# Maintainer: Michael Hansen <zrax0111 gmail com>

pkgbase=swift-language
pkgname=(swift swift-lldb)
_swiftver=5.0.2-RELEASE
pkgver=${_swiftver//-RELEASE/}
pkgrel=1
pkgdesc="The Swift programming language and debugger"
arch=('i686' 'x86_64')
url="http://swift.org/"
license=('apache')
depends=('python2' 'libutil-linux' 'icu' 'libbsd' 'libedit' 'libxml2'
         'sqlite' 'ncurses' 'libblocksruntime')
makedepends=('git' 'cmake' 'ninja' 'swig3' 'clang>=5.0' 'python2-six' 'perl'
             'python2-sphinx' 'python2-requests' 'rsync')

source=(
    "swift-${_swiftver}.tar.gz::https://github.com/apple/swift/archive/swift-${_swiftver}.tar.gz"
    "swift-llvm-${_swiftver}.tar.gz::https://github.com/apple/swift-llvm/archive/swift-${_swiftver}.tar.gz"
    "swift-clang-${_swiftver}.tar.gz::https://github.com/apple/swift-clang/archive/swift-${_swiftver}.tar.gz"
    "swift-clang-tools-extra-${_swiftver}.tar.gz::https://github.com/apple/swift-clang-tools-extra/archive/swift-${_swiftver}.tar.gz"
    "swift-libcxx-${_swiftver}.tar.gz::https://github.com/apple/swift-libcxx/archive/swift-${_swiftver}.tar.gz"
    "swift-lldb-${_swiftver}.tar.gz::https://github.com/apple/swift-lldb/archive/swift-${_swiftver}.tar.gz"
    "swift-cmark-${_swiftver}.tar.gz::https://github.com/apple/swift-cmark/archive/swift-${_swiftver}.tar.gz"
    "swift-llbuild-${_swiftver}.tar.gz::https://github.com/apple/swift-llbuild/archive/swift-${_swiftver}.tar.gz"
    "swift-package-manager-${_swiftver}.tar.gz::https://github.com/apple/swift-package-manager/archive/swift-${_swiftver}.tar.gz"
    "swift-corelibs-xctest-${_swiftver}.tar.gz::https://github.com/apple/swift-corelibs-xctest/archive/swift-${_swiftver}.tar.gz"
    "swift-corelibs-foundation-${_swiftver}.tar.gz::https://github.com/apple/swift-corelibs-foundation/archive/swift-${_swiftver}.tar.gz"
    "swift-corelibs-libdispatch-${_swiftver}.tar.gz::https://github.com/apple/swift-corelibs-libdispatch/archive/swift-${_swiftver}.tar.gz"
    "swift-compiler-rt-${_swiftver}.tar.gz::https://github.com/apple/swift-compiler-rt/archive/swift-${_swiftver}.tar.gz"
    "swift-integration-tests-${_swiftver}.tar.gz::https://github.com/apple/swift-integration-tests/archive/swift-${_swiftver}.tar.gz"
    "glibc-includes.patch"
)
sha256sums=('97e8999d4bead9b91bd38812ca13d8b50df4f813880c383635f28baaa13c83ed'
            '1d58eb4f8e5261a9ee5352ffc93bc50e414fd39aecb99926810143c31cb48fa2'
            'cb2a1ac6e1866eed71344d83d2c0c42caeb356363bcdafda7d1bc18990e5e544'
            'a3dd3ced16ae37742dcc172487c06eed9d75a65a3ab97a5ea82e9b9c5b79c8bf'
            '8a0f7d8cf85ad281e086e9dfeb40dccdbe7ec904c5d4a9cb70d2533c03730ecf'
            'b0e85d3775a74e59d73585f325d6efb543f383ae9968e260c15ffd7105826340'
            'e5254ff064cb96d2382567f4aacf950df82f2fa76fdf3ea9be75a8d89e5b0350'
            '1b4f13a220852ce6cfffa8a76697edc88cfeac033691c7600ebc9115454bb9b1'
            '772c03af4c4462744739314304a003d707ad3d28d2e21ca39b9905dead187911'
            '300dd0ea07e19e64afe6a0641b15d67b88e693e16c4b5f12241d89cc9ccd37e5'
            '96c857f021ec34af09e7ad2f64dea106b575af2a83c099f1522adadf8b6d578c'
            '2d979b3cf78285c9c66aede4ed386837c45c12cab2eb1ac6047cf245a003716f'
            '7bf7ec65542fa22434c83bee786f232af3289533b9695c15dce536be6a15ecd7'
            'd4eff16e423e0f9cce81abf0be00c6fb660ff9d1559c3629466a8015360d620c'
            '6a94de9adbdc4182b297e0011a68c9387fd25864dcb4386654218c8c530032c2')

prepare() {
    # Use python2 where appropriate
    find "$srcdir" -type f -print0 | \
         xargs -0 sed -i 's|/usr/bin/env python$|&2|;s|/usr/bin/python$|&2|'
    find "$srcdir/swift-lldb-swift-${_swiftver}" -name Makefile -print0 | \
         xargs -0 sed -i 's|python-config|python2-config|g'
    sed -i '/^cmake_minimum_required/a set(Python_ADDITIONAL_VERSIONS 2.7)' \
         "$srcdir/swift-swift-${_swiftver}/CMakeLists.txt"
    sed -i '/^cmake_minimum_required/a set(Python_ADDITIONAL_VERSIONS 2.7)' \
         "$srcdir/swift-lldb-swift-${_swiftver}/CMakeLists.txt"
    sed -i 's/\<python\>/&2/' \
         "$srcdir/swift-swift-${_swiftver}/utils/build-script-impl"

