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`bash -E` causes inheritance of the ERR trap into shell functions,
command substitutions, and commands executed in a subshell environment.
Because the `kubectl_retry` function depends on detection an error of a
subshell, the ERR trap is not needed to be executed. The trap contains
extra logging, and exits the script in the `rook.sh` case. The aborting
of the script is not wanted when a retry is expected to be done.
While checking for known failures, the `grep` command may exit with 1,
if there are no matches. That means, the `ret` variable will be set to
0, but there will also be an error exit status. This causes `bash -E` to
abort the function, and call the ERR trap.
Signed-off-by: Niels de Vos <ndevos@redhat.com>
(cherry picked from commit
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| .. | ||
| k8s-storage | ||
| build_step.inc.sh | ||
| build-multi-arch-image.sh | ||
| check-env.sh | ||
| codespell.conf | ||
| Dockerfile.devel | ||
| Dockerfile.test | ||
| golangci.yml.in | ||
| install-helm.sh | ||
| install-snapshot.sh | ||
| lint-extras.sh | ||
| lint-go.sh | ||
| mdl-style.rb | ||
| minikube.sh | ||
| psp.yaml | ||
| rook.sh | ||
| skip-doc-change.sh | ||
| snapshot-controller-psp.yaml | ||
| test-go.sh | ||
| travis-functest.sh | ||
| travis-helmtest.sh | ||
| utils.sh | ||