From 18792bbde65228ca97fc15b5686d6175b806e925 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Wed, 20 Jun 2007 05:45:31 +0000
Subject: For bug #180165, make portageq print a "Permission denied" error when
 appropriate and make has_version die if portageq has an unexpected exit code.
 (trunk r6880:6882)

svn path=/main/branches/2.1.2/; revision=6885
---
 bin/ebuild.sh            | 18 +++++++++++++-----
 bin/emerge               |  7 ++++++-
 bin/portageq             |  5 ++++-
 pym/portage.py           | 11 ++++++++---
 pym/portage_exception.py |  1 +
 5 files changed, 32 insertions(+), 10 deletions(-)

diff --git a/bin/ebuild.sh b/bin/ebuild.sh
index 029d46a2f..6ea33964c 100755
--- a/bin/ebuild.sh
+++ b/bin/ebuild.sh
@@ -190,11 +190,19 @@ has_version() {
 	fi
 	# return shell-true/shell-false if exists.
 	# Takes single depend-type atoms.
-	if "${PORTAGE_BIN_PATH}/portageq" 'has_version' "${ROOT}" "$1"; then
-		return 0
-	else
-		return 1
-	fi
+	"${PORTAGE_BIN_PATH}"/portageq has_version "${ROOT}" "$1"
+	local retval=$?
+	case "${retval}" in
+		0)
+			return 0
+			;;
+		1)
+			return 1
+			;;
+		*)
+			die "unexpected portageq exit code: ${retval}"
+			;;
+	esac
 }
 
 portageq() {
diff --git a/bin/emerge b/bin/emerge
index 27a48ee2c..0084dded9 100755
--- a/bin/emerge
+++ b/bin/emerge
@@ -5582,5 +5582,10 @@ def emerge_main():
 			post_emerge(settings, mtimedb, 0)
 
 if __name__ == "__main__":
-	retval = emerge_main()
+	from portage_exception import PermissionDenied
+	try:
+		retval = emerge_main()
+	except PermissionDenied, e:
+		sys.stderr.write("Permission denied: '%s'\n" % str(e))
+		sys.exit(e.errno)
 	sys.exit(retval)
diff --git a/bin/portageq b/bin/portageq
index de2a24c12..1a59af8bc 100755
--- a/bin/portageq
+++ b/bin/portageq
@@ -22,7 +22,7 @@ except KeyboardInterrupt:
 import os
 
 import types
-
+import portage_exception
 #-----------------------------------------------------------------------------
 #
 # To add functionality to this tool, add a function below.
@@ -342,6 +342,9 @@ def main():
 	except KeyError:
 		usage(sys.argv)
 		sys.exit(os.EX_USAGE)
+	except portage_exception.PermissionDenied, e:
+		sys.stderr.write("Permission denied: '%s'\n" % str(e))
+		sys.exit(e.errno)
 
 main()
 
diff --git a/pym/portage.py b/pym/portage.py
index ea3fba2fa..054435bff 100644
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -185,7 +185,14 @@ def cacheddir(my_original_path, ignorecvs, ignorelist, EmptyOnError, followSymli
 			mtime = pathstat[stat.ST_MTIME]
 		else:
 			raise portage_exception.DirectoryNotFound(mypath)
-	except (IOError,OSError,portage_exception.PortageException):
+	except EnvironmentError, e:
+		if e.errno == portage_exception.PermissionDenied.errno:
+			raise portage_exception.PermissionDenied(mypath)
+		del e
+		if EmptyOnError:
+			return [], []
+		return None, None
+	except portage_exception.PortageException:
 		if EmptyOnError:
 			return [], []
 		return None, None
@@ -199,8 +206,6 @@ def cacheddir(my_original_path, ignorecvs, ignorelist, EmptyOnError, followSymli
 			if e.errno != errno.EACCES:
 				raise
 			del e
-			if EmptyOnError:
-				return [], []
 			raise portage_exception.PermissionDenied(mypath)
 		ftype = []
 		for x in list:
diff --git a/pym/portage_exception.py b/pym/portage_exception.py
index 4be72cf96..3d590a563 100644
--- a/pym/portage_exception.py
+++ b/pym/portage_exception.py
@@ -53,6 +53,7 @@ class OperationNotPermitted(PortageException):
 	"""An operation was not permitted operating system"""
 
 class PermissionDenied(PortageException):
+	from errno import EACCES as errno
 	"""Permission denied"""
 
 class ReadOnlyFileSystem(PortageException):
-- 
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