ci.yml

name: CI

on:
  merge_group:
  pull_request:
  push:
    branches:
      - main
      - release-*

env:
  CARGO_TERM_COLOR: always
  # If nightly is breaking CI, modify this variable to target a specific nightly version.
  NIGHTLY_TOOLCHAIN: nightly

concurrency:
  group: ${{github.workflow}}-${{github.ref}}
  cancel-in-progress: ${{github.event_name == 'pull_request'}}

jobs:
  build:
    strategy:
      matrix:
        os: [windows-latest, ubuntu-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-build-stable-${{ hashFiles('**/Cargo.toml') }}
      - uses: dtolnay/rust-toolchain@stable
      - name: Install Linux dependencies
        uses: ./.github/actions/install-linux-deps
      - name: Build & run tests
        # See tools/ci/src/main.rs for the commands this runs
        run: cargo run -p ci -- test
        env:
          CARGO_INCREMENTAL: 0
          RUSTFLAGS: "-C debuginfo=0 -D warnings"

  ci:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-ci-${{ hashFiles('**/Cargo.toml') }}
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt, clippy
      - name: Install Linux dependencies
        uses: ./.github/actions/install-linux-deps
        with:
          wayland: true
          xkb: true
      - name: CI job
        # See tools/ci/src/main.rs for the commands this runs
        run: cargo run -p ci -- lints

  miri:
    # Explicitly use macOS 14 to take advantage of M1 chip.
    runs-on: macos-14
    timeout-minutes: 60
    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-miri-${{ hashFiles('**/Cargo.toml') }}
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.NIGHTLY_TOOLCHAIN }}
          components: miri
      - name: CI job
        # To run the tests one item at a time for troubleshooting, use
        # cargo --quiet test --lib -- --list | sed 's/: test$//' | MIRIFLAGS="-Zmiri-disable-isolation -Zmiri-disable-weak-memory-emulation" xargs -n1 cargo miri test -p bevy_ecs --lib -- --exact
        run: cargo miri test -p bevy_ecs
        env:
          # -Zrandomize-layout makes sure we dont rely on the layout of anything that might change
          RUSTFLAGS: -Zrandomize-layout
          # https://github.com/rust-lang/miri#miri--z-flags-and-environment-variables
          # -Zmiri-disable-isolation is needed because our executor uses `fastrand` which accesses system time.
          # -Zmiri-ignore-leaks is necessary because a bunch of tests don't join all threads before finishing.
          MIRIFLAGS: -Zmiri-ignore-leaks -Zmiri-disable-isolation

  check-compiles:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    needs: ci
    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
            crates/bevy_ecs_compile_fail_tests/target/
            crates/bevy_reflect_compile_fail_tests/target/
          key: ${{ runner.os }}-cargo-check-compiles-${{ hashFiles('**/Cargo.toml') }}
      - uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: stable
      - name: Install Linux dependencies
        uses: ./.github/actions/install-linux-deps
      - name: Check Compile
        # See tools/ci/src/main.rs for the commands this runs
        run: cargo run -p ci -- compile
  
  check-compiles-no-std:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    needs: ci
    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
            crates/bevy_ecs_compile_fail_tests/target/
            crates/bevy_reflect_compile_fail_tests/target/
          key: ${{ runner.os }}-cargo-check-compiles-no-std-${{ hashFiles('**/Cargo.toml') }}
      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: x86_64-unknown-none
      - name: Install Linux dependencies
        uses: ./.github/actions/install-linux-deps
      - name: Check Compile
        run: cargo run -p ci -- compile-check-no-std

  build-wasm:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    needs: build
    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ubuntu-assets-cargo-build-wasm-stable-${{ hashFiles('**/Cargo.toml') }}
      - uses: dtolnay/rust-toolchain@stable
        with:
          target: wasm32-unknown-unknown
      - name: Check wasm
        run: cargo check --target wasm32-unknown-unknown

  build-wasm-atomics:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    needs: build
    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ubuntu-assets-cargo-build-wasm-nightly-${{ hashFiles('**/Cargo.toml') }}
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.NIGHTLY_TOOLCHAIN }}
          targets: wasm32-unknown-unknown
          components: rust-src
      - name: Check wasm
        run: cargo check --target wasm32-unknown-unknown -Z build-std=std,panic_abort
        env:
          RUSTFLAGS: "-C target-feature=+atomics,+bulk-memory"

