Automating Musescore 3.6 PDF and MP3 Generation Using Github Actions

sudo apt install flatpak
sudo flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
sudo flatpak install -y --noninteractive flathub org.musescore.MuseScore          

MSCORE := "mscore"

MSCX_FILES = $(shell find . -name "*.mscx")
MSCZ_FILES = $(shell find . -name "*.mscz")
JOB_FILES = $(shell find . -name "*.json")

PDFS = $(MSCX_FILES:.mscx=.pdf) $(MSCZ_FILES:.mscz=.pdf)
MP3S = $(MSCX_FILES:.mscx=.mp3) $(MSCZ_FILES:.mscz=.mp3)
JOB_OUTS = $(JOB_FILES:.json=.job)

.PHONY: all
all: $(PDFS) $(MP3S) $(JOB_OUTS)

%.pdf: %.mscx
    $(MSCORE) -o $@ $<

%.mp3: %.mscx
    $(MSCORE) -o $@ $<

%.pdf: %.mscz
    $(MSCORE) -o $@ $<

%.mp3: %.mscz
    $(MSCORE) -o $@ $<

# mark the output of this job as secondary so make does not delete the intermediate files
.SECONDARY:%.job
%.job: %.json
    # Create a file at the beginning of the job
    # Add to it a list of any files which were created in this
    # directory after the job is done running. This allows for
    # a full clean of the directory
    # 
    # CAVEAT: This does not work well for parrallel builds using make
    touch $@.tmp
    cd $(dir $(abspath $<)) && $(MSCORE) -j $(notdir $<) 
    find "." -type f -newer "$@.tmp" >> $@
    rm $@.tmp

.PHONY: clean
clean:
    # Remove all files referenced by job files
    -for job_file in ${JOB_OUTS}; do cat $$job_file | xargs rm; done
    -rm -r $(JOB_OUTS)
    -rm -r $(PDFS) $(MP3S)

# mark the output of this job as secondary so make does not delete the intermediate files
.SECONDARY:%.job
%.job: %.json
    # Create a file at the beginning of the job
    # Add to it a list of any files which were created in this
    # directory after the job is done running. This allows for
    # a full clean of the directory
    # 
    # CAVEAT: This does not work well for parrallel builds using make
    touch $@.tmp
    # cd to the directory the json file is so that we can parse relative
    # paths properly in the json file.
    cd $(dir $(abspath $<)) && $(MSCORE) -j $(notdir $<) 
    # Find all files created since $@.tmp was created
    find "$(dir $(abspath $<))" -type f -newer "$@.tmp" >> $@
    # Remove the temporary file and just leave the job file.
    rm $@.tmp

# This is a basic workflow to help you get started with Actions

name: CI

# Controls when the action will run. 
on:
  # Triggers the workflow on push or pull request events but only for the main branch
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2
      # Install flatpak and the MuseScore 3.6 flatpak
      - name: Install musescore 3.6
        run: |
          sudo apt install flatpak
          sudo flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
          sudo flatpak install -y --noninteractive flathub org.musescore.MuseScore                    
      # Create a Virtual X Frame Buffer and run the makefile inside of it using the flatpak installation
      # of musescore
      - name: Run Makefile to make PDFs, MP3s, etc
        uses: GabrielBB/xvfb-action@v1
        with:
          working-directory: ./ #optional
          run: make MSCORE="flatpak run org.musescore.MuseScore"
      - name: Add Commit and Push
        run: |
          git config --global user.email "email@address"
          git config --global user.name "MuseScore 3 Bot"
          git add .
          git commit -am "Updating pdfs and mp3s"
          git push