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feat(bash): add script hardening notes

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Marcello 2022-11-01 23:25:46 +01:00
parent 9eb30ca5c3
commit 503556fb96
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docs/bash/scripting.md
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@ -258,3 +258,16 @@ for var in iterable ; do
# command here # command here
done done
``` ```
## Script Hardening
```sh
set -o errexit # exit on error
set -o nounset # fail on unset variable (bypass with ${VAR:-})
set -o pipefail # file entire pipeline if one step fails
# hook to enable tracing
if [[ "${TRACE-0}" == "1" ]]; then
set -o xtrace
fi
```