mirrors/git
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

sparse-checkout: toggle sparse index from builtin

Browse Source 
The sparse index extension is used to signal that index writes should be
in sparse mode. This was only updated using GIT_TEST_SPARSE_INDEX=1.

Add a '--[no-]sparse-index' option to 'git sparse-checkout init' that
specifies if the sparse index should be used. It also updates the index
to use the correct format, either way. Add a warning in the
documentation that the use of a repository extension might reduce
compatibility with third-party tools. 'git sparse-checkout init' already
sets extension.worktreeConfig, which places most sparse-checkout users
outside of the scope of most third-party tools.

Update t1092-sparse-checkout-compatibility.sh to use this CLI instead of
GIT_TEST_SPARSE_INDEX=1.

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 13:11:00 +00:00
committed by Junio C Hamano
parent 58300f4743
commit 122ba1f7b5
5 changed files with 79 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
sparse-index.c
View File

@ -102,21 +102,32 @@ static int convert_to_sparse_rec(struct index_state *istate,
return num_converted - start_converted;
}
static int enable_sparse_index(struct repository *repo)
static int set_index_sparse_config(struct repository *repo, int enable)
{
const char *config_path = repo_git_path(repo, "config.worktree");
git_config_set_in_file_gently(config_path,
"index.sparse",
"true");
int res;
char *config_path = repo_git_path(repo, "config.worktree");
res = git_config_set_in_file_gently(config_path,
"index.sparse",
enable ? "true" : NULL);
free(config_path);
prepare_repo_settings(repo);
repo->settings.sparse_index = 1;
return 0;
return res;
}
int set_sparse_index_config(struct repository *repo, int enable)
{
int res = set_index_sparse_config(repo, enable);
prepare_repo_settings(repo);
repo->settings.sparse_index = enable;
return res;
}
int convert_to_sparse(struct index_state *istate)
{
int test_env;
if (istate->split_index || istate->sparse_index ||
!core_apply_sparse_checkout || !core_sparse_checkout_cone)
return 0;
@ -128,11 +139,9 @@ int convert_to_sparse(struct index_state *istate)
* The GIT_TEST_SPARSE_INDEX environment variable triggers the
* index.sparse config variable to be on.
*/
if (git_env_bool("GIT_TEST_SPARSE_INDEX", 0)) {
int err = enable_sparse_index(istate->repo);
if (err < 0)
return err;
}
test_env = git_env_bool("GIT_TEST_SPARSE_INDEX", -1);
if (test_env >= 0)
set_sparse_index_config(istate->repo, test_env);
/*
* Only convert to sparse if index.sparse is set.