Update main.yml

.github/workflows/main.yml

@@ -14,27 +14,42 @@ jobs:
       - name: Set up Python 3
         uses: actions/setup-python@v2
         with:
-          python-version: 3.x
+          python-version: '3.x'
 
       - name: Install dependencies
         run: |
           sudo apt-get update
-          sudo apt-get -y install wget g++ zip ca-certificates
+          sudo apt-get -y install wget g++ zip ca-certificates jq
           pip install --upgrade pip
           pip install platformio
-          
-      - name: Clone Meshtastic repository and compile firmware
+
+      - name: Download last known tag if available
+        id: download-tag
+        uses: actions/download-artifact@v2
+        with:
+          name: last-known-tag
+          path: .
+
+      - name: Check for new Meshtastic firmware release
+        id: check-release
         run: |
-          git clone https://github.com/meshtastic/firmware --recurse-submodules /tmp/firmware
-          cd /tmp/firmware
-          chmod +x ./bin/build-native.sh
-          ./bin/build-native.sh
-          # Extract tag from version.properties 
-          TAG=$(curl -s https://raw.githubusercontent.com/meshtastic/firmware/master/version.properties | sed -nE 's/major = ([0-9]+)/\1./p; s/minor = ([0-9]+)/\1./p; s/build = ([0-9]+)/\1/p' | tr -d '\n'; echo)
-          echo "TAG=amd64-v$TAG" >> $GITHUB_ENV  # Set variable for next steps
-          
+          if [ -f "last_known_tag.txt" ]; then
+            LAST_KNOWN_TAG=$(cat last_known_tag.txt)
+          else
+            LAST_KNOWN_TAG=""
+          fi
+          LATEST_TAG=$(curl -s https://api.github.com/repos/meshtastic/firmware/releases/latest | jq -r .tag_name)
+          echo "Latest tag is $LATEST_TAG"
+          echo "LATEST_TAG=$LATEST_TAG" >> $GITHUB_ENV
+          if [ "$LATEST_TAG" != "$LAST_KNOWN_TAG" ]; then
+            echo "A new release is available, proceeding with the build."
+          else
+            echo "No new release found, skipping the build."
+            exit 0
+
+      # ... rest of your original steps to build the firmware ...
+
       - name: Upload firmware to release
-        id: upload-release
         uses: svenstaro/upload-release-action@v2
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
@@ -43,3 +58,15 @@ jobs:
           tag: ${{ env.TAG }}
           overwrite: true
           body: "Meshtastic amd64 firmware"
+
+      - name: Update and upload last known tag
+        if: success()
+        run: |
+          echo "$LATEST_TAG" > last_known_tag.txt
+          echo "Updating last known tag to $LATEST_TAG"
+          
+      - name: Upload new last known tag as artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: last-known-tag
+          path: last_known_tag.txt