changelog.yaml

---
name: Generate CHANGELOG.md

on:
  workflow_dispatch:
  schedule:
    - cron: "0 0 1 */1 *"  # Runs on the first of every month

jobs:
  update_changelog:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Pull latest Alpine and get SHA256
        run: |
          docker pull alpine:latest
          ALPINE_SHA=$(docker image inspect alpine:latest --format '{{index .RepoDigests 0}}' | cut -d'@' -f2)
          echo "ALPINE_SHA=$ALPINE_SHA" >> $GITHUB_ENV

      - name: Check versions of openssh-server, gnupg, and curl
        run: |
          docker run --rm alpine:latest sh -c '
           apk update &&
           apk add --no-cache openssh-server gnupg curl &&
           apk info -w openssh-server gnupg curl' | tail -n6 > versions.txt

          cat versions.txt

          OPENSSH_VER=$(grep -o 'openssh-server-.*' versions.txt | awk '{print $1}')
          GNUPG_VER=$(grep -o 'gnupg-.*' versions.txt | awk '{print $1}')
          CURL_VER=$(grep -o 'curl-.*' versions.txt | awk '{print $1}')

          echo $OPENSSH_VER
          echo $GNUPG_VER
          echo $CURL_VER

          echo "OPENSSH_VER=$OPENSSH_VER" >> "$GITHUB_ENV"
          echo "GNUPG_VER=$GNUPG_VER" >> "$GITHUB_ENV"
          echo "CURL_VER=$CURL_VER" >> "$GITHUB_ENV"

      - name: Update CHANGELOG.md
        run: |
          DATE=$(date '+%Y-%m')
          echo "## $DATE" >> CHANGELOG.md
          echo "----------------" >> CHANGELOG.md
          echo "- Alpine SHA256: $ALPINE_SHA" >> CHANGELOG.md
          echo "- openssh-server version: $OPENSSH_VER" >> CHANGELOG.md
          echo "- gnupg version: $GNUPG_VER" >> CHANGELOG.md
          echo "- curl version: $CURL_VER" >> CHANGELOG.md

          cat CHANGELOG.md

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v7
        with:
          branch: "feature/update-alpine-$(date '+%Y-%m')"
          commit-message: "Generate CHANGELOG.md for $(date '+%Y-%m')"
          title: "Generate CHANGELOG.md for $(date '+%Y-%m')"
          body: |
            Base image updated to Alpine SHA256: ${{ env.ALPINE_SHA }}
            - openssh-server version: ${{ env.OPENSSH_VER }}
            - gnupg version: ${{ env.GNUPG_VER }}
            - curl version: ${{ env.CURL_VER }}

            Auto-generated by [create-pull-request][1]

            [1]: https://github.com/peter-evans/create-pull-request
          labels: "automated update"