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Set up cram alias and example tests:
$ . "$TESTDIR"/setup.sh
Options in .cramrc:
$ cat > .cramrc <<EOF
> [cram]
> yes = True
> no = 1
> indent = 4
> EOF
$ cram
options --yes and --no are mutually exclusive
[2]
$ mv .cramrc config
$ CRAMRC=config cram
options --yes and --no are mutually exclusive
[2]
$ rm config
Invalid option in .cramrc:
$ cat > .cramrc <<EOF
> [cram]
> indent = hmm
> EOF
$ cram
[Uu]sage: cram \[OPTIONS\] TESTS\.\.\. (re)
cram: error: option --indent: invalid integer value: 'hmm'
[2]
$ rm .cramrc
$ cat > .cramrc <<EOF
> [cram]
> verbose = hmm
> EOF
$ cram
[Uu]sage: cram \[OPTIONS\] TESTS\.\.\. (re)
cram: error: --verbose: invalid boolean value: 'hmm'
[2]
$ rm .cramrc
Options in an environment variable:
$ CRAM='-y -n' cram
options --yes and --no are mutually exclusive
[2]
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