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bisect: no longer try to clean up left-over `.git/head-name` files 

As per the code comment, the `.git/head-name` files were cleaned up for
backwards-compatibility: an old version of `git bisect` could have left
them behind.

Now, just how old would such a version be? As of 0f497e75f0 (Eliminate
confusing "won't bisect on seeked tree" failure, 2008-02-23), `git
bisect` does not write that file anymore. Which corresponds to Git
v1.5.4.4.

Even if the likelihood is non-nil that there might still be users out
there who use such an old version to start a bisection, but then decide
to continue bisecting with a current Git version, it is highly
improbable.

So let's remove that code, at long last.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2023-01-12 16:19:14 +01:00 committed by Junio C Hamano
parent 70d3dbfea9
commit de54b5fec4
2 changed files with 0 additions and 4 deletions
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3
bisect.c
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@ -472,7 +472,6 @@ static GIT_PATH_FUNC(git_path_bisect_start, "BISECT_START")
static GIT_PATH_FUNC(git_path_bisect_log, "BISECT_LOG")
static GIT_PATH_FUNC(git_path_bisect_terms, "BISECT_TERMS")
static GIT_PATH_FUNC(git_path_bisect_first_parent, "BISECT_FIRST_PARENT")
static GIT_PATH_FUNC(git_path_head_name, "head-name")
static void read_bisect_paths(struct strvec *array)
{
@ -1188,8 +1187,6 @@ int bisect_clean_state(void)
unlink_or_warn(git_path_bisect_run());
unlink_or_warn(git_path_bisect_terms());
unlink_or_warn(git_path_bisect_first_parent());
/* Cleanup head-name if it got left by an old version of git-bisect */
unlink_or_warn(git_path_head_name());
/*
* Cleanup BISECT_START last to support the --no-checkout option
* introduced in the commit 4796e823a.

1
t/t6030-bisect-porcelain.sh
View File

@ -1158,7 +1158,6 @@ test_expect_success 'git bisect reset cleans bisection state properly' '
test_path_is_missing ".git/BISECT_LOG" &&
test_path_is_missing ".git/BISECT_RUN" &&
test_path_is_missing ".git/BISECT_TERMS" &&
test_path_is_missing ".git/head-name" &&
test_path_is_missing ".git/BISECT_HEAD" &&
test_path_is_missing ".git/BISECT_START"
'