revision: remove the unused flag leak_pending
[gitweb.git] / bisect.c
index a9fd9fbc61a661ab19e18713b115f868daab2f98..4e78495bc2a634822330c2d1cbd2a30112c71d79 100644 (file)
--- a/bisect.c
+++ b/bisect.c
@@ -226,10 +226,11 @@ static struct commit_list *best_bisection_sorted(struct commit_list *list, int n
                add_name_decoration(DECORATION_NONE, buf.buf, obj);
 
                p->item = array[i].commit;
-               p = p->next;
+               if (i < cnt - 1)
+                       p = p->next;
        }
-       if (p)
-               p->next = NULL;
+       free_commit_list(p->next);
+       p->next = NULL;
        strbuf_release(&buf);
        free(array);
        return list;
@@ -360,28 +361,29 @@ static struct commit_list *do_find_bisection(struct commit_list *list,
                return best_bisection_sorted(list, nr);
 }
 
-struct commit_list *find_bisection(struct commit_list *list,
-                                         int *reaches, int *all,
-                                         int find_all)
+void find_bisection(struct commit_list **commit_list, int *reaches,
+                   int *all, int find_all)
 {
        int nr, on_list;
-       struct commit_list *p, *best, *next, *last;
+       struct commit_list *list, *p, *best, *next, *last;
        int *weights;
 
-       show_list("bisection 2 entry", 0, 0, list);
+       show_list("bisection 2 entry", 0, 0, *commit_list);
 
        /*
         * Count the number of total and tree-changing items on the
         * list, while reversing the list.
         */
-       for (nr = on_list = 0, last = NULL, p = list;
+       for (nr = on_list = 0, last = NULL, p = *commit_list;
             p;
             p = next) {
                unsigned flags = p->item->object.flags;
 
                next = p->next;
-               if (flags & UNINTERESTING)
+               if (flags & UNINTERESTING) {
+                       free(p);
                        continue;
+               }
                p->next = last;
                last = p;
                if (!(flags & TREESAME))
@@ -397,12 +399,16 @@ struct commit_list *find_bisection(struct commit_list *list,
        /* Do the real work of finding bisection commit. */
        best = do_find_bisection(list, nr, weights, find_all);
        if (best) {
-               if (!find_all)
+               if (!find_all) {
+                       list->item = best->item;
+                       free_commit_list(list->next);
+                       best = list;
                        best->next = NULL;
+               }
                *reaches = weight(best);
        }
        free(weights);
-       return best;
+       *commit_list = best;
 }
 
 static int register_ref(const char *refname, const struct object_id *oid,
@@ -680,16 +686,16 @@ static int is_expected_rev(const struct object_id *oid)
        return res;
 }
 
-static int bisect_checkout(const unsigned char *bisect_rev, int no_checkout)
+static int bisect_checkout(const struct object_id *bisect_rev, int no_checkout)
 {
        char bisect_rev_hex[GIT_MAX_HEXSZ + 1];
 
-       memcpy(bisect_rev_hex, sha1_to_hex(bisect_rev), GIT_SHA1_HEXSZ + 1);
-       update_ref(NULL, "BISECT_EXPECTED_REV", bisect_rev, NULL, 0, UPDATE_REFS_DIE_ON_ERR);
+       memcpy(bisect_rev_hex, oid_to_hex(bisect_rev), GIT_SHA1_HEXSZ + 1);
+       update_ref(NULL, "BISECT_EXPECTED_REV", bisect_rev->hash, NULL, 0, UPDATE_REFS_DIE_ON_ERR);
 
        argv_checkout[2] = bisect_rev_hex;
        if (no_checkout) {
-               update_ref(NULL, "BISECT_HEAD", bisect_rev, NULL, 0, UPDATE_REFS_DIE_ON_ERR);
+               update_ref(NULL, "BISECT_HEAD", bisect_rev->hash, NULL, 0, UPDATE_REFS_DIE_ON_ERR);
        } else {
                int res;
                res = run_command_v_opt(argv_checkout, RUN_GIT_CMD);
@@ -778,11 +784,9 @@ 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);
 
@@ -796,37 +800,25 @@ static void check_merge_bases(int no_checkout)
                        handle_skipped_merge_base(mb);
                } else {
                        printf(_("Bisecting: a merge base must be tested\n"));
-                       exit(bisect_checkout(mb->hash, no_checkout));
+                       exit(bisect_checkout(mb, 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);
-       free(pending_copy.objects);
+       clear_commit_marks_many(rev_nr, rev, ALL_REV_FLAGS);
 
        return res;
 }
@@ -843,7 +835,8 @@ 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);
@@ -857,8 +850,10 @@ 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);
@@ -939,7 +934,7 @@ int bisect_next_all(const char *prefix, int no_checkout)
        struct rev_info revs;
        struct commit_list *tried;
        int reaches = 0, all = 0, nr, steps;
-       const unsigned char *bisect_rev;
+       struct object_id *bisect_rev;
        char *steps_msg;
 
        read_bisect_terms(&term_bad, &term_good);
@@ -953,8 +948,7 @@ int bisect_next_all(const char *prefix, int no_checkout)
 
        bisect_common(&revs);
 
-       revs.commits = find_bisection(revs.commits, &reaches, &all,
-                                      !!skipped_revs.nr);
+       find_bisection(&revs.commits, &reaches, &all, !!skipped_revs.nr);
        revs.commits = managed_skipped(revs.commits, &tried);
 
        if (!revs.commits) {
@@ -977,11 +971,11 @@ int bisect_next_all(const char *prefix, int no_checkout)
                exit(4);
        }
 
-       bisect_rev = revs.commits->item->object.oid.hash;
+       bisect_rev = &revs.commits->item->object.oid;
 
-       if (!hashcmp(bisect_rev, current_bad_oid->hash)) {
+       if (!oidcmp(bisect_rev, current_bad_oid)) {
                exit_if_skipped_commits(tried, current_bad_oid);
-               printf("%s is the first %s commit\n", sha1_to_hex(bisect_rev),
+               printf("%s is the first %s commit\n", oid_to_hex(bisect_rev),
                        term_bad);
                show_diff_tree(prefix, revs.commits->item);
                /* This means the bisection process succeeded. */