Add shellcheck to pre-commit and fix warnings #17778
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Description
shellcheck
is a fast, static analysis tool for shell scripts. It's good atflagging up unused variables, unintentional glob expansions, and other potential
execution and security headaches that arise from the wonders of
bash
(andother shlangs).
This PR adds a
pre-commit
hook to runshellcheck
on all of thesh-lang
files in the
ci/
directory, and the changes requested byshellcheck
to makethe existing files pass the check.
xref: rapidsai/build-planning#135
Checklist