798 lines
24 KiB
PHP
798 lines
24 KiB
PHP
<?php
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/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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# ***** BEGIN LICENSE BLOCK *****
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# This file is part of InDefero, an open source project management application.
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# Copyright (C) 2010 Céondo Ltd and contributors.
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#
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# InDefero is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# InDefero is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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# ***** END LICENSE BLOCK ***** */
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/**
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* Monotone scm class
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*
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* @author Thomas Keller <me@thomaskeller.biz>
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*/
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class IDF_Scm_Monotone extends IDF_Scm
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{
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/** the minimum supported interface version */
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public static $MIN_INTERFACE_VERSION = 12.0;
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private $stdio;
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private static $instances = array();
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/**
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* Constructor
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*/
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public function __construct(IDF_Project $project, IDF_Scm_Monotone_IStdio $stdio)
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{
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$this->project = $project;
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$this->stdio = $stdio;
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}
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/**
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* Returns the stdio instance in use
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*
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* @return IDF_Scm_Monotone_Stdio
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*/
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public function getStdio()
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{
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return $this->stdio;
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}
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/**
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* @see IDF_Scm::getRepositorySize()
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*/
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public function getRepositorySize()
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{
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// FIXME: this obviously won't work with remote databases - upstream
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// needs to implement mtn db info in automate at first
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$repo = sprintf(Pluf::f('mtn_repositories'), $this->project->shortname);
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if (!file_exists($repo)) {
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return 0;
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}
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$cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -sk '
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.escapeshellarg($repo);
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$out = explode(' ',
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self::shell_exec('IDF_Scm_Monotone::getRepositorySize', $cmd),
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2);
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return (int) $out[0]*1024;
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}
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/**
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* @see IDF_Scm::isAvailable()
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*/
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public function isAvailable()
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{
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try
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{
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$out = $this->stdio->exec(array('interface_version'));
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return floatval($out) >= self::$MIN_INTERFACE_VERSION;
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}
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catch (IDF_Scm_Exception $e) {}
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return false;
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}
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/**
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* @see IDF_Scm::getBranches()
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*/
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public function getBranches()
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{
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if (isset($this->cache['branches'])) {
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return $this->cache['branches'];
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}
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// FIXME: we could / should introduce handling of suspended
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// (i.e. dead) branches here by hiding them from the user's eye...
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$out = $this->stdio->exec(array('branches'));
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// note: we could expand each branch with one of its head revisions
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// here, but these would soon become bogus anyway and we cannot
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// map multiple head revisions here either, so we just use the
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// selector as placeholder
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$res = array();
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foreach (preg_split("/\n/", $out, -1, PREG_SPLIT_NO_EMPTY) as $b) {
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$res["h:$b"] = $b;
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}
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$this->cache['branches'] = $res;
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return $res;
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}
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/**
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* monotone has no concept of a "main" branch, so just return
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* the configured one. Ensure however that we can select revisions
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* with it at all.
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*
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* @see IDF_Scm::getMainBranch()
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*/
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public function getMainBranch()
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{
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$conf = $this->project->getConf();
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if (false === ($branch = $conf->getVal('mtn_master_branch', false))
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|| empty($branch)) {
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$branch = "*";
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}
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return $branch;
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}
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/**
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* @see IDF_Scm::getArchiveStream
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*/
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public function getArchiveStream($commit, $prefix='repository/')
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{
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$revs = $this->_resolveSelector($commit);
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// sanity: this should actually not happen, because the
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// revision is validated before already
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if (count($revs) == 0) {
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return new Pluf_HTTP_Response_NotFound();
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}
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return new IDF_Scm_Monotone_ZipRender($this->stdio, $revs[0]);
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}
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/**
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* expands a selector or a partial revision id to zero, one or
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* multiple 40 byte revision ids
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*
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* @param string $selector
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* @return array
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*/
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private function _resolveSelector($selector)
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{
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$out = $this->stdio->exec(array('select', $selector));
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return preg_split("/\n/", $out, -1, PREG_SPLIT_NO_EMPTY);
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}
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/**
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* Queries the certs for a given revision and returns them in an
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* associative array array("branch" => array("branch1", ...), ...)
