Rewrite digests step to loop over architecture artifacts dynamically (#73)

* Initial plan

* Rewrite digests step to loop over architecture artifacts and use 'all' output

Co-authored-by: wdconinc <4656391+wdconinc@users.noreply.github.com>

* Fix leading space issue and use nullglob for glob pattern handling

Co-authored-by: wdconinc <4656391+wdconinc@users.noreply.github.com>

* Add error handling when no digest files are found

Co-authored-by: wdconinc <4656391+wdconinc@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: wdconinc <4656391+wdconinc@users.noreply.github.com>

Author: Copilot

.github/workflows/build-push.yml

@@ -272,29 +272,42 @@ jobs:
       - name: Analyze digest artifacts
         id: digests
         run: |
-          # Read the digests from the files
-          DIGEST_AMD64=$(cat /tmp/digests/${{ matrix.BUILD_IMAGE }}-amd64.digest)
-          if [ -f /tmp/digests/${{ matrix.BUILD_IMAGE }}-arm64.digest ]; then
-            DIGEST_ARM64=$(cat /tmp/digests/${{ matrix.BUILD_IMAGE }}-arm64.digest)
-          else
-            DIGEST_ARM64=""
+          # Loop over all available architecture artifacts
+          ALL_DIGESTS=""
+          FIRST_DIGEST=""
+          shopt -s nullglob
+          for digest_file in /tmp/digests/${{ matrix.BUILD_IMAGE }}-*.digest; do
+            DIGEST=$(cat "$digest_file")
+            echo "Found digest: $DIGEST"
+            if [ -z "$ALL_DIGESTS" ]; then
+              ALL_DIGESTS="$DIGEST"
+            else
+              ALL_DIGESTS="$ALL_DIGESTS $DIGEST"
+            fi
+            if [ -z "$FIRST_DIGEST" ]; then
+              FIRST_DIGEST="$DIGEST"
+            fi
+          done
+          shopt -u nullglob
+          # Check if at least one digest was found
+          if [ -z "$FIRST_DIGEST" ]; then
+            echo "Error: No digest files found"
+            exit 1
           fi
-          # Get the base image name from the digests (they'll be the same)
-          REGISTRY_IMAGE_TAG=$(echo $DIGEST_AMD64 | cut -d'@' -f1)
+          # Get the base image name from the first digest
+          REGISTRY_IMAGE_TAG=$(echo $FIRST_DIGEST | cut -d'@' -f1)
           REGISTRY_IMAGE=$(echo $REGISTRY_IMAGE_TAG | cut -d':' -f1)
           REGISTRY=$(echo $REGISTRY_IMAGE | cut -d'/' -f1-2)
           IMAGE=$(echo $REGISTRY_IMAGE | cut -d'/' -f3)
           TAG=$(echo $REGISTRY_IMAGE_TAG | cut -d':' -f2)
           echo "Registry Name: $REGISTRY"
           echo "Image Name: $IMAGE"
           echo "Tag Name: $TAG"
-          echo "AMD64 Digest: $DIGEST_AMD64"
-          echo "ARM64 Digest: $DIGEST_ARM64"
+          echo "All Digests: $ALL_DIGESTS"
           echo "registry=$REGISTRY" >> $GITHUB_OUTPUT
           echo "image=$IMAGE" >> $GITHUB_OUTPUT
           echo "tag=$TAG" >> $GITHUB_OUTPUT
-          echo "amd64=$DIGEST_AMD64" >> $GITHUB_OUTPUT
-          echo "arm64=$DIGEST_ARM64" >> $GITHUB_OUTPUT
+          echo "all=$ALL_DIGESTS" >> $GITHUB_OUTPUT
       - name: Extract Docker metadata for final tags
         id: meta
         uses: docker/metadata-action@v5
@@ -316,8 +329,7 @@ jobs:
           # Create the manifest list and tag it with the final tags
           docker buildx imagetools create \
             $TAG_ARGS \
-            ${{ steps.digests.outputs.amd64 }} \
-            ${{ steps.digests.outputs.arm64 }}
+            ${{ steps.digests.outputs.all }}
 
   eic:
     name: Build ${{ matrix.BUILD_IMAGE }}${{ matrix.ENV }} on ${{ matrix.arch }}
@@ -511,25 +523,42 @@ jobs:
       - name: Analyze digest artifacts
         id: digests
         run: |
-          # Read the digests from the files
-          DIGEST_AMD64=$(cat /tmp/digests/amd64.digest)
-          DIGEST_ARM64=$(cat /tmp/digests/arm64.digest)
-          # Get the base image name from the digests (they'll be the same)
-          REGISTRY_IMAGE_TAG=$(echo $DIGEST_AMD64 | cut -d'@' -f1)
+          # Loop over all available architecture artifacts
+          ALL_DIGESTS=""
+          FIRST_DIGEST=""
+          shopt -s nullglob
+          for digest_file in /tmp/digests/*.digest; do
+            DIGEST=$(cat "$digest_file")
+            echo "Found digest: $DIGEST"
+            if [ -z "$ALL_DIGESTS" ]; then
+              ALL_DIGESTS="$DIGEST"
+            else
+              ALL_DIGESTS="$ALL_DIGESTS $DIGEST"
+            fi
+            if [ -z "$FIRST_DIGEST" ]; then
+              FIRST_DIGEST="$DIGEST"
+            fi
+          done
+          shopt -u nullglob
+          # Check if at least one digest was found
+          if [ -z "$FIRST_DIGEST" ]; then
+            echo "Error: No digest files found"
+            exit 1
+          fi
+          # Get the base image name from the first digest
+          REGISTRY_IMAGE_TAG=$(echo $FIRST_DIGEST | cut -d'@' -f1)
           REGISTRY_IMAGE=$(echo $REGISTRY_IMAGE_TAG | cut -d':' -f1)
           REGISTRY=$(echo $REGISTRY_IMAGE | cut -d'/' -f1-2)
           IMAGE=$(echo $REGISTRY_IMAGE | cut -d'/' -f3)
           TAG=$(echo $REGISTRY_IMAGE_TAG | cut -d':' -f2)
           echo "Registry Name: $REGISTRY"
           echo "Image Name: $IMAGE"
           echo "Tag Name: $TAG"
-          echo "AMD64 Digest: $DIGEST_AMD64"
-          echo "ARM64 Digest: $DIGEST_ARM64"
+          echo "All Digests: $ALL_DIGESTS"
           echo "registry=$REGISTRY" >> $GITHUB_OUTPUT
           echo "image=$IMAGE" >> $GITHUB_OUTPUT
           echo "tag=$TAG" >> $GITHUB_OUTPUT
-          echo "amd64=$DIGEST_AMD64" >> $GITHUB_OUTPUT
-          echo "arm64=$DIGEST_ARM64" >> $GITHUB_OUTPUT
+          echo "all=$ALL_DIGESTS" >> $GITHUB_OUTPUT
       - name: Extract Docker metadata for final tags
         id: meta
         uses: docker/metadata-action@v5
@@ -551,5 +580,4 @@ jobs:
           # Create the manifest list and tag it with the final tags
           docker buildx imagetools create \
             $TAG_ARGS \
-            ${{ steps.digests.outputs.amd64 }} \
-            ${{ steps.digests.outputs.arm64 }}
+            ${{ steps.digests.outputs.all }}