<?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 CĂ©ondo 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 ***** */
/**
* Mercurial utils.
*
*/
class IDF_Scm_Mercurial extends IDF_Scm
{
public function __construct($repo, $project=null)
{
$this->repo = $repo;
$this->project = $project;
}
public function getRepositorySize()
{
$cmd = Pluf::f('idf_exec_cmd_prefix', '').'du -skD '
.escapeshellarg($this->repo);
$out = explode(' ', shell_exec($cmd), 2);
return (int) $out[0]*1024;
}
public static function factory($project)
{
$rep = sprintf(Pluf::f('mercurial_repositories'), $project->shortname);
return new IDF_Scm_Mercurial($rep, $project);
}
public function isAvailable()
{
try {
$branches = $this->getBranches();
} catch (IDF_Scm_Exception $e) {
return false;
}
return (count($branches) > 0);
}
public function findAuthor($author)
{
// We extract the email.
$match = array();
if (!preg_match('/<(.*)>/', $author, $match)) {
return null;
}
$sql = new Pluf_SQL('email=%s', array($match[1]));
$users = Pluf::factory('Pluf_User')->getList(array('filter'=>$sql->gen()));
return ($users->count() > 0) ? $users[0] : null;
}
public function getMainBranch()
{
return 'tip';
}
public static function getAnonymousAccessUrl($project)
{
return sprintf(Pluf::f('mercurial_remote_url'), $project->shortname);
}
public static function getAuthAccessUrl($project, $user)
{
return sprintf(Pluf::f('mercurial_remote_url'), $project->shortname);
}
public function isValidRevision($rev)
{
$cmd = sprintf(Pluf::f('hg_path', 'hg').' log -R %s -r %s',
escapeshellarg($this->repo),
escapeshellarg($rev));
$cmd = Pluf::f('idf_exec_cmd_prefix', '').$cmd;
exec($cmd, $out, $ret);
return ($ret == 0) && (count($out) > 0);
}
/**
* Test a given object hash.
*
* @param string Object hash.
* @param null to be svn client compatible
* @return mixed false if not valid or 'blob', 'tree', 'commit'
*/
public function testHash($hash, $dummy=null)
{
$cmd = sprintf(Pluf::f('hg_path', 'hg').' log -R %s -r %s',
escapeshellarg($this->repo),
escapeshellarg($hash));
$ret = 0;
$out = array();
$cmd = Pluf::f('idf_exec_cmd_prefix', '').$cmd;
exec($cmd, $out, $ret);
return ($ret != 0) ? false : 'commit';
}
public function getTree($commit, $folder='/', $branch=null)
{
// now we grab the info about this commit including its tree.
$folder = ($folder == '/') ? '' : $folder;
$co = $this->getCommit($commit);
if ($folder) {
// As we are limiting to a given folder, we need to find
// the tree corresponding to this folder.
$found = false;
foreach ($this->getTreeInfo($co->tree, true, '', true) as $file) {
if ($file->type == 'tree' and $file->file == $folder) {
$found = true;
break;
}
}
if (!$found) {
throw new Exception(sprintf(__('Folder %1$s not found in commit %2$s.'), $folder, $commit));
}
}
$res = $this->getTreeInfo($commit, $recurse=true, $folder);
return $res;
}
/**
* Get the tree info.
*
* @param string Tree hash
* @param bool Do we recurse in subtrees (true)
* @return array Array of file information.
