Lookup a tree object from the repository,
given a prefix of its identifier (short id).
@see git_object_lookup_prefix
@param out_ pointer to the looked up tree
@param repo the repo to use when locating the tree.
@param id identity of the tree to locate.
@param len the length of the short identifier
@return 0 or an error code
Lookup a tree object from the repository, given a prefix of its identifier (short id).
@see git_object_lookup_prefix
@param out_ pointer to the looked up tree @param repo the repo to use when locating the tree. @param id identity of the tree to locate. @param len the length of the short identifier @return 0 or an error code