Brandon Casey <drafnel@gmail.com> writes:

quoted text
> @@ -116,7 +113,15 @@ for name in $names ; do
>                 echo >&2 "old-pack-$name.{pack,idx} in $PACKDIR."
>                 exit 1
>         }
> -       rm -f "$PACKDIR/old-pack-$name.pack" "$PACKDIR/old-pack-$name.idx"
> +       rm -f "$PACKDIR/old-pack-$name.idx"
> +       test -z "$keep_unreachable" ||
> +         ! test -f "$PACKDIR/old-pack-$name.pack" ||
> +         git unpack-objects < "$PACKDIR/old-pack-$name.pack" || {
> +               echo >&2 "Failed unpacking unreachable objects from old pack"
> +               echo >&2 "saved as old-pack-$name.pack in $PACKDIR."
> +               exit 1
> +       }

Neat trick.  Unreachable objects that are only in this pack will get
current timestamp and gets a new lease of life for two weeks and then will
disappear.

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