Todd Gamblin 5686c2a544 setup-env.sh: make setup scripts work with set -u ...

- Add set -u to the setup-env.sh test script

- Refactor lines in setup-env.sh that tested potentially undefined
  variables to use the `[ -z ${var+x} ]` construct

2019-07-05 12:54:17 -07:00

..

spack

setup-env.sh: make setup scripts work with set -u

2019-07-05 12:54:17 -07:00