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Re: [PATCH] list-objects: check if filter is NULL before using




Jonathan Tan <jonathantanmy@xxxxxxxxxx> writes:

> In partial_clone_get_default_filter_spec(), the
> core_partial_clone_filter_default variable may be NULL; ensure that it
> is not NULL before using it.
>
> Signed-off-by: Jonathan Tan <jonathantanmy@xxxxxxxxxx>
> ---
> This was noticed by someone else at $DAY_JOB when trying to use a
> partial clone with no core.partialclonefilter set.

Thanks, will queue.

> ---
>  list-objects-filter-options.c | 2 ++
>  t/t0410-partial-clone.sh      | 8 ++++++++
>  2 files changed, 10 insertions(+)
>
> diff --git a/list-objects-filter-options.c b/list-objects-filter-options.c
> index 6a3cc985c4..c0e2bd6a06 100644
> --- a/list-objects-filter-options.c
> +++ b/list-objects-filter-options.c
> @@ -146,6 +146,8 @@ void partial_clone_get_default_filter_spec(
>  	/*
>  	 * Parse default value, but silently ignore it if it is invalid.
>  	 */
> +	if (!core_partial_clone_filter_default)
> +		return;
>  	gently_parse_list_objects_filter(filter_options,
>  					 core_partial_clone_filter_default,
>  					 NULL);
> diff --git a/t/t0410-partial-clone.sh b/t/t0410-partial-clone.sh
> index cc18b75c03..4984ca583d 100755
> --- a/t/t0410-partial-clone.sh
> +++ b/t/t0410-partial-clone.sh
> @@ -23,7 +23,15 @@ promise_and_delete () {
>  	delete_object repo "$HASH"
>  }
>  
> +test_expect_success 'extensions.partialclone without filter' '
> +	test_create_repo server &&
> +	git clone --filter="blob:none" "file://$(pwd)/server" client &&
> +	git -C client config --unset core.partialclonefilter &&
> +	git -C client fetch origin
> +'
> +
>  test_expect_success 'missing reflog object, but promised by a commit, passes fsck' '
> +	rm -rf repo &&
>  	test_create_repo repo &&
>  	test_commit -C repo my_commit &&