Method: Rugged::Repository#revert_commit

Defined in:

ext/rugged/rugged_repo.c

#revert_commit(revert_commit, our_commit, options = {}) ⇒ Object

Reverts the given commit against the given “our” commit, producing an index that reflects the result of the revert.

# File 'ext/rugged/rugged_repo.c', line 942

static VALUE rb_git_repo_revert_commit(int argc, VALUE *argv, VALUE self)
{
	VALUE rb_revert_commit, rb_our_commit, rb_options;
	git_commit *revert_commit, *our_commit;
	git_index *index;
	git_repository *repo;
	git_merge_options opts = GIT_MERGE_OPTIONS_INIT;
	unsigned int mainline = 0;
	int error;

	rb_scan_args(argc, argv, "20:", &rb_revert_commit, &rb_our_commit, &rb_options);

	if (TYPE(rb_revert_commit) == T_STRING)
		rb_revert_commit = rugged_object_rev_parse(self, rb_revert_commit, 1);

	if (TYPE(rb_our_commit) == T_STRING)
		rb_our_commit = rugged_object_rev_parse(self, rb_our_commit, 1);

	if (!rb_obj_is_kind_of(rb_revert_commit, rb_cRuggedCommit) ||
		!rb_obj_is_kind_of(rb_our_commit, rb_cRuggedCommit)) {
		rb_raise(rb_eArgError, "Expected a Rugged::Commit.");
	}

	if (!NIL_P(rb_options)) {
		VALUE rb_mainline;

		Check_Type(rb_options, T_HASH);
		rugged_parse_merge_options(&opts, rb_options);

		rb_mainline = rb_hash_aref(rb_options, CSTR2SYM("mainline"));
		if (!NIL_P(rb_mainline)) {
			Check_Type(rb_mainline, T_FIXNUM);
			mainline = FIX2UINT(rb_mainline);
		}
	}

	Data_Get_Struct(self, git_repository, repo);
	TypedData_Get_Struct(rb_revert_commit, git_commit, &rugged_object_type, revert_commit);
	TypedData_Get_Struct(rb_our_commit, git_commit, &rugged_object_type, our_commit);

	error = git_revert_commit(&index, repo, revert_commit, our_commit, mainline, &opts);
	if (error == GIT_EMERGECONFLICT)
		return Qnil;

	rugged_exception_check(error);

	return rugged_index_new(rb_cRuggedIndex, self, index);
}