Prep fkas directory for build

Signed-off-by: peppi-lotta <[email protected]>

Author: peppi-lotta

.github/workflows/build-fkas-images-action.yml

@@ -6,14 +6,31 @@ on:
     - 'main'
     paths:
     - 'hack/fake-apiserver/**'
+    - 'api/**''
 
 permissions:
   contents: read
 
 jobs:
+  prepare:
+    name: Prepare FKAS build
+    if: github.repository == 'metal3-io/cluster-api-provider-metal3'
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+    - name: Prepare fake-apiserver
+      run: |
+        mkdir -p hack/fake-apiserver/capm3
+        cp -r api/ hack/fake-apiserver/capm3
+        cd hack/fake-apiserver
+        go mod edit -replace=github.com/metal3-io/cluster-api-provider-metal3=./capm3
+        go mod tidy
+
   build_FKAS:
     name: Build Metal3-FKAS image
     if: github.repository == 'metal3-io/cluster-api-provider-metal3'
+    needs: prepare
     uses: metal3-io/project-infra/.github/workflows/container-image-build.yml@main
     with:
       image-name: "metal3-fkas"
@@ -22,4 +39,4 @@ jobs:
     secrets:
       QUAY_USERNAME: ${{ secrets.QUAY_USERNAME }}
       QUAY_PASSWORD: ${{ secrets.QUAY_PASSWORD }}
-      SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
+      SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}