manifest: Weekly sdk-nrf / sdk-connectedhomeip sync test

.github/workflows/on_sync_pr.yml

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+name: SDK sync PR build
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+    branches:
+      - sdk-nrf
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ncs-matter-sdk-sync-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
+env:
+  CCACHE_DIR: ${{ github.workspace }}/.ccache
+  CCACHE_COMPILERCHECK: content
+  CCACHE_MAXSIZE: 2G
+  CCACHE_SLOPPINESS: file_macro,time_macros,include_file_mtime,include_file_ctime
+  WEST_PATH_CACHE: ${{ github.workspace }}/west-path-cache
+
+jobs:
+  template-twister:
+    if: |
+      github.event.pull_request.head.ref == 'sdk-sync/test' &&
+      github.event.pull_request.base.ref == 'sdk-nrf'
+    runs-on: ubuntu-24.04
+    container: ghcr.io/nrfconnect/sdk-nrf-toolchain:v3.4.0
+    defaults:
+      run:
+        shell: bash
+    steps:
+      - name: Checkout pull request
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
+          fetch-depth: 0
+          path: ncs-matter
+
+      - name: Restore west module path cache
+        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4
+        with:
+          path: west-path-cache
+          key: west-path-cache-${{ hashFiles('ncs-matter/west.yml') }}
+          restore-keys: |
+            west-path-cache-
+
+      - name: Restore ccache
+        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4
+        with:
+          path: .ccache
+          key: ccache-ncs-matter-${{ hashFiles('ncs-matter/west.yml') }}-${{ github.base_ref }}
+          restore-keys: |
+            ccache-ncs-matter-${{ hashFiles('ncs-matter/west.yml') }}-
+            ccache-ncs-matter-
+
+      - name: Restore pip cache
+        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4
+        with:
+          path: ~/.cache/pip
+          key: pip-ncs-matter-${{ hashFiles('ncs-matter/west.yml') }}
+
+      - name: Prepare west workspace
+        run: |
+          rm -rf .west
+          west --version
+          west init -l ncs-matter --mf west.yml
+          west update -n -o=--depth=1 --path-cache "${WEST_PATH_CACHE}"
+
+      - name: Install Python deps for Matter
+        run: |
+          pip3 install -r nrf/scripts/requirements-extra.txt
+          pip3 install -r modules/lib/matter/scripts/setup/requirements.nrfconnect.txt
+
+      - name: Set up ccache
+        run: |
+          mkdir -p "${CCACHE_DIR}"
+          ccache -z
+          ccache -s
+
+      - name: Twister build Matter template sample
+        run: |
+          source zephyr/zephyr-env.sh
+          zephyr/scripts/twister \
+            --inline-logs \
+            --build-only \
+            -N \
+            --verbose \
+            -T ncs-matter/samples/template \
+            --scenario sample.matter.template.debug \
+            --all
+
+      - name: Print ccache statistics
+        if: always()
+        run: ccache -s

.github/workflows/sdk-sync.yml

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+name: SDK Sync
+
+on:
+  schedule:
+    - cron: '0 0 * * 0'
+  workflow_dispatch:
+    inputs:
+      nrf_repo:
+        description: 'sdk-nrf repository (owner/name)'
+        required: false
+        default: 'ArekBalysNordic/sdk-nrf'
+      chip_repo:
+        description: 'sdk-connectedhomeip repository (owner/name)'
+        required: false
+        default: 'ArekBalysNordic/sdk-connectedhomeip'
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  sdk-sync:
+    runs-on: ubuntu-24.04
+    env:
+      SDK_SYNC_PAT: ${{ secrets.SDK_SYNC_PAT }}
+      GH_TOKEN: ${{ secrets.SDK_SYNC_PAT }}
+      SDK_SYNC_NRF_REPO: ${{ inputs.nrf_repo || 'ArekBalysNordic/sdk-nrf' }}
+      SDK_SYNC_CHIP_REPO: ${{ inputs.chip_repo || 'ArekBalysNordic/sdk-connectedhomeip' }}
+    steps:
+      - name: Checkout the code
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+
+      - name: Set state file path
+        run: echo "STATE_FILE=${RUNNER_TEMP}/sdk_sync_state.json" >> "$GITHUB_ENV"
+
+      - name: Set up Python
+        uses: actions/setup-python@42375524e23c412d93fb67b49958b491fce71c38 # v5
+        with:
+          python-version: '3.12'
+          cache: pip
+          cache-dependency-path: scripts/sdk_sync/requirements.txt
+
+      - name: Install dependencies
+        run: pip install -r scripts/sdk_sync/requirements.txt
+
+      - name: Configure git credentials
+        run: |
+          git remote set-url origin "https://x-access-token:${SDK_SYNC_PAT}@github.com/${{ github.repository }}.git"
+          git config --global user.email "sdk-sync-bot@users.noreply.github.com"
+          git config --global user.name "sdk-sync-bot"
+
+      - name: Synchronize sdk-nrf with main
+        run: python scripts/sdk_sync/sync_integration_branch.py --main-branch main --integration-branch sdk-nrf
+
+      - name: Synchronize sdk-connectedhomeip sdk-nrf with master
+        run: python scripts/sdk_sync/sync_chip_branch.py
+
+      - name: Collect upstream revision report
+        run: python scripts/sdk_sync/chip_sync_report.py --state-file "${STATE_FILE}"
+
+      - name: Prepare test branch from sdk-nrf
+        run: python scripts/sdk_sync/prepare_pr.py --command prepare-branch --source-branch sdk-nrf --state-file "${STATE_FILE}"
+
+      - name: Update west.yml on test branch
+        run: |
+          git checkout sdk-sync/test
+          python scripts/sdk_sync/update_manifest.py --state-file "${STATE_FILE}" --branch sdk-sync/test
+
+      - name: Open sync pull request
+        run: python scripts/sdk_sync/prepare_pr.py --command open-pr --base-branch sdk-nrf --state-file "${STATE_FILE}"
+
+      - name: Post sync summary comment
+        run: python scripts/sdk_sync/build_report.py --state-file "${STATE_FILE}"

scripts/sdk_sync/__init__.py

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+# Copyright (c) 2026 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+"""Scripts for weekly sdk-nrf / sdk-connectedhomeip synchronization."""