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bisect--helper: introduce new decide_next() function

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Let's refactor code from bisect_next_check() into a new
decide_next() helper function.

This removes some goto statements and makes the code simpler,
clearer and easier to understand.

While at it `bad_ref` and `good_glob` are not const any more
to void casting them inside `free()`.

Mentored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Tanushree Tumane <tanushreetumane@gmail.com>
Signed-off-by: Miriam Rubio <mirucam@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Tanushree Tumane 2020-02-17 09:40:31 +01:00 committed by Junio C Hamano
parent b8e3b2f339
commit bfacfce7d9
1 changed files with 34 additions and 32 deletions
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66
builtin/bisect--helper.c
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@ -291,26 +291,14 @@ static const char need_bisect_start_warning[] =
"You then need to give me at least one %s and %s revision.\n"
"You can use \"git bisect %s\" and \"git bisect %s\" for that.");
static int bisect_next_check(const struct bisect_terms *terms,
const char *current_term)
static int decide_next(const struct bisect_terms *terms,
const char *current_term, int missing_good,
int missing_bad)
{
int missing_good = 1, missing_bad = 1, res = 0;
const char *bad_ref = xstrfmt("refs/bisect/%s", terms->term_bad);
const char *good_glob = xstrfmt("%s-*", terms->term_good);
if (ref_exists(bad_ref))
missing_bad = 0;
for_each_glob_ref_in(mark_good, good_glob, "refs/bisect/",
(void *) &missing_good);
if (!missing_good && !missing_bad)
goto finish;
if (!current_term) {
res = -1;
goto finish;
}
return 0;
if (!current_term)
return -1;
if (missing_good && !missing_bad &&
!strcmp(current_term, terms->term_good)) {
@ -321,7 +309,7 @@ static int bisect_next_check(const struct bisect_terms *terms,
*/
warning(_("bisecting only with a %s commit"), terms->term_bad);
if (!isatty(0))
goto finish;
return 0;
/*
* TRANSLATORS: Make sure to include [Y] and [n] in your
* translation. The program will only accept English input
@ -329,21 +317,35 @@ static int bisect_next_check(const struct bisect_terms *terms,
*/
yesno = git_prompt(_("Are you sure [Y/n]? "), PROMPT_ECHO);
if (starts_with(yesno, "N") || starts_with(yesno, "n"))
res = -1;
goto finish;
}
if (!is_empty_or_missing_file(git_path_bisect_start())) {
res = error(_(need_bad_and_good_revision_warning),
vocab_bad, vocab_good, vocab_bad, vocab_good);
} else {
res = error(_(need_bisect_start_warning),
vocab_good, vocab_bad, vocab_good, vocab_bad);
return -1;
return 0;
}
finish:
free((void *) good_glob);
free((void *) bad_ref);
return res;
if (!is_empty_or_missing_file(git_path_bisect_start()))
return error(_(need_bad_and_good_revision_warning),
vocab_bad, vocab_good, vocab_bad, vocab_good);
else
return error(_(need_bisect_start_warning),
vocab_good, vocab_bad, vocab_good, vocab_bad);
}
static int bisect_next_check(const struct bisect_terms *terms,
const char *current_term)
{
int missing_good = 1, missing_bad = 1;
char *bad_ref = xstrfmt("refs/bisect/%s", terms->term_bad);
char *good_glob = xstrfmt("%s-*", terms->term_good);
if (ref_exists(bad_ref))
missing_bad = 0;
for_each_glob_ref_in(mark_good, good_glob, "refs/bisect/",
(void *) &missing_good);
free(good_glob);
free(bad_ref);
return decide_next(terms, current_term, missing_good, missing_bad);
}
static int get_terms(struct bisect_terms *terms)