ci-macvim.yaml

name: MacVim GitHub CI

on:
  push:
  pull_request:

# Cancels all previous workflow runs for pull requests that have not completed.
concurrency:
  # The concurrency group contains the workflow name and the branch name for
  # pull requests or the commit hash for any other events.
  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.sha }}
  cancel-in-progress: true

env:
  MACOSX_DEPLOYMENT_TARGET: '10.13'
  MACOSX_DEPLOYMENT_TARGET_LEGACY: '10.9'

  MACVIM_ARCHS: "x86_64 arm64"  # Universal app for Intel/Apple Silicon
  MACVIM_ARCHS_LEGACY: "x86_64" # Legacy builds only need to build x86-64 because Apple Silicon can't run on these old OSes

  CC: clang

  VERSIONER_PERL_VERSION: '5.30'  # macOS default Perl installation uses this to determine which one to use
  PYTHON3_VERSION: '3.11'         # Make sure to keep src/MacVim/vimrc synced with the Python version here for the Python DLL detection logic.

  vi_cv_path_python: /usr/local/bin/python
  vi_cv_path_python3: /usr/local/bin/python3
  vi_cv_path_plain_lua: /usr/local/bin/lua
  vi_cv_path_ruby: /usr/local/opt/ruby/bin/ruby
  vi_cv_dll_name_perl: /System/Library/Perl/%s/darwin-thread-multi-2level/CORE/libperl.dylib
  vi_cv_dll_name_python: /usr/local/Frameworks/Python.framework/Versions/2.7/Python
  vi_cv_dll_name_python3: /usr/local/Frameworks/Python.framework/Versions/%s/Python
  vi_cv_dll_name_python3_arm64: /opt/homebrew/Frameworks/Python.framework/Versions/%s/Python
  vi_cv_dll_name_ruby: /usr/local/opt/ruby/lib/libruby.dylib
  vi_cv_dll_name_ruby_arm64: /opt/homebrew/opt/ruby/lib/libruby.dylib
  vi_cv_dll_name_lua_arm64: /opt/homebrew/lib/liblua.dylib

  VIM_BIN: src/MacVim/build/Release/MacVim.app/Contents/MacOS/Vim
  MACVIM_BIN: src/MacVim/build/Release/MacVim.app/Contents/MacOS/MacVim

  TERM: xterm
  BASH_SILENCE_DEPRECATION_WARNING: 1

jobs:
  # Builds and test MacVim
  build-and-test:

    # Test on macOS 11.x / 12.x, and also older versions of Xcode for compatibility testing.
    strategy:
      fail-fast: false
      matrix:
        include:
          # Oldest version of Xcode supported on GitHub Action to test source code backwards compatibility
          - os: macos-11
            xcode: '11.7'
            extra: [vimtags]

          # Older version of Xcode, and used to publish legacy builds (for macOS 10.9 - 10.12)
          - os: macos-12
            xcode: '14.0' # last version of Xcode that uses the macOS 12 SDK, which still supports deploying to macOS 10.9
            publish: true
            legacy: true
            publish_postfix: '_10.9'

          # Most up to date OS and Xcode. Used to publish release for the main build.
          - os: macos-12
            xcode: '14.2'
            publish: true

    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up legacy build
        if: matrix.legacy
        run: |
          # Set the correct build env vars to target the correct architectures and min OS targets.
          echo "MACOSX_DEPLOYMENT_TARGET=$MACOSX_DEPLOYMENT_TARGET_LEGACY" >> $GITHUB_ENV
          echo "MACVIM_ARCHS=$MACVIM_ARCHS_LEGACY" >> $GITHUB_ENV

          # Use Sparkle 1 because Sparkle 2 requires newer OS version than our legacy build.
          # Later, we pass the --enable-sparkle_1 flag to configure to set the corresponding ifdef.
          ln -fhs Sparkle_1.framework src/MacVim/Sparkle.framework

      - name: Set up Xcode
        if: matrix.xcode != ''
        run: |
          sudo xcode-select -s /Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer
          xcode-select -p
          xcodebuild -version

      # Set up, install, and cache gettext library for localization.
      #
      # Instead of using the default binary installed by Homebrew, need to build our own because gettext is statically
      # linked in MacVim, and need to be built against MACOSX_DEPLOYMENT_TARGET to ensure the built binary will work on
      # supported macOS versions.
      #
      # In addition, to support building a universal MacVim, we need an arm64 version of gettext as well in order to
      # create a universal gettext binary to link against (Homebrew only distributes thin binaries and therefore this
      # has to be done manually). To do that, we will just pull the bottle directly from Homebrew and patch it in using
      # lipo. We can't use normal brew commands to get the bottle because brew doesn't natively support cross-compiling
      # and we are running CI on x86_64 Macs. We also don't need to worry about the min deployment target fix on arm64
      # because all Apple Silicon Macs have to run on macOS 11+.

