diff options
Diffstat (limited to 'bisect.c')
| -rw-r--r-- | bisect.c | 89 |
1 files changed, 26 insertions, 63 deletions
@@ -9,13 +9,7 @@ #include "run-command.h" #include "log-tree.h" #include "bisect.h" - -struct sha1_array { - unsigned char (*sha1)[20]; - int sha1_nr; - int sha1_alloc; - int sorted; -}; +#include "sha1-array.h" static struct sha1_array good_revs; static struct sha1_array skipped_revs; @@ -141,7 +135,8 @@ static void show_list(const char *debug, int counted, int nr, enum object_type type; unsigned long size; char *buf = read_sha1_file(commit->object.sha1, &type, &size); - char *ep, *sp; + const char *subject_start; + int subject_len; fprintf(stderr, "%c%c%c ", (flags & TREESAME) ? ' ' : 'T', @@ -156,13 +151,9 @@ static void show_list(const char *debug, int counted, int nr, fprintf(stderr, " %.*s", 8, sha1_to_hex(pp->item->object.sha1)); - sp = strstr(buf, "\n\n"); - if (sp) { - sp += 2; - for (ep = sp; *ep && *ep != '\n'; ep++) - ; - fprintf(stderr, " %.*s", (int)(ep - sp), sp); - } + subject_len = find_commit_subject(buf, &subject_start); + if (subject_len) + fprintf(stderr, " %.*s", subject_len, subject_start); fprintf(stderr, "\n"); } } @@ -428,22 +419,15 @@ static void argv_array_push_sha1(struct argv_array *array, argv_array_push(array, strbuf_detach(&buf, NULL)); } -static void sha1_array_push(struct sha1_array *array, - const unsigned char *sha1) -{ - ALLOC_GROW(array->sha1, array->sha1_nr + 1, array->sha1_alloc); - hashcpy(array->sha1[array->sha1_nr++], sha1); -} - static int register_ref(const char *refname, const unsigned char *sha1, int flags, void *cb_data) { if (!strcmp(refname, "bad")) { current_bad_sha1 = sha1; } else if (!prefixcmp(refname, "good-")) { - sha1_array_push(&good_revs, sha1); + sha1_array_append(&good_revs, sha1); } else if (!prefixcmp(refname, "skip-")) { - sha1_array_push(&skipped_revs, sha1); + sha1_array_append(&skipped_revs, sha1); } return 0; @@ -480,41 +464,14 @@ static void read_bisect_paths(struct argv_array *array) fclose(fp); } -static int array_cmp(const void *a, const void *b) -{ - return hashcmp(a, b); -} - -static void sort_sha1_array(struct sha1_array *array) -{ - qsort(array->sha1, array->sha1_nr, sizeof(*array->sha1), array_cmp); - - array->sorted = 1; -} - -static const unsigned char *sha1_access(size_t index, void *table) -{ - unsigned char (*array)[20] = table; - return array[index]; -} - -static int lookup_sha1_array(struct sha1_array *array, - const unsigned char *sha1) -{ - if (!array->sorted) - sort_sha1_array(array); - - return sha1_pos(sha1, array->sha1, array->sha1_nr, sha1_access); -} - static char *join_sha1_array_hex(struct sha1_array *array, char delim) { struct strbuf joined_hexs = STRBUF_INIT; int i; - for (i = 0; i < array->sha1_nr; i++) { + for (i = 0; i < array->nr; i++) { strbuf_addstr(&joined_hexs, sha1_to_hex(array->sha1[i])); - if (i + 1 < array->sha1_nr) + if (i + 1 < array->nr) strbuf_addch(&joined_hexs, delim); } @@ -549,13 +506,13 @@ struct commit_list *filter_skipped(struct commit_list *list, if (count) *count = 0; - if (!skipped_revs.sha1_nr) + if (!skipped_revs.nr) return list; while (list) { struct commit_list *next = list->next; list->next = NULL; - if (0 <= lookup_sha1_array(&skipped_revs, + if (0 <= sha1_array_lookup(&skipped_revs, list->item->object.sha1)) { if (skipped_first && !*skipped_first) *skipped_first = 1; @@ -650,7 +607,7 @@ static struct commit_list *managed_skipped(struct commit_list *list, *tried = NULL; - if (!skipped_revs.sha1_nr) + if (!skipped_revs.nr) return list; list = filter_skipped(list, tried, 0, &count, &skipped_first); @@ -675,7 +632,7 @@ static void bisect_rev_setup(struct rev_info *revs, const char *prefix, /* rev_argv.argv[0] will be ignored by setup_revisions */ argv_array_push(&rev_argv, xstrdup("bisect_rev_setup")); argv_array_push_sha1(&rev_argv, current_bad_sha1, bad_format); - for (i = 0; i < good_revs.sha1_nr; i++) + for (i = 0; i < good_revs.nr; i++) argv_array_push_sha1(&rev_argv, good_revs.sha1[i], good_format); argv_array_push(&rev_argv, xstrdup("--")); @@ -775,12 +732,12 @@ static struct commit *get_commit_reference(const unsigned char *sha1) static struct commit **get_bad_and_good_commits(int *rev_nr) { - int len = 1 + good_revs.sha1_nr; + int len = 1 + good_revs.nr; struct commit **rev = xmalloc(len * sizeof(*rev)); int i, n = 0; rev[n++] = get_commit_reference(current_bad_sha1); - for (i = 0; i < good_revs.sha1_nr; i++) + for (i = 0; i < good_revs.nr; i++) rev[n++] = get_commit_reference(good_revs.sha1[i]); *rev_nr = n; @@ -843,9 +800,9 @@ static void check_merge_bases(void) const unsigned char *mb = result->item->object.sha1; if (!hashcmp(mb, current_bad_sha1)) { handle_bad_merge_base(); - } else if (0 <= lookup_sha1_array(&good_revs, mb)) { + } else if (0 <= sha1_array_lookup(&good_revs, mb)) { continue; - } else if (0 <= lookup_sha1_array(&skipped_revs, mb)) { + } else if (0 <= sha1_array_lookup(&skipped_revs, mb)) { handle_skipped_merge_base(mb); } else { printf("Bisecting: a merge base must be tested\n"); @@ -906,7 +863,7 @@ static void check_good_are_ancestors_of_bad(const char *prefix) return; /* Bisecting with no good rev is ok. */ - if (good_revs.sha1_nr == 0) + if (good_revs.nr == 0) return; /* Check if all good revs are ancestor of the bad rev. */ @@ -971,7 +928,7 @@ int bisect_next_all(const char *prefix) bisect_common(&revs); revs.commits = find_bisection(revs.commits, &reaches, &all, - !!skipped_revs.sha1_nr); + !!skipped_revs.nr); revs.commits = managed_skipped(revs.commits, &tried); if (!revs.commits) { @@ -986,6 +943,12 @@ 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); 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