minimal-ci.yml

# Copyright (c) godot-rust; Bromeon and contributors.
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.


name: Minimal CI
#
# Runs when someone opens a PR and pushes commits to the PR.
# Includes basic checks to catch most common errors, but is followed by merge queue (full-ci).

on:
  pull_request:
    branches:
      - master
    types:
      - opened
      - synchronize
      - reopened
      #- ready_for_review # could be enabled if we don't run certain checks in draft mode


env:
  GDEXT_FEATURES: ''
  #  GDEXT_FEATURES: '--features crate/feature'
  #  GDEXT_CRATE_ARGS: '-p godot-codegen -p godot-ffi -p godot-core -p godot-macros -p godot'
  RETRY: ${{ github.workspace }}/.github/other/retry.sh


defaults:
  run:
    shell: bash

# If a new commit is pushed before the old one's CI has completed (on the same branch), abort previous run
concurrency:
  group: ${{ github.head_ref }}
  cancel-in-progress: true

jobs:

  rustfmt:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v4

      - name: "Install Rust"
        uses: ./.github/composite/rust
        with:
          components: rustfmt

      - name: "Check rustfmt"
        run: cargo fmt --all -- --check

      - name: "Run custom repo checks"
        run: |
          cargo run -p repo-tweak
          git diff --quiet --exit-code || {
            echo "::error::Godot versions out of sync; update with `cargo run -p repo-tweak`."
            echo "Differences:"
            echo "----------------------------------------------------"
            git diff
            echo "----------------------------------------------------"
            exit 1
          }

  # Needs to be its own job (apart from sync-doc), because lints don't work with --no-deps, and because it contributes to ci-status.
  doc-lints:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v4

      # rustdoc is included as component.
      - name: "Install Rust"
        uses: ./.github/composite/rust

      - name: "Check rustdoc"
        env:
          RUSTDOCFLAGS: >
            -D rustdoc::broken-intra-doc-links -D rustdoc::private-intra-doc-links -D rustdoc::invalid-codeblock-attributes 
            -D rustdoc::invalid-rust-codeblocks -D rustdoc::invalid-html-tags -D rustdoc::bare-urls -D rustdoc::unescaped-backticks
        run: cargo doc -p godot --ignore-rust-version


  clippy:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v4

      - name: "Patch Cargo.toml to use nightly extension API"
        run: .github/other/patch-prebuilt.sh nightly

      - name: "Install Rust"
        uses: ./.github/composite/rust
        with:
          components: clippy

      - name: "Check clippy"
        run: |
          cargo clippy --all-targets $GDEXT_FEATURES -- \
          -D clippy::suspicious \
          -D clippy::style \
          -D clippy::complexity \
          -D clippy::perf \
          -D clippy::dbg_macro \
          -D clippy::todo \
          -D clippy::unimplemented \
          -D warnings
          

  unit-test:
    name: unit-test
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v4

      - name: "Patch Cargo.toml to use nightly extension API"
        run: .github/other/patch-prebuilt.sh nightly

      - name: "Install Rust"
        uses: ./.github/composite/rust

      - name: "Compile tests"
        run: cargo test $GDEXT_FEATURES --no-run

      - name: "Test"
        run: cargo test $GDEXT_FEATURES


  # For complex matrix workflow, see https://stackoverflow.com/a/65434401
  godot-itest:
    name: godot-itest (${{ matrix.name }})
    runs-on: ${{ matrix.os }}
    continue-on-error: false
    timeout-minutes: 15
    strategy:
      fail-fast: false # cancel all jobs as soon as one fails?
      matrix:
        include:
          # macOS (use arm64 for minimal CI)

          - name: macos
            os: macos-latest
            artifact-name: macos-arm-nightly
            godot-binary: godot.macos.editor.dev.arm64

          # Windows

          - name: windows
            os: windows-latest
            artifact-name: windows-nightly
            godot-binary: godot.windows.editor.dev.x86_64.exe
            # rust-extra-args: --features godot/api-custom

          # Linux

          - name: linux-full
            os: ubuntu-20.04
            artifact-name: linux-nightly
            godot-binary: godot.linuxbsd.editor.dev.x86_64
            rust-extra-args: --features itest/codegen-full
            with-hot-reload: true