      - name: Set up gettext
        if: matrix.publish
        uses: ./.github/actions/universal-package
        with:
          formula: gettext
          contents: lib/libintl.a,lib/libintl.dylib

      # Set up, install, and cache libsodium library for encryption.

      - name: Set up libsodium
        if: matrix.publish
        uses: ./.github/actions/universal-package
        with:
          formula: libsodium
          contents: lib/libsodium.a,lib/libsodium.dylib

      # Set up remaining packages and tools

      - name: Install packages
        if: matrix.publish
        run: |
          brew install python3
          brew install ruby
          brew install lua

          # CI sometimes have custom installed Python instead of using Homebrew. Forcefully re-
          # link Python, and then check that we are using the Homebrew version. This avoids us
          # using a mystery Python installation that we don't control.
          brew unlink python3 && brew link --overwrite python3
          readlink -f $vi_cv_path_python3 | grep "^$(brew --cellar python3)"

          if [[ -d /usr/local/Cellar/perl ]]; then
            # We just use system perl to reduce dependencies
            brew unlink perl
          fi

          # With Perl and Python, we need to manually specify the version number for various reasons
          # (e.g. library paths include the version number). Because of that, check that the version
          # matches the expectation and fail if they don't, so we can go and fix it. Only do for
          # Python because a wrong Perl version would just fail the build later.
          if [[ "$(python3 --version)" != *"Python $PYTHON3_VERSION"* ]]; then
            printf "\n"
            echo "Wrong Python 3 version: $(python3 --version). Expected $PYTHON3_VERSION."
            printf "\n"
            echo "This likely happened because Homebrew was updated to point to a newer version of"
            echo "Python 3. Update PYTHON3_VERSION to fix this."
            exit -1
          fi

          echo "vi_cv_dll_name_perl=$(printf $vi_cv_dll_name_perl $VERSIONER_PERL_VERSION)" >> $GITHUB_ENV
          echo "vi_cv_dll_name_python3=$(printf $vi_cv_dll_name_python3 $PYTHON3_VERSION)" >> $GITHUB_ENV
          echo "vi_cv_dll_name_python3_arm64=$(printf $vi_cv_dll_name_python3_arm64 $PYTHON3_VERSION)" >> $GITHUB_ENV

      # All set up steps are done. Build and test MacVim below.

      - name: Configure
        run: |
          set -o verbose

          CONFOPT=(
            --with-features=huge
            --enable-netbeans
            --with-tlib=ncurses
            --enable-cscope
            --enable-gui=macvim
            --with-compiledby="GitHub Actions"
          )
          if ${{ matrix.publish == true }}; then
            CONFOPT+=(
              --enable-perlinterp=dynamic
              --enable-pythoninterp=dynamic
              --enable-python3interp=dynamic
              --enable-rubyinterp=dynamic
              --enable-luainterp=dynamic
              --with-lua-prefix=/usr/local
              --with-macarchs="$MACVIM_ARCHS"
            )
          else
            CONFOPT+=(
              --with-macarchs=x86_64
              --disable-sparkle       # Disable Sparkle for testing that this flag builds and works
            )
          fi
          if ${{ matrix.legacy == true }}; then
            CONFOPT+=(
              --enable-sparkle_1
            )
          fi
          echo "CONFOPT: ${CONFOPT[@]}"

          ./configure "${CONFOPT[@]}" --enable-fail-if-missing

          sed -i.bak -f ci/config.mk.sed -f ci/config.mk.clang.sed src/auto/config.mk
          if clang --version | grep -qs '^Apple clang version \(1[3-9]\|[2-9]\d\)\.'; then
            sed -i.bak -f ci/config.mk.clang-12.sed src/auto/config.mk
          fi

      - name: Modify configure result
        if: matrix.publish
        run: |
          # Ruby is keg-only in Homebrew, so need to manually link in the path so Vim will know where to look for the binaries.
          perl -p -i -e "s#(?<=-DDYNAMIC_RUBY_DLL=\\\\\").*?(?=\\\\\")#${vi_cv_dll_name_ruby}#" src/auto/config.mk
          grep -q -- "-DDYNAMIC_PERL_DLL=\\\\\"${vi_cv_dll_name_perl}\\\\\"" src/auto/config.mk
          grep -q -- "-DDYNAMIC_PYTHON_DLL=\\\\\"${vi_cv_dll_name_python}\\\\\"" src/auto/config.mk
          grep -q -- "-DDYNAMIC_PYTHON3_DLL=\\\\\"${vi_cv_dll_name_python3}\\\\\"" src/auto/config.mk
          grep -q -- "-DDYNAMIC_RUBY_DLL=\\\\\"${vi_cv_dll_name_ruby}\\\\\"" src/auto/config.mk

          # Also search for the arm64 overrides for the default library locations, which are different from x86_64
          # because Homebrew puts them at a different place.
          grep -q -- "-DDYNAMIC_PYTHON3_DLL_ARM64=\\\\\"${vi_cv_dll_name_python3_arm64}\\\\\"" src/auto/config.mk
          grep -q -- "-DDYNAMIC_RUBY_DLL_ARM64=\\\\\"${vi_cv_dll_name_ruby_arm64}\\\\\"" src/auto/config.mk
          grep -q -- "-DDYNAMIC_LUA_DLL_ARM64=\\\\\"${vi_cv_dll_name_lua_arm64}\\\\\"" src/auto/config.mk

