allow for extra build-args

.gitea/workflows/simple-container.yaml

@@ -31,6 +31,11 @@ on:
         required: false
         type: string
         default: development
+      extra-build-args:
+        description: "Extra build args to pass to the Docker build, separate by space"
+        required: false
+        type: string
+        default: ""
         
     secrets:
       PASSWORD:
@@ -43,6 +48,7 @@ env:
   LABEL: ${{ inputs.package-label }}
   ARTIFACT_UPLOAD: ${{ env.ACT_EXEC == 'true' && 'actions/upload-artifact@v2' || 'actions/upload-artifact@v3' }}
   ARTIFACT_DOWNLOAD: ${{ env.ACT_EXEC == 'true' && 'actions/download-artifact@v2' || 'actions/download-artifact@v3' }}
+  EXTRA_ARGS: ${{ inputs.extra-build-args }}
 
 jobs:
 
@@ -71,7 +77,14 @@ jobs:
 
       - name: Build container
         run: |
-          buildah build -f ${{inputs.dockerfile}} --build-arg GIT_TOKEN=${{secrets.GIT_TOKEN}} --build-arg VERSION=${{inputs.version}} -t gitea.ampenberger.com/${{inputs.git_user}}/${PACKAGE_NAME}:${LABEL}
+          # split the extra-args and construct build-arg parameters
+          set -- ${EXTRA_ARGS}
+          args=""
+          for p in "$@"; do
+            args="$args --build-arg ${p}"
+          done
+
+          buildah build -f ${{inputs.dockerfile}} --build-arg GIT_TOKEN=${{secrets.GIT_TOKEN}} --build-arg VERSION=${{inputs.version}} ${args} -t gitea.ampenberger.com/${{inputs.git_user}}/${PACKAGE_NAME}:${LABEL}
           
           echo "Built ${PACKAGE_NAME}:${LABEL}"
           buildah images