          - name: linux-features-experimental
            os: ubuntu-20.04
            artifact-name: linux-nightly
            godot-binary: godot.linuxbsd.editor.dev.x86_64
            rust-extra-args: --features itest/experimental-threads,itest/codegen-full-experimental,godot/api-custom,godot/serde,itest/register-docs

          # Linux compat

          - name: linux-4.1
            os: ubuntu-20.04
            artifact-name: linux-4.1
            godot-binary: godot.linuxbsd.editor.dev.x86_64
            godot-prebuilt-patch: '4.1.4'

          - name: linux-4.2
            os: ubuntu-20.04
            artifact-name: linux-4.2
            godot-binary: godot.linuxbsd.editor.dev.x86_64
            godot-prebuilt-patch: '4.2.2'

          # Memory checkers

          - name: linux-memcheck
            os: ubuntu-20.04
            artifact-name: linux-memcheck-nightly
            godot-binary: godot.linuxbsd.editor.dev.x86_64.llvm.san
            rust-toolchain: nightly
            rust-env-rustflags: -Zrandomize-layout -Zsanitizer=address
            rust-extra-args: --features godot/api-custom
            # Sanitizers can't build proc-macros and build scripts; with --target, cargo ignores RUSTFLAGS for those two.
            rust-target: x86_64-unknown-linux-gnu

    steps:
      - uses: actions/checkout@v4

      - name: "Run Godot integration test"
        uses: ./.github/composite/godot-itest
        with:
          artifact-name: godot-${{ matrix.artifact-name }}
          godot-binary: ${{ matrix.godot-binary }}
          godot-args: ${{ matrix.godot-args }} # currently unused
          godot-prebuilt-patch: ${{ matrix.godot-prebuilt-patch }}
          rust-extra-args: ${{ matrix.rust-extra-args }}
          rust-toolchain: ${{ matrix.rust-toolchain || 'stable' }}
          rust-env-rustflags: ${{ matrix.rust-env-rustflags }}
          rust-target: ${{ matrix.rust-target }}
          with-llvm: ${{ contains(matrix.name, 'macos') && contains(matrix.rust-extra-args, 'api-custom') }}
          godot-check-header: ${{ matrix.godot-check-header }}

      - name: "Build and test hot-reload"
        if: ${{ matrix.with-hot-reload }}
        working-directory: examples/hot-reload/godot/test
        run: ./run-test.sh
        shell: bash

  run-examples:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v4

      - name: "Install Rust"
        uses: ./.github/composite/rust

      # First compile, to fail early in case of compilation errors.
      - name: "Compile Rust examples (release mode)"
        run: cargo build --release -p dodge-the-creeps

      - name: "Install Godot"
        uses: ./.github/composite/godot-install
        with:
          artifact-name: godot-linux-4.3
          godot-binary: godot.linuxbsd.editor.dev.x86_64

      - name: "Run examples for short time"
        run: ./.github/other/check-example.sh dodge-the-creeps


  license-guard:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v4

      - name: "Check and fix license headers"
        uses: 'apache/skywalking-eyes/header@v0.6.0'
        with:
          # log: debug # optional: set the log level. The default value is `info`.
          config: .github/other/licenserc.yml
          # token: # optional: the token that license eye uses when it needs to comment on the pull request.
          # Set to empty ("") to disable commenting on pull request. The default value is ${{ github.token }}
          # mode: # optional: Which mode License-Eye should be run in. Choices are `check` or `fix`. The default value is `check`.
          mode: check



  # ---------------------------------------------------------------------------------------------------------------------------------------------
  # CI status report

  # Job to notify merge queue about success/failure
  ci-status:
    if: always()
    needs:
      - rustfmt
      - doc-lints
      - clippy
      - unit-test
      - godot-itest
      - run-examples
      - license-guard

    runs-on: ubuntu-20.04
    steps:
      - name: "Determine success or failure"
        run: |
          DEPENDENCIES='${{ toJson(needs) }}'
          
          echo "Dependency jobs:"
          all_success=true
          for job in $(echo "$DEPENDENCIES" | jq -r 'keys[]'); do
              status=$(echo "$DEPENDENCIES" | jq -r ".[\"$job\"].result")
              echo "* $job -> $status"
              if [[ "$status" != "success" ]]; then
                  all_success=false
              fi
          done
          
          if [[ "$all_success" == "false" ]]; then
              echo "One or more dependency jobs failed or were cancelled."
              exit 1
          fi