Re: [PATCH] builtin/maintenance: accept "none" as a maintenance strategy

David Lin <[email protected]> writes:

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> Commit d465be2327 (builtin/maintenance: don't silently ignore invalid
> strategy, 2025-10-24) changed scheduled maintenance to error on an
> unknown maintenance strategy instead of silently defaulting to the
> `none` strategy.
>
> However, `parse_maintenance_strategy()` does not recognize `none`, so
> Git rejects a valid and documented strategy that can be used to override
> an existing strategy and disable maintenance tasks.
>
> Accept `none` as a valid maintenance strategy and add tests to ensure
> it's accepted.
>
> Signed-off-by: David Lin <[email protected]>
> ---
>  builtin/gc.c           | 2 ++
>  t/t7900-maintenance.sh | 3 +++
>  2 files changed, 5 insertions(+)
>
> diff --git a/builtin/gc.c b/builtin/gc.c
> index 46999a99ab..3d1e39d46a 100644
> --- a/builtin/gc.c
> +++ b/builtin/gc.c
> @@ -1922,6 +1922,8 @@ static const struct maintenance_strategy geometric_strategy = {
>  
>  static struct maintenance_strategy parse_maintenance_strategy(const char *name)
>  {
> +	if (!strcasecmp(name, "none"))
> +		return none_strategy;
>  	if (!strcasecmp(name, "incremental"))
>  		return incremental_strategy;
>  	if (!strcasecmp(name, "gc"))
> diff --git a/t/t7900-maintenance.sh b/t/t7900-maintenance.sh
> index a8d691719d..130c971b15 100755
> --- a/t/t7900-maintenance.sh
> +++ b/t/t7900-maintenance.sh
> @@ -1022,6 +1022,9 @@ test_expect_success 'maintenance.strategy is respected' '
>  		test_must_fail git -c maintenance.strategy=unknown maintenance run 2>err &&
>  		test_grep "unknown maintenance strategy: .unknown." err &&
>  
> +		test_strategy none </dev/null &&
> +		test_strategy none --schedule=weekly </dev/null &&
> +
>  		test_strategy incremental <<-\EOF &&
>  		git pack-refs --all --prune
>  		git reflog expire --all
>
> base-commit: 13c7afec212fc97ce257d15601659314c6673d6c