diff options
Diffstat (limited to '3rdparty/granite/git/commit.php')
| -rw-r--r-- | 3rdparty/granite/git/commit.php | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/3rdparty/granite/git/commit.php b/3rdparty/granite/git/commit.php new file mode 100644 index 00000000000..51077e89f3c --- /dev/null +++ b/3rdparty/granite/git/commit.php @@ -0,0 +1,232 @@ +<?php +/** + * Commit - provides a 'commit' object + * + * PHP version 5.3 + * + * @category Git + * @package Granite + * @author Craig Roberts <craig0990@googlemail.com> + * @license http://www.opensource.org/licenses/mit-license.php MIT Expat License + * @link http://craig0990.github.com/Granite/ + */ + +namespace Granite\Git; +use \Granite\Git\Object\Raw as Raw; +use \InvalidArgumentException as InvalidArgumentException; + +/** + * Commit represents a full commit object + * + * @category Git + * @package Granite + * @author Craig Roberts <craig0990@googlemail.com> + * @license http://www.opensource.org/licenses/mit-license.php MIT Expat License + * @link http://craig0990.github.com/Granite/ + */ +class Commit +{ + + /** + * The path to the repository root + */ + private $path; + /** + * The SHA-1 id of the requested commit + */ + private $sha; + /** + * The size of the commit in bytes + */ + private $size; + /** + * The commit message + */ + private $message; + /** + * The full committer string + */ + private $committer; + /** + * The full author string + */ + private $author; + /** + * The SHA-1 ids of the parent commits + */ + private $parents = array(); + + /** + * Fetches a raw Git object and parses the result. Throws an + * InvalidArgumentException if the object is not of the correct type, + * or cannot be found. + * + * @param string $path The path to the repository root + * @param string $sha The SHA-1 id of the requested object + * + * @throws InvalidArgumentException + */ + public function __construct($path, $sha = NULL) + { + $this->path = $path; + if ($sha !== NULL) { + $this->sha = $sha; + $object = Raw::factory($path, $sha); + $this->size = $object->size(); + + if ($object->type() !== Raw::OBJ_COMMIT) { + throw new InvalidArgumentException( + "The object $sha is not a commit, type is " . $object->type() + ); + } + + // Parse headers and commit message (delimited with "\n\n") + list($headers, $this->message) = explode("\n\n", $object->content(), 2); + $headers = explode("\n", $headers); + + foreach ($headers as $header) { + list($header, $value) = explode(' ', $header, 2); + if ($header == 'parent') { + $this->parents[] = $value; + } else { + $this->$header = $value; + } + } + + $this->tree = new Tree($this->path, $this->tree); + } + } + + /** + * Returns the message stored in the commit + * + * @return string The commit message + */ + public function message($message = NULL) + { + if ($message !== NULL) { + $this->message = $message; + return $this; + } + return $this->message; + } + + /** + * Returns the commiter string + * + * @return string The committer string + */ + public function committer($committer = NULL) + { + if ($committer !== NULL) { + $this->committer = $committer; + return $this; + } + return $this->committer; + } + + /** + * Returns the author string + * + * @return string The author string + */ + public function author($author = NULL) + { + if ($author !== NULL) { + $this->author = $author; + return $this; + } + return $this->author; + } + + /** + * Returns the parents of the commit, or an empty array if none + * + * @return array The parents of the commit + */ + public function parents($parents = NULL) + { + if ($parents !== NULL) { + $this->parents = $parents; + return $this; + } + return $this->parents; + } + + /** + * Returns a tree object associated with the commit + * + * @return Tree + */ + public function tree(Tree $tree = NULL) + { + if ($tree !== NULL) { + $this->tree = $tree; + return $this; + } + return $this->tree; + } + + /** + * Returns the size of the commit in bytes (Git header + data) + * + * @return int + */ + public function size() + { + return $this->size; + } + + /** + * Returns the size of the commit in bytes (Git header + data) + * + * @return int + */ + public function sha() + { + $this->sha = hash('sha1', $this->_raw()); + return $this->sha; + } + + public function write() + { + $sha = $this->sha(); + $path = $this->path + . 'objects' + . DIRECTORY_SEPARATOR + . substr($sha, 0, 2) + . DIRECTORY_SEPARATOR + . substr($sha, 2); + // FIXME: currently writes loose objects only + if (file_exists($path)) { + return FALSE; + } + + if (!is_dir(dirname($path))) { + mkdir(dirname($path), 0777, TRUE); + } + + $loose = fopen($path, 'wb'); + $data = $this->_raw(); + $write = fwrite($loose, gzcompress($data)); + fclose($loose); + + return ($write !== FALSE); + } + + public function _raw() + { + $data = 'tree ' . $this->tree->sha() . "\n"; + foreach ($this->parents as $parent) + { + $data .= "parent $parent\n"; + } + $data .= 'author ' . $this->author . "\n"; + $data .= 'committer ' . $this->committer . "\n\n"; + $data .= $this->message; + + $data = 'commit ' . strlen($data) . "\0" . $data; + return $data; + } + +} |