<?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 ***** */
/**
* Git utils.
*/
class IDF_Git
{
public $repo = '';
public function __construct($repo)
{
$this->repo = $repo;
}
/**
* Given a commit hash (or a branch) returns an array of files in
* it.
*
* A file is a class with the following properties:
*
* 'perm', 'type', 'size', 'hash', 'file'
*
* @param string Tree ('HEAD')
* @param string Base folder ('')
* @return array
*/
public function filesInTree($tree='HEAD', $basefolder='')
{
if (is_object($basefolder)) {
$base = $basefolder;
} else if (
$basefolder != ''
and
(
(false === ($base=$this->getFileInfo($basefolder, $tree)))
or
($base->type != 'tree')
)) {
throw new Exception(sprintf('Base folder "%s" not found.', $basefolder));
} else {
// no base
$base = (object) array('file' => '',
'hash' => $tree);
}
$res = array();
$out = array();
$cmd = sprintf('GIT_DIR=%s git-ls-tree -t -l %s', $this->repo, $base->hash);
exec($cmd, &$out);
$rawlog = array();
foreach ($this->getBranches() as $br) {
$cmd = sprintf('GIT_DIR=%s git log --raw --abbrev=40 --pretty=oneline %s',
$this->repo, $br);
exec($cmd, &$rawlog);
}
$rawlog = implode("\n", array_reverse($rawlog));
$current_dir = getcwd();
chdir(substr($this->repo, 0, -5));
foreach ($out as $line) {
list($perm, $type, $hash, $size, $file) = preg_split('/ |\t/', $line, 5, PREG_SPLIT_NO_EMPTY);
$matches = array();
$date = '1970-01-01 12:00:00';
$log = '';
if ($type == 'blob' and preg_match('/^\:\d{6} \d{6} [0-9a-f]{40} '.$hash.' .*^([0-9a-f]{40})/msU',
$rawlog, &$matches)) {
$_c = $this->getCommit($matches[1]);
$date = $_c->date;
$log = $_c->title;
}
$res[] = (object) array('perm' => $perm, 'type' => $type,
'size' => $size, 'hash' => $hash,
'fullpath' => ($base->file) ? $base->file.'/'.$file : $file,
'log' => $log, 'date' => $date,
'file' => $file);
}
chdir($current_dir);
return $res;
}
/**
* Get the file info.
*
* @param string File
* @param string Tree ('HEAD')
* @return false Information
*/
public function getFileInfo($totest, $tree='HEAD')
{
$cmd_tmpl = 'GIT_DIR=%s git-ls-tree -r -t -l %s';
$cmd = sprintf($cmd_tmpl, $this->repo, $tree);
$out = array();
exec($cmd, &$out);
foreach ($out as $line) {
list($perm, $type, $hash, $size, $file) = preg_split('/ |\t/', $line, 5, PREG_SPLIT_NO_EMPTY);
if ($totest == $file) {
return (object) array('perm' => $perm, 'type' => $type,
'size' => $size, 'hash' => $hash,
'file' => $file);
}
}
return false;
}
/**
* Get a blob.
*
* @param string Blob hash
* @return string Raw blob
*/
public function getBlob($hash)
{
return shell_exec(sprintf('GIT_DIR=%s git-cat-file blob %s',
$this->repo, $hash));
}
/**
* Get the branches.
*/
public function getBranches()
{
$out = array();
exec(sprintf('GIT_DIR=%s git branch', $this->repo), &$out);
$res = array();
foreach ($out as $b) {
$res[] = substr($b, 2);
}
return $res;
}
/**
* Get commit details.
*
* @param string Commit ('HEAD').
* @return array Changes.
*/
public function getCommit($commit='HEAD')
{
$cmd = sprintf('GIT_DIR=%s git show --date=iso --pretty=medium %s',
escapeshellarg($this->repo), $commit);
$out = array();
exec($cmd, &$out);
$log = array();
$change = array();
$inchange = false;
foreach ($out as $line) {
if (!$inchange and 0 === strpos($line, 'diff --git a')) {
$inchange = true;
}
if ($inchange) {
$change[] = $line;
} else {
$log[] = $line;
}
}
$out = self::parseLog($log);
$out[0]->changes = $change;
return $out[0];
}
/**
* Get latest changes.
*
* @param string Tree ('HEAD').
* @param int Number of changes (10).
* @return array Changes.
*/
public function getChangeLog($tree='HEAD', $n=10)
{
$format = 'commit %H%nAuthor: %an <%ae>%nTree: %T%nDate: %ai%n%n%s%n%n%b';
if ($n === null) $n = '';
else $n = ' -'.$n;
$cmd = sprintf('GIT_DIR=%s git log%s --date=iso --pretty=format:\'%s\' %s',
escapeshellarg($this->repo), $n, $format, $tree);
$out = array();
exec($cmd, &$out);
//print_r($cmd);
return self::parseLog($out, 4);
}
/**
* Parse the log lines of a --pretty=medium log output.
*
* @param array Lines.
* @param int Number of lines in the headers (3)
* @return array Change log.
*/
public static function parseLog($lines, $hdrs=3)
{
$res = array();
$c = array();
$i = 0;
$hdrs += 2;
foreach ($lines as $line) {
$i++;
if (0 === strpos($line, 'commit')) {
if (count($c) > 0) {
$c['full_message'] = trim($c['full_message']);
$res[] = (object) $c;
}
$c = array();
$c['commit'] = trim(substr($line, 7));
$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]);
$c[$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;
}
}
$c['full_message'] = trim($c['full_message']);
$res[] = (object) $c;
return $res;
}
}
accountmanagementengine