<?php
include_once dirname(__FILE__) . '/SilverStripeBuildTask.php';
/**
* Returns changelogs for the git (or svn) repositories specified in the changelog-definitions file
*
* @author jseide
*
*/
class CreateChangelog extends SilverStripeBuildTask {
protected $definitions = null;
protected $baseDir = null;
protected $sort = 'type';
protected $filter = null;
/**
* Order of the array keys determines order of the lists.
*/
public $types = array(
'API Changes' => array('/^API CHANGE:?/i','/^APICHANGE?:?/i'),
'Features and Enhancements' => array('/^(ENHANCEMENT|ENHNACEMENT):?/i', '/^FEATURE:?/i'),
'Bugfixes' => array('/^(BUGFIX|BUGFUX):?/i','/^BUG FIX:?/i'),
'Minor changes' => array('/^MINOR:?/i'),
'Other' => array('/^[^A-Z][^A-Z][^A-Z]/') // dirty trick: check for uppercase characters
);
public $commitUrls = array(
'.' => 'https://github.com/silverstripe/silverstripe-installer/commit/%s',
'sapphire' => 'https://github.com/silverstripe/sapphire/commit/%s',
'cms' => 'https://github.com/silverstripe/silverstripe-cms/commit/%s',
'themes/blackcandy' => 'https://github.com/silverstripe-themes/silverstripe-blackcandy/commit/%s',
);
public $ignoreRules = array(
'/^Merge/',
'/^Blocked revisions/',
'/^Initialized merge tracking /',
'/^Created (branches|tags)/',
'/^NOTFORMERGE/',
'/^\s*$/'
);
public function setDefinitions($definitions) {
$this->definitions = $definitions;
}
public function setBaseDir($base) {
$this->baseDir = realpath($base);
}
public function setSort($sort) {
$this->sort = $sort;
}
public function setFilter($filter) {
$this->filter = $filter;
}
/**
* Checks is a folder is a version control repository
*/
protected function isRepository($dir_path, $filter) {
$dir = $dir_path;
if (file_exists($dir)) {
// open this directory
if ($handle = opendir($dir)) {
// get each file
while (false !== ($file = readdir($handle))) {
if ($file == $filter && is_dir($file)) {
if ($filter == '.git') { //extra check for git repos
if (file_exists($dir.'/'.$file.'/HEAD')) {
return true; //$dir is a git repository
}
} else { //return true for .svn repos
return true;
}
}
}
echo "Folder '$dir' is not a $filter repository\n";
}
} else {
echo "Folder '$dir' does not exist\n";
}
return false;
}
protected function isGitRepo($dir) {
return $this->isRepository($dir, '.git');
}
protected function isSvnRepo($dir) {
return $this->isRepository($dir, '.svn');
}
protected function gitLog($path, $from = null, $to = null) {
//set the from -> to range, depending on which os these have been set
if ($from && $to) $range = " $from..$to";
elseif ($from) $range = " $from..HEAD";
else $range = "";
chdir("$this->baseDir/$path"); //switch to the module's path
// Internal serialization format, ideally this would be JSON but we can't escape characters in git logs.
$log = $this->exec("git log --pretty=tformat:\"message:%s|||author:%aN|||abbrevhash:%h|||hash:%H|||date:%ad|||timestamp:%at\" --date=short {$range}", true);
chdir($this->baseDir); //switch the working directory back
return $log;
}
/** Sort by the first two letters of the commit string.