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*
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* @param string
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* @param array
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*/
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private function _getCerts($rev)
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{
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$cache = Pluf_Cache::factory();
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$cachekey = 'mtn-plugin-certs-for-rev-' . $rev;
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$certs = $cache->get($cachekey);
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if ($certs === null) {
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$out = $this->stdio->exec(array('certs', $rev));
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$stanzas = IDF_Scm_Monotone_BasicIO::parse($out);
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$certs = array();
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foreach ($stanzas as $stanza) {
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$certname = null;
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foreach ($stanza as $stanzaline) {
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// luckily, name always comes before value
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if ($stanzaline['key'] == 'name') {
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$certname = $stanzaline['values'][0];
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continue;
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}
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if ($stanzaline['key'] == 'value') {
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if (!array_key_exists($certname, $certs)) {
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$certs[$certname] = array();
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}
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$certs[$certname][] = $stanzaline['values'][0];
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break;
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}
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}
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}
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$cache->set($cachekey, $certs);
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}
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return $certs;
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}
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/**
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* Returns unique certificate values for the given revs and the specific
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* cert name, optionally prefixed with $prefix
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*
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* @param array
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* @param string
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* @param string
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* @return array
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*/
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private function _getUniqueCertValuesFor($revs, $certName, $prefix)
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{
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$certValues = array();
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foreach ($revs as $rev) {
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$certs = $this->_getCerts($rev);
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if (!array_key_exists($certName, $certs))
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continue;
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foreach ($certs[$certName] as $certValue) {
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$certValues[] = "$prefix$certValue";
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}
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}
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return array_unique($certValues);
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}
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/**
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* @see IDF_Scm::inBranches()
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*/
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public function inBranches($commit, $path)
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{
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$revs = $this->_resolveSelector($commit);
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if (count($revs) == 0) return array();
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return $this->_getUniqueCertValuesFor($revs, 'branch', 'h:');
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}
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/**
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* @see IDF_Scm::getTags()
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*/
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public function getTags()
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{
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if (isset($this->cache['tags'])) {
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return $this->cache['tags'];
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}
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$out = $this->stdio->exec(array('tags'));
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$tags = array();
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$stanzas = IDF_Scm_Monotone_BasicIO::parse($out);
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foreach ($stanzas as $stanza) {
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$tagname = null;
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foreach ($stanza as $stanzaline) {
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// revision comes directly after the tag stanza
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if ($stanzaline['key'] == 'tag') {
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$tagname = $stanzaline['values'][0];
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continue;
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}
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if ($stanzaline['key'] == 'revision') {
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// FIXME: warn if multiple revisions have
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// equally named tags
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if (!array_key_exists("t:$tagname", $tags)) {
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$tags["t:$tagname"] = $tagname;
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}
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break;
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}
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}
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}
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$this->cache['tags'] = $tags;
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return $tags;
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}
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/**
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* @see IDF_Scm::inTags()
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*/
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public function inTags($commit, $path)
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{
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$revs = $this->_resolveSelector($commit);
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if (count($revs) == 0) return array();
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return $this->_getUniqueCertValuesFor($revs, 'tag', 't:');
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}
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/**
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* Takes a single stanza coming from an extended manifest output
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* and converts it into a file structure used by IDF
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*
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* @param string $forceBasedir If given then the element's path is checked
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* to be directly beneath the given directory.
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* If not, null is returned and the parsing is
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* aborted.
