added mac release scripts

release/update_package_version.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+
+# adjust version for packages
+
+import os,sys
+import plistlib
+
+if len(sys.argv) < 4:
+    print('Usage: %s <version> <infile.pkgproj> <outfile.pkgproj>', file=sys.stderr)
+    sys.exit(1)
+
+version = sys.argv[1]
+
+with open(sys.argv[2], 'rb') as infile:
+
+    dict = plistlib.load(infile)
+
+    for n in range(0, len(dict['PACKAGES'])):
+        dict['PACKAGES'][n]['PACKAGE_SETTINGS']['VERSION'] = version
+        
+    with open(sys.argv[3], 'wb') as fp:
+        plistlib.dump(dict, fp)
+    
+
+
+