name: Build Audacity

on:
  push:
    # Remove the "#" from the next 2 lines if you need to disable this action
    #branches:
    #  - disable

jobs:
  build:
    # =========================================================================
    # Run asynchronous builds
    # =========================================================================
    strategy:
        fail-fast: false
        matrix:
            os: [windows-2019, ubuntu-16.04, ubuntu-18.04, macos-latest]
            #os: [macos-latest]

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

    env:
      USE_AUDACITY_WX: true

    steps:
    # =========================================================================
    # SHARED: Checkout source
    # =========================================================================
    - name: Checkout
      uses: actions/checkout@v2
      with:
        ref: master

    # =========================================================================
    # SHARED: Retrieve the commit hash and generate revision header
    # =========================================================================
    - name: Generate Header
      shell: bash
      run: |
        set -x

        # Generate the revision header
        git show -s --format="#define REV_LONG \"%H\"%n#define REV_TIME \"%cd\"%n" >src/RevisionIdent.h

        # Export the long and short hashs to further steps
        echo "::set-env name=LONGHASH::$(git show -s --format='%H')"
        echo "::set-env name=SHORTHASH::$(git show -s --format='%h')"

    # =========================================================================
    # SHARED: Retrieve the wxWidgets source and export the commit hash
    # =========================================================================
    - name: wxWidgets Hash
      shell: bash
      run: |
        set -x

        # Get latest wxWidgets source
        git clone --depth 1 -n https://github.com/audacity/wxWidgets
        cd wxWidgets

        # Export the commit hash to further steps
        echo "::set-env name=WXHASH::$(git show -s --format='%H')"

    # =========================================================================
    # SHARED: Create and/or retrieve wxWidgets cached build
    # =========================================================================
    - name: Cache wxWidgets
      uses: actions/cache@v1
      with:
        # Increment the number at the end to force recreation of the cache
        key: wxWidgets_${{ matrix.os }}_${{ env.WXHASH }}.8
        path: wxroot

    # =========================================================================
    # WINDOWS: Setup Nuget (for all versions of Windows) 
    # =========================================================================
    - name: Setup Nuget
      uses: nuget/setup-nuget@v1
      if: startswith( matrix.os, 'windows' )

    # =========================================================================
    # WINDOWS: Build (for all versions of Windows)
    # =========================================================================
    - name: Build Windows
      if: startswith( matrix.os, 'windows' )
      shell: cmd
      run: |
        :: Set up Visual Studio environment
        CALL "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars32.bat"
        ECHO ON

        :: Setup environment
        choco install zip

        :: Identify wxWidgets installation directory
        SET WXWIN=%GITHUB_WORKSPACE%\wxroot

        :: Build wxWidgets if needed
        IF NOT EXIST %WXWIN% (
            MKDIR %WXWIN%

            CD wxWidgets
            git checkout
            git submodule update --init

            :: Build it
            CD build\msw
            nmake -f makefile.vc BUILD=release SHARED=1
            IF NOT %ERRORLEVEL% == 0 EXIT %ERRORLEVEL%
            CD ..\..

            :: "Install" wxWidgets
            XCOPY include %WXWIN%\include /E /I /Q /Y
            XCOPY lib %WXWIN%\lib /E /I /Q /Y
            XCOPY locale %WXWIN%\locale /E /I /Q /Y
            XCOPY src %WXWIN%\src /E /I /Q /Y

            CD ..
        )

        :: Build Audacity
        CD win

        :: Restore packages (for gettext)
        nuget restore audacity.sln

        :: Build solution
        msbuild audacity.sln /m /p:Configuration=Release /p:Platform=Win32
        IF NOT %ERRORLEVEL% == 0 EXIT %ERRORLEVEL%

        :: "Install" Audacity
        MKDIR "%LONGHASH%"
        XCOPY Release "%LONGHASH%" /E /I /Q /Y
        XCOPY %WXWIN%\lib\vc_dll\*u_net_*.dll "%LONGHASH%" /E /I /Q /Y
        XCOPY %WXWIN%\lib\vc_dll\*u_vc_*.dll "%LONGHASH%" /E /I /Q /Y
        XCOPY %WXWIN%\lib\vc_dll\*u_xml_*.dll "%LONGHASH%" /E /I /Q /Y
        XCOPY %WXWIN%\lib\vc_dll\*u_adv_*.dll "%LONGHASH%" /E /I /Q /Y
        XCOPY %WXWIN%\lib\vc_dll\*u_core_*.dll "%LONGHASH%" /E /I /Q /Y
        XCOPY %WXWIN%\lib\vc_dll\*u_html_*.dll "%LONGHASH%" /E /I /Q /Y
        XCOPY %WXWIN%\lib\vc_dll\*u_qa_*.dll "%LONGHASH%" /E /I /Q /Y
        CD "%LONGHASH%"
        DEL /Q /S *.iobj *.exp *.ilk *.lib *.ipdb *.pdb include
        #CD ..

