Michael Haggerty <mhag...@alum.mit.edu> writes:
> If we don't have to strip trailing '/' from the submodule path, then
> don't allocate and copy the submodule name.
Makes sense.
> int resolve_gitlink_ref(const char *path, const char *refname, unsigned char
> *sha1)
> {
> - int len = strlen(path);
> - struct strbuf submodule = STRBUF_INIT;
> + size_t len, orig_len = strlen(path);
> struct ref_store *refs;
> int flags;
>
> - while (len && path[len-1] == '/')
> - len--;
> + for (len = orig_len; len && path[len - 1] == '/'; len--)
> + ;
> +
> if (!len)
> return -1;
>
> - strbuf_add(&submodule, path, len);
> - refs = get_ref_store(submodule.buf);
> - strbuf_release(&submodule);
> + if (len == orig_len) {
You can keep the original while (), without introducing orig_len,
and check if path[len] is NUL, which would probably be an end result
that is easier to read.
> + refs = get_ref_store(path);
> + } else {
> + char *stripped = xmemdupz(path, len);
> +
> + refs = get_ref_store(stripped);
> + free(stripped);
An alternative might be to add get_ref_store_counted() that takes
(path, len) instead of NUL-terminated path, which does not look too
bad looking at the state after applying all 38 patches.
> + }
> +
> if (!refs)
> return -1;
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