test-lib: Allow overriding of TEST_DIRECTORY

diff --git a/bisect.c b/bisect.c
index b779a9589aae28ed8e92ca64309fb62936480e9d..b556b11610480afd80cddd86a81af9737254ee36 100644 (file)
--- a/bisect.c
+++ b/bisect.c
@@ -593,7 +593,7 @@ struct commit_list *filter_skipped(struct commit_list *list,
  * is increased by one between each call, but that should not matter
  * for this application.
  */
-int get_prn(int count) {
+static int get_prn(int count) {
        count = count * 1103515245 + 12345;
        return ((unsigned)(count/65536) % PRN_MODULO);
 }
@@ -813,11 +813,11 @@ static void handle_skipped_merge_base(const unsigned char *mb)
        char *bad_hex = sha1_to_hex(current_bad_sha1);
        char *good_hex = join_sha1_array_hex(&good_revs, ' ');
 
-       fprintf(stderr, "Warning: the merge base between %s and [%s] "
+       warning("the merge base between %s and [%s] "
                "must be skipped.\n"
                "So we cannot be sure the first bad commit is "
                "between %s and %s.\n"
-               "We continue anyway.\n",
+               "We continue anyway.",
                bad_hex, good_hex, mb_hex, bad_hex);
        free(good_hex);
 }
@@ -986,6 +986,12 @@ int bisect_next_all(const char *prefix)
                exit(1);
        }
 
+       if (!all) {
+               fprintf(stderr, "No testable commit found.\n"
+                       "Maybe you started with bad path parameters?\n");
+               exit(4);
+       }
+
        bisect_rev = revs.commits->item->object.sha1;
        memcpy(bisect_rev_hex, sha1_to_hex(bisect_rev), 41);