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bisect: remove Cogito-related code

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Once upon a time, there was this idea that Git would not actually be a
single coherent program, but rather a set of low-level programs that
users cobble together via shell scripts, or develop high-level user
interfaces for Git, or both.

Cogito was such a high-level user interface, incidentally implemented
via shell scripts that cobble together Git calls.

It did turn out relatively quickly that Git would much rather provide a
useful high-level user interface itself.

As of April 19th, 2007, Cogito was therefore discontinued (see
https://lore.kernel.org/git/20070419124648.GL4489@pasky.or.cz/).

Nevertheless, for almost 15 years after that announcement, Git carried
special code in `git bisect` to accommodate Cogito.

Since it is beyond doubt that there are no more Cogito users, let's
remove the last remnant of Cogito-accommodating code.

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 16:19:13 +01:00 committed by Junio C Hamano
parent 4de06fbd56
commit 70d3dbfea9
1 changed files with 0 additions and 8 deletions
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8
builtin/bisect.c
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@ -15,7 +15,6 @@ static GIT_PATH_FUNC(git_path_bisect_expected_rev, "BISECT_EXPECTED_REV")
static GIT_PATH_FUNC(git_path_bisect_ancestors_ok, "BISECT_ANCESTORS_OK")
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_head_name, "head-name")
static GIT_PATH_FUNC(git_path_bisect_names, "BISECT_NAMES")
static GIT_PATH_FUNC(git_path_bisect_first_parent, "BISECT_FIRST_PARENT")
static GIT_PATH_FUNC(git_path_bisect_run, "BISECT_RUN")
@ -808,13 +807,6 @@ static enum bisect_error bisect_start(struct bisect_terms *terms, int argc,
strbuf_addstr(&start_head, oid_to_hex(&head_oid));
} else if (!get_oid(head, &head_oid) &&
skip_prefix(head, "refs/heads/", &head)) {
/*
* This error message should only be triggered by
* cogito usage, and cogito users should understand
* it relates to cg-seek.
*/
if (!is_empty_or_missing_file(git_path_head_name()))
return error(_("won't bisect on cg-seek'ed tree"));
strbuf_addstr(&start_head, head);
} else {
return error(_("bad HEAD - strange symbolic ref"));