Merge pull request #58 from home-assistant-libs/add-action-to-bump-dependency

Add workflow to bump Matter SDK dependency

Author: agners

.github/dependabot.yml

@@ -2,7 +2,7 @@ version: 2
 updates:
   - package-ecosystem: "gitsubmodule"
     directory: "/"
-    allow:
+    ignore:
       - dependency-name: "connectedhomeip"
     schedule:
       interval: "daily"

.github/workflows/dependency-update.yaml

@@ -0,0 +1,57 @@
+name: Update Matter SDK submodule
+
+on:
+  schedule:
+    # Runs at 04:30 UTC every day
+    - cron: '30 04 * * *'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  update-connectedhomeip-submodule:
+    runs-on: ubuntu-latest
+    name: Update Matter SDK submodule
+
+    steps:
+      # Checkout the repository
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+        with:
+          submodules: false
+
+      # Update submodule (not recursive)
+      - name: Update Submodule
+        id: update-submodule
+        run: |
+          git submodule update --init connectedhomeip/
+          short_hash_before=$(cd connectedhomeip && git rev-parse --short HEAD)
+          echo "short_hash_before=${short_hash_before}" >> $GITHUB_OUTPUT
+          git submodule update --remote connectedhomeip/
+          git add connectedhomeip/
+          if git diff-index --quiet HEAD; then
+              echo "empty=true" >> $GITHUB_OUTPUT
+              exit 0
+          fi
+          short_hash=$(cd connectedhomeip && git rev-parse --short HEAD)
+          echo "short_hash=${short_hash}" >> $GITHUB_OUTPUT
+
+      # Create Pull Request only if there were changes
+      - name: Create Pull Request
+        if: ${{ steps.update-submodule.outputs.empty != "true" }}
+        uses: peter-evans/create-pull-request@v6
+        with:
+          commit-message: Update Matter SDK to `${{ steps.update-submodule.outputs.short_hash }}`
+          title: Update Matter SDK to `${{ steps.update-submodule.outputs.short_hash }}`
+          body: >
+            Bumps [connectedhomeip](https://github.com/project-chip/connectedhomeip)
+            from `${{ steps.update-submodule.outputs.short_hash_before }}` to
+            `${{ steps.update-submodule.outputs.short_hash }}`.
+
+
+            See full diff at
+            https://github.com/project-chip/connectedhomeip/compare/${{ steps.update-submodule.outputs.short_hash_before }}...${{ steps.update-submodule.outputs.short_hash }}.
+          branch: update-connectedhomeip-submodule-to-${{ steps.update-submodule.outputs.short_hash }}
+

.gitmodules

@@ -3,3 +3,4 @@
 	url = https://github.com/project-chip/connectedhomeip.git
 	branch = master
 	fetchRecurseSubmodules = false
+	depth = 1