Message ID | 20200831105043.97665-7-mirucam@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Finish converting git bisect to C part 2 | expand |
Hi Miriam, On Mon, 31 Aug 2020, Miriam Rubio wrote: > From: Pranit Bauva <pranit.bauva@gmail.com> > > Reimplement the `bisect_next()` and the `bisect_auto_next()` shell functions > in C and add the subcommands to `git bisect--helper` to call them from > git-bisect.sh . > > bisect_auto_next() function returns an enum bisect_error type as whole > `git bisect` can exit with an error code when bisect_next() does. > > Using `--bisect-next` and `--bisect-auto-next` subcommands is a > temporary measure to port shell function to C so as to use the existing > test suite. As more functions are ported, `--bisect-auto-next` > subcommand will be retired and will be called by some other methods. > > Mentored-by: Lars Schneider <larsxschneider@gmail.com> > Mentored-by: Christian Couder <chriscool@tuxfamily.org> > Mentored-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> > Signed-off-by: Pranit Bauva <pranit.bauva@gmail.com> > Signed-off-by: Tanushree Tumane <tanushreetumane@gmail.com> > Signed-off-by: Miriam Rubio <mirucam@gmail.com> > --- > bisect.c | 11 ++- > builtin/bisect--helper.c | 180 ++++++++++++++++++++++++++++++++++++++- > git-bisect.sh | 47 +--------- > 3 files changed, 190 insertions(+), 48 deletions(-) > > diff --git a/bisect.c b/bisect.c > index c6aba2b9f2..f5b1368128 100644 > --- a/bisect.c > +++ b/bisect.c > @@ -988,8 +988,11 @@ void read_bisect_terms(const char **read_bad, const char **read_good) > * the bisection process finished successfully. > * 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. > + * > + * Checking BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND > + * in bisect_helper::bisect_next() and only transforming it to 0 at > + * the end of bisect_helper::cmd_bisect__helper() helps bypassing > + * all the code related to finding a commit to test. > */ > enum bisect_error bisect_next_all(struct repository *r, const char *prefix) > { > @@ -999,6 +1002,10 @@ enum bisect_error bisect_next_all(struct repository *r, const char *prefix) > enum bisect_error res = BISECT_OK; > struct object_id *bisect_rev; > char *steps_msg; > + /* > + * If no_checkout is non-zero, the bisection process does not > + * checkout the trial commit but instead simply updates BISECT_HEAD. > + */ > int no_checkout = ref_exists("BISECT_HEAD"); > unsigned bisect_flags = 0; > > diff --git a/builtin/bisect--helper.c b/builtin/bisect--helper.c > index f71e8e54d2..e29e86142a 100644 > --- a/builtin/bisect--helper.c > +++ b/builtin/bisect--helper.c > @@ -8,6 +8,7 @@ > #include "run-command.h" > #include "prompt.h" > #include "quote.h" > +#include "revision.h" > > static GIT_PATH_FUNC(git_path_bisect_terms, "BISECT_TERMS") > static GIT_PATH_FUNC(git_path_bisect_expected_rev, "BISECT_EXPECTED_REV") > @@ -29,10 +30,17 @@ static const char * const git_bisect_helper_usage[] = { > N_("git bisect--helper --bisect-terms [--term-good | --term-old | --term-bad | --term-new]"), > N_("git bisect--helper --bisect-start [--term-{old,good}=<term> --term-{new,bad}=<term>]" > " [--no-checkout] [--first-parent] [<bad> [<good>...]] [--] [<paths>...]"), > + N_("git bisect--helper --bisect-next"), > + N_("git bisect--helper --bisect-auto-next"), > N_("git bisect--helper --bisect-autostart"), > NULL > }; > > +struct add_bisect_ref_data { > + struct rev_info *revs; > + unsigned int object_flags; > +}; > + > struct bisect_terms { > char *term_good; > char *term_bad; > @@ -56,6 +64,8 @@ static void set_terms(struct bisect_terms *terms, const char *bad, > static const char vocab_bad[] = "bad|new"; > static const char vocab_good[] = "good|old"; > > +static int bisect_autostart(struct bisect_terms *terms); > + > /* > * Check whether the string `term` belongs to the set of strings > * included in the variable arguments. > @@ -80,7 +90,7 @@ static int write_in_file(const char *path, const char *mode, const char *format, > FILE *fp = NULL; > int res = 0; > > - if (strcmp(mode, "w")) > + if (strcmp(mode, "w") && strcmp(mode, "a")) > BUG("write-in-file does not support '%s' mode", mode); > fp = fopen(path, mode); > if (!fp) > @@ -109,6 +119,18 @@ static int write_to_file(const char *path, const char *format, ...) > return res; > } > > +static int append_to_file(const char *path, const char *format, ...) > +{ > + int res; > + va_list args; > + > + va_start(args, format); > + res = write_in_file(path, "a", format, args); > + va_end(args); > + > + return res; > +} > + > static int check_term_format(const char *term, const char *orig_term) > { > int res; > @@ -451,6 +473,140 @@ static int bisect_append_log_quoted(const char **argv) > return res; > } > > +static int add_bisect_ref(const char *refname, const struct object_id *oid, > + int flags, void *cb) > +{ > + struct add_bisect_ref_data *data = cb; > + > + add_pending_oid(data->revs, refname, oid, data->object_flags); > + > + return 0; > +} > + > +static int prepare_revs(struct bisect_terms *terms, struct rev_info *revs) > +{ > + int res = 0; > + struct add_bisect_ref_data cb = { revs }; > + char *good = xstrfmt("%s-*", terms->term_good); > + > + /* > + * We cannot use terms->term_bad directly in > + * for_each_glob_ref_in() and we have to append a '*' to it, > + * otherwise for_each_glob_ref_in() will append '/' and '*'. > + */ > + char *bad = xstrfmt("%s*", terms->term_bad); > + > + /* > + * It is important to reset the flags used by revision walks > + * as the previous call to bisect_next_all() in turn > + * sets up a revision walk. > + */ > + reset_revision_walk(); > + init_revisions(revs, NULL); > + setup_revisions(0, NULL, revs, NULL); > + for_each_glob_ref_in(add_bisect_ref, bad, "refs/bisect/", &cb); > + cb.object_flags = UNINTERESTING; > + for_each_glob_ref_in(add_bisect_ref, good, "refs/bisect/", &cb); > + if (prepare_revision_walk(revs)) > + res = error(_("revision walk setup failed\n")); > + > + free(good); > + free(bad); > + return res; > +} > + > +static int bisect_skipped_commits(struct bisect_terms *terms) > +{ > + int res; > + FILE *fp = NULL; > + struct rev_info revs; > + struct commit *commit; > + struct pretty_print_context pp = {0}; > + struct strbuf commit_name = STRBUF_INIT; > + > + res = prepare_revs(terms, &revs); > + if (res) > + return res; > + > + fp = fopen(git_path_bisect_log(), "a"); > + if (!fp) > + return error_errno(_("could not open '%s' for appending"), > + git_path_bisect_log()); > + > + if (fprintf(fp, "# only skipped commits left to test\n") < 0) > + return error_errno(_("failed to write to '%s'"), git_path_bisect_log()); > + > + while ((commit = get_revision(&revs)) != NULL) { > + strbuf_reset(&commit_name); > + format_commit_message(commit, "%s", > + &commit_name, &pp); > + fprintf(fp, "# possible first %s commit: [%s] %s\n", > + terms->term_bad, oid_to_hex(&commit->object.oid), > + commit_name.buf); > + } > + > + /* > + * Reset the flags used by revision walks in case > + * there is another revision walk after this one. > + */ > + reset_revision_walk(); > + > + strbuf_release(&commit_name); > + fclose(fp); > + return 0; > +} > + > +static int bisect_successful(struct bisect_terms *terms) > +{ > + struct object_id oid; > + struct commit *commit; > + struct pretty_print_context pp = {0}; > + struct strbuf commit_name = STRBUF_INIT; > + char *bad_ref = xstrfmt("refs/bisect/%s",terms->term_bad); > + int res; > + > + read_ref(bad_ref, &oid); > + commit = lookup_commit_reference_by_name(bad_ref); > + format_commit_message(commit, "%s", &commit_name, &pp); > + > + res = append_to_file(git_path_bisect_log(), "# first %s commit: [%s] %s\n", > + terms->term_bad, oid_to_hex(&commit->object.oid), > + commit_name.buf); > + > + strbuf_release(&commit_name); > + free(bad_ref); > + return res; > +} > + > +static enum bisect_error bisect_next(struct bisect_terms *terms, const char *prefix) > +{ > + enum bisect_error res; > + > + bisect_autostart(terms); We need to handle a negative value returned by `bisect_autostart()` by aborting, e.g. `return BISECT_FAILED;`. > + if (bisect_next_check(terms, terms->term_good)) > + return