Re: [PATCH 1/2] prepare_packed_git(): refactor garbage reporting in pack directory

> From: Junio C Hamano <gitster@pobox.com>
>
> The hook to report "garbage" files in $GIT_OBJECT_DIRECTORY/pack/
> could be generic but is too specific to count-object's needs.
>
> Move the part to produce human-readable messages to count-objects,
> and refine the interface to callback with the "bits" with values
> defined in the cache.h header file, so that other callers (e.g.
> prune) can later use the same mechanism to enumerate different
> kinds of garbage files and do something intelligent about them,
> other than reporting in textual messages.
>
> Signed-off-by: Junio C Hamano <gitster@pobox.com>

> ---
> diff --git a/builtin/count-objects.c b/builtin/count-objects.c
> index ad0c799..4c3198e 100644
> --- a/builtin/count-objects.c
> +++ b/builtin/count-objects.c
> @@ -15,9 +15,31 @@ static int verbose;
>  static unsigned long loose, packed, packed_loose;
>  static off_t loose_size;
>
> -static void real_report_garbage(const char *desc, const char *path)
> +const char *bits_to_msg(unsigned seen_bits)

> +{
> +       switch (seen_bits) {
> +       case 0:
> +               return "no corresponding .idx or .pack";
> +       case PACKDIR_FILE_GARBAGE:
> +               return "garbage found";
> +       case PACKDIR_FILE_PACK:
> +               return "no corresponding .idx";
> +       case PACKDIR_FILE_IDX:
> +               return "no corresponding .pack";
> +       case PACKDIR_FILE_PACK|PACKDIR_FILE_IDX:
> +       default:
> +               return NULL;
> +       }
> +}