On Sun, 24 Sep 2017 11:57:19 -0700
Zac Medico <zmed...@gentoo.org> wrote:

> In order for the eliminate_pkg loop to produce deterministic results,
> the order of the pkgs list must not be random. Prefer to eliminate
> installed packages first, in case rebuilds are needed, and also sort
> in ascending order so that older versions are eliminated first.
> 
> X-Gentoo-bug: 631894
> X-Gentoo-bug-url: https://bugs.gentoo.org/631894
> ---
>  pym/_emerge/depgraph.py | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
> index b4fc5f297..785c036b8 100644
> --- a/pym/_emerge/depgraph.py
> +++ b/pym/_emerge/depgraph.py
> @@ -3584,6 +3584,15 @@ class depgraph(object):
>                                               if
> atom_set.findAtomForPackage(pkg2,
> modified_use=self._pkg_use_enabled(pkg2)): atom_pkg_graph.add(pkg2,
> atom) 
> +                     # In order for the following eliminate_pkg
> loop to produce
> +                     # deterministic results, the order of the
> pkgs list must
> +                     # not be random (bug 631894). Prefer to
> eliminate installed
> +                     # packages first, in case rebuilds are
> needed, and also sort
> +                     # in ascending order so that older versions
> are eliminated
> +                     # first.
> +                     pkgs = (sorted(pkg for pkg in pkgs if
> pkg.installed) +
> +                             sorted(pkg for pkg in pkgs if not
> pkg.installed)) +
>                       for pkg in pkgs:
>                               eliminate_pkg = True
>                               for atom in
> atom_pkg_graph.parent_nodes(pkg):


Looks good

-- 
Brian Dolbec <dolsen>


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