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authorElijah Newren <newren@gmail.com>2023-02-27 15:28:09 +0000
committerJunio C Hamano <gitster@pobox.com>2023-02-27 08:29:50 -0800
commitb413a827126abd54fa95470be7c63fa4f00d5d47 (patch)
treea4a20dc3d93b3123acc60d6ded50cf4a8e4a42f5
parentt2021: fix platform-specific leftover cruft (diff)
downloadgit-b413a827126abd54fa95470be7c63fa4f00d5d47.tar.gz
git-b413a827126abd54fa95470be7c63fa4f00d5d47.zip
unpack-trees: heed requests to overwrite ignored files
When a directory exists but has only ignored files within it and we are trying to switch to a branch that has a file where that directory is, the behavior depends upon --[no]-overwrite-ignore. If the user wants to --overwrite-ignore (the default), then we should delete the ignored file and directory and switch to the new branch. The code to handle this in verify_clean_subdirectory() in unpack-trees tried to handle this via paying attention to the exclude_per_dir setting of the internal dir field. This came from commit c81935348b ("Fix switching to a branch with D/F when current branch has file D.", 2007-03-15), which pre-dated 039bc64e88 ("core.excludesfile clean-up", 2007-11-14), and thus did not pay attention to ignore patterns from other relevant files. Change it to use setup_standard_excludes() so that it is also aware of excludes specified in other locations. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rwxr-xr-xt/t2021-checkout-overwrite.sh11
-rw-r--r--unpack-trees.c2
2 files changed, 12 insertions, 1 deletions
diff --git a/t/t2021-checkout-overwrite.sh b/t/t2021-checkout-overwrite.sh
index baca66e1a3..034f62c13c 100755
--- a/t/t2021-checkout-overwrite.sh
+++ b/t/t2021-checkout-overwrite.sh
@@ -69,4 +69,15 @@ test_expect_success SYMLINKS 'checkout -f must not follow symlinks when removing
test_path_is_file untracked/f
'
+test_expect_success 'checkout --overwrite-ignore should succeed if only ignored files in the way' '
+ git checkout -b df_conflict &&
+ test_commit contents some_dir &&
+ git checkout start &&
+ mkdir some_dir &&
+ echo autogenerated information >some_dir/ignore &&
+ echo ignore >.git/info/exclude &&
+ git checkout --overwrite-ignore df_conflict &&
+ ! test_path_is_dir some_dir
+'
+
test_done
diff --git a/unpack-trees.c b/unpack-trees.c
index 3d05e45a27..4518d33ed9 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -2337,7 +2337,7 @@ static int verify_clean_subdirectory(const struct cache_entry *ce,
memset(&d, 0, sizeof(d));
if (o->dir)
- d.exclude_per_dir = o->dir->exclude_per_dir;
+ setup_standard_excludes(&d);
i = read_directory(&d, o->src_index, pathbuf, namelen+1, NULL);
dir_clear(&d);
free(pathbuf);