galaxy updates

better error reporting on fetching errors
use scm if it exists over src
unified functions in requirements
simplified logic
added verbose to tests
cleanup code refs, unused options and dead code
moved get_opt to base class
fixes #11920
fixes #12612
fixes #10454

lib/ansible/cli/__init__.py

@@ -512,3 +512,16 @@ class CLI(object):
 
         return vault_pass
 
+    def get_opt(self, k, defval=""):
+        """
+        Returns an option from an Optparse values instance.
+        """
+        try:
+            data = getattr(self.options, k)
+        except:
+            return defval
+        if k == "roles_path":
+            if os.pathsep in data:
+                data = data.split(os.pathsep)[0]
+        return data
+