Azure DevOps Docker for Mac installation

azure-pipelines.yml

pool:
  vmImage: 'macOS-10.13'

steps:
- bash: |
    brew cask install docker # grabs Docker for Mac
    set -x
    echo "Running xattr" # I think brew is supposed to do this but I was still prompted to "trust" it if I didn't
    xattr -d -r com.apple.quarantine /Applications/Docker.app 
    echo "Running Docker as root to install helpers"
    echo "All docker/docker-compose commands will require 'sudo' due to the above requirement"
    sudo -b /Applications/Docker.app/Contents/MacOS/Docker # -b puts it into the background so this script can continue
    echo "Taking a break..."
    sleep 15 # This could be improved by using osascript to wait for a Docker window instead
    echo "Hit next on startup wizard"
    echo "osascript interactions may break in future macOS versions like Mojave if the Accessibility permissions aren't enabled"
    osascript -s o -e 'tell application "Docker"' -e 'activate' -e 'tell application "System Events" to key code 36' -e 'end tell'
    echo "Wait for docker system info to respond"
    set +x
    sleep 5
    while ! sudo /Applications/Docker.app/Contents/Resources/bin/docker system info > /dev/null 2>&1; do sleep 1; done;
    echo "Docker is ready and available"
    set -x
    sudo docker ps
    # Note that opening the app to "complete" the installation creates the system-wide symlinks
    ls -lA /usr/local/bin/docker* /var/run/docker*
    sleep 1
    sudo docker system info
    echo "Docker install complete"
    
- script: sudo docker run --rm hello-world