    # Use directory names which build-script expects
    for sdir in llvm clang clang-tools-extra libcxx lldb cmark llbuild \
                compiler-rt
    do
        rm -rf ${sdir}
        mv swift-${sdir}-swift-${_swiftver} ${sdir}
    done
    for sdir in corelibs-xctest corelibs-foundation corelibs-libdispatch \
                integration-tests
    do
        rm -rf ${sdir}
        mv swift-${sdir}-swift-${_swiftver} swift-${sdir}
    done
    rm -rf swift swiftpm
    mv swift-swift-${_swiftver} swift
    mv swift-package-manager-swift-${_swiftver} swiftpm

    # Fix wrong glibc include paths in glibc module map
    ( cd swift && patch -p1 -i "$srcdir/glibc-includes.patch" )
}

_common_build_params=(
    --install-prefix=/usr
    --lldb
    --llbuild
    --swiftpm
    --xctest
    --foundation
    --libdispatch
    --extra-cmake-options="-DSWIG_EXECUTABLE=/usr/bin/swig-3"
)

_build_script_wrapper() {
    export SWIFT_SOURCE_ROOT="$srcdir"
    ./utils/build-script "$@"
}

build() {
    cd "$srcdir/swift"

    export PATH="$PATH:/usr/bin/core_perl"
    _build_script_wrapper -R "${_common_build_params[@]}"
}

check() {
    cd "$srcdir/swift"

    # Fix the lldb swig binding's import path (matches Arch LLDB package)
    # Need to do this here as well as the install since the test suite
    # uses the lldb python bindings directly from the build dir
    sed -i "/import_module('_lldb')/s/_lldb/lldb.&/" \
        "${srcdir}/build/Ninja-ReleaseAssert/lldb-linux-${CARCH}/lib/python2.7/site-packages/lldb/__init__.py"

    _build_script_wrapper -R -t
}

package_swift() {
    pkgdesc='The Swift programming language compiler and tools'
    provides=('swift-language')
    conflicts=('swift-language-git' 'swift-git' 'swift-bin')
    optdepends=('swift-lldb: Swift REPL and debugger')

    cd "$srcdir/swift"

    _build_script_wrapper -R "${_common_build_params[@]}" \
        --install-destdir="$pkgdir" \
        --install-llbuild --install-swiftpm --install-xctest \
        --install-foundation --install-libdispatch

    cd "$srcdir/build/Ninja-ReleaseAssert"

    # Some projects' install targets don't work correctly :(
    (
        cd swift-linux-$CARCH
        install -m755 bin/swift bin/swift-{demangle,ide-test} "$pkgdir/usr/bin"
        ln -s swift "$pkgdir/usr/bin/swiftc"
        ln -s swift "$pkgdir/usr/bin/swift-autolink-extract"

        install -m644 lib/libsourcekitdInProc.so "$pkgdir/usr/lib"

        install -dm755 "$pkgdir/usr/share/man/man1"
        install -m644 docs/tools/swift.1 "$pkgdir/usr/share/man/man1"

        umask 0022
        cp -rL lib/swift/{clang,linux,shims} "$pkgdir/usr/lib/swift/"
    )

    # License file
    install -dm755 "$pkgdir/usr/share/licenses/swift"
    install -m644 "$srcdir/swift/LICENSE.txt" "$pkgdir/usr/share/licenses/swift"
}

package_swift-lldb() {
    pkgdesc='The Swift programming language debugger (LLDB) and REPL'
    depends=('swift' 'python2-six')
    provides=('lldb')
    conflicts=('lldb')
    options=('!strip')  # Don't strip repl_swift -- we need its symbols

    cd "$srcdir/swift"

    _build_script_wrapper -R "${_common_build_params[@]}" \
        --install-destdir="$pkgdir" \
        --install-lldb

    # Fix the lldb swig binding's import path (matches Arch LLDB package)
    # We have to do this again because the build-script recreates the "bad"
    # version of the source file.
    sed -i "/import_module('_lldb')/s/_lldb/lldb.&/" \
        "${pkgdir}/usr/lib/python2.7/site-packages/lldb/__init__.py"

    # This should be provided from python2-six
    rm "$pkgdir/usr/lib/python2.7/site-packages/six.py"
    rm "$pkgdir/usr/lib/python2.7/site-packages/six.pyc"
}