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#!/usr/bin/perl

# update git-config entries in each repo
# ----------------------------------------------------------------------

use FindBin;

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

use strict;
use warnings;

my $RB = $rc{GL_REPO_BASE};
_chdir($RB);

# ----------------------------------------------------------------------
# if called from POST_CREATE, we have only a single repo to worry about
if ( @ARGV and $ARGV[0] eq 'POST_CREATE' ) {
    my $repo = $ARGV[1];
    fixup_config($repo);

    exit 0;
}

# ----------------------------------------------------------------------
# else it's all repos (i.e., called from POST_COMPILE)

my $lpr = list_phy_repos();

for my $pr (@$lpr) {
    fixup_config($pr);
}

sub fixup_config {
    my $pr      = shift;
    my $creator = creator($pr);

    my $gc = git_config( $pr, '.', 1 );
    my $ac = `git config --file $RB/$pr.git/config -l`;
    while ( my ( $key, $value ) = each( %{$gc} ) ) {
        next if $key =~ /^gitolite-options\./;
        $value =~ s/(@\w+)/expand_group($1)/ge if $rc{EXPAND_GROUPS_IN_CONFIG};
        my $lkey = lc $key;
        next if $ac =~ /^\Q$lkey\E=\Q$value\E$/m;
        if ( $value ne "" ) {
            system( "git", "config", "--file", "$RB/$pr.git/config", $key, $value );
        } elsif ( $ac =~ /^\Q$lkey\E=/m ) {
            system( "git", "config", "--file", "$RB/$pr.git/config", "--unset-all", $key );
        }
    }
}

sub expand_group {
    my $g = shift;
    my @m = @{ Gitolite::Conf::Load::list_members($1) };
    return join(" ", @m) if @m;
    return $g;
}