try to use a non-docker based guix build?

.github/workflows/guix-build.yml

@@ -10,62 +10,8 @@ on:
   push:
 
 jobs:
-  build-image:
-    runs-on: ubuntu-latest
-    outputs:
-      image-tag: ${{ steps.prepare.outputs.image-tag }}
-      repo-name: ${{ steps.prepare.outputs.repo-name }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          ref: ${{ github.event.pull_request.head.sha }}
-          path: dash
-          fetch-depth: 0
-
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Commit variables
-        id: prepare
-        run: |
-          echo "hash=$(sha256sum ./dash/contrib/containers/guix/Dockerfile | cut -d ' ' -f1)" >> $GITHUB_OUTPUT
-          echo "host_user_id=$(id -u)" >> $GITHUB_OUTPUT
-          echo "host_group_id=$(id -g)" >> $GITHUB_OUTPUT
-          BRANCH_NAME=$(echo "${GITHUB_REF##*/}" | tr '[:upper:]' '[:lower:]')
-          REPO_NAME=$(echo "${{ github.repository }}" | tr '[:upper:]' '[:lower:]')
-          echo "image-tag=${BRANCH_NAME}" >> $GITHUB_OUTPUT
-          echo "repo-name=${REPO_NAME}" >> $GITHUB_OUTPUT
-
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Build Docker image
-        uses: docker/build-push-action@v6
-        with:
-          context: ${{ github.workspace }}/dash
-          build-args: |
-            USER_ID=${{ steps.prepare.outputs.host_user_id }}
-            GROUP_ID=${{ steps.prepare.outputs.host_group_id }}
-          build-contexts: |
-            docker_root=${{ github.workspace }}/dash/contrib/containers/guix
-          file: ./dash/contrib/containers/guix/Dockerfile
-          push: true
-          tags: |
-            ghcr.io/${{ steps.prepare.outputs.repo-name }}/dashcore-guix-builder:${{ steps.prepare.outputs.image-tag }}
-            ghcr.io/${{ steps.prepare.outputs.repo-name }}/dashcore-guix-builder:latest
-          cache-from: type=registry,ref=ghcr.io/${{ steps.prepare.outputs.repo-name }}/dashcore-guix-builder:latest
-          cache-to: type=inline,mode=max
-
   build:
-    needs: build-image
-    # runs-on: [ "self-hosted", "linux", "x64", "ubuntu-core" ]
     runs-on: ubuntu-latest
-#    if: ${{ contains(github.event.pull_request.labels.*.name, 'guix-build') }}
     strategy:
       matrix:
         build_target: [x86_64-linux-gnu, arm-linux-gnueabihf, aarch64-linux-gnu, riscv64-linux-gnu, x86_64-w64-mingw32, x86_64-apple-darwin, arm64-apple-darwin]
@@ -79,36 +25,30 @@ jobs:
           path: dash
           fetch-depth: 0
 
+      - name: Install Guix
+        uses: PastaPastaPasta/guix-install-action@v1
+
       - name: Cache Guix and depends
         id: guix-cache-restore
         uses: actions/cache@v3
         with:
           path: |
-            ${{ github.workspace }}/.cache
+            /gnu/store
+            /var/guix
+            ~/.cache/guix
             ${{ github.workspace }}/dash/depends/built
             ${{ github.workspace }}/dash/depends/sources
             ${{ github.workspace }}/dash/depends/work
-            /gnu/store
           key: ${{ runner.os }}-guix-${{ matrix.build_target }}-${{ github.sha }}
           restore-keys: |
             ${{ runner.os }}-guix-${{ matrix.build_target }}
             ${{ runner.os }}-guix-
 
-      - name: Create .cache folder if missing
-        if: steps.guix-cache-restore.outputs.cache-hit != 'true'
-        run: mkdir -p .cache
-
       - name: Run Guix build
         timeout-minutes: 480
+        working-directory: ./dash
         run: |
-          docker run --privileged -d --rm -t \
-            --name guix-daemon \
-            -e ADDITIONAL_GUIX_COMMON_FLAGS="--max-jobs=$(nproc --all)" \
-            -v ${{ github.workspace }}/dash:/src/dash \
-            -v ${{ github.workspace }}/.cache:/home/ubuntu/.cache \
-            -w /src/dash \
-            ghcr.io/${{ needs.build-image.outputs.repo-name }}/dashcore-guix-builder:${{ needs.build-image.outputs.image-tag }} && \
-          docker exec guix-daemon bash -c 'HOSTS=${{ matrix.build_target }} /usr/local/bin/guix-start'
+          HOSTS=${{ matrix.build_target }} ./contrib/guix/guix-build
 
       - name: Ensure build passes
         run: |
@@ -118,9 +58,10 @@ jobs:
           fi
 
       - name: Compute SHA256 checksums
-        continue-on-error: true # It will complain on depending on only some hosts
+        continue-on-error: true
+        working-directory: ./dash
         run: |
-          HOSTS=${{ matrix.build_target }} ./dash/contrib/containers/guix/scripts/guix-check ${{ github.workspace }}/dash
+          HOSTS=${{ matrix.build_target }} ./contrib/guix/guix-verify
 
       - name: Upload build artifacts
         uses: actions/upload-artifact@v4
@@ -132,4 +73,4 @@ jobs:
       - name: Attest build provenance
         uses: actions/attest-build-provenance@v1
         with:
-          subject-path: ${{ github.workspace }}/dash/guix-build*/output/${{ matrix.build_target }}/*
+          subject-path: ${{ github.workspace }}/dash/guix-build*/output/${{ matrix.build_target }}/*