github: create matrix build to test Blink on all variants

Convert the single test "Blink on giga" to a matrix build so that every
variant of the core is tested with Blink.

Author: pillo79

Diff for: .github/workflows/package_core.yml

@@ -14,6 +14,10 @@ jobs:
     env:
       ZEPHYR_SDK_INSTALL_DIR: /opt/zephyr-sdk-0.16.8
       CCACHE_IGNOREOPTIONS: -specs=*
+    outputs:
+      CORE_TAG: ${{ env.CORE_TAG }}
+      CORE_ARTIFACT: ${{ env.CORE_ARTIFACT }}
+      BOARD_NAMES: ${{ env.BOARD_NAMES }}
     steps:
       - name: Install toolchain
         working-directory: /opt
@@ -55,23 +59,40 @@ jobs:
           name: ${{ env.CORE_ARTIFACT }}
           path: ${{ env.CORE_ARTIFACT }}.tar.bz2
 
+  test-core:
+    name: Test arduino:zephyr:${{ matrix.board }}
+    runs-on: ubuntu-latest
+    needs: package-core
+    strategy:
+      matrix:
+        board: ${{ fromJSON( needs.package-core.outputs.BOARD_NAMES ) }}
+      fail-fast: false
+    env:
+      FQBN: arduino:zephyr:${{ matrix.board }}
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          name: ${{ needs.package-core.outputs.CORE_ARTIFACT }}
+
+      - name: Set up core
+        run: |
+          tar xf ${{ needs.package-core.outputs.CORE_ARTIFACT }}.tar.bz2
+
       - name: Create Blink sketch
         run: |
-          mkdir extra/Blink/
-          wget https://raw.githubusercontent.com/arduino/arduino-examples/refs/heads/main/examples/01.Basics/Blink/Blink.ino
-          mv Blink.ino extra/Blink/
+          mkdir Blink/
+          wget -nv https://raw.githubusercontent.com/arduino/arduino-examples/refs/heads/main/examples/01.Basics/Blink/Blink.ino -P Blink/
 
-      - name: Compile Blink
+      - name: Compile Blink for ${{ env.FQBN }}
         uses: arduino/compile-sketches@main
         with:
-          fqbn: arduino:zephyr:giga
+          fqbn: ${{ env.FQBN }}
           platforms: |
             # Use Board Manager to install the latest release of Arduino Zephyr Boards to get the toolchain
             - name: "arduino:zephyr"
               source-url: "https://downloads.arduino.cc/packages/package_zephyr_index.json"
-            - source-path: "./"
-              name: "arduino:zephyr"
-          sketch-paths: |
-            extra/Blink
+            - name: "arduino:zephyr"
+              source-path: "ArduinoCore-zephyr"
+          sketch-paths: Blink
           verbose: 'false'
           enable-deltas-report: 'false'

Diff for: extra/build_all.sh

@@ -20,20 +20,38 @@ while getopts "hfl" opt; do
 	esac
 done
 
+if [ ! -z "$GITHUB_STEP_SUMMARY" ] ; then
+	echo "### Variant build results:" >> "$GITHUB_STEP_SUMMARY"
+fi
+
 jq -cr '.[]' < ./extra/targets.json | while read -r item; do
 	board=$(jq -cr '.board // ""' <<< "$item")
 	args=$(jq -cr '.args // ""' <<< "$item")
 
 	variant=$(extra/get_variant_name.sh "$board" || echo "$board")
-	echo && echo
-	echo ${variant}
-	echo ${variant} | sed -e 's/./=/g'
+	if [ -z "$GITHUB_STEP_SUMMARY" ] ; then
+		echo && echo
+		echo ${variant}
+		echo ${variant} | sed -e 's/./=/g'
+	else
+		echo "::group::=== ${variant} ==="
+	fi
 
 	./extra/build.sh "$board" $args
 	result=$?
 
-	echo
-	echo "${variant} result: $result"
+	if [ -z "$GITHUB_STEP_SUMMARY" ] ; then
+		echo
+		echo "${variant} result: $result"
+	else
+		echo "::endgroup::"
+		if [ $result -eq 0 ] ; then
+			echo "- :white_check_mark: \`${variant}\`" >> "$GITHUB_STEP_SUMMARY"
+		else
+			echo "^^^$(echo ${variant} | sed -e 's/./^/g')^^  FAILED with $result!"
+			echo "- :x: \`${variant}\`" >> "$GITHUB_STEP_SUMMARY"
+		fi
+	fi
 	[ $result -ne 0 ] && ! $FORCE && exit $result
 done