David Turner <dturner@xxxxxxxxxxxxxxxx> writes:
> Don't update files in the worktree from cache entries which are
> flagged with CE_WT_REMOVE.
>
> When a user does a sparse checkout, git removes files that are marked
> with CE_WT_REMOVE (because they are out-of-scope for the sparse
> checkout). If those files are also marked CE_UPDATE (for instance,
> because they differ in the branch that is being checked out and the
> outgoing branch), git would previously recreate them. This patch
> prevents them from being recreated.
>
> These erroneously-created files would also interfere with merges,
> causing pre-merge revisions of out-of-scope files to appear in the
> worktree.
>
> Signed-off-by: Anatole Shaw <git-devel@xxxxxxxxxxxx>
> Signed-off-by: David Turner <dturner@xxxxxxxxxxxxxxxx>
> ---
That's much more readable and understandable ;-)
Duy Cc'ed for final sanity check and possiible extra comments.
Thanks.
> t/t1090-sparse-checkout-scope.sh | 52 ++++++++++++++++++++++++++++++++++++++++
> unpack-trees.c | 2 +-
> 2 files changed, 53 insertions(+), 1 deletion(-)
> create mode 100755 t/t1090-sparse-checkout-scope.sh
>
> diff --git a/t/t1090-sparse-checkout-scope.sh b/t/t1090-sparse-checkout-scope.sh
> new file mode 100755
> index 0000000..1f61eb3
> --- /dev/null
> +++ b/t/t1090-sparse-checkout-scope.sh
> @@ -0,0 +1,52 @@
> +#!/bin/sh
> +
> +test_description='sparse checkout scope tests'
> +
> +. ./test-lib.sh
> +
> +test_expect_success 'setup' '
> + echo "initial" >a &&
> + echo "initial" >b &&
> + echo "initial" >c &&
> + git add a b c &&
> + git commit -m "initial commit"
> +'
> +
> +test_expect_success 'create feature branch' '
> + git checkout -b feature &&
> + echo "modified" >b &&
> + echo "modified" >c &&
> + git add b c &&
> + git commit -m "modification"
> +'
> +
> +test_expect_success 'perform sparse checkout of master' '
> + git config --local --bool core.sparsecheckout true &&
> + echo "!/*" >.git/info/sparse-checkout &&
> + echo "/a" >>.git/info/sparse-checkout &&
> + echo "/c" >>.git/info/sparse-checkout &&
> + git checkout master &&
> + test_path_is_file a &&
> + test_path_is_missing b &&
> + test_path_is_file c
> +'
> +
> +test_expect_success 'merge feature branch into sparse checkout of master' '
> + git merge feature &&
> + test_path_is_file a &&
> + test_path_is_missing b &&
> + test_path_is_file c &&
> + test "$(cat c)" = "modified"
> +'
> +
> +test_expect_success 'return to full checkout of master' '
> + git checkout feature &&
> + echo "/*" >.git/info/sparse-checkout &&
> + git checkout master &&
> + test_path_is_file a &&
> + test_path_is_file b &&
> + test_path_is_file c &&
> + test "$(cat b)" = "modified"
> +'
> +
> +test_done
> diff --git a/unpack-trees.c b/unpack-trees.c
> index 2927660..11a5300 100644
> --- a/unpack-trees.c
> +++ b/unpack-trees.c
> @@ -223,7 +223,7 @@ static int check_updates(struct unpack_trees_options *o)
> for (i = 0; i < index->cache_nr; i++) {
> struct cache_entry *ce = index->cache[i];
>
> - if (ce->ce_flags & CE_UPDATE) {
> + if (ce->ce_flags & CE_UPDATE && !(ce->ce_flags & CE_WT_REMOVE)) {
> display_progress(progress, ++cnt);
> ce->ce_flags &= ~CE_UPDATE;
> if (o->update && !o->dry_run) {
--
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