      - name: Show configure output
        run: |
          cat src/auto/config.mk
          cat src/auto/config.h

      - name: Build
        env:
          LC_ALL: C
        run: |
          set -o verbose

          NPROC=$(getconf _NPROCESSORS_ONLN)
          echo "Building MacVim with ${NPROC} cores"

          make -j${NPROC}

      - name: Check version
        run: |
          ${VIM_BIN} --version
          ${VIM_BIN} -u NONE -i NONE --not-a-term -esNX -V1 -c 'echo "\nprof_nsec:" .. has("prof_nsec") .. "\n"' -c quit
          ${VIM_BIN} -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-1.vim -c quit
          ${VIM_BIN} -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-2.vim -c quit

      - name: Smoketest
        run: |
          set -o verbose

          # Make sure there isn't any dynamic linkage to third-party dependencies in the built binary, as we should only use
          # static linkage to avoid dependency hell. Test that all those dylib's are in /usr/lib which is bundled with macOS and not third-party.
          if otool -L ${VIM_BIN} | grep '\.dylib\s' | grep -v '^\s*/usr/lib/'; then
            echo 'Found external dynamic linkage!'; false
          fi

          # Make sure that --disable-sparkle flag will properly exclude all references to Sparkle symbols. This is
          # necessary because we still use weak linking to Sparkle when that flag is set and so references to Sparkle
          # wouldn't fail the build (we just remove Sparkle.framework from the built app after the fact).
          if ${{ matrix.publish == false }}; then
            # Currently we pass --disable-sparkle flag when publish==false
            if objdump -t ${MACVIM_BIN} | grep "_SPU\|_SUUpdate"; then
              echo 'Found references to Sparkle even when using --disable-sparkle'; false
            fi
          fi

      - name: Smoketest (publish)
        if: matrix.publish
        run: |
          set -o verbose

          macvim_excmd() {
            ${VIM_BIN} -u NONE -i NONE -g -f -X -V1 -es "$@" -c 'echo ""' -c 'qall!' 2>&1
          }

          # Smoketest scripting languages
          macvim_excmd -c 'lua print("Test")'     | grep Test
          macvim_excmd -c 'perl VIM::Msg("Test")' | grep Test
          macvim_excmd -c 'py print "Test"'       | grep Test
          macvim_excmd -c 'py3 print("Test")'     | grep Test
          macvim_excmd -c 'ruby puts("Test")'     | grep Test

          # Check that localized messages work by printing ':version' and checking against localized word
          macvim_excmd -c 'lang es_ES' -c 'version' | grep Enlazado

          # Check that libsodium is working
          macvim_excmd -c 'set cryptmethod=xchacha20'

          # Make sure we are building universal x86_64 / arm64 builds and didn't accidentally create a thin app.
          check_arch() {
            local archs=($(lipo -archs "$1"))
            if [[ ${archs[@]} != "$MACVIM_ARCHS" ]]; then
              echo "Wrong arch(s) in $1: ${archs[@]}"; false
            else
              lipo -info "$1"
            fi
          }
          check_arch "${VIM_BIN}"
          check_arch "${MACVIM_BIN}"

      - name: Check Vim help tags
        if: contains(matrix.extra, 'vimtags')
        run: |
          # Confirm that we can build the help tags, and they match what's in source.
          make -C runtime/doc vimtags VIMEXE=../../${VIM_BIN}
          git diff --exit-code -- runtime/doc/tags

      - name: Test
        timeout-minutes: 20
        run: make test

      - name: Test GUI
        timeout-minutes: 20
        run: |
          make -C src/testdir clean
          make -C src testgui

      # Creates a DMG package of MacVim. Note that this doesn't create a GitHub release for us, because we would prefer to
      # do it manually, for two reasons: 1) signing / notarization are currently done out of CI, 2) we want to manually
      # format our release notes and add pictures to make them look nice.
      - name: Build MacVim dmg image
        if: startsWith(github.ref, 'refs/tags/') && matrix.publish
        run: |
          # Use the --skip-jenkins flag to skip the prettify osascript calls which could fail due to permission issues in
          # CI environment.
          if ${{ matrix.legacy == true }}; then
            make -C src macvim-dmg-legacy CREATEDMG_FLAGS=--skip-jenkins
          else
            make -C src macvim-dmg CREATEDMG_FLAGS=--skip-jenkins
          fi

          if ${{ matrix.publish_postfix != '' }}; then
            mv src/MacVim/build/Release/MacVim.dmg src/MacVim/build/Release/MacVim${{ matrix.publish_postfix }}.dmg
          fi

      - name: Upload MacVim image
        if: startsWith(github.ref, 'refs/tags/') && matrix.publish
        uses: actions/upload-artifact@v3
        with:
          name: MacVim${{ matrix.publish_postfix  }}.dmg
          path: src/MacVim/build/Release/MacVim${{ matrix.publish_postfix }}.dmg