---
repos:
  - repo: local
    hooks:
      - id: hugo-version-check
        name: hugo version check
        entry: |
          bash -c "
            files='.drone.yml Containerfile'
            count=$(grep -oE '( |hugo-v)[0-9].[0-9].[0-9].[0-9]' $files | cut -d':' -f2 | sed -e 's/^ *//g' -e 's/hugo-v//g' | uniq | wc -l)
            if [ $count -gt 1 ]; then
              echo hugo versions inconsistent:
              grep -noE --color=always '( |hugo-v)[0-9].[0-9].[0-9].[0-9]' $files
              exit 1
            fi
          "
        language: system
        pass_filenames: false
...