Re: [PATCH v6 3/6] refs: receive and use the reference storage payload

> On Sat, Feb 14, 2026 at 11:34:16PM +0100, Karthik Nayak wrote:
>> diff --git a/refs.c b/refs.c
>> index 77b93d655b..11d028232b 100644
>> --- a/refs.c
>> +++ b/refs.c
>> @@ -3425,3 +3426,40 @@ const char *ref_transaction_error_msg(enum ref_transaction_error err)
>>  		return "unknown failure";
>>  	}
>>  }
>> +
>> +void refs_compute_filesystem_location(const char *gitdir, const char *payload,
>> +				      bool *is_worktree, struct strbuf *refdir,
>> +				      struct strbuf *ref_common_dir)
>> +{
>> +	struct strbuf sb = STRBUF_INIT;
>> +
>> +	*is_worktree = get_common_dir_noenv(ref_common_dir, gitdir);
>> +
>> +	if (!payload) {
>> +		/*
>> +		 * We can use the 'gitdir' as the 'refdir' without appending the
>> +		 * worktree path, as the 'gitdir' here is already the worktree
>> +		 * path and is different from 'commondir' denoted by 'ref_common_dir'.
>> +		 */
>> +		strbuf_addstr(refdir, gitdir);
>> +		return;
>> +	}
>> +
>> +	if (!is_absolute_path(payload)) {
>> +		strbuf_addf(&sb, "%s/%s", ref_common_dir->buf, payload);
>> +		strbuf_realpath(ref_common_dir, sb.buf, 1);
>> +	} else {
>> +		strbuf_realpath(ref_common_dir, payload, 1);
>> +	}
>> +
>> +	strbuf_addbuf(refdir, ref_common_dir);
>> +
>> +	if (*is_worktree) {
>> +		const char *wt_id = strrchr(gitdir, '/');
>> +		if (!wt_id)
>> +			BUG("worktree path does not contain slash ");
>
> There's a trailing space in the error message here.
>
> Patrick