Supply cog cli to container

Author: Joseph Bowkett

.github/cog

@@ -0,0 +1,8 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+from cogapp import main
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())

.github/workflows/ros2_build_and_tag.yml

@@ -31,13 +31,15 @@ env:
 
   # Define the commands that need to be run to establish all the dependencies
   # for your package. This will be run in the src directory so you can clone
-  # other git packages via https if needed
+  # other git packages via https if needed. Note you may need to use the
+  # virtual env python installer pipx due to directory permissions
   DEPENDENCY_INSTALL_COMMANDS: |
     apt-get update
     apt-get install -y libyaml-cpp-dev libreadline-dev doxygen
     apt-get install -y python3-yaml python3-graphviz python3-ipython
     apt-get install -y python3-pip pipx 
     pipx install cogapp
+    cp ./.github/cog /user/local/bin
     git clone --depth 1 --branch v0.2.0 https://github.com/nasa-jpl/fcat_msgs.git
 
 jobs: