diff options
Diffstat (limited to 'builtin/bisect--helper.c')
| -rw-r--r-- | builtin/bisect--helper.c | 105 |
1 files changed, 102 insertions, 3 deletions
diff --git a/builtin/bisect--helper.c b/builtin/bisect--helper.c index aa6495dc84..df821be4b2 100644 --- a/builtin/bisect--helper.c +++ b/builtin/bisect--helper.c @@ -12,15 +12,37 @@ 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_start, "BISECT_START") static GIT_PATH_FUNC(git_path_bisect_head, "BISECT_HEAD") +static GIT_PATH_FUNC(git_path_bisect_log, "BISECT_LOG") static const char * const git_bisect_helper_usage[] = { N_("git bisect--helper --next-all [--no-checkout]"), N_("git bisect--helper --write-terms <bad_term> <good_term>"), N_("git bisect--helper --bisect-clean-state"), N_("git bisect--helper --bisect-reset [<commit>]"), + N_("git bisect--helper --bisect-write [--no-log] <state> <revision> <good_term> <bad_term>"), NULL }; +struct bisect_terms { + char *term_good; + char *term_bad; +}; + +static void free_terms(struct bisect_terms *terms) +{ + FREE_AND_NULL(terms->term_good); + FREE_AND_NULL(terms->term_bad); +} + +static void set_terms(struct bisect_terms *terms, const char *bad, + const char *good) +{ + free((void *)terms->term_good); + terms->term_good = xstrdup(good); + free((void *)terms->term_bad); + terms->term_bad = xstrdup(bad); +} + /* * Check whether the string `term` belongs to the set of strings * included in the variable arguments. @@ -148,6 +170,70 @@ static int bisect_reset(const char *commit) return bisect_clean_state(); } +static void log_commit(FILE *fp, char *fmt, const char *state, + struct commit *commit) +{ + struct pretty_print_context pp = {0}; + struct strbuf commit_msg = STRBUF_INIT; + char *label = xstrfmt(fmt, state); + + format_commit_message(commit, "%s", &commit_msg, &pp); + + fprintf(fp, "# %s: [%s] %s\n", label, oid_to_hex(&commit->object.oid), + commit_msg.buf); + + strbuf_release(&commit_msg); + free(label); +} + +static int bisect_write(const char *state, const char *rev, + const struct bisect_terms *terms, int nolog) +{ + struct strbuf tag = STRBUF_INIT; + struct object_id oid; + struct commit *commit; + FILE *fp = NULL; + int retval = 0; + + if (!strcmp(state, terms->term_bad)) { + strbuf_addf(&tag, "refs/bisect/%s", state); + } else if (one_of(state, terms->term_good, "skip", NULL)) { + strbuf_addf(&tag, "refs/bisect/%s-%s", state, rev); + } else { + retval = error(_("Bad bisect_write argument: %s"), state); + goto finish; + } + + if (get_oid(rev, &oid)) { + retval = error(_("couldn't get the oid of the rev '%s'"), rev); + goto finish; + } + + if (update_ref(NULL, tag.buf, &oid, NULL, 0, + UPDATE_REFS_MSG_ON_ERR)) { + retval = -1; + goto finish; + } + + fp = fopen(git_path_bisect_log(), "a"); + if (!fp) { + retval = error_errno(_("couldn't open the file '%s'"), git_path_bisect_log()); + goto finish; + } + + commit = lookup_commit_reference(the_repository, &oid); + log_commit(fp, "%s", state, commit); + + if (!nolog) + fprintf(fp, "git bisect %s %s\n", state, rev); + +finish: + if (fp) + fclose(fp); + strbuf_release(&tag); + return retval; +} + int cmd_bisect__helper(int argc, const char **argv, const char *prefix) { enum { @@ -155,9 +241,10 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) WRITE_TERMS, BISECT_CLEAN_STATE, CHECK_EXPECTED_REVS, - BISECT_RESET + BISECT_RESET, + BISECT_WRITE } cmdmode = 0; - int no_checkout = 0; + int no_checkout = 0, res = 0, nolog = 0; struct option options[] = { OPT_CMDMODE(0, "next-all", &cmdmode, N_("perform 'git bisect next'"), NEXT_ALL), @@ -169,10 +256,15 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) N_("check for expected revs"), CHECK_EXPECTED_REVS), OPT_CMDMODE(0, "bisect-reset", &cmdmode, N_("reset the bisection state"), BISECT_RESET), + OPT_CMDMODE(0, "bisect-write", &cmdmode, + N_("write out the bisection state in BISECT_LOG"), BISECT_WRITE), OPT_BOOL(0, "no-checkout", &no_checkout, N_("update BISECT_HEAD instead of checking out the current commit")), + OPT_BOOL(0, "no-log", &nolog, + N_("no log for BISECT_WRITE ")), OPT_END() }; + struct bisect_terms terms = { .term_good = NULL, .term_bad = NULL }; argc = parse_options(argc, argv, prefix, options, git_bisect_helper_usage, 0); @@ -198,8 +290,15 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) if (argc > 1) return error(_("--bisect-reset requires either no argument or a commit")); return !!bisect_reset(argc ? argv[0] : NULL); + case BISECT_WRITE: + if (argc != 4 && argc != 5) + return error(_("--bisect-write requires either 4 or 5 arguments")); + set_terms(&terms, argv[3], argv[2]); + res = bisect_write(argv[0], argv[1], &terms, nolog); + break; default: return error("BUG: unknown subcommand '%d'", cmdmode); } - return 0; + free_terms(&terms); + return !!res; } |