add -p: improve error messages

diff --git a/bisect.c b/bisect.c
index 0fca17c02bba89d6c65df95e03e88ef6dd02971e..f6d05bd66f42bd9874a08f5585ae99337d22dad5 100644 (file)
--- a/bisect.c
+++ b/bisect.c
@@ -132,7 +132,7 @@ static void show_list(const char *debug, int counted, int nr,
                unsigned flags = commit->object.flags;
                enum object_type type;
                unsigned long size;
-               char *buf = read_sha1_file(commit->object.sha1, &type, &size);
+               char *buf = read_sha1_file(commit->object.oid.hash, &type, &size);
                const char *subject_start;
                int subject_len;
 
@@ -144,10 +144,10 @@ static void show_list(const char *debug, int counted, int nr,
                        fprintf(stderr, "%3d", weight(p));
                else
                        fprintf(stderr, "---");
-               fprintf(stderr, " %.*s", 8, sha1_to_hex(commit->object.sha1));
+               fprintf(stderr, " %.*s", 8, sha1_to_hex(commit->object.oid.hash));
                for (pp = commit->parents; pp; pp = pp->next)
                        fprintf(stderr, " %.*s", 8,
-                               sha1_to_hex(pp->item->object.sha1));
+                               sha1_to_hex(pp->item->object.oid.hash));
 
                subject_len = find_commit_subject(buf, &subject_start);
                if (subject_len)
@@ -229,8 +229,10 @@ static struct commit_list *best_bisection_sorted(struct commit_list *list, int n
                if (i < cnt - 1)
                        p = p->next;
        }
-       free_commit_list(p->next);
-       p->next = NULL;
+       if (p) {
+               free_commit_list(p->next);
+               p->next = NULL;
+       }
        strbuf_release(&buf);
        free(array);
        return list;
@@ -790,11 +792,9 @@ static void handle_skipped_merge_base(const struct object_id *mb)
  * - If one is "skipped", we can't know but we should warn.
  * - If we don't know, we should check it out and ask the user to test.
  */
-static void check_merge_bases(int no_checkout)
+static void check_merge_bases(int rev_nr, struct commit **rev, int no_checkout)
 {
        struct commit_list *result;
-       int rev_nr;
-       struct commit **rev = get_bad_and_good_commits(&rev_nr);
 
        result = get_merge_bases_many(rev[0], rev_nr - 1, rev + 1);
 
@@ -812,34 +812,21 @@ static void check_merge_bases(int no_checkout)
                }
        }
 
-       free(rev);
        free_commit_list(result);
 }
 
-static int check_ancestors(const char *prefix)
+static int check_ancestors(int rev_nr, struct commit **rev, const char *prefix)
 {
        struct rev_info revs;
-       struct object_array pending_copy;
        int res;
 
        bisect_rev_setup(&revs, prefix, "^%s", "%s", 0);
 
-       /* Save pending objects, so they can be cleaned up later. */
-       pending_copy = revs.pending;
-       revs.leak_pending = 1;
-
-       /*
-        * bisect_common calls prepare_revision_walk right away, which
-        * (together with .leak_pending = 1) makes us the sole owner of
-        * the list of pending objects.
-        */
        bisect_common(&revs);
        res = (revs.commits != NULL);
 
        /* Clean up objects used, as they will be reused. */
-       clear_commit_marks_for_object_array(&pending_copy, ALL_REV_FLAGS);
-
-       object_array_clear(&pending_copy);
+       clear_commit_marks_many(rev_nr, rev, ALL_REV_FLAGS);
 
        return res;
 }
@@ -856,7 +843,8 @@ static void check_good_are_ancestors_of_bad(const char *prefix, int no_checkout)
 {
        char *filename = git_pathdup("BISECT_ANCESTORS_OK");
        struct stat st;
-       int fd;
+       int fd, rev_nr;
+       struct commit **rev;
 
        if (!current_bad_oid)
                die(_("a %s revision is needed"), term_bad);
@@ -870,8 +858,10 @@ static void check_good_are_ancestors_of_bad(const char *prefix, int no_checkout)
                goto done;
 
        /* Check if all good revs are ancestor of the bad rev. */
-       if (check_ancestors(prefix))
-               check_merge_bases(no_checkout);
+       rev = get_bad_and_good_commits(&rev_nr);
+       if (check_ancestors(rev_nr, rev, prefix))
+               check_merge_bases(rev_nr, rev, no_checkout);
+       free(rev);
 
        /* Create file BISECT_ANCESTORS_OK. */
        fd = open(filename, O_CREAT | O_TRUNC | O_WRONLY, 0600);