BISECT_FAILED; > + > + /* Perform all bisection computation */ > + res = bisect_next_all(the_repository, prefix); > + > + if (res == BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND) { > + res = bisect_successful(terms); > + return res ? res : BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND; > + } else if (res == BISECT_ONLY_SKIPPED_LEFT) { > + res = bisect_skipped_commits(terms); > + return res ? res : BISECT_ONLY_SKIPPED_LEFT; > + } > + return res; > +} > + > +static enum bisect_error bisect_auto_next(struct bisect_terms *terms, const char *prefix) > +{ > + if (bisect_next_check(terms, NULL)) > + return BISECT_OK; > + > + return bisect_next(terms, prefix); This returns an error when `bisect_next()` failed, which is different from what the shell script version did: git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD && bisect_next || : (note the trailing `|| :`, which will always return success). I think this is a bug fix, though, so the change is good. But it probably deserves to be called out in the commit message. > +} > + > static int bisect_start(struct bisect_terms *terms, const char **argv, int argc) > { > int no_checkout = 0; > @@ -699,7 +855,9 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) > BISECT_NEXT_CHECK, > BISECT_TERMS, > BISECT_START, > - BISECT_AUTOSTART, > + BISECT_NEXT, > + BISECT_AUTO_NEXT, > + BISECT_AUTOSTART I am curious: what is the reason not to use a trailing comma, and what is the reason to force AUTOSTART to stay at the end (instead of appending the new modes, which strikes me as more natural)? > } cmdmode = 0; > int res = 0, nolog = 0; > struct option options[] = { > @@ -723,6 +881,10 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) > N_("print out the bisect terms"), BISECT_TERMS), > OPT_CMDMODE(0, "bisect-start", &cmdmode, > N_("start the bisect session"), BISECT_START), > + OPT_CMDMODE(0, "bisect-next", &cmdmode, > + N_("find the next bisection commit"), BISECT_NEXT), > + OPT_CMDMODE(0, "bisect-auto-next", &cmdmode, > + N_("verify the next bisection state then checkout the next bisection commit"), BISECT_AUTO_NEXT), > OPT_CMDMODE(0, "bisect-autostart", &cmdmode, > N_("start the bisection if it has not yet been started"), BISECT_AUTOSTART), > OPT_BOOL(0, "no-log", &nolog, > @@ -784,6 +946,18 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) > set_terms(&terms, "bad", "good"); > res = bisect_start(&terms, argv, argc); > break; > + case BISECT_NEXT: > + if (argc) > + return error(_("--bisect-next requires 0 arguments")); > + get_terms(&terms); > + res = bisect_next(&terms, prefix); > + break; > + case BISECT_AUTO_NEXT: > + if (argc) > + return error(_("--bisect-auto-next requires 0 arguments")); > + get_terms(&terms); > + res = bisect_auto_next(&terms, prefix); > + break; > case BISECT_AUTOSTART: > if (argc) > return error(_("--bisect-autostart does not accept arguments")); > @@ -799,7 +973,7 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) > * Handle early success > * From check_merge_bases > check_good_are_ancestors_of_bad > bisect_next_all > */ > - if (res == BISECT_INTERNAL_SUCCESS_MERGE_BASE) > + if ((res == BISECT_INTERNAL_SUCCESS_MERGE_BASE) || (res == BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND)) > res = BISECT_OK; > > return -res; > diff --git a/git-bisect.sh b/git-bisect.sh > index 9ca583d964..59424f5b37 100755 > --- a/git-bisect.sh > +++ b/git-bisect.sh > @@ -65,8 +65,7 @@ bisect_start() { > # > # Check if we can proceed to the next bisect state. > # > - get_terms > - bisect_auto_next > + git bisect--helper --bisect-auto-next || exit > > trap '-' 0 > } > @@ -119,45 +118,7 @@ bisect_state() { > *) > usage ;; > esac > - bisect_auto_next > -} > - > -bisect_auto_next() { > - git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD && bisect_next || : > -} > - > -bisect_next() { > - case "$#" in 0) ;; *) usage ;; esac > - git bisect--helper --bisect-autostart > - git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD $TERM_GOOD|| exit > - > - # Perform all bisection computation, display and checkout > - git bisect--helper --next-all > - res=$? > - > - # Check if we should exit because bisection is finished > - if test $res -eq 10 > - then > - bad_rev=$(git show-ref --hash --verify refs/bisect/$TERM_BAD) > - bad_commit=$(git show-branch $bad_rev) > - echo "# first $TERM_BAD commit: $bad_commit" >>"$GIT_DIR/BISECT_LOG" > - exit 0 > - elif test $res -eq 2 > - then > - echo "# only skipped commits left to test" >>"$GIT_DIR/BISECT_LOG" > - good_revs=$(git for-each-ref --format="%(objectname)" "refs/bisect/$TERM_GOOD-*") > - for skipped in $(git rev-list refs/bisect/$TERM_BAD --not $good_revs) > - do > - skipped_commit=$(git show-branch $skipped) > - echo "# possible first $TERM_BAD commit: $skipped_commit" >>"$GIT_DIR/BISECT_LOG" > - done > - exit $res > - fi > - > - # Check for an error in the bisection process > - test $res -ne 0 && exit $res > - > - return 0 > + git bisect--helper --bisect-auto-next > } > > bisect_visualize() { > @@ -213,7 +174,7 @@ bisect_replay () { > esac > done <"$file" > IFS="$oIFS" > - bisect_auto_next > + git bisect--helper --bisect-auto-next We probably need to append `|| exit` here. Thank you, Johannes > } > > bisect_run () { > @@ -310,7 +271,7 @@ case "$#" in > bisect_skip "$@" ;; > next) > # Not sure we want "next" at the UI level anymore. > - bisect_next "$@" ;; > + git bisect--helper --bisect-next "$@" || exit ;; > visualize|view) > bisect_visualize "$@" ;; > reset) > -- > 2.25.0 > >
diff --git a/bisect.c b/bisect.c index c6aba2b9f2..f5b1368128 100644 --- a/bisect.c +++ b/bisect.c @@ -988,8 +988,11 @@ void read_bisect_terms(const char **read_bad, const char **read_good) * the bisection process finished successfully. * 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. + * + * Checking BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND + * in bisect_helper::bisect_next() and only transforming it to 0 at + * the end of bisect_helper::cmd_bisect__helper() helps bypassing + * all the code related to finding a commit to test. */ enum bisect_error bisect_next_all(struct repository *r, const char *prefix) { @@ -999,6 +1002,10 @@ enum bisect_error bisect_next_all(struct repository *r, const char *prefix) enum bisect_error res = BISECT_OK; struct object_id *bisect_rev; char *steps_msg; + /* + * If no_checkout is non-zero, the bisection process does not + * checkout the trial commit but instead simply updates BISECT_HEAD. + */ int no_checkout = ref_exists("BISECT_HEAD"); unsigned bisect_flags = 0; diff --git a/builtin/bisect--helper.c b/builtin/bisect--helper.c index f71e8e54d2..e29e86142a 100644 --- a/builtin/bisect--helper.c +++ b/builtin/bisect--helper.c @@ -8,6 +8,7 @@ #include "run-command.h" #include "prompt.h" #include "quote.h" +#include "revision.h" static GIT_PATH_FUNC(git_path_bisect_terms, "BISECT_TERMS") static GIT_PATH_FUNC(git_path_bisect_expected_rev, "BISECT_EXPECTED_REV") @@ -29,10 +30,17 @@ static const char * const git_bisect_helper_usage[] = { N_("git bisect--helper --bisect-terms [--term-good | --term-old | --term-bad | --term-new]"), N_("git bisect--helper --bisect-start [--term-{old,good}=<term> --term-{new,bad}=<term>]" " [--no-checkout] [--first-parent] [<bad> [<good>...]] [--] [<paths>...]"), + N_("git bisect--helper --bisect-next"), + N_("git bisect--helper --bisect-auto-next"), N_("git bisect--helper --bisect-autostart"), NULL }; +struct add_bisect_ref_data { + struct rev_info *revs; + unsigned int object_flags; +}; + struct bisect_terms { char *term_good; char *term_bad; @@ -56,6 +64,8 @@ static void set_terms(struct bisect_terms *terms, const char *bad, static const char vocab_bad[] = "bad|new"; static const char vocab_good[] = "good|old"; +static int bisect_autostart(struct bisect_terms *terms); + /* * Check whether the string `term` belongs to the set of strings * included in the variable arguments. @@ -80,7 +90,7 @@ static int write_in_file(const char *path, const char *mode, const char *format, FILE *fp = NULL; int res = 0; - if (strcmp(mode, "w")) + if (strcmp(mode, "w") && strcmp(mode, "a")) BUG("write-in-file does not support '%s' mode", mode); fp = fopen(path, mode); if (!fp) @@ -109,6 +119,18 @@ static int write_to_file(const char *path, const char *format, ...) return res; } +static int append_to_file(const char *path, const char *format, ...) +{ + int res; + va_list args; + + va_start(args, format); + res = write_in_file(path, "a", format, args); + va_end(args); + + return res; +} + static int check_term_format(const char *term, const char *orig_term) { int res; @@ -451,6 +473,140 @@ static int bisect_append_log_quoted(const char **argv) return res; } +static int add_bisect_ref(const char *refname, const struct object_id *oid, + int flags, void *cb) +{ + struct add_bisect_ref_data *data = cb; + + add_pending_oid(data->revs, refname, oid, data->object_flags); + + return 0; +} + +static int prepare_revs(struct bisect_terms *terms, struct rev_info *revs) +{ + int res = 0; + struct add_bisect_ref_data cb = { revs }; + char *good = xstrfmt("%s-*", terms->term_good); + + /* + * We cannot use terms->term_bad directly in + * for_each_glob_ref_in() and we have to append a '*' to it, + * otherwise for_each_glob_ref_in() will append '/' and '*'. + */ + char *bad = xstrfmt("%s*", terms->term_bad); + + /* + * It is important to reset the flags used by revision walks + * as the previous call to bisect_next_all() in turn + * sets up a revision walk. + */ + reset_revision_walk(); + init_revisions(revs, NULL); + setup_revisions(0, NULL, revs, NULL); + for_each_glob_ref_in(add_bisect_ref, bad, "refs/bisect/", &cb); + cb.object_flags = UNINTERESTING; + for_each_glob_ref_in(add_bisect_ref, good, "refs/bisect/", &cb); + if (prepare_revision_walk(revs)) + res = error(_("revision walk setup failed\n")); + + free(good); + free(bad); + return res; +} + +static int bisect_skipped_commits(struct bisect_terms *terms) +{ + int res; + FILE *fp = NULL; + struct rev_info revs; + struct commit *commit; + struct pretty_print_context pp = {0}; + struct strbuf commit_name = STRBUF_INIT; + + res = prepare_revs(terms, &revs); + if (res) + return res; + + fp = fopen(git_path_bisect_log(), "a"); + if (!fp) + return error_errno(_("could not open '%s' for appending"), + git_path_bisect_log()); + + if (fprintf(fp, "# only skipped commits left to test\n") < 0) + return error_errno(_("failed to write to '%s'"), git_path_bisect_log()); + + while ((commit = get_revision(&revs)) != NULL) { + strbuf_reset(&commit_name); + format_commit_message(commit, "%s", + &commit_name, &pp); + fprintf(fp, "# possible first %s commit: [%s] %s\n", + terms->term_bad, oid_to_hex(&commit->object.oid), + commit_name.buf); + } + + /* + * Reset the flags used by revision walks in case + * there is another revision walk after this one. + */ + reset_revision_walk(); + + strbuf_release(&commit_name); + fclose(fp); + return 0; +} + +static int bisect_successful(struct bisect_terms *terms) +{ + struct object_id oid; + struct commit *commit; + struct pretty_print_context pp = {0}; + struct strbuf commit_name = STRBUF_INIT; + char *bad_ref = xstrfmt("refs/bisect/%s",terms->term_bad); + int res; + + read_ref(bad_ref, &oid); + commit = lookup_commit_reference_by_name(bad_ref); + format_commit_message(commit, "%s", &commit_name, &pp); + + res = append_to_file(git_path_bisect_log(), "# first %s commit: [%s] %s\n", + terms->term_bad, oid_to_hex(&commit->object.oid), + commit_name.buf); + + strbuf_release(&commit_name); + free(bad_ref); + return res; +} + +static enum bisect_error bisect_next(struct bisect_terms *terms, const char *prefix) +{ + enum bisect_error res; + + bisect_autostart(terms); + if (bisect_next_check(terms, terms->term_good)) + return BISECT_FAILED; + + /* Perform all bisection computation */ + res = bisect_next_all(the_repository, prefix); + + if (res == BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND) { + res = bisect_successful(terms); + return res ? res : BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND; + } else if (res == BISECT_ONLY_SKIPPED_LEFT) { + res = bisect_skipped_commits(terms); + return res ? res : BISECT_ONLY_SKIPPED_LEFT; + } + return res; +} + +static