Attempt some nix

action.yml

@@ -47,78 +47,23 @@ runs:
             echo "Running on supported architecture: ${arch_name}"
         fi
       shell: bash
-    - name: Update Homebrew
+    - uses: DeterminateSystems/nix-installer-action@main
+    - name: Check nix channel
       run: |
-        echo "::group::Updating Homebrew"
-        brew update --preinstall
-        echo "::endgroup::"
-      shell: bash
-    - name: Install Lima
-      env:
-        GH_TOKEN: ${{ github.token }}
-        INPUT_LIMA: ${{ inputs.lima }}
-      run: |
-        if [ $INPUT_LIMA == "latest" ]
-        then
-            LIMA_VERSION=$(gh release -R lima-vm/lima view --json tagName -q ".tagName")
-        else
-            LIMA_VERSION=$INPUT_LIMA
-        fi
-
-        echo "::group::Installing Lima version $LIMA_VERSION"
-        curl -fsSL "https://github.com/lima-vm/lima/releases/download/${LIMA_VERSION}/lima-${LIMA_VERSION:1}-$(uname -s)-$(uname -m).tar.gz" | tar Cxzvm /usr/local
-        echo "::endgroup::"
+        nix-channel --list
+        nix-channel --update
       shell: bash
     - name: Install Colima
-      env:
-        GH_TOKEN: ${{ github.token }}
-        INPUT_COLIMA: ${{ inputs.colima }}
-      run: |
-        if [ $INPUT_COLIMA == "latest" ]
-        then
-            COLIMA_VERSION=$(gh release -R abiosoft/colima view --json tagName -q ".tagName")
-        else
-            COLIMA_VERSION=$INPUT_COLIMA
-        fi
-
-        echo "::group::Installing Colima version $COLIMA_VERSION"
-        curl -LO https://github.com/abiosoft/colima/releases/download/${COLIMA_VERSION}/colima-$(uname)-$(uname -m)
-
-        # install in $PATH
-        install colima-$(uname)-$(uname -m) /usr/local/bin/colima
-        echo "::endgroup::"
-      shell: bash
-    - name: Install QEMU, Docker client, and Docker Compose
-      env:
-        HOMEBREW_NO_AUTO_UPDATE: "1"
-        HOMEBREW_NO_INSTALL_UPGRADE: "1"
-        HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK: "1"
       run: |
-        echo "::group::Installing QEMU, Docker client, and Docker Compose"
-        brew install docker docker-compose qemu 2>&1 | tee install.log
+        echo "::group::Installing Colima"
+        nix-env -iA nixpkgs.colima
         echo "::endgroup::"
       shell: bash
     - name: Configure Docker Compose plugin
       run: |
         mkdir -p ~/.docker/cli-plugins
         ln -sfn "$(brew --prefix)/opt/docker-compose/bin/docker-compose" ~/.docker/cli-plugins/docker-compose
       shell: bash
-    - name: Check QEMU version
-      if: inputs.upgrade-qemu != 'true'
-      run: |
-        if grep -q "qemu 8.1.0 is already installed" install.log
-        then
-            echo "Detected broken QEMU bottle installed by brew, removing and reinstalling."
-            brew reinstall qemu
-        fi
-      shell: bash
-    - name: Upgrade QEMU
-      if: inputs.upgrade-qemu == 'true'
-      env:
-        HOMEBREW_NO_AUTO_UPDATE: "1"
-        HOMEBREW_NO_INSTALL_UPGRADE: "1"
-      run: brew upgrade qemu
-      shell: bash
     - name: Start Colima
       env:
         COLIMA_NETWORK_ADDRESS: ${{ inputs.colima-network-address }}