Handle update of fog-ros-baseimage update

.github/workflows/tii-mocap-pose.yaml

@@ -1,6 +1,8 @@
 name: tii-mocap-pose
 
 on:
+  repository_dispatch:
+    types: [fog-ros-baseimage-update]
   push:
 
 jobs:
@@ -13,6 +15,18 @@ jobs:
 
       - uses: docker/setup-buildx-action@v1
 
+      - name: Set image tag format without suffix
+        run: |
+          echo "IMAGE_TAG_FORMAT=type=sha" >> $GITHUB_ENV
+        if: github.event_name == 'push'
+
+      - name: Set image tag format with suffix
+        # it is possible that run_number should be used instead run_attempt
+        # run_attempt is unique number on every run and run_attempt resets to 1 if re-build is not used
+        run: |
+          echo "IMAGE_TAG_FORMAT=type=sha,suffix=-${{ github.event.client_payload.run_attempt }}" >> $GITHUB_ENV
+        if: github.event_name == 'repository_dispatch'
+
       - name: Docker meta
         id: meta
         uses: docker/metadata-action@v3
@@ -21,8 +35,8 @@ jobs:
           tags: |
             type=ref,event=branch
             type=semver,pattern={{version}}
-            type=sha
             type=raw,value=latest
+            ${{ env.IMAGE_TAG_FORMAT }}
 
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v1