if the netrcFile setting has been changed tell curl that the file is required, so
fetching fails if the file does not exist
if the caFile setting has been specified, check if the file exists and throw an
error if is it non-existent
Refs: #1106
Change-Id: Icb9330a7a715175d35b9ed894ed945f0fd4d7061
Most of these are simple fixes and clarifications. One set of fixes will
come in the commit that actually upgrades nixpkgs and hence ruff as it
will otherwise cause errors here.
Change-Id: Ie857da0f6cf728478700ec2d24cf518f8c7b7815
Use logger in favor over print statment.
This is explicitly supported and encuraged by pytest, which also allows
for capturing logs separate from stdout calls, which is handy for when
e.g. lix code calls out to stdout to keep those differentiated from test
output
Change-Id: Ib88565a1663da3b77ca6b95f8edf644eafb4a99d