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* @return array | null
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*/
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private function _fillFileEntry(array $manifestEntry, $forceBasedir = null)
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{
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$fullpath = $manifestEntry[0]['values'][0];
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$filename = basename($fullpath);
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$dirname = dirname($fullpath);
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$dirname = $dirname == '.' ? '' : $dirname;
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if ($forceBasedir !== null && $forceBasedir != $dirname) {
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return null;
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}
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$file = array();
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$file['file'] = $filename;
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$file['fullpath'] = $fullpath;
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$file['efullpath'] = self::smartEncode($fullpath);
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$wanted_mark = '';
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if ($manifestEntry[0]['key'] == 'dir') {
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$file['type'] = 'tree';
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$file['size'] = 0;
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$wanted_mark = 'path_mark';
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}
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else {
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$file['type'] = 'blob';
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$file['hash'] = $manifestEntry[1]['hash'];
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$size = 0;
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foreach ($manifestEntry as $line) {
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if ($line['key'] == 'size') {
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$size = $line['values'][0];
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break;
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}
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}
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$file['size'] = $size;
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$wanted_mark = 'content_mark';
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}
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$rev_mark = null;
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foreach ($manifestEntry as $line) {
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if ($line['key'] == $wanted_mark) {
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$rev_mark = $line['hash'];
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break;
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}
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}
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if ($rev_mark !== null) {
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$file['rev'] = $rev_mark;
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$certs = $this->_getCerts($rev_mark);
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// FIXME: this assumes that author, date and changelog are always given
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$file['author'] = implode(", ", $certs['author']);
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$dates = array();
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foreach ($certs['date'] as $date)
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$dates[] = date('Y-m-d H:i:s', strtotime($date));
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$file['date'] = implode(', ', $dates);
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$combinedChangelog = implode("\n---\n", $certs['changelog']);
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$split = preg_split("/[\n\r]/", $combinedChangelog, 2);
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// FIXME: the complete log message is currently not used in the
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// tree view (the same is true for the other SCM implementations)
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// but we _should_ really use or at least return that here
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// in case we want to do fancy stuff like described in
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// issue 492
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$file['log'] = $split[0];
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}
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return $file;
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}
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/**
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* @see IDF_Scm::getTree()
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*/
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public function getTree($commit, $folder='/', $branch=null)
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{
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$revs = $this->_resolveSelector($commit);
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if (count($revs) == 0) {
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return array();
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}
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$out = $this->stdio->exec(array(
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'get_extended_manifest_of', $revs[0]
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));
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$files = array();
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$stanzas = IDF_Scm_Monotone_BasicIO::parse($out);
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$folder = $folder == '/' || empty($folder) ? '' : $folder;
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foreach ($stanzas as $stanza) {
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if ($stanza[0]['key'] == 'format_version')
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continue;
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$file = $this->_fillFileEntry($stanza, $folder);
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if ($file === null)
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continue;
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$files[] = (object) $file;
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}
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return $files;
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}
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/**
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* @see IDF_Scm::findAuthor()
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*/
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public function findAuthor($author)
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{
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// We extract anything which looks like an email.
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$match = array();
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if (!preg_match('/([^ ]+@[^ ]+)/', $author, $match)) {
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return null;
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}
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$sql = new Pluf_SQL('login=%s', array($match[1]));
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$users = Pluf::factory('Pluf_User')->getList(array('filter'=>$sql->gen()));
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if ($users->count() > 0) {
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return $users[0];
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}
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return Pluf::factory('IDF_EmailAddress')->get_user_for_email_address($match[1]);
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}
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/**
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* @see IDF_Scm::getAnonymousAccessUrl()
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*/
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public static function getAnonymousAccessUrl($project, $commit = null)
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{
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$scm = IDF_Scm::get($project);
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$branch = $scm->getMainBranch();
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if (!empty($commit)) {
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$revs = $scm->_resolveSelector($commit);
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if (count($revs) > 0) {
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$certs = $scm->_getCerts($revs[0]);
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// for the very seldom case that a revision
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// has no branch certificate
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if (!array_key_exists('branch', $certs)) {
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$branch = '*';
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}
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else
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{
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$branch = $certs['branch'][0];
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}
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}
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}
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$remote_url = Pluf::f('mtn_remote_url', '');
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if (empty($remote_url)) {
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return '';
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}
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return sprintf($remote_url, $project->shortname).'?'.$branch;
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}
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/**
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* @see IDF_Scm::getAuthAccessUrl()
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*/
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public static function getAuthAccessUrl($project, $user, $commit = null)
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{
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$url = self::getAnonymousAccessUrl($project, $commit);
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return preg_replace("#^ssh://#", "ssh://$user@", $url);
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}
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/**
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* Returns this object correctly initialized for the project.
