Re: [PATCH 6/6] odb_pack_keep(): stop generating keepfile name

> The odb_pack_keep() function generates the name of a .keep
> file and opens it. This has two problems:
>
>   1. It requires a fixed-size buffer to create the filename
>      and doesn't notice when the result is truncated.
>
>   2. Of the two callers, one sometimes wants to open a
>      filename it already has, which makes things awkward (it
>      has to do so manually, and skips the leading-directory
>      creation).
>
> Instead, let's have odb_pack_keep() just open the file.
> Callers can use odb_pack_name() separately to generate the
> name. This simplifies the callers, and lets us drop any
> buffer-size limitations.