indefero/src/IDF/Scm.php

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<?php
/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
# ***** BEGIN LICENSE BLOCK *****
# This file is part of InDefero, an open source project management application.
# Copyright (C) 2008 Céondo Ltd and contributors.
#
# InDefero is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# InDefero is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# ***** END LICENSE BLOCK ***** */
/**
* Manage differents SCM systems
*/
class IDF_Scm
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{
/**
* Returns an instance of the correct scm backend object.
*
* @return Object
*/
public static function get($request=null)
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{
// Get scm type from project conf ; defaults to git
$scm = $request->conf->getVal('scm', 'git');
$scms = Pluf::f('allowed_scm');
return call_user_func(array($scms[$scm], 'factory'),
$request->project);
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}
/**
* Equivalent to exec but with caching.
*
* @param string Command
* @param &array Output
* @param &int Return value
* @return string Last line of the output
*/
public static function exec($command, &$output=array(), &$return=0)
{
$key = md5($command);
$cache = Pluf_Cache::factory();
if (null === ($res=$cache->get($key))) {
$ll = exec($command, $output, $return);
if ($return != 0 and Pluf::f('debug', false)) {
throw new IDF_Scm_Exception(sprintf('Error when running command: "%s", return code: %d', $command, $return));
}
$cache->set($key, array($ll, $return, $output));
} else {
list($ll, $return, $output) = $res;
}
return $ll;
}
/**
* Equivalent to shell_exec but with caching.
*
* @param string Command
* @return string Output of the command
*/
public static function shell_exec($command)
{
$key = md5($command);
$cache = Pluf_Cache::factory();
if (null === ($res=$cache->get($key))) {
$res = shell_exec($command);
$cache->set($key, $res);
}
return $res;
}
/**
* Sync the changes in the repository with the timeline.
*
*/
public static function syncTimeline($request)
{
$cache = Pluf_Cache::factory();
$key = 'IDF_Scm:'.$request->project->shortname.':lastsync';
if (null === ($res=$cache->get($key))) {
$scm = IDF_Scm::get($request);
foreach ($scm->getBranches() as $branche) {
foreach ($scm->getChangeLog($branche, 25) as $change) {
IDF_Commit::getOrAdd($change, $request->project);
}
}
$cache->set($key, true, (int)(Pluf::f('cache_timeout', 300)/2));
}
}
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}