enum bisect_error bisect_auto_next(struct bisect_terms *terms, const char *prefix) +{ + if (bisect_next_check(terms, NULL)) + return BISECT_OK; + + return bisect_next(terms, prefix); +} + static int bisect_start(struct bisect_terms *terms, const char **argv, int argc) { int no_checkout = 0; @@ -699,7 +855,9 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) BISECT_NEXT_CHECK, BISECT_TERMS, BISECT_START, - BISECT_AUTOSTART, + BISECT_NEXT, + BISECT_AUTO_NEXT, + BISECT_AUTOSTART } cmdmode = 0; int res = 0, nolog = 0; struct option options[] = { @@ -723,6 +881,10 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) N_("print out the bisect terms"), BISECT_TERMS), OPT_CMDMODE(0, "bisect-start", &cmdmode, N_("start the bisect session"), BISECT_START), + OPT_CMDMODE(0, "bisect-next", &cmdmode, + N_("find the next bisection commit"), BISECT_NEXT), + OPT_CMDMODE(0, "bisect-auto-next", &cmdmode, + N_("verify the next bisection state then checkout the next bisection commit"), BISECT_AUTO_NEXT), OPT_CMDMODE(0, "bisect-autostart", &cmdmode, N_("start the bisection if it has not yet been started"), BISECT_AUTOSTART), OPT_BOOL(0, "no-log", &nolog, @@ -784,6 +946,18 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) set_terms(&terms, "bad", "good"); res = bisect_start(&terms, argv, argc); break; + case BISECT_NEXT: + if (argc) + return error(_("--bisect-next requires 0 arguments")); + get_terms(&terms); + res = bisect_next(&terms, prefix); + break; + case BISECT_AUTO_NEXT: + if (argc) + return error(_("--bisect-auto-next requires 0 arguments")); + get_terms(&terms); + res = bisect_auto_next(&terms, prefix); + break; case BISECT_AUTOSTART: if (argc) return error(_("--bisect-autostart does not accept arguments")); @@ -799,7 +973,7 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix) * Handle early success * From check_merge_bases > check_good_are_ancestors_of_bad > bisect_next_all */ - if (res == BISECT_INTERNAL_SUCCESS_MERGE_BASE) + if ((res == BISECT_INTERNAL_SUCCESS_MERGE_BASE) || (res == BISECT_INTERNAL_SUCCESS_1ST_BAD_FOUND)) res = BISECT_OK; return -res; diff --git a/git-bisect.sh b/git-bisect.sh index 9ca583d964..59424f5b37 100755 --- a/git-bisect.sh +++ b/git-bisect.sh @@ -65,8 +65,7 @@ bisect_start() { # # Check if we can proceed to the next bisect state. # - get_terms - bisect_auto_next + git bisect--helper --bisect-auto-next || exit trap '-' 0 } @@ -119,45 +118,7 @@ bisect_state() { *) usage ;; esac - bisect_auto_next -} - -bisect_auto_next() { - git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD && bisect_next || : -} - -bisect_next() { - case "$#" in 0) ;; *) usage ;; esac - git bisect--helper --bisect-autostart - git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD $TERM_GOOD|| exit - - # Perform all bisection computation, display and checkout - git bisect--helper --next-all - res=$? - - # Check if we should exit because bisection is finished - if test $res -eq 10 - then - bad_rev=$(git show-ref --hash --verify refs/bisect/$TERM_BAD) - bad_commit=$(git show-branch $bad_rev) - echo "# first $TERM_BAD commit: $bad_commit" >>"$GIT_DIR/BISECT_LOG" - exit 0 - elif test $res -eq 2 - then - echo "# only skipped commits left to test" >>"$GIT_DIR/BISECT_LOG" - good_revs=$(git for-each-ref --format="%(objectname)" "refs/bisect/$TERM_GOOD-*") - for skipped in $(git rev-list refs/bisect/$TERM_BAD --not $good_revs) - do - skipped_commit=$(git show-branch $skipped) - echo "# possible first $TERM_BAD commit: $skipped_commit" >>"$GIT_DIR/BISECT_LOG" - done - exit $res - fi - - # Check for an error in the bisection process - test $res -ne 0 && exit $res - - return 0 + git bisect--helper --bisect-auto-next } bisect_visualize() { @@ -213,7 +174,7 @@ bisect_replay () { esac done <"$file" IFS="$oIFS" - bisect_auto_next + git bisect--helper --bisect-auto-next } bisect_run () { @@ -310,7 +271,7 @@ case "$#" in bisect_skip "$@" ;; next) # Not sure we want "next" at the UI level anymore. - bisect_next "$@" ;; + git bisect--helper --bisect-next "$@" || exit ;; visualize|view) bisect_visualize "$@" ;; reset)