  markdownlint:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    needs: check-missing-features-in-docs
    if: always()
    steps:
      - uses: actions/checkout@v4
        with:
          # Full git history is needed to get a proper list of changed files within `super-linter`
          fetch-depth: 0
      - name: Run Markdown Lint
        uses: docker://ghcr.io/github/super-linter:slim-v4
        env:
          MULTI_STATUS: false
          VALIDATE_ALL_CODEBASE: false
          VALIDATE_MARKDOWN: true
          DEFAULT_BRANCH: main

  toml:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - name: Install taplo
        run: cargo install taplo-cli --locked
      - name: Run Taplo
        id: taplo
        run: taplo fmt --check --diff
      - name: Taplo info
        if: failure()
        run: |
          echo 'To fix toml fmt, please run `taplo fmt`'
          echo 'To check for a diff, run `taplo fmt --check --diff'
          echo 'You can find taplo here: https://taplo.tamasfe.dev/'
          echo 'Or if you use VSCode, use the `Even Better Toml` extension with 2 spaces'
          echo 'You can find the extension here: https://marketplace.visualstudio.com/items?itemName=tamasfe.even-better-toml'

  typos:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4
      - name: Check for typos
        uses: crate-ci/typos@v1.26.8
      - name: Typos info
        if: failure()
        run: |
          echo 'To fix typos, please run `typos -w`'
          echo 'To check for a diff, run `typos`'
          echo 'You can find typos here: https://crates.io/crates/typos'
          echo 'if you use VSCode, you can also install `Typos Spell Checker'
          echo 'You can find the extension here: https://marketplace.visualstudio.com/items?itemName=tekumara.typos-vscode'

  run-examples-macos-metal:
    # Explicitly use macOS 14 to take advantage of M1 chip.
    runs-on: macos-14
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - name: Disable audio
        # Disable audio through a patch. on github m1 runners, audio timeouts after 15 minutes
        run: git apply --ignore-whitespace tools/example-showcase/disable-audio.patch
      - name: Build bevy
        # this uses the same command as when running the example to ensure build is reused
        run: |
          TRACE_CHROME=trace-alien_cake_addict.json CI_TESTING_CONFIG=.github/example-run/alien_cake_addict.ron cargo build --example alien_cake_addict --features "bevy_ci_testing,trace,trace_chrome"
      - name: Run examples
        run: |
          for example in .github/example-run/*.ron; do
            example_name=`basename $example .ron`
            echo -n $example_name > last_example_run
            echo "running $example_name - "`date`
            time TRACE_CHROME=trace-$example_name.json CI_TESTING_CONFIG=$example cargo run --example $example_name --features "bevy_ci_testing,trace,trace_chrome"
            sleep 10
            if [ `find ./ -maxdepth 1 -name 'screenshot-*.png' -print -quit` ]; then
              mkdir screenshots-$example_name
              mv screenshot-*.png screenshots-$example_name/
            fi
          done
          mkdir traces && mv trace*.json traces/
          mkdir screenshots && mv screenshots-* screenshots/
      - name: save traces
        uses: actions/upload-artifact@v4
        with:
          name: example-traces-macos
          path: traces
      - name: Save PR number
        if: ${{ github.event_name == 'pull_request' }}
        run: |
          echo ${{ github.event.number }} > ./screenshots/PR
      - name: save screenshots
        uses: actions/upload-artifact@v4
        with:
          name: screenshots-macos
          path: screenshots
      - uses: actions/upload-artifact@v4
        if: ${{ failure() && github.event_name == 'pull_request' }}
        with:
          name: example-run-macos
          path: example-run/
        
  check-doc:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-check-doc-${{ hashFiles('**/Cargo.toml') }}
      - uses: dtolnay/rust-toolchain@stable
      - name: Install Linux dependencies
        uses: ./.github/actions/install-linux-deps
        with:
          wayland: true
          xkb: true
      - name: Build and check doc
        # See tools/ci/src/main.rs for the commands this runs
        run: cargo run -p ci -- doc
        env:
          CARGO_INCREMENTAL: 0
          RUSTFLAGS: "-C debuginfo=0"
      # This currently report a lot of false positives
      # Enable it again once it's fixed - https://github.com/bevyengine/bevy/issues/1983
      # - name: Installs cargo-deadlinks
      #   run: cargo install --force cargo-deadlinks
      # - name: Checks dead links
      #   run: cargo deadlinks --dir target/doc/bevy
      #   continue-on-error: true

