Discard parent profile USE from the expand_map variable before it is used to evaluate a child profile. This prevents accidents triggered by USE="${USE} ..." settngs at the top of make.defaults which caused parent profile USE to override parent profile package.use settings.
Bug: https://bugs.gentoo.org/771549 Signed-off-by: Zac Medico <zmed...@gentoo.org> --- lib/portage/package/ebuild/config.py | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/lib/portage/package/ebuild/config.py b/lib/portage/package/ebuild/config.py index e5ec681af..638c72959 100644 --- a/lib/portage/package/ebuild/config.py +++ b/lib/portage/package/ebuild/config.py @@ -612,9 +612,16 @@ class config: mygcfg = {} if profiles_complex: - mygcfg_dlists = [getconfig(os.path.join(x.location, "make.defaults"), - tolerant=tolerant, expand=expand_map, recursive=x.portage1_directories) - for x in profiles_complex] + mygcfg_dlists = [] + for x in profiles_complex: + # Prevent accidents triggered by USE="${USE} ..." settings + # at the top of make.defaults which caused parent profile + # USE to override parent profile package.use settings. + expand_map.pop("USE", None) + mygcfg_dlists.append( + getconfig(os.path.join(x.location, "make.defaults"), + tolerant=tolerant, expand=expand_map, + recursive=x.portage1_directories)) self._make_defaults = mygcfg_dlists mygcfg = stack_dicts(mygcfg_dlists, incrementals=self.incrementals) -- 2.26.2