diff options
| -rw-r--r-- | bisect.c | 29 | ||||
| -rw-r--r-- | bisect.h | 10 |
2 files changed, 27 insertions, 12 deletions
@@ -976,10 +976,10 @@ void read_bisect_terms(const char **read_bad, const char **read_good) } /* - * We use the convention that exiting with an exit code 10 means that + * We use the convention that return BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND (-10) means * the bisection process finished successfully. - * In this case the calling shell script should exit 0. - * + * In this case the calling function or command should not turn a + * BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND return code into an error or a non zero exit code. * If no_checkout is non-zero, the bisection process does not * checkout the trial commit but instead simply updates BISECT_HEAD. */ @@ -1010,23 +1010,25 @@ enum bisect_error bisect_next_all(struct repository *r, const char *prefix, int if (!revs.commits) { /* - * We should exit here only if the "bad" + * We should return error here only if the "bad" * commit is also a "skip" commit. */ res = error_if_skipped_commits(tried, NULL); if (res < 0) - exit(-res); + return res; printf(_("%s was both %s and %s\n"), oid_to_hex(current_bad_oid), term_good, term_bad); - exit(1); + + return BISECT_FAILED; } if (!all) { fprintf(stderr, _("No testable commit found.\n" "Maybe you started with bad path parameters?\n")); - exit(4); + + return BISECT_NO_TESTABLE_COMMIT; } bisect_rev = &revs.commits->item->object.oid; @@ -1034,12 +1036,19 @@ enum bisect_error bisect_next_all(struct repository *r, const char *prefix, int if (oideq(bisect_rev, current_bad_oid)) { res = error_if_skipped_commits(tried, current_bad_oid); if (res) - exit(-res); + return res; printf("%s is the first %s commit\n", oid_to_hex(bisect_rev), term_bad); + show_diff_tree(r, prefix, revs.commits->item); - /* This means the bisection process succeeded. */ - exit(10); + /* + * This means the bisection process succeeded. + * Using BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND (-10) + * so that the call chain can simply check + * for negative return values for early returns up + * until the cmd_bisect__helper() caller. + */ + return BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND; } nr = all - reaches - 1; @@ -39,16 +39,22 @@ struct rev_list_info { * BISECT_FAILED error code: default error code. * BISECT_ONLY_SKIPPED_LEFT error code: only skipped * commits left to be tested. + * BISECT_MERGE_BASE_CHECK error code: merge base check failed. + * BISECT_NO_TESTABLE_COMMIT error code: no testable commit found. + * BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND early success code: + * first term_bad commit found. * BISECT_INTERNAL_SUCCESS_MERGE_BASE early success * code: found merge base that should be tested. - * Early success code BISECT_INTERNAL_SUCCESS_MERGE_BASE - * should be only an internal code. + * Early success codes BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND and + * BISECT_INTERNAL_SUCCESS_MERGE_BASE should be only internal codes. */ enum bisect_error { BISECT_OK = 0, BISECT_FAILED = -1, BISECT_ONLY_SKIPPED_LEFT = -2, BISECT_MERGE_BASE_CHECK = -3, + BISECT_NO_TESTABLE_COMMIT = -4, + BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND = -10, BISECT_INTERNAL_SUCCESS_MERGE_BASE = -11 }; |