A GitHub action that performs static analysis of shell scripts using shellcheck, shfmt and checkbashisms

Job example to check all sh files but ignore the directory .terraform and file dir/example.sh

name: example
on:
  - pull_request
jobs:
  sh-checker:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Run the sh-checker
        uses: luizm/action-sh-checker@master
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          SHELLCHECK_OPTS: -e SC1004 # exclude some shellcheck warnings.
          SHFMT_OPTS: -s # arguments to shfmt.
        with:
          sh_checker_comment: true
          sh_checker_exclude: ".terraform ^dir/example.sh"

SHELLCHECK_OPTS: Used to specify shellcheck arguments.

SHFMT_OPTS: Used to specify shfmt arguments.

sh_checker_only_diff: (optional) Only check the files that were changed in the pull request. Default is to check all files in the repo.

sh_checker_exclude: (optional) Directory or file name that doesn't need to be checked.

sh_checker_comment: (optional) If true, it will show the errors as commentaries in the pull requests. Default is false.

sh_checker_shfmt_disable: (optional) If true, it will skip shfmt. Default is false.

sh_checker_shellcheck_disable: (optional) If true, it will skip shellcheck. Default is false.

sh_checker_checkbashisms_enable: (optional) If true, run checkbashisms tool against scripts. Default is false.

GITHUB_TOKEN: The GitHub API token used to post comments to pull requests. Required only if sh_checker_only_diff or sh_checker_comment is set to true.