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cmd_bisect__helper: defer parsing no-checkout flag

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cmd_bisect__helper() is intended as a temporary shim layer serving as an
interface for git-bisect.sh. This function and git-bisect.sh should
eventually be replaced by a C implementation, cmd_bisect(), serving as
an entrypoint for all "git bisect ..." shell commands: cmd_bisect() will
only parse the first token following "git bisect", and dispatch the
remaining args to the appropriate function ["bisect_start()",
"bisect_next()", etc.].

Thus, cmd_bisect__helper() should not be responsible for parsing flags
like --no-checkout. Instead, let the --no-checkout flag remain in the
argv array, so it may be evaluated alongside the other options already
parsed by bisect_start().

Signed-off-by: Aaron Lipman <alipman88@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Aaron Lipman 2020-08-07 17:58:36 -04:00 committed by Junio C Hamano
parent 0fe305a5d3
commit be5fe2000d
4 changed files with 10 additions and 13 deletions
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3
bisect.c
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@ -989,7 +989,7 @@ void read_bisect_terms(const char **read_bad, const char **read_good)
* If no_checkout is non-zero, the bisection process does not * If no_checkout is non-zero, the bisection process does not
* checkout the trial commit but instead simply updates BISECT_HEAD. * checkout the trial commit but instead simply updates BISECT_HEAD.
*/ */
enum bisect_error bisect_next_all(struct repository *r, const char *prefix, int no_checkout) enum bisect_error bisect_next_all(struct repository *r, const char *prefix)
{ {
struct rev_info revs; struct rev_info revs;
struct commit_list *tried; struct commit_list *tried;
@ -997,6 +997,7 @@ enum bisect_error bisect_next_all(struct repository *r, const char *prefix, int
enum bisect_error res = BISECT_OK; enum bisect_error res = BISECT_OK;
struct object_id *bisect_rev; struct object_id *bisect_rev;
char *steps_msg; char *steps_msg;
int no_checkout = ref_exists("BISECT_HEAD");
int first_parent_only = 0; /* TODO: pass --first-parent flag from git bisect start */ int first_parent_only = 0; /* TODO: pass --first-parent flag from git bisect start */
read_bisect_terms(&term_bad, &term_good); read_bisect_terms(&term_bad, &term_good);

4
bisect.h
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@ -58,9 +58,7 @@ enum bisect_error {
BISECT_INTERNAL_SUCCESS_MERGE_BASE = -11 BISECT_INTERNAL_SUCCESS_MERGE_BASE = -11
}; };
enum bisect_error bisect_next_all(struct repository *r, enum bisect_error bisect_next_all(struct repository *r, const char *prefix);
const char *prefix,
int no_checkout);
int estimate_bisect_steps(int all); int estimate_bisect_steps(int all);

14
builtin/bisect--helper.c
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@ -19,7 +19,7 @@ static GIT_PATH_FUNC(git_path_head_name, "head-name")
static GIT_PATH_FUNC(git_path_bisect_names, "BISECT_NAMES") static GIT_PATH_FUNC(git_path_bisect_names, "BISECT_NAMES")
static const char * const git_bisect_helper_usage[] = { static const char * const git_bisect_helper_usage[] = {
N_("git bisect--helper --next-all [--no-checkout]"), N_("git bisect--helper --next-all"),
N_("git bisect--helper --write-terms <bad_term> <good_term>"), N_("git bisect--helper --write-terms <bad_term> <good_term>"),
N_("git bisect--helper --bisect-clean-state"), N_("git bisect--helper --bisect-clean-state"),
N_("git bisect--helper --bisect-reset [<commit>]"), N_("git bisect--helper --bisect-reset [<commit>]"),
@ -421,9 +421,9 @@ finish:
return res; return res;
} }
static int bisect_start(struct bisect_terms *terms, int no_checkout, static int bisect_start(struct bisect_terms *terms, const char **argv, int argc)
const char **argv, int argc)
{ {
int no_checkout = 0;
int i, has_double_dash = 0, must_write_terms = 0, bad_seen = 0; int i, has_double_dash = 0, must_write_terms = 0, bad_seen = 0;
int flags, pathspec_pos, res = 0; int flags, pathspec_pos, res = 0;
struct string_list revs = STRING_LIST_INIT_DUP; struct string_list revs = STRING_LIST_INIT_DUP;
@ -632,7 +632,7 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
BISECT_TERMS, BISECT_TERMS,
BISECT_START BISECT_START
} cmdmode = 0; } cmdmode = 0;
int no_checkout = 0, res = 0, nolog = 0; int res = 0, nolog = 0;
struct option options[] = { struct option options[] = {
OPT_CMDMODE(0, "next-all", &cmdmode, OPT_CMDMODE(0, "next-all", &cmdmode,
N_("perform 'git bisect next'"), NEXT_ALL), N_("perform 'git bisect next'"), NEXT_ALL),
@ -654,8 +654,6 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
N_("print out the bisect terms"), BISECT_TERMS), N_("print out the bisect terms"), BISECT_TERMS),
OPT_CMDMODE(0, "bisect-start", &cmdmode, OPT_CMDMODE(0, "bisect-start", &cmdmode,
N_("start the bisect session"), BISECT_START), N_("start the bisect session"), BISECT_START),
OPT_BOOL(0, "no-checkout", &no_checkout,
N_("update BISECT_HEAD instead of checking out the current commit")),
OPT_BOOL(0, "no-log", &nolog, OPT_BOOL(0, "no-log", &nolog,
N_("no log for BISECT_WRITE")), N_("no log for BISECT_WRITE")),
OPT_END() OPT_END()
@ -671,7 +669,7 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
switch (cmdmode) { switch (cmdmode) {
case NEXT_ALL: case NEXT_ALL:
res = bisect_next_all(the_repository, prefix, no_checkout); res = bisect_next_all(the_repository, prefix);
break; break;
case WRITE_TERMS: case WRITE_TERMS:
if (argc != 2) if (argc != 2)
@ -713,7 +711,7 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
break; break;
case BISECT_START: case BISECT_START:
set_terms(&terms, "bad", "good"); set_terms(&terms, "bad", "good");
res = bisect_start(&terms, no_checkout, argv, argc); res = bisect_start(&terms, argv, argc);
break; break;
default: default:
return error("BUG: unknown subcommand '%d'", cmdmode); return error("BUG: unknown subcommand '%d'", cmdmode);

2
git-bisect.sh
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@ -153,7 +153,7 @@ bisect_next() {
git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD $TERM_GOOD|| exit git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD $TERM_GOOD|| exit
# Perform all bisection computation, display and checkout # Perform all bisection computation, display and checkout
git bisect--helper --next-all $(test -f "$GIT_DIR/BISECT_HEAD" && echo --no-checkout) git bisect--helper --next-all
res=$? res=$?
# Check if we should exit because bisection is finished # Check if we should exit because bisection is finished