mirrorer/.forgejo/workflows/sync-community.yml

on:
  workflow_dispatch:

  schedule:
    - cron: '0 */4 * * *'

jobs:
  mirror-community:
    name: Mirror community apks downstream
    runs-on: x86_64
    container:
      image: alpine:latest
    env:
      upstream: https://dl-cdn.alpinelinux.org/alpine/edge/community
      downstream: https://ayakael.net/api/packages/alpine/alpine/edge/community
    steps:
      - name: Environment setup
        run: apk add grep coreutils gawk curl wget
      - name: Fetch info from upstream
        run: |
          apk --allow-untrusted --update-cache --repositories-file /dev/null --repository $upstream update
          apk --allow-untrusted --update-cache --repositories-file /dev/null --repository $upstream list | grep -v installed | awk '{print $1, $2}' | sort > upstream
      - name: Fetch info from downstream
        run: |
          ! apk --allow-untrusted --update-cache --repositories-file /dev/null --repository $downstream update
          apk --allow-untrusted --update-cache --repositories-file /dev/null --repository $downstream list | grep -v installed | awk '{print $1, $2}' | sort > downstream
      - name: Missing apks detection
        run: |
          comm -23 upstream downstream | awk '{print $1}' > missing
          echo "Missing apks:"
          cat missing
      - name: Send missing packages downstream
        run: |
          wc -l missing | awk '{print $1}' > total
          read total < total
          count=1
          while read pkgs; do
            echo "[ $count / $total ] Sending $pkgs"
            # github actions doesn't do double pipe error suppression, use !
            ! wget -q $upstream/x86_64/$pkgs.apk
            # if it doesn't exist, it is because it failed to download. 
            if [ -f $pkgs.apk ]; then
              result=`curl -s --user ${{ vars.CODE_FORGEJO_USER }}:${{ secrets.CODE_FORGEJO_TOKEN }} --upload-file $pkgs.apk $downstream`
              if [ -n "$result" ]; then
                echo $result
              fi
              rm -f $pkgs.apk
            else
              echo "Error: Couldn't download $pkgs"
            fi
            count=$(( count + 1 ))
          done < missing