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sparse-checkout: disable sparse-index

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We use 'git sparse-checkout init --cone --sparse-index' to toggle the
sparse-index feature. It makes sense to also disable it when running
'git sparse-checkout disable'. This is particularly important because it
removes the extensions.sparseIndex config option, allowing other tools
to use this Git repository again.

This does mean that 'git sparse-checkout init' will not re-enable the
sparse-index feature, even if it was previously enabled.

While testing this feature, I noticed that the sparse-index was not
being written on the first run, but by a second. This was caught by the
call to 'test-tool read-cache --table'. This requires adjusting some
assignments to core_apply_sparse_checkout and pl.use_cone_patterns in
the sparse_checkout_init() logic.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee 2021-03-30 13:11:01 +00:00 committed by Junio C Hamano
parent 122ba1f7b5
commit dcc5fd5fd2
2 changed files with 22 additions and 1 deletions
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10
builtin/sparse-checkout.c
View file

@ -280,6 +280,9 @@ static int set_config(enum sparse_checkout_mode mode)
"core.sparseCheckoutCone",
mode == MODE_CONE_PATTERNS ? "true" : NULL);
if (mode == MODE_NO_PATTERNS)
set_sparse_index_config(the_repository, 0);
return 0;
}
@ -341,10 +344,11 @@ static int sparse_checkout_init(int argc, const char **argv)
the_repository->index->updated_workdir = 1;
}
core_apply_sparse_checkout = 1;
/* If we already have a sparse-checkout file, use it. */
if (res >= 0) {
free(sparse_filename);
core_apply_sparse_checkout = 1;
return update_working_directory(NULL);
}
@ -366,6 +370,7 @@ static int sparse_checkout_init(int argc, const char **argv)
add_pattern(strbuf_detach(&pattern, NULL), empty_base, 0, &pl, 0);
strbuf_addstr(&pattern, "!/*/");
add_pattern(strbuf_detach(&pattern, NULL), empty_base, 0, &pl, 0);
pl.use_cone_patterns = init_opts.cone_mode;
return write_patterns_and_update(&pl);
}
@ -632,6 +637,9 @@ static int sparse_checkout_disable(int argc, const char **argv)
strbuf_addstr(&match_all, "/*");
add_pattern(strbuf_detach(&match_all, NULL), empty_base, 0, &pl, 0);
prepare_repo_settings(the_repository);
the_repository->settings.sparse_index = 0;
if (update_working_directory(&pl))
die(_("error while refreshing working directory"));

13
t/t1091-sparse-checkout-builtin.sh
View file

@ -205,6 +205,19 @@ test_expect_success 'sparse-checkout disable' '
check_files repo a deep folder1 folder2
'
test_expect_success 'sparse-index enabled and disabled' '
git -C repo sparse-checkout init --cone --sparse-index &&
test_cmp_config -C repo true index.sparse &&
test-tool -C repo read-cache --table >cache &&
grep " tree " cache &&
git -C repo sparse-checkout disable &&
test-tool -C repo read-cache --table >cache &&
! grep " tree " cache &&
git -C repo config --list >config &&
! grep index.sparse config
'
test_expect_success 'cone mode: init and set' '
git -C repo sparse-checkout init --cone &&
git -C repo config --list >config &&