        :: Create artifact
        
        zip -r9 "..\..\%LONGHASH%.zip" *

    # =========================================================================
    # UBUNTU: Build (for all versions of Ubuntu)
    # =========================================================================
    - name: Build Ubuntu
      if: startswith( matrix.os, 'ubuntu' )
      shell: bash
      run: |
        set -x

        # Setup environment
        sudo apt-get install -y libgtk2.0-dev libasound2-dev autoconf automake zip

        # Identify wxWidgets installation directory
        WXROOT="${GITHUB_WORKSPACE}/wxroot"

        # Build wxWidgets if needed
        if [ ! -e "${WXROOT}" ]
        then
            mkdir "${WXROOT}"

            cd wxWidgets
            git checkout
            git submodule update --init

            ./configure --with-gtk
            make -j $(nproc) install DESTDIR="${WXROOT}"

            cd ..
        fi

        # "Install" wxWidgets
        sudo cp -a "${WXROOT}"/* /

        # Configure Audacity
        mkdir bld
        cd bld
        ../configure --with-lib-preference='local system'

        # Build lib-src first
        #
        # This allows using multiple make jobs (-j).  If not done this way
        # the build may fail (bug in our make process)
        cd lib-src
        make -j $(nproc)
        cd ..

        # And then the rest
        make -j $(nproc)

        # Identify installation directory
        DESTDIR="$(pwd)/linux"
        mkdir -p "${DESTDIR}"

        # Create wrapper script
        #
        # (This is only needed if using our wxWidgets libs)
        cat >"${DESTDIR}/audacity" <<"EOF"
        #!/bin/sh
        export LD_LIBRARY_PATH="${0%/*}:${LD_LIBRARY_PATH}"
        "${0%/*}/audacity.bin"
        EOF
        chmod +x "${DESTDIR}/audacity"

        # Copy over dist files
        cp -a audacity "${DESTDIR}/audacity.bin"
        cp -aL nyquist plug-ins "${DESTDIR}"
        mkdir "${DESTDIR}/help" "${DESTDIR}/locale/"
        cp -aL $(find locale/ -type d) "${DESTDIR}/locale/"

        # Copy wxWidgets libraries
        cp -a "${WXROOT}"/usr/local/lib/*.so* "${DESTDIR}"

        # Create artifact (zipped as Github actions don't preserve permissions)
        cd "${DESTDIR}"
        zip -r9 "${GITHUB_WORKSPACE}/${LONGHASH}.zip" *

    # =========================================================================
    # MACOS: Build (for all versions of MacOS)
    # =========================================================================
    - name: Build Mac
      if: startswith( matrix.os, 'macos' )
      shell: bash
      run: |
        set -x

        # The minimum OS X version supported by Audacity is 10.7.
        minver=10.7

        # Make the "msgfmt" command available
        brew install gettext
        brew link --force gettext

        # Make sure MacOS supplied commands are used
        export PATH="/usr/bin:/usr/sbin:/bin:/sbin:/usr/local/bin"

        # Identify wxWidgets installation directory
        WXROOT="${GITHUB_WORKSPACE}/wxroot"

        # Build wxWidgets if needed
        if [ ! -e "${WXROOT}" ]
        then
            mkdir "${WXROOT}"

            cd wxWidgets
            git checkout
            git submodule update --init

            # Make sure our flags are included
            export CXX="g++ -std=c++1z -stdlib=libc++"
            export LD="g++ -std=c++1z -stdlib=libc++"

            # Build x86_64, release, shared configuration
            ./configure --prefix=/usr/local/x86_64 \
                        --enable-debug=no \
                        --enable-macosx-arch="x86_64" \
                        --enable-shared=yes \
                        --enable-unicode=yes \
                        --enable-universal_binary=no \
                        --enable-webkit=no \
                        --enable-webviewwebkit=no \
                        --with-expat=builtin \
                        --with-flavour="release" \
                        --with-libjpeg=builtin \
                        --with-libpng=builtin \
                        --with-libtiff=builtin \
                        --with-macosx-version-min="${minver}" \
                        --with-regex=builtin \
                        --with-zlib=builtin \
                        --without-liblzma

            ${run} make -j $(sysctl -n hw.ncpu) install DESTDIR="${WXROOT}"

            unset CXX LD

            cd ..
        fi

        # "Install" wxWidgets
        sudo cp -a "${WXROOT}/usr/local" /usr/

        # Build Audacity
        cd mac

        # Temporary workaround until they can be incorporated into
        # the Xcode project itself
        sed -i '' -e "s/TARGET=10.9/TARGET=${minver}/g" \
                  -e "s/macosx10.9/macosx/g" Audacity.xcodeproj/project.pbxproj

        xcodebuild -configuration Release64 install 
        cd ..

        # "Install" Audacity
        mkdir -p macos
        cp -a /tmp/Audacity.dst/Audacity.app macos
        
        # Create artifact (zipped as Github actions don't preserve permissions)
        cd "/tmp/Audacity.dst"
        zip -r9 "${GITHUB_WORKSPACE}/${LONGHASH}.zip" *

    # =========================================================================
    # SHARED: Attach the artifact to the workflow results
    # =========================================================================
    - name: Upload artifact
      uses: actions/upload-artifact@v1
      with:
        name: ${{ matrix.os }}_${{ env.SHORTHASH }}
        path: ${{ env.LONGHASH }}.zip