*/
public function getTreeInfo($tree, $recurse=true, $folder='', $root=false)
{
if ('commit' != $this->testHash($tree)) {
throw new Exception(sprintf(__('Not a valid tree: %s.'), $tree));
}
$cmd_tmpl = Pluf::f('hg_path', 'hg').' manifest -R %s --debug -r %s';
$cmd = sprintf($cmd_tmpl, escapeshellarg($this->repo), $tree, ($recurse) ? '' : '');
$out = array();
$res = array();
$cmd = Pluf::f('idf_exec_cmd_prefix', '').$cmd;
exec($cmd, $out);
$tmp_hack = array();
while (null !== ($line = array_pop($out))) {
list($hash, $perm, $exec, $file) = preg_split('/ |\t/', $line, 4);
$file = trim($file);
$dir = explode('/', $file, -1);
$tmp = '';
for ($i=0, $n=count($dir); $i<$n; $i++) {
if ($i > 0) {
$tmp .= '/';
}
$tmp .= $dir[$i];
if (!isset($tmp_hack["empty\t000\t\t$tmp/"])) {
$out[] = "empty\t000\t\t$tmp/";
$tmp_hack["empty\t000\t\t$tmp/"] = 1;
}
}
if (preg_match('/^(.*)\/$/', $file, $match)) {
$type = 'tree';
$file = $match[1];
} else {
$type = 'blob';
}
if (!$root and !$folder and preg_match('/^.*\/.*$/', $file)) {
continue;
}
if ($folder) {
preg_match('|^'.$folder.'[/]?([^/]+)?$|', $file,$match);
if (count($match) > 1) {
$file = $match[1];
} else {
continue;
}
}
$res[] = (object) array('perm' => $perm, 'type' => $type,
'hash' => $hash, 'fullpath' => ($folder) ? $folder.'/'.$file : $file,
'file' => $file);
}
return $res;
}
public function getPathInfo($totest, $commit='tip')
{
$cmd_tmpl = Pluf::f('hg_path', 'hg').' manifest -R %s --debug -r %s';
$cmd = sprintf($cmd_tmpl, escapeshellarg($this->repo), $commit);
$out = array();
$cmd = Pluf::f('idf_exec_cmd_prefix', '').$cmd;
exec($cmd, $out);
$tmp_hack = array();
while (null !== ($line = array_pop($out))) {
list($hash, $perm, $exec, $file) = preg_split('/ |\t/', $line, 4);
$file = trim($file);
$dir = explode('/', $file, -1);
$tmp = '';
for ($i=0, $n=count($dir); $i<$n; $i++) {
if ($i > 0) {
$tmp .= '/';
}
$tmp .= $dir[$i];
if ($tmp == $totest) {
$pathinfo = pathinfo($totest);
return (object) array('perm' => '000', 'type' => 'tree',
'hash' => $hash,
'fullpath' => $totest,
'file' => $pathinfo['basename'],
'commit' => $commit
);
}
if (!isset($tmp_hack["empty\t000\t\t$tmp/"])) {
$out[] = "empty\t000\t\t$tmp/";
$tmp_hack["empty\t000\t\t$tmp/"] = 1;
}
}
if (preg_match('/^(.*)\/$/', $file, $match)) {
$type = 'tree';
$file = $match[1];
} else {
$type = 'blob';
}
if ($totest == $file) {
$pathinfo = pathinfo($totest);
return (object) array('perm' => $perm, 'type' => $type,
'hash' => $hash,
'fullpath' => $totest,
'file' => $pathinfo['basename'],
'commit' => $commit
);
}
}
return false;
}
public function getFile($def, $cmd_only=false)
{
$cmd = sprintf(Pluf::f('hg_path', 'hg').' cat -R %s -r %s %s',
escapeshellarg($this->repo),
escapeshellarg($def->commit),
escapeshellarg($this->repo.'/'.$def->file));
$cmd = Pluf::f('idf_exec_cmd_prefix', '').$cmd;
return ($cmd_only) ? $cmd : shell_exec($cmd);
}
/**
* Get the branches.
*
* @return array Branches.
*/
public function getBranches()
{
if (isset($this->cache['branches'])) {
return $this->cache['branches'];
}
$out = array();
$cmd = sprintf(Pluf::f('hg_path', 'hg').' branches -R %s',
escapeshellarg($this->repo));
$cmd = Pluf::f('idf_exec_cmd_prefix', '').$cmd;
exec($cmd, $out);
$res = array();
foreach ($out as $b) {
preg_match('/(\S+).*\S+:(\S+)/', $b, $match);
$res[$match[1]] = '';
}
$this->cache['branches'] = $res;
return $res;
}
/**
* Get the tags.
*
* @return array Tags.
