[OE-core] [RFC PATCH 2/3] lib/bb/siggen.py: create permissive files and directories

[Joshua Lock]

Create signature files, and the directories which contain them, with
rwx for everyone so that they are easily shared with different users
of the same machine.

Signed-off-by: Joshua Lock <josh at linux.intel.com>
---
 bitbake/lib/bb/siggen.py |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/bitbake/lib/bb/siggen.py b/bitbake/lib/bb/siggen.py
index 8c79b17..bd6d59b 100644
--- a/bitbake/lib/bb/siggen.py
+++ b/bitbake/lib/bb/siggen.py
@@ -201,7 +201,12 @@ class SignatureGeneratorBasic(SignatureGenerator):
             for dep in data['runtaskdeps']:
                 data['runtaskhashes'][dep] = self.taskhash[dep]
 
-        p = pickle.Pickler(file(sigfile, "wb"), -1)
+        # Create file with permissive (0777) read/write for easier sharing
+        f = os.fdopen(os.open(sigfile, os.O_RDWR|os.O_CREAT), "wb")
+        # os.open() and os.fdopen() are affected by the users umask so brute force
+        # the permissions with a call to chmod
+        os.chmod(sigfile, 0777)
+        p = pickle.Pickler(f, -1)
         p.dump(data)
 
     def dump_sigs(self, dataCache):
-- 
1.7.7.6