git-check

#!/usr/bin/env perl

use strict;
use warnings;
use Cwd 'getcwd';

my @targets = @ARGV;
@targets = ('.') unless @targets;

my $pwd = getcwd();
for my $d (@targets) {
  chdir($pwd) or next;
  next unless -d $d;

  chdir($d) or next;
  next unless -d '.git';

  my $m = `git status`;

  my ($branch) = $m =~ m/^# On branch ([^\n\r]+)/;
  $branch = '<no branch file>' unless $branch;

  my $status = $m =~ m/[(]working directory clean[)]/g ? 'clean' : 'dirty';

  print "$status: $d on $branch\n";
}