function git_read_tag($proj, $tag_id)
{
$obj = $proj->getObject($tag_id);
if ($obj->getType() != Git::OBJ_TAG) {
return;
}
$tag['id'] = sha1_hex($tag_id);
if ($obj->object !== null) {
$tag['object'] = sha1_hex($obj->object);
}
if ($obj->objtype !== null) {
$tag['type'] = Git::getTypeName($obj->objtype);
}
if ($obj->tag !== null) {
$tag['name'] = $obj->tag;
}
if ($obj->tagger !== null) {
$tag['author'] = $obj->tagger->name;
$tag['epoch'] = $obj->tagger->time;
$tag['tz'] = sprintf("%+03d%02d", $obj->tagger->offset / 3600, abs($obj->tagger->offset % 3600 / 60));
}
$tag['comment'] = explode("\n", $obj->summary . "\n" . $obj->detail);
if (!isset($tag['name'])) {
return null;
}
return $tag;
}
/**
* @brief Write this object in its serialized form to the git repository
* given at creation time.
*/
public function write()
{
$sha1 = sha1_hex($this->name);
$path = sprintf('%s/objects/%s/%s', $this->repo->dir, substr($sha1, 0, 2), substr($sha1, 2));
if (file_exists($path)) {
return FALSE;
}
$dir = dirname($path);
if (!is_dir($dir)) {
mkdir(dirname($path), 0770);
}
$f = fopen($path, 'ab');
flock($f, LOCK_EX);
ftruncate($f, 0);
$data = $this->serialize();
$data = Git::getTypeName($this->type) . ' ' . strlen($data) . "" . $data;
fwrite($f, gzcompress($data));
fclose($f);
return TRUE;
}
protected function addObject($obj, $data)
{
$hash = hash_init("sha1");
hash_update($hash, Git::getTypeName($obj->type));
hash_update($hash, ' ');
hash_update($hash, strlen($data));
hash_update($hash, "");
hash_update($hash, $data);
$hash = hash_final($hash, true);
if (isset($this->objects[$hash])) {
throw new Exception(sprintf("duplicate object %s\n", sha1_hex($hash)));
}
$this->objects[$hash] = $obj;
return $hash;
}
public function _serialize()
{
$s = '';
if ($this->object !== null) {
$s .= sprintf("object %s\n", sha1_hex($this->object));
$s .= sprintf("type %s\n", Git::getTypeName($this->objtype));
}
if ($this->tag !== null) {
$s .= sprintf("tag %s\n", $this->tagger->serialize());
}
if ($this->tagger !== null) {
$s .= sprintf("tagger %s\n", $this->tagger->serialize());
}
$s .= "\n" . $this->summary . "\n" . $this->detail;
return $s;
}
