public static function treeDiff($commitA, $commitB)
{
return GitTree::treeDiff($commitA ? $commitA->getTree() : null, $commitB ? $commitB->getTree() : null);
}
/**
* @brief Updates a node in this tree.
*
* Missing directories in the path will be created automatically.
*
* @param $path (string) Path to the node, relative to this tree.
* @param $mode Git mode to set the node to. 0 if the node shall be
* cleared, i.e. the tree or blob shall be removed from this path.
* @param $object (string) Binary SHA-1 hash of the object that shall be
* placed at the given path.
*
* @returns (array of GitObject) An array of GitObject%s that were newly
* created while updating the specified node. Those need to be written to
* the repository together with the modified tree.
*/
public function updateNode($path, $mode, $object)
{
if (!is_array($path)) {
$path = explode('/', $path);
}
$name = array_shift($path);
if (count($path) == 0) {
/* create leaf node */
if ($mode) {
$node = new stdClass();
$node->mode = $mode;
$node->name = $name;
$node->object = $object;
$node->is_dir = !!($mode & 040000);
$this->nodes[$node->name] = $node;
} else {
unset($this->nodes[$name]);
}
return array();
} else {
/* descend one level */
if (isset($this->nodes[$name])) {
$node = $this->nodes[$name];
if (!$node->is_dir) {
throw new GitTreeInvalidPathError();
}
$subtree = clone $this->repo->getObject($node->object);
} else {
/* create new tree */
$subtree = new GitTree($this->repo);
$node = new stdClass();
$node->mode = 040000;
$node->name = $name;
$node->is_dir = true;
$this->nodes[$node->name] = $node;
}
$pending = $subtree->updateNode($path, $mode, $object);
$subtree->rehash();
$node->object = $subtree->getName();
$pending[] = $subtree;
return $pending;
}
}
