ci.yml

name: CI

on:
  pull_request:
    branches: [main]
  push:
    branches: [main]

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

permissions:
  contents: read
  pull-requests: write

env:
  CARGO_TERM_COLOR: always

jobs:
  lint-test:
    name: Lint & Unit Tests
    runs-on:
      group: hf-mount-ci
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@nightly
        with:
          components: rustfmt

      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy

      - uses: Swatinem/rust-cache@v2

      - name: Install system deps
        run: |
          sudo apt-get update
          sudo apt-get install -y fuse3 libfuse3-dev

      - name: Format check
        run: cargo +nightly fmt --check

      - name: Clippy
        run: cargo clippy -- -D warnings

      - name: Unit tests
        run: cargo test --lib

  smoke-test:
    name: Smoke Tests (FUSE + NFS)
    runs-on:
      group: hf-mount-ci
    needs: lint-test
    env:
      HF_TOKEN: ${{ secrets.HF_TOKEN_HUB_CI }}
      HF_ENDPOINT: https://hub-ci.huggingface.co
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2

      - name: Install system deps
        run: |
          sudo apt-get update
          sudo apt-get install -y fuse3 libfuse3-dev nfs-common
          echo 'user_allow_other' | sudo tee -a /etc/fuse.conf

      - name: Build release binaries
        run: cargo build --release

      - name: Integration tests (buckets)
        run: cargo test --release --test fuse_ops --test nfs_ops -- --test-threads=1 --nocapture

      - name: Integration tests (repo mount)
        env:
          HF_ENDPOINT: https://huggingface.co
        run: unset HF_TOKEN && cargo test --release --test repo_ops -- --test-threads=1 --nocapture

  pjdfstest:
    name: POSIX Compliance (pjdfstest)
    runs-on:
      group: hf-mount-ci
    needs: lint-test
    env:
      HF_TOKEN: ${{ secrets.HF_TOKEN_HUB_CI }}
      HF_ENDPOINT: https://hub-ci.huggingface.co
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2

      - name: Install system deps
        run: |
          sudo apt-get update
          sudo apt-get install -y fuse3 libfuse3-dev autoconf automake gcc make perl
          echo 'user_allow_other' | sudo tee -a /etc/fuse.conf

      - name: Build release binaries
        run: cargo build --release

      - name: Run pjdfstest
        timeout-minutes: 10
        run: |
          set -o pipefail
          cargo test --release --test pjdfstest -- --nocapture 2>&1 | tee pjdfstest_output.txt

      - name: Post pjdfstest results
        if: github.event_name == 'pull_request'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          CLEAN=$(sed 's/\x1b\[[0-9;]*m//g' pjdfstest_output.txt)
          TABLES=$(echo "$CLEAN" | awk '
            /^=====*$/ { inside=!inside; print; next }
            inside { print }
          ')
          if [ -z "$TABLES" ]; then
            echo "No pjdfstest table found in output"
            exit 0
          fi

          PR="${{ github.event.pull_request.number }}"
          MARKER="<!-- pjdfstest-results -->"
          BODY="${MARKER}
          ## POSIX Compliance (pjdfstest)

          \`\`\`
          ${TABLES}
          \`\`\`"

          COMMENT_ID=$(gh api "repos/${{ github.repository }}/issues/${PR}/comments" \
            --jq ".[] | select(.body | startswith(\"${MARKER}\")) | .id" | head -1)

          if [ -n "$COMMENT_ID" ]; then
            gh api "repos/${{ github.repository }}/issues/comments/${COMMENT_ID}" \
              -X PATCH -f body="$BODY"
            echo "Updated existing comment $COMMENT_ID"
          else
            gh pr comment "$PR" --body "$BODY"
            echo "Created new comment"
          fi

  bench:
    name: Benchmarks
    runs-on:
      group: hf-mount-ci
    needs: lint-test
    env:
      HF_TOKEN: ${{ secrets.HF_TOKEN_HUB_CI }}
      HF_ENDPOINT: https://hub-ci.huggingface.co
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable

      - uses: Swatinem/rust-cache@v2

      - name: Install system deps
        run: |
          sudo apt-get update
          sudo apt-get install -y fuse3 libfuse3-dev nfs-common
          echo 'user_allow_other' | sudo tee -a /etc/fuse.conf

      - name: Build release binaries
        run: cargo build --release

      - name: Install fio
        run: sudo apt-get install -y fio

      - name: Run benchmarks
        timeout-minutes: 10
        run: cargo test --release --test bench --test fio_bench -- --nocapture 2>&1 | tee bench_output.txt

      - name: Post benchmark results
        if: github.event_name == 'pull_request'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          # Strip ANSI codes, then extract only ==== delimited blocks
          CLEAN=$(sed 's/\x1b\[[0-9;]*m//g' bench_output.txt)
          TABLES=$(echo "$CLEAN" | awk '
            /^=====*$/ { inside=!inside; print; next }
            inside { print }
          ')
          if [ -z "$TABLES" ]; then
            echo "No benchmark table found in output"
            exit 0
          fi

          PR="${{ github.event.pull_request.number }}"
          MARKER="<!-- bench-results -->"
          BODY="${MARKER}
          ## Benchmark Results

          \`\`\`
          ${TABLES}
          \`\`\`"

          # Find existing comment with our marker
          COMMENT_ID=$(gh api "repos/${{ github.repository }}/issues/${PR}/comments" \
            --jq ".[] | select(.body | startswith(\"${MARKER}\")) | .id" | head -1)

          if [ -n "$COMMENT_ID" ]; then
            gh api "repos/${{ github.repository }}/issues/comments/${COMMENT_ID}" \
              -X PATCH -f body="$BODY"
            echo "Updated existing comment $COMMENT_ID"
          else
            gh pr comment "$PR" --body "$BODY"
            echo "Created new comment"
          fi