- set +o pipefail
- LC_MESSAGES=C "$@" 2>&1 | tee $tmp/t.output
- local ps="${PIPESTATUS[*]}"
- set -o pipefail
-
- case $ps in
- "0 0") fail "command unexpectedly succeeded (instead of: $mpat)" ;;
- *" 0") ;;
- *) fail "tee failed" ;;
- esac
-
- $grepper -e "$mpat" $tmp/t.output ||
- fail "error message not found"