# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: 2021 The Elixir Team
# SPDX-FileCopyrightText: 2012 Plataformatec

name: CI

on:
  push:
  pull_request:
  workflow_dispatch:

env:
  ELIXIR_ASSERT_TIMEOUT: 2000
  ELIXIRC_OPTS: "--warnings-as-errors"
  LANG: C.UTF-8

permissions:
  contents: read

jobs:
  test_linux:
    name: Ubuntu 24.04, OTP ${{ matrix.otp_version }}${{ matrix.deterministic && ' (deterministic)' || '' }}${{ matrix.coverage && ' (coverage)' || '' }}
    runs-on: ubuntu-24.04

    strategy:
      fail-fast: false
      matrix:
        include:
          - otp_version: "29.0"
            deterministic: true
          - otp_version: "28.4"
            docs: true
            coverage: true
          - otp_version: "28.1"
          - otp_version: "27.3"
          - otp_version: "27.0"
          - otp_version: master
            development: true
          - otp_version: maint
            development: true

    env:
      ERLC_OPTS: "warnings_as_errors"
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - uses: erlef/setup-beam@54075bcc5e249e4758d363f27d099f55d843f124 # v1.24.1
        with:
          otp-version: ${{ matrix.otp_version }}

      - name: Set ERL_COMPILER_OPTIONS
        if: ${{ matrix.deterministic }}
        run: echo "ERL_COMPILER_OPTIONS=deterministic" >> $GITHUB_ENV

      - name: Compile Elixir
        run: |
          make compile
          echo "$PWD/bin" >> $GITHUB_PATH

      - name: Build info
        run: bin/elixir --version

      - name: Check format
        run: make test_formatted && echo "All Elixir source code files are properly formatted."

      - name: Erlang test suite
        run: make test_erlang
        continue-on-error: ${{ matrix.development == true }}

      - name: Elixir test suite
        run: make test_elixir
        continue-on-error: ${{ matrix.development == true }}
        env:
          COVER: "${{ matrix.coverage }}"

      - name: Build docs (ExDoc main)
        if: ${{ matrix.docs }}
        run: |
          cd ..
          git clone https://github.com/elixir-lang/ex_doc.git --depth 1
          cd ex_doc
          ../elixir/bin/mix do local.rebar --force + local.hex --force + deps.get + compile
          cd ../elixir/
          git fetch --tags
          DOCS_OPTIONS="--warnings-as-errors" make docs

      - name: "Calculate Coverage"
        if: ${{ matrix.coverage }}
        run: make cover | tee "$GITHUB_STEP_SUMMARY"

      - name: "Upload Coverage Artifact"
        if: ${{ matrix.coverage }}
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: TestCoverage
          path: cover/*

      - name: Check reproducible builds
        if: ${{ matrix.deterministic }}
        run: taskset 1 make check_reproducible

      - name: Check git is not required
        if: ${{ matrix.deterministic }}
        run: |
          rm -rf .git
          cd lib/elixir
          elixirc --ignore-module-conflict -o ebin "lib/**/*.ex"

  test_windows:
    name: Windows Server 2022, OTP ${{ matrix.otp_version }}
    runs-on: windows-2022

    strategy:
      matrix:
        otp_version:
          - "29.0"
          - "28.1"
          - "27.3"

    steps:
      - name: Configure Git
        run: git config --global core.autocrlf input

      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - uses: erlef/setup-beam@54075bcc5e249e4758d363f27d099f55d843f124 # v1.24.1
        with:
          otp-version: ${{ matrix.otp_version }}

      - name: Compile Elixir
        run: |
          Remove-Item -Recurse -Force '.git'
          make compile

      - name: Build info
        run: bin/elixir --version

      - name: Check format
        run: make test_formatted && echo "All Elixir source code files are properly formatted."

      - name: Erlang test suite
        run: make test_erlang

      - name: Elixir test suite
        run: |
          Remove-Item 'c:/Windows/System32/drivers/etc/hosts'
          make test_elixir