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authorLibravatar Derrick Stolee <dstolee@microsoft.com>2020-01-24 21:19:33 +0000
committerLibravatar Junio C Hamano <gitster@pobox.com>2020-01-24 13:26:54 -0800
commit3c754067a1164ffafd965dcd44a9f004e6100e42 (patch)
tree619430fbdc567577d6d95fc382382bbf83d1ba89
parentt1091: improve here-docs (diff)
downloadtgif-3c754067a1164ffafd965dcd44a9f004e6100e42.tar.xz
sparse-checkout: create leading directories
The 'git init' command creates the ".git/info" directory and fills it with some default files. However, 'git worktree add' does not create the info directory for that worktree. This causes a problem when running "git sparse-checkout init" inside a worktree. While care was taken to allow the sparse-checkout config to be specific to a worktree, this initialization was untested. Safely create the leading directories for the sparse-checkout file. This is the safest thing to do even without worktrees, as a user could delete their ".git/info" directory and expect Git to recover safely. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--builtin/sparse-checkout.c4
-rwxr-xr-xt/t1091-sparse-checkout-builtin.sh10
2 files changed, 14 insertions, 0 deletions
diff --git a/builtin/sparse-checkout.c b/builtin/sparse-checkout.c
index b3bed891cb..3cee8ab46e 100644
--- a/builtin/sparse-checkout.c
+++ b/builtin/sparse-checkout.c
@@ -199,6 +199,10 @@ static int write_patterns_and_update(struct pattern_list *pl)
int result;
sparse_filename = get_sparse_checkout_filename();
+
+ if (safe_create_leading_directories(sparse_filename))
+ die(_("failed to create directory for sparse-checkout file"));
+
fd = hold_lock_file_for_update(&lk, sparse_filename,
LOCK_DIE_ON_ERROR);
diff --git a/t/t1091-sparse-checkout-builtin.sh b/t/t1091-sparse-checkout-builtin.sh
index e28e1c797f..43d1f7520c 100755
--- a/t/t1091-sparse-checkout-builtin.sh
+++ b/t/t1091-sparse-checkout-builtin.sh
@@ -295,4 +295,14 @@ test_expect_success 'interaction with submodules' '
check_files super/modules/child a deep folder1 folder2
'
+test_expect_success 'different sparse-checkouts with worktrees' '
+ git -C repo worktree add --detach ../worktree &&
+ check_files worktree "a deep folder1 folder2" &&
+ git -C worktree sparse-checkout init --cone &&
+ git -C repo sparse-checkout set folder1 &&
+ git -C worktree sparse-checkout set deep/deeper1 &&
+ check_files repo a folder1 &&
+ check_files worktree a deep
+'
+
test_done