Require the target option to be passed

Similar to the URL, the common tooling always passes the target
directive to autospec. Using this convention we can better initialize
autospec state earlier and with less fallbacks.

Author: bryteise

autospec/autospec.py

@@ -177,7 +177,7 @@ def main():
                         default="/usr/share/defaults/autospec/autospec.conf",
                         help="Set configuration file to use")
     parser.add_argument("-t", "--target", dest="target", action="store",
-                        default=None,
+                        required=True,
                         help="Target location to create or reuse")
     parser.add_argument("-i", "--integrity", action="store_true",
                         default=False,
@@ -224,6 +224,13 @@ def main():
             license.add_license(infile_dict.get("LICENSE"))
             print_infile("License added: {}".format(infile_dict.get("LICENSE")))
 
+    if not args.target:
+        parser.error(argparse.ArgumentTypeError(
+            "The target option is not valid"))
+    else:
+        # target path must exist or be created
+        os.makedirs(args.target, exist_ok=True)
+
     if not url:
         parser.error(argparse.ArgumentTypeError(
             "the url argument or options.conf['package']['url'] is required"))