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name: miri

concurrency:
  group: ${{ github.repository }}-${{ github.head_ref || github.sha }}-${{ github.workflow }}
  cancel-in-progress: true

# trigger for all PRs that touch certain files and changes to main
on:
  push:
    branches:
      - main
  pull_request:
    paths:
      - .github/**
      - rust-toolchain.toml
      - arrow-array/**
      - arrow-buffer/**
      - arrow-cast/**
      - arrow-csv/**
      - arrow-data/**
      - arrow-ipc/**
      - arrow-json/**
      - arrow-avro/**
      - arrow-schema/**
      - arrow-select/**
      - arrow-string/**
      - arrow/**

jobs:
  miri-checks:
    name: MIRI
    runs-on: ubuntu-latest
    strategy:
      matrix:
        partition: [1, 2, 3, 4]
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7.0.0
        with:
          submodules: true
      - name: Setup Rust toolchain
        run: |
          rustup toolchain install nightly --component miri
          rustup override set nightly
          cargo miri setup
      - name: Set up nextest
        run: |
          cargo install cargo-nextest --version 0.9.132 --locked
      - name: Run Miri Checks
        env:
          RUST_BACKTRACE: full
          RUST_LOG: "trace"
        run: bash .github/workflows/miri.sh ${{ matrix.partition }} 4
