name: CI (webgpu)

on:
  workflow_dispatch: # allows manual triggering
  push:
    branches:
      - master
    paths: [
      '.github/workflows/build-webgpu.yml',
      'ggml/src/ggml-webgpu/**'
    ]

  pull_request:
    types: [opened, synchronize, reopened]
    paths: [
      '.github/workflows/build-webgpu.yml',
      'ggml/src/ggml-webgpu/**'
    ]

cache-mode: none
permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref && github.ref || github.run_id }}
  cancel-in-progress: true

env:
  GGML_NLOOP: 3
  GGML_N_THREADS: 1
  LLAMA_ARG_LOG_COLORS: 1
  LLAMA_ARG_LOG_PREFIX: 1
  LLAMA_ARG_LOG_TIMESTAMPS: 1

jobs:
  format:
    runs-on: ubuntu-24.04

    steps:
      - name: Clone
        uses: actions/checkout@v6

      - name: Install clang-format 22
        run: |
          wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key |
            sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc > /dev/null
          sudo add-apt-repository -y \
            "deb http://apt.llvm.org/noble/ llvm-toolchain-noble-22 main"
          sudo apt-get update
          sudo apt-get install -y clang-format-22

      - name: Check formatting
        run: |
          find ggml/src/ggml-webgpu \
            -type f \( -name '*.cpp' -o -name '*.hpp' -o -name '*.h' \) \
            -print0 |
            xargs -0 clang-format-22 --dry-run --Werror