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*
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* @param IDF_Project
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* @return IDF_Scm_Monotone
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*/
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public static function factory($project)
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{
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if (!array_key_exists($project->shortname, self::$instances)) {
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$stdio = new IDF_Scm_Monotone_Stdio($project);
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self::$instances[$project->shortname] =
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new IDF_Scm_Monotone($project, $stdio);
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}
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return self::$instances[$project->shortname];
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}
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/**
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* @see IDF_Scm::validateRevision()
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*/
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public function validateRevision($commit)
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{
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$revs = $this->_resolveSelector($commit);
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if (count($revs) == 0)
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return IDF_Scm::REVISION_INVALID;
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if (count($revs) > 1)
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return IDF_Scm::REVISION_AMBIGUOUS;
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return IDF_Scm::REVISION_VALID;
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}
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/**
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* @see IDF_Scm::disambiguateRevision
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*/
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public function disambiguateRevision($commit)
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{
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$revs = $this->_resolveSelector($commit);
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$out = array();
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foreach ($revs as $rev)
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{
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$certs = $this->_getCerts($rev);
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$log = array();
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$log['author'] = implode(', ', $certs['author']);
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$log['branch'] = implode(', ', $certs['branch']);
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$dates = array();
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foreach ($certs['date'] as $date)
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$dates[] = date('Y-m-d H:i:s', strtotime($date));
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$log['date'] = implode(', ', $dates);
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$combinedChangelog = implode("\n---\n", $certs['changelog']);
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$split = preg_split("/[\n\r]/", $combinedChangelog, 2);
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$log['title'] = $split[0];
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$log['full_message'] = (isset($split[1])) ? trim($split[1]) : '';
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$log['commit'] = $rev;
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$out[] = (object)$log;
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}
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return $out;
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}
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/**
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* @see IDF_Scm::getPathInfo()
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*/
