bpf/.github/workflows/linux-next-sync.yml at bpf-next_base · kernel-patches/bpf · GitHub

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name: linux-next sync

on:
  push:
    branches:
      - linux-next-sync
  schedule:
    - cron: '17 */6 * * *'
  workflow_dispatch:

concurrency:
  group: linux-next-sync
  cancel-in-progress: false

permissions:
  contents: write

jobs:
  sync-linux-next:
    if: ${{ github.repository == 'kernel-patches/bpf' }}
    runs-on: ubuntu-slim
    steps:
      - name: Clone kernel-patches/bpf (blobless)
        shell: bash
        run: |
          set -euo pipefail

          git clone \
            --filter=blob:none \
            --no-checkout \
            --single-branch \
            https://github.com/kernel-patches/bpf.git \
            repo

      - name: Configure git identity
        working-directory: repo
        shell: bash
        run: |
          git config user.name 'bpf-ci[bot]'
          git config user.email 'bot+bpf-ci@kernel.org'

      - name: Sync linux-next branch
        working-directory: repo
        shell: bash
        run: |
          set -euo pipefail

          BASE_BRANCH='bpf_base'
          HEAD_BRANCH='linux-next'
          UPSTREAM_REMOTE='linux-next-upstream'
          UPSTREAM_URL='https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git'
          UPSTREAM_BRANCH='master'

          git remote add "${UPSTREAM_REMOTE}" "${UPSTREAM_URL}"
          git config "remote.${UPSTREAM_REMOTE}.promisor" true
          git config "remote.${UPSTREAM_REMOTE}.partialclonefilter" blob:none

          git fetch --no-tags origin \
            "+refs/heads/${BASE_BRANCH}:refs/remotes/origin/${BASE_BRANCH}"
          git fetch --no-tags --filter=blob:none "${UPSTREAM_REMOTE}" \
            "+refs/heads/${UPSTREAM_BRANCH}:refs/remotes/${UPSTREAM_REMOTE}/${UPSTREAM_BRANCH}"

          if git ls-remote --exit-code --heads origin "${HEAD_BRANCH}" >/dev/null 2>&1; then
            git fetch --no-tags origin \
              "+refs/heads/${HEAD_BRANCH}:refs/remotes/origin/${HEAD_BRANCH}"
          fi

          git checkout -B "${HEAD_BRANCH}" "refs/remotes/origin/${BASE_BRANCH}"
          git merge --no-ff --no-edit "refs/remotes/${UPSTREAM_REMOTE}/${UPSTREAM_BRANCH}"

      - name: Generate GitHub App token
        if: ${{ github.repository == 'kernel-patches/bpf' }}
        id: app-token
        uses: actions/create-github-app-token@v2
        with:
          app-id: ${{ secrets.KPD_BOT_APP_ID }}
          private-key: ${{ secrets.KPD_BOT_PRIVATE_KEY }}

      - name: Push linux-next branch
        if: ${{ github.repository == 'kernel-patches/bpf' }}
        working-directory: repo
        env:
          GITHUB_TOKEN: ${{ steps.app-token.outputs.token }}
        shell: bash
        run: |
          set -euo pipefail

          HEAD_BRANCH='linux-next'
          PUSH_URL="https://x-access-token:${GITHUB_TOKEN}@github.com/kernel-patches/bpf.git"

          if git show-ref --verify --quiet "refs/remotes/origin/${HEAD_BRANCH}"; then
            old_head=$(git rev-parse "refs/remotes/origin/${HEAD_BRANCH}")
            git push \
              --force-with-lease="refs/heads/${HEAD_BRANCH}:${old_head}" \
              "${PUSH_URL}" HEAD:"refs/heads/${HEAD_BRANCH}"
          else
            git push "${PUSH_URL}" HEAD:"refs/heads/${HEAD_BRANCH}"
          fi