Re: [gentoo-portage-dev] [GLEP59v2 5/5] GLEP59: Change live Manifest2 hashes to SHA256, SHA512, WHIRLPOOL

[Zac Medico]

On 10/01/2011 12:40 AM, Robin H. Johnson wrote:
> diff --git a/pym/portage/const.py b/pym/portage/const.py
> index 8b5f4ac..a42ebe8 100644
> --- a/pym/portage/const.py
> +++ b/pym/portage/const.py
> @@ -109,10 +109,12 @@ EAPI                     = 4
>
>  HASHING_BLOCKSIZE        = 32768
>  MANIFEST1_HASH_FUNCTIONS = ("MD5", "SHA256", "RMD160")
> -MANIFEST2_HASH_FUNCTIONS = ("SHA1", "SHA256", "RMD160")
> +MANIFEST2_HASH_FUNCTIONS = ("SHA256", "SHA512", "WHIRLPOOL")
> +# FUTURE: Add SHA-3 when available; remove SHA256 after 2012/10/01
>
>  MANIFEST1_REQUIRED_HASH  = "MD5"
> -MANIFEST2_REQUIRED_HASH  = "SHA1"
> +MANIFEST2_REQUIRED_HASH  = "SHA256"
> +# FUTURE: Change to WHIRLPOOL after 2012/10/01
>
>  MANIFEST2_IDENTIFIERS    = ("AUX", "MISC", "DIST", "EBUILD")
>  # ===========================================================================

If we control these hashes via metadata/layout.conf, then we can toggle
it atomically for all commiters. Otherwise, we'll have an annoying
period of time where different committers are committing different sets
of hashes, depending on their portage version.
-- 
Thanks,
Zac