Re: [PATCHv3] clone: fix refspec on "--single-branch" option

Ralf Thielow [off-list ref] writes:

+	if (option_mirror || !option_bare) {
+		strbuf_reset(&value);
+		if (option_single_branch) {
+			if (option_branch)
+				strbuf_addf(&value, "+%s%s:%s%s",
+						src_ref_prefix, option_branch,
+						branch_top.buf, option_branch);
+			else if (remote_head_points_at)
+				strbuf_addf(&value, "+%s:%s%s",
+						remote_head_points_at->name, branch_top.buf,
+						skip_prefix(remote_head_points_at->name, "refs/heads/"));

We have already set "remote.origin.url" to this repository, so the
next "git fetch" would simply fetch from "HEAD" per default.
Perhaps worth commenting that here?

Other than that, looks good.  Perhaps we would want a test or two,
too?

Thanks.