ci: Reusable workflow for sync

Reusable workflow for syncing kernel-topics automerge

Signed-off-by: Vishal Kumar <viskuma@qti.qualcomm.com>

Author: quic-viskuma

.github/actions/build/action.yml

@@ -6,13 +6,17 @@ inputs:
     description: Docker image
     required: true
     default: kmake-image:latest
+  workspace_path:
+    description: Workspace path
+    required: true
 
 runs:
   using: "composite"
   steps:
     - name: Download artifacts
       shell: bash
       run: |
+        cd ${{ inputs.workspace_path }}
         mkdir -p ../artifacts && \
         wget -O ../artifacts/ramdisk.gz https://snapshots.linaro.org/member-builds/qcomlt/testimages/arm64/1379/initramfs-test-image-qemuarm64-20230321073831-1379.rootfs.cpio.gz && \
         wget -O ../artifacts/systemd-boot-efi.deb http://ports.ubuntu.com/pool/universe/s/systemd/systemd-boot-efi_255.4-1ubuntu8_arm64.deb && \
@@ -21,6 +25,7 @@ runs:
     - name: Make
       shell: bash
       run: |
+        cd ${{ inputs.workspace_path }}
         docker run -i --rm \
         --user $(id -u):$(id -g) \
         --workdir="$PWD" \
@@ -34,4 +39,6 @@ runs:
     - name: Package DLKM into ramdisk
       shell: bash
       run: |
-        (cd ../kobj/tar-install ; find lib/modules | cpio -o -H newc -R +0:+0 | gzip -9 >> ../../artifacts/ramdisk.gz)
+        cd ${{ inputs.workspace_path }}
+        (cd ../kobj/tar-install ; find lib/modules | cpio -o -H newc -R +0:+0 | gzip -9 >> ../../artifacts/ramdisk.gz)
+

.github/actions/sync/action.yml

@@ -0,0 +1,79 @@
+name: Sync workspace
+
+inputs:
+  base_branch:
+    description: Base branch
+    required: true
+    default: qcom-next-staging
+  pr_url:
+    description: PR url
+    required: false
+  pr_number:
+    description: PR number
+    required: false
+
+outputs:
+  workspace_path:
+    description: Sync workspace path
+    value: ${{ steps.set-workspace.outputs.workspace }}
+
+runs:
+  using: "composite"
+  steps:
+    - name: Checkout PR branch
+      if: inputs.base_branch == 'qcom-next-staging'
+      uses: actions/checkout@v4
+      shell: bash
+      with:
+        fetch-depth: 0
+
+    - name: Configure git
+      shell: bash
+      run: |
+        git config --global user.name "github-actions"
+        git config --global user.email "github-actions@github.com"
+
+    - name: Sync with latest changes
+      if: inputs.base_branch == 'qcom-next-staging'
+      shell: bash
+      run: |
+        set -e
+        echo "Syncing with latest changes..."
+        git fetch origin ${{ inputs.base_branch }}
+        git merge --no-ff origin/${{ inputs.base_branch }}
+
+    - name: Clone repositories
+      if: inputs.base_branch != 'qcom-next-staging'
+      shell: bash
+      run: |
+        git clone https://github.com/qualcomm-linux/kernel.git
+        git clone https://github.com/qualcomm-linux/automerge.git
+
+    - name: Create merge configuration
+      if: inputs.base_branch != 'qcom-next-staging'
+      shell: bash
+      run: |
+        TOPIC_BRANCH=${{ inputs.base_branch }}
+        cat <<EOF > merge.conf
+        baseline https://github.com/qualcomm-linux/kernel.git qcom-next
+        topic https://github.com/qualcomm-linux/kernel-topics.git $TOPIC_BRANCH
+        pr ${{ inputs.pr_url }} pull/${{ inputs.pr_number }}/head
+        EOF
+        echo "File 'merge.conf' created successfully."
+
+    - name: Run auto merge
+      id: automerge
+      if: inputs.base_branch != 'qcom-next-staging'
+      shell: bash
+      run: |
+        cd kernel
+        ../automerge/ci-merge -f ../merge.conf -t head -n
+
+    - name: Set workspace path
+      id: set-workspace
+      shell: bash
+      run: |
+        if [[ "${{ inputs.base_branch }}" == "qcom-next-staging" ]]; then
+          echo "workspace=${{ github.workspace }}" >> "$GITHUB_OUTPUT"
+        else
+          echo "workspace=${{ github.workspace }}/kernel" >> "$GITHUB_OUTPUT"

.github/workflows/build.yml

@@ -13,11 +13,13 @@ jobs:
       group: GHA-Kernel-SelfHosted-RG
       labels: [ self-hosted, kernel-prd-u2404-x64-large-od-ephem ]
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
+      - name: Sync codebase
+        id: sync
+        uses: ./.github/actions/sync
         with:
-          ref: ${{ github.ref }}
-          fetch-depth: 0
+          base_branch: ${{ github.base_ref }}
+          pr_url: ${{ github.event.repository.html_url }}
+          pr_number: ${{ github.event.pull_request.number }}
 
       - name: Pull docker image
         uses: ./.github/actions/pull_docker_image
@@ -30,9 +32,11 @@ jobs:
         uses: ./.github/actions/build
         with:
           docker_image: ${{ inputs.docker_image }}
+          workspace_path: ${{ steps.sync.outputs.workspace_path }}
 
       - name: Create file list for artifacts upload
         run: |
+          cd ${{ steps.sync.outputs.workspace_path }}
           touch ../artifacts/file_list.txt
           tar -cJf modules.tar.xz ../kobj/tar-install/lib/modules/
           echo "modules.tar.xz" >> ../artifacts/file_list.txt
@@ -44,13 +48,12 @@ jobs:
         uses: ./.github/actions/aws_s3_helper
         with:
           s3_bucket: qli-prd-kernel-gh-artifacts
-          aws_access_key_id: ${{ secrets.AWSKEYID }}
-          aws_secret_access_key: ${{ secrets.AWSACCESSKEY }}
-          local_file: ../artifacts/file_list.txt
+          local_file: ${{ steps.sync.outputs.workspace_path }}/../artifacts/file_list.txt
           mode: multi-upload
 
       - name: Clean up
         run: |
+          cd ${{ steps.sync.outputs.workspace_path }}
           rm -rf ../artifacts
           rm -rf ../kobj
           rm -rf modules.tar.xz
@@ -68,7 +71,6 @@ jobs:
           fi
           SUMMARY='
           <details><summary><i>Build Summary</i></summary>
-
           '${summary}'
           </details>
           '