name: ci/gh-actions/copyright
on:
  workflow_dispatch:
  schedule:
    - cron: '0 0 1 1 *'
jobs:
  createPullRequest:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Make changes to pull request
        continue-on-error: true
        shell: bash
        run: |
          year=$(date +%Y)
          echo "YEAR=$(echo $year)" >> $GITHUB_ENV
          find . -print0 | while IFS= read -r -d '' file
          do
              if [[ -d $file ]] || [[ $file == *".git"* ]]; then
                  continue
              fi
              line=$(grep .*Copyright.*Monero.* $file || true)
              if [[ -z $line ]]; then
                  continue
              fi
              fromTo=$(grep -o "[0-9]\{4\}-[0-9]\{4\}" <<< $line || true)
              if [[ ! -z $fromTo ]]; then
                  # string contains "FROM-TO"
                  # we need to replace FROM with current year
                  to=$(awk '{split($0, array, "-"); print array[2]}' <<< ${fromTo})
                  repl=${line/"$to"/"$year"}
              else
                  # we only have a FROM year
                  # find occurance of 4 digits
                  from=$(grep -o "[0-9]\{4\}" <<< $line || true)
                  fromTo="${from}-${year}"
                  # replace FROM with FROM-TO
                  repl=${line/"$from"/"$fromTo"}
              fi
              sed -i "s|${line}|${repl}|g" $file
          done
      - name: Create Pull Request
        id: cpr
        uses: peter-evans/create-pull-request@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: "Copyright: Update to ${{ env.YEAR }}"
          committer: GitHub <noreply@github.com>
          author: copyCat <copy@Cat.com>
          signoff: false
          branch: bump-copyright-year
          delete-branch: true
          title: "Copyright: Update to ${{ env.YEAR }}"
          body: |
            Happy new year!
          draft: false