set -o vi
set -o pipefail
set -o nounset
set -o errexit
set -e
shopt Bash buildin
set -o [ vi | pipefail | nounset | errexit ]
set, unset, set -o, set -x, set -e, set +e, set -E, set +b, set -u, $?, exit, return, trap, PostgreSQL SET
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