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Replace ludeeus/action-shellcheck with a direct, checksum-verified download - #5

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dduugg merged 1 commit into
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shellcheck-direct-download
Aug 31, 2026
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Replace ludeeus/action-shellcheck with a direct, checksum-verified download#5
dduugg merged 1 commit into
mainfrom
shellcheck-direct-download

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@dduugg

@dduugg dduugg commented Aug 31, 2026

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Summary

  • Replaces the ludeeus/action-shellcheck step in ci.yml's lint job with a direct, checksum-verified download of the official koalaman/shellcheck v0.11.0 Linux binary.
  • ludeeus/action-shellcheck hasn't been pushed to since June 2024 and has 18 open issues. Rather than swap to a different third-party wrapper (e.g. reviewdog/action-shellcheck, which is healthier but still just a wrapper), this drops the wrapper layer entirely and downloads shellcheck the same way this repo already handles actionlint in the step right below it, and the same way action.sh downloads rubyfmt itself: pin an exact version, verify a checksum, run the binary directly.
  • No behavior change: still scans every *.sh file in the repo (action.sh, support/sync-versions.sh).

Test plan

  • Verified the download → checksum → extract sequence locally.
  • zizmor --persona=regular . reports no findings.
  • actionlint passes.
  • CI passes on this PR (confirms the binary actually runs and finds the same clean result on ubuntu-latest).

…wnload

ludeeus/action-shellcheck hasn't been pushed to since June 2024. Rather
than swap to a different third-party wrapper action, download the
official koalaman/shellcheck release binary directly and verify its
checksum, matching how this repo already handles actionlint and how
action.sh handles rubyfmt itself.
@dduugg
dduugg merged commit d1f797a into main Aug 31, 2026
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