* Put any commits without BUGFIX, ENHANCEMENT, etc. at the end of the list
*/
function sortByType($commits) {
$groupedByType = array();
// sort by timestamp
usort($commits, function($a, $b) {
if($a['timestamp'] == $b['timestamp']) return 0;
else return ($a['timestamp'] > $b['timestamp']) ? -1 : 1;
});
foreach($commits as $k => $commit) {
// TODO
// skip ignored revisions
// if(in_array($commit['changeset'], $this->ignorerevisions)) continue;
// Remove email addresses
$commit['message'] = preg_replace('/(<?[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}>?)/mi', '', $commit['message']);
// Condense git-style "From:" messages (remove preceding newline)
if(preg_match('/^From\:/mi', $commit['message'])) {
$commit['message'] = preg_replace('/\n\n^(From\:)/mi', ' $1', $commit['message']);
}
$matched = false;
foreach($this->types as $name => $rules) {
if(!isset($groupedByType[$name])) $groupedByType[$name] = array();
foreach($rules as $rule) {
if(!$matched && preg_match($rule, $commit['message'])) {
// @todo The fallback rule on other can't be replaced, as it doesn't match a full prefix
$commit['message'] = ($name != 'Other') ? trim(preg_replace($rule, '', $commit['message'])) : $commit['message'];
$groupedByType[$name][] = $commit;
$matched = true;
}
}
}
if(!$matched) {
if(!isset($groupedByType['Other'])) $groupedByType['Other'] = array();
$groupedByType['Other'][] = $commit;
}
}
// // remove all categories which should be ignored
// if($this->categoryIgnore) foreach($this->categoryIgnore as $categoryIgnore) {
// if(isset($groupedByType[$categoryIgnore])) unset($groupedByType[$categoryIgnore]);
// }
return $groupedByType;
}
function commitToArray($commit) {
$arr = array();
$parts = explode('|||', $commit);
foreach($parts as $part) {
preg_match('/([^:]*)\:(.*)/', $part, $matches);
$arr[$matches[1]] = $matches[2];
}
return $arr;
}
static function isupper($i) {
return (strtoupper($i) === $i);
}
static function islower($i) {
return (strtolower($i) === $i);
}
public function main() {
error_reporting(E_ALL);
chdir($this->baseDir); //change current working directory
//parse the definitions file
$items = file($this->definitions);
$repos = array(); //git (or svn) repos to scan
foreach ($items as $item) {
$item = trim($item);
if (strpos($item, '#') === 0) {
continue;
}
$bits = preg_split('/\s+/', $item);
if (count($bits) == 1) {
$repos[$bits[0]] = "";
} elseif (count($bits) == 2) {
$repos[$bits[0]] = array($bits[1], null); //sapphire => array(from => HEAD)
} elseif (count($bits) == 3) {
$repos[$bits[0]] = array($bits[1],$bits[2]); //sapphire => array(from => to)
} else {
continue;
}
}
//check all the paths are valid git repos
$gitRepos = array();
$svnRepos = array();
foreach($repos as $path => $range) {
if ($this->isGitRepo($path)) $gitRepos[$path] = $range; //add all git repos to a special array
//TODO: for svn support use the isSvnRepo() method to add repos to the svnRepos array
}
//run git log
$log = array();
foreach($gitRepos as $path => $range) {
$logForPath = array();
if (!empty($range)) {
$from = (isset($range[0])) ? $range[0] : null;
$to = (isset($range[1])) ? $range[1] : null;
$logForPath = explode("\n", $this->gitLog($path, $from, $to));
} else {
$logForPath = explode("\n", $this->gitLog($path));
}
foreach($logForPath as $commit) {
if(!$commit) continue;
$commitArr = $this->commitToArray($commit);
$commitArr['path'] = $path;
// Avoid duplicates by keying on hash
$log[$commitArr['hash']] = $commitArr;
}
}
// Remove ignored commits
foreach($log as $k => $commit) {
$ignore = false;
foreach($this->ignoreRules as $ignoreRule) {
if(preg_match($ignoreRule, $commit['message'])) {
unset($log[$k]);
continue;
}
}
}
//sort the output (based on params), grouping
if ($this->sort == 'type') {
$groupedLog = $this->sortByType($log);
} else {
//leave as sorted by default order
$groupedLog = array('All' => $log);
}
//filter out commits we don't want
// if ($this->filter) {
// foreach($groupedLog as $key => $item) {
// if (preg_match($this->filter, $item)) unset($groupedLog[$key]);
// }
// }
//convert to string
//and generate markdown (add list to beginning of each item)
$output = "\n";
foreach($groupedLog as $groupName => $commits) {
if(!$commits) continue;
$output .= "\n### $groupName\n\n";
foreach($commits as $commit) {
if(isset($this->commitUrls[$commit['path']])) {
$hash = sprintf('[%s](%s)',
$commit['abbrevhash'],
sprintf($this->commitUrls[$commit['path']], $commit['abbrevhash'])
);
} else {
$hash = sprintf('[%s]', $commit['abbrevhash']);
}
$commitStr = sprintf('%s %s %s (%s)',
$commit['date'],
$hash,
// Avoid rendering HTML in markdown
str_replace(array('<', '>'), array('<', '>'), $commit['message']),
$commit['author']
);
// $commitStr = sprintf($this->exec("git log --pretty=tformat:\"%s\" --date=short {$hash}^..{$hash}", true), $this->gitLogFormat);
$output .= " * $commitStr\n";
}
}
$this->project->setProperty('changelogOutput',$output);
}
}
?>