[gentoo-portage-dev] [PATCH 2/4] EAPI 6: Enforce LC_COLLATE=C in ebuild environment

[Michał Górny]

---
 pym/portage/eapi.py                  |  9 +++++++--
 pym/portage/package/ebuild/config.py |  5 +++++
 pym/portage/util/locale.py           | 21 +++++++++++++++++++++
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/pym/portage/eapi.py b/pym/portage/eapi.py
index 4f77910..1709026 100644
--- a/pym/portage/eapi.py
+++ b/pym/portage/eapi.py
@@ -1,4 +1,4 @@
-# Copyright 2010-2012 Gentoo Foundation
+# Copyright 2010-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 import collections
@@ -68,6 +68,10 @@ def eapi_has_required_use_at_most_one_of(eapi):
 def eapi_has_use_dep_defaults(eapi):
 	return eapi not in ("0", "1", "2", "3")
 
+def eapi_requires_posixish_locale(eapi):
+	return eapi not in ("0", "1", "2", "3", "4", "4-python", "4-slot-abi",
+			"5", "5-progress", "5-hdepend")
+
 def eapi_has_repo_deps(eapi):
 	return eapi in ("4-python", "5-progress")
 
@@ -98,7 +102,7 @@ def eapi_has_targetroot(eapi):
 _eapi_attrs = collections.namedtuple('_eapi_attrs',
 	'dots_in_PN dots_in_use_flags exports_EBUILD_PHASE_FUNC '
 	'feature_flag_test feature_flag_targetroot '
-	'hdepend iuse_defaults iuse_effective '
+	'hdepend iuse_defaults iuse_effective posixish_locale '
 	'repo_deps required_use required_use_at_most_one_of slot_operator slot_deps '
 	'src_uri_arrows strong_blocks use_deps use_dep_defaults')
 
@@ -129,6 +133,7 @@ def _get_eapi_attrs(eapi):
 		hdepend = (eapi is not None and eapi_has_hdepend(eapi)),
 		iuse_defaults = (eapi is None or eapi_has_iuse_defaults(eapi)),
 		iuse_effective = (eapi is not None and eapi_has_iuse_effective(eapi)),
+		posixish_locale = (eapi is not None and eapi_requires_posixish_locale(eapi)),
 		repo_deps = (eapi is None or eapi_has_repo_deps(eapi)),
 		required_use = (eapi is None or eapi_has_required_use(eapi)),
 		required_use_at_most_one_of = (eapi is None or eapi_has_required_use_at_most_one_of(eapi)),
diff --git a/pym/portage/package/ebuild/config.py b/pym/portage/package/ebuild/config.py
index 40aa99d..095de37 100644
--- a/pym/portage/package/ebuild/config.py
+++ b/pym/portage/package/ebuild/config.py
@@ -24,6 +24,7 @@ portage.proxy.lazyimport.lazyimport(globals(),
 	'portage.dep.soname.SonameAtom:SonameAtom',
 	'portage.dbapi.vartree:vartree',
 	'portage.package.ebuild.doebuild:_phase_func_map',
+	'portage.util.locale:split_LC_ALL',
 )
 from portage import bsd_chflags, \
 	load_mod, os, selinux, _unicode_decode
@@ -2769,6 +2770,10 @@ class config(object):
 			if phase_func is not None:
 				mydict["EBUILD_PHASE_FUNC"] = phase_func
 
+		if eapi_attrs.posixish_locale:
+			split_LC_ALL(mydict)
+			mydict["LC_COLLATE"] = "C"
+
 		return mydict
 
 	def thirdpartymirrors(self):
diff --git a/pym/portage/util/locale.py b/pym/portage/util/locale.py
index 529db35..7b13ec7 100644
--- a/pym/portage/util/locale.py
+++ b/pym/portage/util/locale.py
@@ -18,6 +18,15 @@ from portage.util import writemsg_level
 from portage.util._ctypes import find_library, LoadLibrary
 
 
+locale_categories = (
+	'LC_COLLATE', 'LC_CTYPE', 'LC_MONETARY', 'LC_MESSAGES',
+	'LC_NUMERIC', 'LC_TIME',
+	# GNU extensions
+	'LC_ADDRESS', 'LC_IDENTIFICATION', 'LC_MEASUREMENT', 'LC_NAME',
+	'LC_PAPER', 'LC_TELEPHONE',
+)
+
+
 def _check_locale():
 	"""
 	The inner locale check function.
@@ -89,3 +98,15 @@ def check_locale():
 		if ret != 2:
 			return ret == 0
 	return None
+
+
+def split_LC_ALL(env):
+	"""
+	Replace LC_ALL with split-up LC_* variables if it is defined.
+	Works on the passed environment (or settings instance).
+	"""
+	lc_all = env.get("LC_ALL")
+	if lc_all is not None:
+		for c in locale_categories:
+			env[c] = lc_all
+		del env["LC_ALL"]
-- 
2.6.3