diff options
Diffstat (limited to 'bisect.c')
-rw-r--r-- | bisect.c | 116 |
1 files changed, 77 insertions, 39 deletions
@@ -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) @@ -226,10 +226,13 @@ 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) + if (p) { + free_commit_list(p->next); p->next = NULL; + } strbuf_release(&buf); free(array); return list; @@ -360,28 +363,29 @@ 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 +401,16 @@ 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, @@ -433,7 +441,12 @@ static int read_bisect_refs(void) static GIT_PATH_FUNC(git_path_bisect_names, "BISECT_NAMES") static GIT_PATH_FUNC(git_path_bisect_expected_rev, "BISECT_EXPECTED_REV") +static GIT_PATH_FUNC(git_path_bisect_ancestors_ok, "BISECT_ANCESTORS_OK") +static GIT_PATH_FUNC(git_path_bisect_run, "BISECT_RUN") +static GIT_PATH_FUNC(git_path_bisect_start, "BISECT_START") +static GIT_PATH_FUNC(git_path_bisect_log, "BISECT_LOG") static GIT_PATH_FUNC(git_path_bisect_terms, "BISECT_TERMS") +static GIT_PATH_FUNC(git_path_head_name, "head-name") static void read_bisect_paths(struct argv_array *array) { @@ -685,11 +698,12 @@ 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, 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); + update_ref(NULL, "BISECT_EXPECTED_REV", bisect_rev, NULL, 0, UPDATE_REFS_DIE_ON_ERR); argv_checkout[2] = bisect_rev_hex; if (no_checkout) { - update_ref(NULL, "BISECT_HEAD", bisect_rev->hash, NULL, 0, UPDATE_REFS_DIE_ON_ERR); + update_ref(NULL, "BISECT_HEAD", bisect_rev, NULL, 0, + UPDATE_REFS_DIE_ON_ERR); } else { int res; res = run_command_v_opt(argv_checkout, RUN_GIT_CMD); @@ -778,11 +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); @@ -800,34 +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; } @@ -844,7 +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); @@ -858,8 +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); @@ -954,8 +956,7 @@ 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) { @@ -1044,3 +1045,40 @@ int estimate_bisect_steps(int all) return (e < 3 * x) ? n : n - 1; } + +static int mark_for_removal(const char *refname, const struct object_id *oid, + int flag, void *cb_data) +{ + struct string_list *refs = cb_data; + char *ref = xstrfmt("refs/bisect%s", refname); + string_list_append(refs, ref); + return 0; +} + +int bisect_clean_state(void) +{ + int result = 0; + + /* There may be some refs packed during bisection */ + struct string_list refs_for_removal = STRING_LIST_INIT_NODUP; + for_each_ref_in("refs/bisect", mark_for_removal, (void *) &refs_for_removal); + string_list_append(&refs_for_removal, xstrdup("BISECT_HEAD")); + result = delete_refs("bisect: remove", &refs_for_removal, REF_NO_DEREF); + refs_for_removal.strdup_strings = 1; + string_list_clear(&refs_for_removal, 0); + unlink_or_warn(git_path_bisect_expected_rev()); + unlink_or_warn(git_path_bisect_ancestors_ok()); + unlink_or_warn(git_path_bisect_log()); + unlink_or_warn(git_path_bisect_names()); + unlink_or_warn(git_path_bisect_run()); + unlink_or_warn(git_path_bisect_terms()); + /* Cleanup head-name if it got left by an old version of git-bisect */ + unlink_or_warn(git_path_head_name()); + /* + * Cleanup BISECT_START last to support the --no-checkout option + * introduced in the commit 4796e823a. + */ + unlink_or_warn(git_path_bisect_start()); + + return result; +} |