M.yml

name: Merge M3U

on:
  schedule:
    - cron: '0 * * * *'
  workflow_dispatch:

jobs:
  merge-m3u:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repo
        uses: actions/checkout@v3

      - name: Merge all M3U playlists
        run: |
          mkdir -p merged_tmp
          echo -n > merged_tmp/combined-playlist.m3u

          find . -type f -name "*.m3u" ! -path "./merged_tmp/*" ! -name "combined-playlist.m3u" | while read file; do
            base=$(basename "$file" .m3u)
            awk -v grp="$base" '
              NR == 1 && $0 == "#EXTM3U" { next }
              /^#EXTINF/ {
                if ($0 ~ /group-title="/) {
                  sub(/group-title="[^"]*"/, "group-title=\"" grp "\"")
                } else {
                  sub(/#EXTINF:/, "#EXTINF:-1 group-title=\"" grp "\",")
                }
                print
                getline
                print
                next
              }
              { print }
            ' "$file" >> merged_tmp/combined-playlist.m3u
          done

          sed -i '1i #EXTM3U' merged_tmp/combined-playlist.m3u
          mv merged_tmp/combined-playlist.m3u combined-playlist.m3u
          rm -rf merged_tmp

      - name: Commit and push merged playlist
        run: |
          git config user.name "${{ secrets.GIT_U }}"
          git config user.email "${{ secrets.GIT_E }}"
          git add combined-playlist.m3u
          if ! git diff --cached --quiet; then
            git commit -m "Auto-merged m3u playlists $(date -u +"%Y-%m-%d %H:%M UTC")"
            git pull --rebase --strategy-option=theirs origin main
            git push origin main
          else
            echo "No changes to commit"
          fi