cabal-test: add install_args role var

This change adds a new role vars to enable setting
custom install arguments.

Change-Id: I4e4174117608bb76ca6e497687753cfdbc3acc02
2 files changed
tree: d4285f4d456c7ff637683561f5d35e4aee9194d9
  1. .gitreview
  2. README
  3. playbooks/
  4. roles/
  5. zuul.d/