 1, message => "stuff" });

  $git->checkout("mybranch");

Output is available as an array of lines, each chomped.

  @sha1s_and_titles = $git->rev_list({ all => 1, pretty => 'oneline' });

If a git command exits nonzero, a Git::Wrapper::Exception object will be thrown. It has three useful methods:

• error

  error message

• output

  normal output, as a single string

• status

  the exit status

The exception stringifies to the error message.

new

  my $git = Git::Wrapper->new($dir);

dir

  print $git->dir; # /var/foo

version

  my $version = $git->version; # 1.6.1.4.8.15.16.23.42

log

  my @logs = $git->log;

Instead of giving back an arrayref of lines, the log method returns a list of Git::Wrapper::Log objects. They have four methods:

• id

• author

• date

• message

status

  my $statuses = $git->status;

This returns an instance of Git::Wrapper:Statuses which has two public methods. First, is_dirty:

  my $dirty_flag = $statuses->is_dirty;

Which returns a true/false value depending on whether the repository has any uncommitted changes.

Second, get:

  my @status = $statuses->get($group)

Which returns an array of Git::Wrapper::Status objects, one per file changed.

There are four status groups, each of which may contain zero or more changes.

• indexed : Changed & added to the index (aka, will be committed)

• changed : Changed but not in the index (aka, won't be committed)

• unknown : Untracked files

• conflict : Merge conflicts

Note that a single file can occur in more than one group. Eg, a modified file that has been added to the index will appear in the 'indexed' list. If it is subsequently further modified it will additionally appear in the 'changed' group.

A Git::Wrapper::Status object has three methods you can call:

  my $from = $status->from;

The file path of the changed file, relative to the repo root. For renames, this is the original path.

  my $to = $status->to;

Renames returns the new path/name for the path. In all other cases returns an empty string.

  my $mode = $status->mode;

Indicates what has changed about the file.

Within each group (except 'conflict') a file can be in one of a number of modes, although some modes only occur in some groups (eg, 'added' never appears in the 'unknown' group).

• modified

• added

• deleted

• renamed

• copied

• conflict

All files in the 'unknown' group will have a mode of 'unknown' (which is redundant but at least consistent).

The 'conflict' group instead has the following modes.

• 'both deleted' : deleted on both branches

• 'both added' : added on both branches

• 'both modified' : modified on both branches

• 'added by us' : added only on our branch

• 'deleted by us' : deleted only on our branch

• 'added by them' : added on the branch we are merging in

• 'deleted by them' : deleted on the branch we are merging in

See git-status man page for more details.

Example

    my $git = Git::Wrapper->new('/path/to/git/repo');
    my $statuses = $git->status;
    for my $type (qw<indexed changed unknown conflict>) {
        my @states = $statuses->get($type)
            or next;
        print "Files in state $type\n";
        for (@states) {
            print '  ', $_->mode, ' ', $_->from;
            print ' renamed to ', $_->to
                if $_->mode eq 'renamed';
            print "\n";
        }
    }

COMPATIBILITY

On Win32 Git::Wrapper is incompatible with msysGit installations earlier than Git-1.7.1-preview20100612 due to a bug involving the return value of a git command in cmd/git.cmd. If you use the msysGit version distributed with GitExtensions or an earlier version of msysGit, tests will fail during installation of this module. You can get the latest version of msysGit on the Google Code project page: http://code.google.com/p/msysgit/downloads

SEE ALSO

VCI::VCS::Git is the git implementation for VCI, a generic interface to version-controle systems.

Git itself is at http://git.or.cz.

BUGS

Please report any bugs or feature requests to bug-git-wrapper@rt.cpan.org, or through the web interface at http://rt.cpan.org. I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.

AUTHORS

• Hans Dieter Pearcey <hdp@cpan.org>

• Chris Prather <chris@prather.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2008 by Hans Dieter Pearcey.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

cpanm Git::Wrapper

perl -MCPAN -e shell
install Git::Wrapper