Method: Rugged::Repository#merge_base

Defined in:
ext/rugged/rugged_repo.c

#merge_base(oid1, oid2, ...) ⇒ Object #merge_base(ref1, ref2, ...) ⇒ Object #merge_base(commit1, commit2, ...) ⇒ Object

Find a merge base, given two or more commits or oids. Returns nil if a merge base is not found.


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# File 'ext/rugged/rugged_repo.c', line 779

static VALUE rb_git_repo_merge_base(VALUE self, VALUE rb_args)
{
	int error = GIT_OK, i;
	git_repository *repo;
	git_oid base, *input_array = xmalloc(sizeof(git_oid) * RARRAY_LEN(rb_args));
	int len = (int)RARRAY_LEN(rb_args);

	if (len < 2)
		rb_raise(rb_eArgError, "wrong number of arguments (%d for 2+)", len);

	Data_Get_Struct(self, git_repository, repo);

	for (i = 0; !error && i < len; ++i) {
		error = rugged_oid_get(&input_array[i], repo, rb_ary_entry(rb_args, i));
	}

	if (error) {
		xfree(input_array);
		rugged_exception_check(error);
	}

	error = git_merge_base_many(&base, repo, len, input_array);
	xfree(input_array);

	if (error == GIT_ENOTFOUND)
		return Qnil;

	rugged_exception_check(error);

	return rugged_create_oid(&base);
}