tar.py: Make directories with incorrect permissions traversable
diff --git a/src/buildstream/plugins/sources/tar.py b/src/buildstream/plugins/sources/tar.py
index ac80177..a0682e0 100644
--- a/src/buildstream/plugins/sources/tar.py
+++ b/src/buildstream/plugins/sources/tar.py
@@ -75,8 +75,12 @@
"""
@property
def mode(self):
- # ensure file is readable by owner and group
- return self.__permission | 0o440
+ # ensure file is readable by owner and group, and executable
+ # (=traversable) if it's a directory.
+ if self.isdir():
+ return self.__permission | 0o550
+ else:
+ return self.__permission | 0o440
@mode.setter
def mode(self, permission):