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bisect--helper: use BISECT_TERMS in 'bisect skip' command

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Commit e4c7b33747 ("bisect--helper: reimplement `bisect_skip` shell
function in C", 2021-02-03), as part of the shell-to-C conversion,
forgot to read the 'terms' file (.git/BISECT_TERMS) during the new
'bisect skip' command implementation. As a result, the 'bisect skip'
command will use the default 'bad'/'good' terms. If the bisection
terms have been set to non-default values (for example by the
'bisect start' command), then the 'bisect skip' command will fail.

In order to correct this problem, we insert a call to the get_terms()
function, which reads the non-default terms from that file (if set),
in the '--bisect-skip' command implementation of 'bisect--helper'.

Also, add a test[1] to protect against potential future regression.

[1] https://lore.kernel.org/git/xmqqim45h585.fsf@gitster.g/T/#m207791568054b0f8cf1a3942878ea36293273c7d

Reported-by: Trygve Aaberge <trygveaa@gmail.com>
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ramsay Jones 2021-04-29 21:15:15 +01:00 committed by Junio C Hamano
parent 311531c9de
commit 4cd66e7d6b
2 changed files with 12 additions and 0 deletions
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1
builtin/bisect--helper.c
View file

@ -1126,6 +1126,7 @@ int cmd_bisect__helper(int argc, const char **argv, const char *prefix)
break;
case BISECT_SKIP:
set_terms(&terms, "bad", "good");
get_terms(&terms);
res = bisect_skip(&terms, argv, argc);
break;
default:

11
t/t6030-bisect-porcelain.sh
View file

@ -922,6 +922,17 @@ test_expect_success 'bisect start takes options and revs in any order' '
test_cmp expected actual
'
# Bisect is started with --term-new and --term-old arguments,
# then skip. The HEAD should be changed.
test_expect_success 'bisect skip works with --term*' '
git bisect reset &&
git bisect start --term-new=fixed --term-old=unfixed HEAD $HASH1 &&
hash_skipped_from=$(git rev-parse --verify HEAD) &&
git bisect skip &&
hash_skipped_to=$(git rev-parse --verify HEAD) &&
test "$hash_skipped_from" != "$hash_skipped_to"
'
test_expect_success 'git bisect reset cleans bisection state properly' '
git bisect reset &&
git bisect start &&