From df2c91cfdfbb827b61d4d3b7de6817a9ccd31a5d Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Wed, 18 Aug 2010 15:31:29 -0700
Subject: Move environment sanity check to the Scheduler and do it if there are
 any source packages in the merge list.

---
 pym/_emerge/Scheduler.py               | 36 ++++++++++++++++++++++++++++++++++
 pym/portage/package/ebuild/doebuild.py | 16 ---------------
 2 files changed, 36 insertions(+), 16 deletions(-)

diff --git a/pym/_emerge/Scheduler.py b/pym/_emerge/Scheduler.py
index 43fa68a77..2a052af4c 100644
--- a/pym/_emerge/Scheduler.py
+++ b/pym/_emerge/Scheduler.py
@@ -21,6 +21,7 @@ from portage import _unicode_encode
 from portage.cache.mappings import slot_dict_class
 from portage.const import LIBC_PACKAGE_ATOM
 from portage.elog.messages import eerror
+from portage.localization import _
 from portage.output import colorize, create_color_func, red
 bad = create_color_func("BAD")
 from portage.sets import SETPREFIX
@@ -676,6 +677,37 @@ class Scheduler(PollScheduler):
 
 		return os.EX_OK
 
+	def _env_sanity_check(self):
+		"""
+		Verify a sane environment before trying to build anything from source.
+		"""
+		have_src_pkg = False
+		for x in self._mergelist:
+			if isinstance(x, Package) and not x.built:
+				have_src_pkg = True
+				break
+
+		if not have_src_pkg:
+			return os.EX_OK
+
+		for settings in self.pkgsettings.values():
+			for var in ("ARCH", ):
+				value = settings.get(var)
+				if value and value.strip():
+					continue
+				msg = _("%(var)s is not set... "
+					"Are you missing the '%(configroot)setc/make.profile' symlink? "
+					"Is the symlink correct? "
+					"Is your portage tree complete?") % \
+					{"var": var, "configroot": settings["PORTAGE_CONFIGROOT"]}
+
+				out = portage.output.EOutput()
+				for line in textwrap.wrap(msg, 70):
+					out.eerror(line)
+				return 1
+
+		return os.EX_OK
+
 	def _check_manifests(self):
 		# Verify all the manifests now so that the user is notified of failure
 		# as soon as possible.
@@ -990,6 +1022,10 @@ class Scheduler(PollScheduler):
 		if rval != os.EX_OK:
 			return rval
 
+		rval = self._env_sanity_check()
+		if rval != os.EX_OK:
+			return rval
+
 		# TODO: Immediately recalculate deps here if --keep-going
 		#       is enabled and corrupt manifests are detected.
 		rval = self._check_manifests()
diff --git a/pym/portage/package/ebuild/doebuild.py b/pym/portage/package/ebuild/doebuild.py
index 32cec8d11..10c8e0684 100644
--- a/pym/portage/package/ebuild/doebuild.py
+++ b/pym/portage/package/ebuild/doebuild.py
@@ -879,22 +879,6 @@ def _prepare_env_file(settings):
 				if e.errno != errno.ENOENT:
 					raise
 			env_stat = None
-	if env_stat is not None:
-		pass
-	else:
-		for var in ("ARCH", ):
-			value = settings.get(var)
-			if value and value.strip():
-				continue
-			msg = _("%(var)s is not set... "
-				"Are you missing the '%(configroot)setc/make.profile' symlink? "
-				"Is the symlink correct? "
-				"Is your portage tree complete?") % \
-				{"var": var, "configroot": settings["PORTAGE_CONFIGROOT"]}
-			for line in wrap(msg, 70):
-				eerror(line, phase="setup", key=settings.mycpv)
-			elog_process(settings.mycpv, settings)
-			return 1
 
 	return os.EX_OK
 
-- 
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