build.yml

name: Build

on:
  push:
    branches: [ main ]
  schedule:
    - cron: '0 0 * * *'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v3
      with:
        fetch-depth: 0
    - name: Build
      shell: bash
      run: |
        # Configure git to be more predictable and deterministic
        git config core.autocrlf false
        git config core.ignorecase false
        git config core.fscache true
        git config core.longpaths true
        git config diff.renameLimit 0
        git config status.renameLimit 0
        git config merge.renameLimit 0
        git config http.lowSpeedLimit 0
        git config http.lowSpeedTime 300
        git config http.postBuffer 1048576000
        git config pack.threads 1
        git config index.threads 0
        
        # Check Electron version on npm
        export electron_version=$(curl -sS 'https://registry.npmjs.org/electron' | python -c "import sys, json; print(json.load(sys.stdin)['dist-tags']['latest'])")
        if [ -f "package.json" ] && [ $electron_version == $(cat package.json | python -c "import sys, json; print(json.load(sys.stdin)['version'])") ]; then
            exit 0
        fi
        
        # Roll back the repository
        git reset --hard $(git rev-list --max-parents=0 HEAD)
        git clean -dffx
        
        # Install using npm 6
        # Later versions fail to create a sane dependency tree in some situations
        export npm_version=$(curl -sS 'https://registry.npmjs.org/npm' | python -c "import sys, json; print(json.load(sys.stdin)['dist-tags']['latest-6'])")
        wget -nv -O "npm-$npm_version.tgz" "https://registry.npmjs.org/npm/-/npm-$npm_version.tgz"
        mkdir -p "bin/npm"
        tar -xzf "npm-$npm_version.tgz" --strip-components=1 -C "bin/npm"
        rm "npm-$npm_version.tgz"
        
        # Initialize dummy package
        node bin/npm/bin/npm-cli.js init -y
        sed -i 's/"name": "electron"/"name": "npm"/' -- 'package.json'
        
        # Install Electron as a dependency
        node bin/npm/bin/npm-cli.js install --no-audit --no-bin-links --no-fund --ignore-scripts --no-optional "electron@$electron_version"
        
        # Remove npm
        rm -r bin/
        rm package.json
        rm package-lock.json
        
        # Delete install script since it doesn't function without dependencies
        rm node_modules/electron/install.js
        
        # Modify package.json to match the Electron tarball from npm
        sed -i -z 's|\n  "_phantomChildren": {\n    "[a-zA-Z0-9\n -"'\''-*,./:@_~-]*\n  },\n|\n|' -- 'node_modules/electron/package.json'
        sed -i '/"_requested": {/,/}/d' -- 'node_modules/electron/package.json'
        sed -i '/"_requiredBy": \[/,/\]/d' -- 'node_modules/electron/package.json'
        sed -i '/"bugs": {/,/}/d' -- 'node_modules/electron/package.json'
        sed -i '/"scripts": {/,/}/d' -- 'node_modules/electron/package.json'
        sed -i '/"dependencies": {/,/}/d' -- 'node_modules/electron/package.json'
        sed -i '/"engines": {/,/}/d' -- 'node_modules/electron/package.json'
        sed -i '/"_from":/d' -- 'node_modules/electron/package.json'
        sed -i '/"_id":/d' -- 'node_modules/electron/package.json'
        sed -i '/"_inBundle":/d' -- 'node_modules/electron/package.json'
        sed -i '/"_integrity":/d' -- 'node_modules/electron/package.json'
        sed -i '/"_location":/d' -- 'node_modules/electron/package.json'
        sed -i '/"_phantomChildren":/d' -- 'node_modules/electron/package.json'
        sed -i '/"_resolved":/d' -- 'node_modules/electron/package.json'
        sed -i '/"_shasum":/d' -- 'node_modules/electron/package.json'
        sed -i '/"_spec":/d' -- 'node_modules/electron/package.json'
        sed -i '/"_where":/d' -- 'node_modules/electron/package.json'
        sed -i '/"bundleDependencies":/d' -- 'node_modules/electron/package.json'
        sed -i '/"deprecated":/d' -- 'node_modules/electron/package.json'
        sed -i '/"homepage":/d' -- 'node_modules/electron/package.json'
        sed -i -z 's/  "author": {\n    "name": "Electron Community"\n  },/  "author": "Electron Community",/' -- 'node_modules/electron/package.json'
        sed -i -z 's|  "repository": {\n    "type": "git",\n    "url": "git+https://github.com/electron/electron.git"\n  },|  "repository": "https://github.com/electron/electron",|' -- 'node_modules/electron/package.json'
        
        # Pretend we ran the install script
        echo -n "electron" > "node_modules/electron/path.txt"
        
        # Add Electron to the repository
        rsync -avv --exclude='node_modules/' node_modules/electron/ .
        rm -r node_modules/
        git add -f .
        
        # Push to GitHub
        git -c user.name="GitHub" -c user.email="noreply@github.com" commit --author="github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>" -m"$electron_version" | sed -n 1p
        git tag -f "$electron_version"
        git push --force
        git push -f origin "refs/tags/$electron_version:refs/tags/$electron_version"