  check-missing-examples-in-docs:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4
      - name: check for missing metadata
        id: missing-metadata
        run: cargo run -p build-templated-pages -- check-missing examples
      - name: check for missing update
        run: cargo run -p build-templated-pages -- update examples
      - name: Check for modified files
        id: missing-update
        run: |
          echo "if this step fails, run the following command and commit the changed file on your PR."
          echo " > cargo run -p build-templated-pages -- update examples"
          git diff --quiet HEAD --
      - name: Save PR number
        if: ${{ failure() && github.event_name == 'pull_request' }}
        run: |
          mkdir -p ./missing-examples
          echo ${{ github.event.number }} > ./missing-examples/NR
      - name: log failed task - missing metadata
        if: ${{ failure() && github.event_name == 'pull_request' && steps.missing-metadata.conclusion == 'failure' }}
        run: touch ./missing-examples/missing-metadata
      - name: log failed task - missing update
        if: ${{ failure() && github.event_name == 'pull_request' && steps.missing-update.conclusion == 'failure' }}
        run: touch ./missing-examples/missing-update
      - uses: actions/upload-artifact@v4
        if: ${{ failure() && github.event_name == 'pull_request' }}
        with:
          name: missing-examples
          path: missing-examples/

  check-missing-features-in-docs:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    needs: check-missing-examples-in-docs
    steps:
      - uses: actions/checkout@v4
      - name: check for missing features
        id: missing-features
        run: cargo run -p build-templated-pages -- check-missing features
      - name: check for missing update
        run: cargo run -p build-templated-pages -- update features
      - name: Check for modified files
        id: missing-update
        run: |
          echo "if this step fails, run the following command and commit the changed file on your PR."
          echo " > cargo run -p build-templated-pages -- update features"
          git diff --quiet HEAD --
      - name: Save PR number
        if: ${{ failure() && github.event_name == 'pull_request' }}
        run: |
          mkdir -p ./missing-features
          echo ${{ github.event.number }} > ./missing-features/NR
      - name: log failed task - missing features
        if: ${{ failure() && github.event_name == 'pull_request' && steps.missing-features.conclusion == 'failure' }}
        run: touch ./missing-features/missing-features
      - name: log failed task - missing update
        if: ${{ failure() && github.event_name == 'pull_request' && steps.missing-update.conclusion == 'failure' }}
        run: touch ./missing-features/missing-update
      - uses: actions/upload-artifact@v4
        if: ${{ failure() && github.event_name == 'pull_request' }}
        with:
          name: missing-features
          path: missing-features/

  msrv:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    needs: build
    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/bin/
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
            target/
          key: ${{ runner.os }}-cargo-msrv-${{ hashFiles('**/Cargo.toml') }}
      - name: get MSRV
        id: msrv
        run: |
          msrv=`cargo metadata --no-deps --format-version 1 | jq --raw-output '.packages[] | select(.name=="bevy") | .rust_version'`
          echo "msrv=$msrv" >> $GITHUB_OUTPUT
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ steps.msrv.outputs.msrv }}
      - name: Install Linux dependencies
        uses: ./.github/actions/install-linux-deps
      - name: Run cargo check
        id: check
        run: cargo check
      - name: Save PR number
        if: ${{ failure() && github.event_name == 'pull_request' && steps.check.conclusion == 'failure' }}
        run: |
          mkdir -p ./msrv
          echo ${{ github.event.number }} > ./msrv/NR
      - uses: actions/upload-artifact@v4
        if: ${{ failure() && github.event_name == 'pull_request' && steps.check.conclusion == 'failure' }}
        with:
          name: msrv
          path: msrv/

  check-bevy-internal-imports:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - uses: actions/checkout@v4
      - name: Check for internal Bevy imports
        shell: bash
        run: |
          errors=""
          for file in $(find examples tests -name '*.rs'); do
              if grep -q "use bevy_" "$file"; then
                  errors+="ERROR: Detected internal Bevy import in $file\n"
              fi
          done
          if [ -n "$errors" ]; then
              echo -e "$errors"
              echo " Avoid importing internal Bevy crates, they should not be used directly"
              echo " Fix the issue by replacing 'bevy_*' with 'bevy'"
              echo " Example: 'use bevy::sprite::Mesh2d;' instead of 'bevy_internal::sprite::Mesh2d;'"
              exit 1
          fi