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# -*- Mode: Perl; tab-width: 4; indent-tabs-mode: nil; -*-
#
# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This file incorporates work covered by the following license notice:
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed
# with this work for additional information regarding copyright
# ownership. The ASF licenses this file to you under the Apache
# License, Version 2.0 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.apache.org/licenses/LICENSE-2.0 .
#
#*************************************************************************
#
# RepositoryHelper - Perl for working with repositories
#
# usage: see below
#
#*************************************************************************
package RepositoryHelper;
use strict;
use Carp;
use Cwd qw (cwd);
use File::Basename;
#use File::Temp qw(tmpnam);
my $debug = 0;
##### profiling #####
##### ctor #####
sub new {
my $proto = shift;
my $class = ref($proto) || $proto;
my $initial_directory = shift;
if ($initial_directory) {
$initial_directory = Cwd::realpath($initial_directory);
} else {
if ( defined $ENV{PWD} ) {
$initial_directory = $ENV{PWD};
} elsif (defined $ENV{_cwd}) {
$initial_directory = $ENV{_cwd};
} else {
$initial_directory = cwd();
};
};
my $self = {};
$self->{INITIAL_DIRECTORY} = $initial_directory;
$self->{REPOSITORY_ROOT} = undef;
if (! search_via_build_lst($self))
{
croak('Cannot determine source directory/repository for ' . $self->{INITIAL_DIRECTORY});
}
bless($self, $class);
return $self;
}
##### methods #####
sub get_repository_root
{
my $self = shift;
return $self->{REPOSITORY_ROOT};
}
sub get_initial_directory
{
my $self = shift;
return $self->{INITIAL_DIRECTORY};
}
sub search_via_build_lst {
my $self = shift;
my $previous_dir = '';
my $rep_root_candidate = $self->{INITIAL_DIRECTORY};
do {
my $test_file;
if ($rep_root_candidate eq '/') {
$test_file = '/prj/build.lst';
} else {
$test_file = $rep_root_candidate . '/prj/build.lst';
};
if (-e $test_file) {
$self->{REPOSITORY_ROOT} = File::Basename::dirname($rep_root_candidate);
return 1;
};
$previous_dir = $rep_root_candidate;
$rep_root_candidate = File::Basename::dirname($rep_root_candidate);
return 0 if ((!$rep_root_candidate) || ($rep_root_candidate eq $previous_dir));
}
while (chdir "$rep_root_candidate");
};
##### finish #####
1; # needed by use or require
__END__
=head1 NAME
RepositoryHelper - Perl module for working with repositories
=head1 SYNOPSIS
# example that will analyze sources and return the source root directory
use RepositoryHelper;
# Create a new instance:
$a = RepositoryHelper->new();
# Get repositories for the actual workspace:
$a->get_repository_root();
=head1 DESCRIPTION
RepositoryHelper is a perlPerl module for working with repositories
in the database.
Methods:
RepositoryHelper::new()
Creates a new instance of RepositoryHelper. Can be initialized by: some path which likely to belong to a repository, default - empty, the current dir will be taken.
RepositoryHelper::get_repository_root()
Returns the repository root, retrieved by educated guess...
RepositoryHelper::get_initial_directory()
Returns full path to the initialisation directory.
=head2 EXPORT
RepositoryHelper::new()
RepositoryHelper::get_repository_root()
RepositoryHelper::get_initial_directory()
=head1 AUTHOR
Vladimir Glazunov, vg@openoffice.org
=head1 SEE ALSO
perl(1).
=cut
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