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
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spack	setup-env.sh: make setup scripts work with set -u	2019-07-05 12:54:17 -07:00