#!/usr/bin/perl
use strict;
use warnings;

use File::Temp qw(tempfile);

use lib $ENV{GL_LIBDIR};
use Gitolite::Rc;
use Gitolite::Common;

$|++;

my $akfile = "$ENV{HOME}/.ssh/authorized_keys";
my $sufile = $rc{SHELL_USERS_LIST} or exit 0;
-r $sufile or _die "'$sufile' not readable";

# ----------------------------------------------------------------------

my $aktext = slurp($akfile);

for my $su ( shell_users() ) {
    $aktext =~ s(/gitolite-shell $su([" ].*?),no-pty )(/gitolite-shell -s $su$1 )g;
}

_print( $akfile, $aktext );

sub shell_users {
    my @ret = grep { not /^#/ } slurp($sufile);
    chomp(@ret);
    return @ret;
}