sparse-checkout: add sanity-checks on initial sparsity state

index e252b82136..eb8fbd36b0 100644 --- a/builtin/sparse-checkout.c +++ b/builtin/sparse-checkout.c @@ -56,6 +56,9 @@ static int sparse_checkout_list(int argc, const char **argv) char *sparse_filename; int res; + if (!core_apply_sparse_checkout) + die(_("this worktree is not sparse")); + argc = parse_options(argc, argv, NULL, builtin_sparse_checkout_list_options, builtin_sparse_checkout_list_usage, 0); @@ -671,6 +674,9 @@ static int sparse_checkout_add(int argc, const char **argv, const char *prefix) OPT_END(), }; + if (!core_apply_sparse_checkout) + die(_("no sparse-checkout to add to")); + repo_read_index(the_repository); argc = parse_options(argc, argv, prefix, @@ -719,6 +725,9 @@ static int sparse_checkout_reapply(int argc, const char **argv) OPT_END(), }; + if (!core_apply_sparse_checkout) + die(_("must be in a sparse-checkout to reapply sparsity patterns")); + argc = parse_options(argc, argv, NULL, builtin_sparse_checkout_reapply_options, builtin_sparse_checkout_reapply_usage, 0); @@ -740,6 +749,17 @@ static int sparse_checkout_disable(int argc, const char **argv) struct pattern_list pl; struct strbuf match_all = STRBUF_INIT; + /* + * We do not exit early if !core_apply_sparse_checkout; due to the + * ability for users to manually muck things up between + * direct editing of .git/info/sparse-checkout + * running read-tree -m u HEAD or update-index --skip-worktree + * direct toggling of config options + * users might end up with an index with SKIP_WORKTREE bit set on + * some files and not know how to undo it. So, here we just + * forcibly return to a dense checkout regardless of initial state. + */ + argc = parse_options(argc, argv, NULL, builtin_sparse_checkout_disable_options, builtin_sparse_checkout_disable_usage, 0);

index 272ba1b566..90a281bcf6 100755 --- a/t/t1091-sparse-checkout-builtin.sh +++ b/t/t1091-sparse-checkout-builtin.sh @@ -41,7 +41,15 @@ test_expect_success 'setup' ' ) ' -test_expect_success 'git sparse-checkout list (empty)' ' +test_expect_success 'git sparse-checkout list (not sparse)' ' + test_must_fail git -C repo sparse-checkout list >list 2>err && + test_must_be_empty list && + test_i18ngrep "this worktree is not sparse" err +' + +test_expect_success 'git sparse-checkout list (not sparse)' ' + git -C repo sparse-checkout set && + rm repo/.git/info/sparse-checkout && git -C repo sparse-checkout list >list 2>err && test_must_be_empty list && test_i18ngrep "this worktree is not sparse (sparse-checkout file may not exist)" err