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Watch.pm
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Watch.pm
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package Group::Git::Cmd::Watch;
# Created on: 2013-05-06 21:57:07
# Create by: Ivan Wills
# $Id$
# $Revision$, $HeadURL$, $Date$
# $Revision$, $Source$, $Date$
use Moo::Role;
use strict;
use warnings;
use version;
use Carp;
use English qw/ -no_match_vars /;
use File::chdir;
use Getopt::Alt;
use YAML::Syck qw/LoadFile DumpFile/;
use Types::Standard qw/Bool/;
our $VERSION = version->new('0.5.7');
requires 'repos';
requires 'verbose';
my $config;
my $opt = Getopt::Alt->new(
{
help => __PACKAGE__,
default => {
config => 'group-git-watch.yml',
sleep => 60,
}
},
[
'show|w',
'once|o',
'sleep|s=i',
'save|v',
'all|a',
'config|c=s',
]
);
has watch_run => (
is => 'rw',
isa => Bool,
);
sub watch_start {
$opt->process;
$config = $opt->opt->save && -f $opt->opt->config ? LoadFile($opt->opt->config) : {};
return;
}
sub watch {
my ($self, $name) = @_;
return unless -d $name;
if ( !$self->runs ) {
$self->runs(2);
if ($self->watch_run) {
system @ARGV;
$self->watch_run(undef);
}
sleep $opt->opt->sleep if $self->runs == 1;
}
my $repo = $self->repos->{$name};
my $dump;
{
local $CWD = $name;
my ($id, $out);
`git fetch --quiet`;
if ($opt->opt->all) {
($out) = `git reflog --all`;
($id) = $out =~ /^([0-9a-f]+)\s/;
}
else {
($out) = `git show`;
($id) = $out =~ /commit\s+([0-9a-f]+)/
}
if (!$config->{$name} || $config->{$name} ne $id) {
$config->{$name} = $id;
$dump = 1;
return "changed" if $opt->opt->show;
if ($opt->opt->once) {
$self->watch_run(1);
}
else {
system @ARGV;
}
}
}
if ($dump && $opt->opt->save) {
DumpFile($opt->opt->config, $config);
}
return;
}
1;
__END__
=head1 NAME
Group::Git::Cmd::Watch - Watch for changes in repositories and run a command
=head1 VERSION
This documentation refers to Group::Git::Cmd::Watch version 0.5.7.
=head1 SYNOPSIS
group-git watch [options] ([--show|-w]|command)
Options:
-w --show Show when a repository has changed
-o --once Run the command only once for each itteration through all
repositories when one or more repositories change.
-s --sleep[=]seconds
Sleep for this number of seconds between each checking if
the repositories have changed (Default 60)
-v --save Store the state of each repository so if re-run the program
changes since the last run are shown.
-a --all Check all branches (not just the current branch) for changes
-c --config[=]file
Use inconjunction with --save to name the file to save to
(Default group-git-watch.yml)
=head1 DESCRIPTION
=head1 SUBROUTINES/METHODS
=over 4
=item C<watch ($name)>
Runs git watch on each directory if the watch message includes:
"nothing to commit"
The watch is suppressed to keep the output clean. This can be overridden
if verbose is set.
=item C<watch_start ()>
Process the command line arguments for watch
=back
=head1 DIAGNOSTICS
=head1 CONFIGURATION AND ENVIRONMENT
=head1 DEPENDENCIES
=head1 INCOMPATIBILITIES
=head1 BUGS AND LIMITATIONS
There are no known bugs in this module.
Please report problems to Ivan Wills (ivan.wills@gmail.com).
Patches are welcome.
=head1 AUTHOR
Ivan Wills - (ivan.wills@gmail.com)
=head1 LICENSE AND COPYRIGHT
Copyright (c) 2013 Ivan Wills (14 Mullion Close, Hornsby Heights, NSW Australia 2077).
All rights reserved.
This module is free software; you can redistribute it and/or modify it under
the same terms as Perl itself. See L<perlartistic>. 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.
=cut