Install DMG Action

This action mounts a DMG file and runs an installer. Only supported on macOS runners as it uses the hdiutil command.

Inputs

Name	Description	Required	Default
dmg	The DMG file to mount. none means skip	false	none
installer	pkg installer to run. none means skip	false	none
detach	Detach Volume	false	true

Outputs

Name	Description
directory	Directory of mounted volume

Example

Downloads a release DMG from another repo, mounts the DMG, and runs the installer in the image.

jobs:
  build:
    runs-on: macos-14
    env:
       MACFUSE_VERSION: 4.8.2

    steps:
    - name: Checkout code
      uses: actions/checkout@v5

    - name: Download macFUSE
      uses: dsaltares/fetch-gh-release-asset@master
      with:
        repo: macfuse/macfuse
        version: tags/macfuse-${{ env.MACFUSE_VERSION }}
        file: macfuse-${{ env.MACFUSE_VERSION }}.dmg
        target: macfuse.dmg

    - name: Install macFUSE
      uses: noworrieseh/install-dmg-action@v1
      with:
        dmg: macfuse.dmg
        installer: "Install macFUSE.pkg"