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public function getPathInfo($file, $commit = null)
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{
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if ($commit === null) {
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$commit = 'h:' . $this->getMainBranch();
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}
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$revs = $this->_resolveSelector($commit);
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if (count($revs) == 0)
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return false;
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$out = $this->stdio->exec(array(
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'get_extended_manifest_of', $revs[0]
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));
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$files = array();
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$stanzas = IDF_Scm_Monotone_BasicIO::parse($out);
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foreach ($stanzas as $stanza) {
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if ($stanza[0]['key'] == 'format_version')
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continue;
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if ($stanza[0]['values'][0] != $file)
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continue;
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$file = $this->_fillFileEntry($stanza);
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return (object) $file;
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}
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return false;
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}
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/**
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|
* @see IDF_Scm::getFile()
|
|
*/
|
|
public function getFile($def, $cmd_only=false)
|
|
{
|
|
// this won't work with remote databases
|
|
if ($cmd_only) {
|
|
throw new Pluf_Exception_NotImplemented();
|
|
}
|
|
|
|
return $this->stdio->exec(array('get_file', $def->hash));
|
|
}
|
|
|
|
/**
|
|
* Returns the differences between two revisions as unified diff
|
|
*
|
|
* @param string The target of the diff
|
|
* @param string The source of the diff, if not given, the first
|
|
* parent of the target is used
|
|
* @return string
|
|
*/
|
|
private function _getDiff($target, $source = null)
|
|
{
|
|
if (empty($source)) {
|
|
$source = "p:$target";
|
|
}
|
|
|
|
// FIXME: add real support for merge revisions here which have
|
|
// two distinct diff sets
|
|
$targets = $this->_resolveSelector($target);
|
|
$sources = $this->_resolveSelector($source);
|
|
|
|
if (count($targets) == 0 || count($sources) == 0) {
|
|
return '';
|
|
}
|
|
|
|
// if target contains a root revision, we cannot produce a diff
|
|
if (empty($sources[0])) {
|
|
return '';
|
|
}
|
|
|
|
return $this->stdio->exec(
|
|
array('content_diff'),
|
|
array('r' => array($sources[0], $targets[0]))
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @see IDF_Scm::getChanges()
|
|
*/
|
|
public function getChanges($commit)
|
|
{
|
|
$revs = $this->_resolveSelector($commit);
|
|
if (count($revs) == 0)
|
|
return null;
|
|
|
|
$revision = $revs[0];
|
|
$out = $this->stdio->exec(array('get_revision', $revision));
|
|
$stanzas = IDF_Scm_Monotone_BasicIO::parse($out);
|
|
|
|
$return = (object) array(
|
|
'additions' => array(),
|
|
'deletions' => array(),
|
|
'renames' => array(),
|
|
'patches' => array(),
|
|
'properties' => array(),
|
|
);
|
|
|
|
foreach ($stanzas as $stanza) {
|
|
if ($stanza[0]['key'] == 'format_version' ||
|
|
$stanza[0]['key'] == 'old_revision' ||
|
|
$stanza[0]['key'] == 'new_manifest')
|
|
continue;
|
|
|
|
if ($stanza[0]['key'] == 'add_file' ||
|
|
$stanza[0]['key'] == 'add_dir') {
|
|
$return->additions[] = $stanza[0]['values'][0];
|
|
continue;
|
|
}
|
|
|
|
if ($stanza[0]['key'] == 'delete') {
|
|
$return->deletions[] = $stanza[0]['values'][0];
|
|
continue;
|
|
}
|
|
|
|
if ($stanza[0]['key'] == 'rename') {
|
|
$return->renames[$stanza[0]['values'][0]] =
|
|
$stanza[1]['values'][0];
|
|
continue;
|
|
}
|
|
|
|
