actions: docbuild: Use a full Zephyr setup

In order to support the latest doc build from upstream, switch to using
a full Zephyr setup.

Signed-off-by: Carles Cufi <[email protected]>

Author: carlescufi

.github/workflows/docbuild.yml

@@ -32,28 +32,55 @@ jobs:
       group: ${{ github.workflow }}-${{ github.ref }}
       cancel-in-progress: true
     steps:
-      - name: Checkout sources
-        uses: nrfconnect/action-checkout-west-update@main
+      - name: checkout
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
-          git-fetch-depth: 0
-
-      - name: cache-pip
-        uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4
-        with:
-          path: ~/.cache/pip
-          key: ${{ runner.os }}-doc-pip
+          ref: ${{ github.event.pull_request.head.sha }}
+          fetch-depth: 0
+          path: ncs/nrf
+
+      - name: Rebase
+        if: github.event_name == 'pull_request'
+        continue-on-error: true
+        env:
+          BASE_REF: ${{ github.base_ref }}
+          PR_HEAD: ${{ github.event.pull_request.head.sha }}
+        working-directory: ncs/nrf
+        run: |
+          git config --global user.email "[email protected]"
+          git config --global user.name "Github Actions"
+          rm -fr ".git/rebase-apply"
+          rm -fr ".git/rebase-merge"
+          git rebase origin/${BASE_REF}
+          git clean -f -d
+          git log --graph --oneline HEAD...${PR_HEAD}
 
       - name: Install packages
+        working-directory: ncs
         run: |
           sudo apt update
-          sudo apt-get install -y ninja-build mscgen plantuml
+          sudo apt-get install -y wget python3-pip git ninja-build graphviz lcov mscgen plantuml
           sudo snap install yq
-          DOXYGEN_VERSION=$(yq ".doxygen.version" ./ncs/nrf/scripts/tools-versions-linux.yml)
+          DOXYGEN_VERSION=$(yq ".doxygen.version" nrf/scripts/tools-versions-linux.yml)
           wget --no-verbose "https://github.com/doxygen/doxygen/releases/download/Release_${DOXYGEN_VERSION//./_}/doxygen-${DOXYGEN_VERSION}.linux.bin.tar.gz"
           tar xf doxygen-${DOXYGEN_VERSION}.linux.bin.tar.gz
           echo "${PWD}/doxygen-${DOXYGEN_VERSION}/bin" >> $GITHUB_PATH
 
-      - name: Install Python dependencies
+      - name: Set up Python
+        uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
+        with:
+          python-version: 3.12
+          cache: pip
+          cache-dependency-path: ncs/nrf/doc/requirements.txt
+
+      - name: Setup Zephyr project
+        uses: zephyrproject-rtos/action-zephyr-setup@6a744370a22e4ecb24f5dda3c7e80ff3e0a3b847 # v1.0.8
+        with:
+          base-path: ncs
+          app-path: nrf
+          toolchains: 'all'
+
+      - name: install-pip
         working-directory: ncs
         run: |
           pip install -r nrf/doc/requirements.txt