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21 lines
454 B
Plaintext
21 lines
454 B
Plaintext
if (FOO=FOO; unset FOO) >/dev/null 2>&1; then
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as_unset=unset
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else
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as_unset=false
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fi
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$as_unset VERSION_CONTROL SIMPLE_BACKUP_SUFFIX
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if test "${VERSION_CONTROL+set}" = set; then
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echo "$0: the VERSION_CONTROL envvar is set --" \
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' unset it and rerun this test' >&2
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exit 1
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fi
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if test "${SIMPLE_BACKUP_SUFFIX+set}" = set; then
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echo "$0: the SIMPLE_BACKUP_SUFFIX envvar is set --" \
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' unset it and rerun this test' >&2
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>&2
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exit 1
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fi
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