steps:
  - checkout: self
    fetchDepth: 1
    retryCountOnTaskFailure: 3

  - task: NodeTool@0
    inputs:
      versionSource: fromFile
      versionFilePath: .nvmrc
      nodejsMirror: https://github.com/joaomoreno/node-mirror/releases/download

  - script: node build/setup-npm-registry.js $NPM_REGISTRY
    condition: and(succeeded(), ne(variables['NPM_REGISTRY'], 'none'))
    displayName: Setup NPM Registry

  - script: mkdir -p .build && node build/azure-pipelines/common/computeNodeModulesCacheKey.js linux $VSCODE_ARCH > .build/packagelockhash
    displayName: Prepare node_modules cache key

  - task: Cache@2
    inputs:
      key: '"node_modules" | .build/packagelockhash'
      path: .build/node_modules_cache
      cacheHitVar: NODE_MODULES_RESTORED
    displayName: Restore node_modules cache

  - script: tar -xzf .build/node_modules_cache/cache.tgz
    condition: and(succeeded(), eq(variables.NODE_MODULES_RESTORED, 'true'))
    displayName: Extract node_modules cache

  - script: |
      set -e
      # Set the private NPM registry to the global npmrc file
      # so that authentication works for subfolders like build/, remote/, extensions/ etc
      # which does not have their own .npmrc file
      npm config set registry "$NPM_REGISTRY"
      echo "##vso[task.setvariable variable=NPMRC_PATH]$(npm config get userconfig)"
    condition: and(succeeded(), ne(variables.NODE_MODULES_RESTORED, 'true'), ne(variables['NPM_REGISTRY'], 'none'))
    displayName: Setup NPM

  - task: npmAuthenticate@0
    inputs:
      workingFile: $(NPMRC_PATH)
    condition: and(succeeded(), ne(variables.NODE_MODULES_RESTORED, 'true'), ne(variables['NPM_REGISTRY'], 'none'))
    displayName: Setup NPM Authentication

  - script: |
      set -e
      ./build/azure-pipelines/linux/apt-retry.sh sudo apt-get update
      ./build/azure-pipelines/linux/apt-retry.sh sudo apt-get install -y libkrb5-dev
    displayName: Setup system services
    condition: and(succeeded(), ne(variables.NODE_MODULES_RESTORED, 'true'))

  - script: |
      set -e
      for i in {1..5}; do # try 5 times
        npm ci && break
        if [ $i -eq 5 ]; then
          echo "Npm install failed too many times" >&2
          exit 1
        fi
        echo "Npm install failed $i, trying again..."
      done
    env:
      ELECTRON_SKIP_BINARY_DOWNLOAD: 1
      PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
      GITHUB_TOKEN: "$(github-distro-mixin-password)"
    displayName: Install dependencies
    condition: and(succeeded(), ne(variables.NODE_MODULES_RESTORED, 'true'))

  - script: |
      set -e
      node build/azure-pipelines/common/listNodeModules.js .build/node_modules_list.txt
      mkdir -p .build/node_modules_cache
      tar -czf .build/node_modules_cache/cache.tgz --files-from .build/node_modules_list.txt
    condition: and(succeeded(), ne(variables.NODE_MODULES_RESTORED, 'true'))
    displayName: Create node_modules archive