lib/bb/siggen.py: ensure dumped signatures have group R/W

We anticipate signatures being shared amongst peers in a group so ensure
they have rw-rw-r-- permissions to facilitate this.

(Bitbake rev: e4716f316152cafabebcefec7b387edeb02ad3eb)

Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 4 insertions, 2 deletions

diff --git a/bitbake/lib/bb/siggen.py b/bitbake/lib/bb/siggen.py
index ca26919c9e..5a0b80e8a9 100644
--- a/bitbake/lib/bb/siggen.py
+++ b/bitbake/lib/bb/siggen.py
@@ -201,8 +201,10 @@ class SignatureGeneratorBasic(SignatureGenerator):
             for dep in data['runtaskdeps']:
                 data['runtaskhashes'][dep] = self.taskhash[dep]
 
-        p = pickle.Pickler(open(sigfile, "wb"), -1)
-        p.dump(data)
+        with open(sigfile, "wb") as f:
+            p = pickle.Pickler(f, -1)
+            p.dump(data)
+        os.chmod(sigfile, 0664)
 
     def dump_sigs(self, dataCache):
         for fn in self.taskdeps: