submodule: try harder to fetch needed sha1 by direct fetching sha1

diff --git a/wt-status.c b/wt-status.c
index 435fc2806ec0a59acf390ee89ed2efc79f229a0e..bba25960b4e3c54a7c1d8861ea895fbe01aa3110 100644 (file)
--- a/wt-status.c
+++ b/wt-status.c
@@ -1317,15 +1317,14 @@ static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
        target += strlen(" to ");
        strbuf_reset(&cb->buf);
        hashcpy(cb->nsha1, nsha1);
-       for (end = target; *end && *end != '\n'; end++)
-               ;
-       if (!memcmp(target, "HEAD", end - target)) {
+       end = strchrnul(target, '\n');
+       strbuf_add(&cb->buf, target, end - target);
+       if (!strcmp(cb->buf.buf, "HEAD")) {
                /* HEAD is relative. Resolve it to the right reflog entry. */
+               strbuf_reset(&cb->buf);
                strbuf_addstr(&cb->buf,
                              find_unique_abbrev(nsha1, DEFAULT_ABBREV));
-               return 1;
        }
-       strbuf_add(&cb->buf, target, end - target);
        return 1;
 }
 
@@ -1347,7 +1346,7 @@ static void wt_status_get_detached_from(struct wt_status_state *state)
            (!hashcmp(cb.nsha1, sha1) ||
             /* perhaps sha1 is a tag, try to dereference to a commit */
             ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
-             !hashcmp(cb.nsha1, commit->object.sha1)))) {
+             !hashcmp(cb.nsha1, commit->object.oid.hash)))) {
                const char *from = ref;
                if (!skip_prefix(from, "refs/tags/", &from))
                        skip_prefix(from, "refs/remotes/", &from);