*/
public function getTags()
{
if (isset($this->cache['tags'])) {
return $this->cache['tags'];
}
$out = array();
$cmd = sprintf(Pluf::f('hg_path', 'hg').' tags -R %s',
escapeshellarg($this->repo));
$cmd = Pluf::f('idf_exec_cmd_prefix', '').$cmd;
exec($cmd, $out);
$res = array();
foreach ($out as $b) {
preg_match('/(\S+).*\S+:(\S+)/', $b, $match);
$res[$match[1]] = '';
}
$this->cache['tags'] = $res;
return $res;
}
public function inBranches($commit, $path)
{
return (in_array($commit, array_keys($this->getBranches())))
? array($commit) : array();
}
public function inTags($commit, $path)
{
return (in_array($commit, array_keys($this->getTags())))
? array($commit) : array();
}
/**
* Get commit details.
*
* @param string Commit ('HEAD')
* @param bool Get commit diff (false)
* @return array Changes
*/
public function getCommit($commit, $getdiff=false)
{
if (!$this->isValidRevision($commit)) {
return false;
}
$tmpl = ($getdiff) ?
Pluf::f('hg_path', 'hg').' log -p -r %s -R %s' : Pluf::f('hg_path', 'hg').' log -r %s -R %s';
$cmd = sprintf($tmpl,
escapeshellarg($commit), escapeshellarg($this->repo));
$out = array();
$cmd = Pluf::f('idf_exec_cmd_prefix', '').$cmd;
exec($cmd, $out);
$log = array();
$change = array();
$inchange = false;
foreach ($out as $line) {
if (!$inchange and 0 === strpos($line, 'diff -r')) {
$inchange = true;
}
if ($inchange) {
$change[] = $line;
} else {
$log[] = $line;
}
}
$out = self::parseLog($log, 6);
$out[0]->changes = implode("\n", $change);
return $out[0];
}
/**
* Check if a commit is big.
*
* @param string Commit ('HEAD')
* @return bool The commit is big
*/
public function isCommitLarge($commit='HEAD')
{
return false;
}
/**
* Get latest changes.
*
* @param string Commit ('HEAD').
* @param int Number of changes (10).
* @return array Changes.
*/
public function getChangeLog($commit='tip', $n=10)
{
$cmd = sprintf(Pluf::f('hg_path', 'hg').' log -R %s -l%s ', escapeshellarg($this->repo), $n, $commit);
$out = array();
$cmd = Pluf::f('idf_exec_cmd_prefix', '').$cmd;
exec($cmd, $out);
return self::parseLog($out, 6);
}
/**
* Parse the log lines of a --pretty=medium log output.
*
* @param array Lines.
* @param int Number of lines in the headers (3)
* @return array Change log.
*/
public static function parseLog($lines, $hdrs=3)
{
$res = array();
$c = array();
$i = 0;
$hdrs += 1;
foreach ($lines as $line) {
$i++;
if (0 === strpos($line, 'changeset:')) {
if (count($c) > 0) {
$c['full_message'] = trim($c['full_message']);
$res[] = (object) $c;
}
$c = array();
$c['commit'] = substr(strrchr($line, ':'), 1);
$c['full_message'] = '';
$i=1;
continue;
}
if ($i == $hdrs) {
$c['title'] = trim($line);
continue;
}
$match = array();
if (preg_match('/(\S+)\s*:\s*(.*)/', $line, $match)) {
$match[1] = strtolower($match[1]);
if ($match[1] == 'user') {
$c['author'] = $match[2];
} elseif ($match[1] == 'summary') {
$c['title'] = $match[2];
} else {
$c[$match[1]] = trim($match[2]);
}
if ($match[1] == 'date') {
$c['date'] = gmdate('Y-m-d H:i:s', strtotime($match[2]));
}
continue;
}
if ($i > ($hdrs+1)) {
$c['full_message'] .= trim($line)."\n";
continue;
}
}
$c['tree'] = !empty($c['commit']) ? trim($c['commit']) : '';
$c['full_message'] = !empty($c['full_message']) ? trim($c['full_message']) : '';
$res[] = (object) $c;
return $res;
}
/**
* Generate the command to create a zip archive at a given commit.
*
* @param string Commit
* @param string Prefix ('git-repo-dump')
* @return string Command
*/
public function getArchiveCommand($commit, $prefix='')
{
return sprintf(Pluf::f('idf_exec_cmd_prefix', '').
Pluf::f('hg_path', 'hg').' archive --type=zip -R %s -r %s -',
escapeshellarg($this->repo),
escapeshellarg($commit));
}
}