reusable_get_changed_plugins.yaml

# This is a reusable workflow used by main CI
on:
  workflow_call:
    outputs:
      changed-plugins:
        description: "A json-encoded array with the names of plugins to be used by the CI"
        value: ${{ jobs.get-values.outputs.changed-plugins }}

jobs:
  get-values:
    runs-on: ubuntu-latest
    outputs:
      changed-plugins: ${{ steps.set-changed-plugins.outputs.changed-plugins }}
    steps:
      - name: Checkout rules
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

      - name: Get changed files
        id: changed-plugins
        if: github.event_name == 'pull_request'
        uses: Ana06/get-changed-files@25f79e676e7ea1868813e21465014798211fad8c # v2.3.0
        with:
          format: space-delimited
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Get changed plugins
        id: set-changed-plugins
        run: |
          # if we skip changed-plugins because we're not in a pull-request,
          # then we consider all the rules contained in the repo
          all_files="${{ steps.changed-plugins.outputs.all }}"
          values=""
          if [ -z "$all_files" ]; then
            values=$(ls plugins)
          else
            for changed_file in $all_files; do
              if [[ ${changed_file} =~ ^plugins/.* ]]; then
                plugindir=$(echo ${changed_file} | sed -e 's/^plugins//' | sed -E 's_(/[^/]+).*_\1_')
                pluginname="${plugindir:1}"
                if [[ ! $values =~ "$pluginname" ]]; then
                  values="${values}$pluginname"$'\n'
                fi
              fi
            done
          fi
          echo "changed-plugins=$(echo "${values}" | jq -R -s -c 'split("\n")' | jq -c 'map(select(length > 0))')" >> $GITHUB_OUTPUT