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#!/usr/local/bin/perl -w
###########################################
# gitmeta-update - Update distributed
#   git repositories
# Mike Schilli, 2010 (m@perlmeister.com)
###########################################
use strict;
use GitMeta::GMF;
use Sysadm::Install qw(:all);
use File::Basename;
use Getopt::Std;
use Log::Log4perl qw(:easy);

getopts("vn", \my %opts);

if($opts{v}) {
  Log::Log4perl->easy_init($DEBUG);
} else {
  Log::Log4perl->easy_init({
      level    => $INFO,
      category => "main",
  });
}

my($gmf_repo, $gmf_path, 
   $local_dir) = @ARGV;

if(!defined $local_dir) {
    # alternative call: $0 $gmf $local_dir
    undef $gmf_repo;
    ($gmf_path, $local_dir) = @ARGV;
}

GitMeta->health_check();

die "usage: $0 [gmf-repo] gmf-path local-dir" 
  unless defined $local_dir;

main();

###########################################
sub main {
###########################################
  my $gm = GitMeta::GMF->new(
    repo     => $gmf_repo,
    gmf_path => $gmf_path );
  
  my @urls = $gm->expand();
  
  if($opts{n}) {
    for my $url ( @urls ) {
      print "$url\n";
    }
    return 1;
  }

  if(! -d $local_dir) {
      my $yesno = ask "$local_dir doesn't exist, create it ([y]/n)?", "y";
      if($yesno ne "y") {
          die "Aborted.\n";
      }
      mkd $local_dir;
  }

  cd $local_dir;

  for my $url ( @urls ) {
    INFO "Updating $url";
    my $repo_dir = $gm->repo_dir_from_git_url( $url );
    if(-d $repo_dir) {
      cd $repo_dir;
      my($stdout, $stderr, $rc) =
        tap "git", "fetch", "origin";
      INFO "$stdout$stderr";
      cdback;
    } else {
      my($stdout, $stderr, $rc) =
        tap "git", "clone", $url;
      INFO "$stdout$stderr";
    }
  }
  return 1;
}

__END__

=head1 NAME

    gitmeta-update - Update all local git repositories defined in the .gmf

=head1 SYNOPSIS