if ($stanza[0]['key'] == 'patch') {
|
|
$return->patches[] = $stanza[0]['values'][0];
|
|
continue;
|
|
}
|
|
|
|
if ($stanza[0]['key'] == 'clear' ||
|
|
$stanza[0]['key'] == 'set') {
|
|
|
|
$filename = $stanza[0]['values'][0];
|
|
if (!array_key_exists($filename, $return->properties)) {
|
|
$return->properties[$filename] = array();
|
|
}
|
|
$key = $stanza[1]['values'][0];
|
|
$value = null;
|
|
if (isset($stanza[2])) {
|
|
$value = $stanza[2]['values'][0];
|
|
}
|
|
$return->properties[$filename][$key] = $value;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* @see IDF_Scm::getCommit()
|
|
*/
|
|
public function getCommit($commit, $getdiff=false)
|
|
{
|
|
$revs = $this->_resolveSelector($commit);
|
|
if (count($revs) == 0)
|
|
return array();
|
|
|
|
$res = array();
|
|
|
|
$parents = $this->stdio->exec(array('parents', $revs[0]));
|
|
$res['parents'] = preg_split("/\n/", $parents, -1, PREG_SPLIT_NO_EMPTY);
|
|
|
|
$certs = $this->_getCerts($revs[0]);
|
|
// FIXME: this assumes that author, date and changelog are always given
|
|
$res['author'] = implode(', ', $certs['author']);
|
|
|
|
$dates = array();
|
|
foreach ($certs['date'] as $date)
|
|
$dates[] = date('Y-m-d H:i:s', strtotime($date));
|
|
$res['date'] = implode(', ', $dates);
|
|
|
|
$combinedChangelog = implode("\n---\n", $certs['changelog']);
|
|
$split = preg_split("/[\n\r]/", $combinedChangelog, 2);
|
|
$res['title'] = $split[0];
|
|
$res['full_message'] = (isset($split[1])) ? trim($split[1]) : '';
|
|
|
|
$res['branch'] = implode(', ', $certs['branch']);
|
|
$res['commit'] = $revs[0];
|
|
|
|
$res['diff'] = ($getdiff) ? $this->_getDiff($revs[0]) : '';
|
|
|
|
return (object) $res;
|
|
}
|
|
|
|
/**
|
|
* @see IDF_Scm::getExtraProperties
|
|
*/
|
|
public function getExtraProperties($obj)
|
|
{
|
|
return (isset($obj->parents)) ? array('parents' => $obj->parents) : array();
|
|
}
|
|
|
|
/**
|
|
* @see IDF_Scm::isCommitLarge()
|
|
*/
|
|
public function isCommitLarge($commit=null)
|
|
{
|
|
if (empty($commit)) {
|
|
$commit = 'h:'.$this->getMainBranch();
|
|
}
|
|
|
|
$revs = $this->_resolveSelector($commit);
|
|
if (count($revs) == 0)
|
|
return false;
|
|
|
|
$out = $this->stdio->exec(array(
|
|
'get_revision', $revs[0]
|
|
));
|
|
|
|
$newAndPatchedFiles = 0;
|
|
$stanzas = IDF_Scm_Monotone_BasicIO::parse($out);
|
|
|
|
foreach ($stanzas as $stanza) {
|
|
if ($stanza[0]['key'] == 'patch' || $stanza[0]['key'] == 'add_file')
|
|
$newAndPatchedFiles++;
|
|
}
|
|
|
|
return $newAndPatchedFiles > 100;
|
|
}
|
|
|
|
/**
|
|
* @see IDF_Scm::getChangeLog()
|
|
*/
|
|
public function getChangeLog($commit=null, $n=10)
|
|
{
|
|
$horizont = $this->_resolveSelector($commit);
|
|
$initialBranches = array();
|
|
$logs = array();
|
|
|
|
while (!empty($horizont) && $n > 0) {
|
|
if (count($horizont) > 1) {
|
|
$out = $this->stdio->exec(array('toposort') + $horizont);
|
|
$horizont = preg_split("/\n/", $out, -1, PREG_SPLIT_NO_EMPTY);
|
|
}
|
|
|
|
$rev = array_shift($horizont);
|
|
$certs = $this->_getCerts($rev);
|
|
|
|
// read in the initial branches we should follow
|
|
if (count($initialBranches) == 0) {
|
|
if (!isset($certs['branch'])) {
|
|
// this revision has no branch cert, we cannot start logging
|
|
// from this revision
|
|
continue;
|
|
}
|
|
$initialBranches = $certs['branch'];
|
|
}
|
|
|
|
// only add it to our log if it is on one of the initial branches
|
|
// ignore revisions without any branch certificate
|
|
if (count(array_intersect($initialBranches, (array)@$certs['branch'])) > 0) {
|
|
--$n;
|
|
|
|
$log = array();
|
|
$log['author'] = implode(', ', $certs['author']);
|
|
|
|
$dates = array();
|
|
foreach ($certs['date'] as $date)
|
|
$dates[] = date('Y-m-d H:i:s', strtotime($date));
|
|
$log['date'] = implode(', ', $dates);
|
|
|
|
$combinedChangelog = implode("\n---\n", $certs['changelog']);
|
|
$split = preg_split("/[\n\r]/", $combinedChangelog, 2);
|
|
$log['title'] = $split[0];
|
|
$log['full_message'] = (isset($split[1])) ? trim($split[1]) : '';
|
|
|
|
$log['commit'] = $rev;
|
|
|
|
$logs[] = (object)$log;
|
|
|
|
$out = $this->stdio->exec(array('parents', $rev));
|
|
$horizont += preg_split("/\n/", $out, -1, PREG_SPLIT_NO_EMPTY);
|
|
}
|
|
}
|
|
|
|
return $logs;
|
|
}
|
|
}
|
|
|