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# Git::Annex
# Perl interface to git-annex repositories
#
# Copyright (C) 2019-2020 Sean Whitton <spwhitton@spwhitton.name>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
=head1 NAME
Git::Annex - Perl interface to git-annex repositories
=head1 VERSION
version 0.01
=head1 SYNOPSIS
my $annex = Git::Annex->new("/home/spwhitton/annex");
# run `git annex unused` and then `git log` to get information about
# unused git annex keys
my $unused_files
= $self->unused(used_refspec => "+refs/heads/master", log => 1);
for my $unused_file (@$unused_files) {
say "unused file " . $unused_file->{key} . ":";
say "";
say " $_" for $unused_file->{log_lines};
say "";
say "you can drop it with: `git annex dropunused "
. $unused_file->{number} . "`";
say "";
}
# embedded Git::Wrapper instance; catch exceptions with Try::Tiny
say for $annex->git->annex(qw(find --not --in here));
$annex->git->annex(qw(copy -t cloud --in here --and --lackingcopies=1));
=head1 DESCRIPTION
An instance of the Git::Annex class represents a git repository in
which C<git annex init> has been run. This module provides some
useful methods for working with such repositories from Perl. See
L<https://git-annex.branchable.com/> for more information on
git-annex.
=cut
package Git::Annex;
use 5.028;
use strict;
use warnings;
use Cwd;
use File::chdir;
use Git::Wrapper;
use Git::Repository;
use Moo;
use namespace::clean;
=head1 METHODS
=head2 toplevel
Returns the toplevel of the repository.
=cut
has toplevel => (is => 'ro');
=head2 git
Returns an instance of L<Git::Wrapper> initialised in the repository.
=cut
has git => (
is => 'lazy',
default => sub { Git::Wrapper->new(shift->toplevel) });
=head2 repo
Returns an instance of L<Git::Repository> initialised in the repository.
=cut
has repo => (
is => 'lazy',
# we don't know (here) whether our repo is bare or not, so we
# don't know whether to use the git_dir or work_tree arguments to
# Git::Repository::new, so we chdir and let call without arguments
default => sub { local $CWD = shift->toplevel; Git::Repository->new });
around BUILDARGS => sub {
my (undef, undef, @args) = @_;
{ toplevel => $args[0] // getcwd };
};
1;
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