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pkgbase=swift-preview
pkgname=(swift-preview swift-lldb-preview)
_swiftver=3.0.2-PREVIEW-1
pkgver=${_swiftver//-/.}
pkgrel=1
pkgdesc="The Swift programming language and debugger - preview release"
arch=('i686' 'x86_64')
url="http://swift.org/"
license=('apache')
depends=('python2' 'libutil-linux' 'icu' 'libbsd' 'libedit' 'libxml2'
         'sqlite' 'ncurses' 'libkqueue')
makedepends=('git' 'cmake' 'ninja' 'swig' 'clang=3.8.1' 'python2-six' 'perl'
             'python2-sphinx')

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-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-integration-tests-${_swiftver}.tar.gz::https://github.com/apple/swift-integration-tests/archive/swift-${_swiftver}.tar.gz"
    "swift-sphinx2.patch" "xar-1.6.patch" "build-script.patch"
)
sha256sums=('7eeb7428fb1ad39d9158e0e2f6839fa8c7ca236b6567665c197a68ed15f316cb'
            '0aa804ef07c08b9d272092fb5c09c098bc90b6ce7a30b59f6260b970c10d3e5a'
            '31396e50669da0c74c4d92c1f939e033f331e9ffbdaa608dd8e2efeb14948116'
            'c8e81cef4f304838e17a14688de996735eba7389a42674cbee6c8edb18fdc7a7'
            '59afce8912f52becad53a2e42fe21c4c2e83a06375aea45ceec6a225f69e84e6'
            '82094ce38226fd67a98277aaee6555e90abba9350d193898c532555f793efdbf'
            'b4bea0895e9746c5e627a623401360a5dd7d5fd3f959c0a82b91874811344c11'
            '823851e55b6c5057a403253cdf0801f63a041fbde9a5b896c1617d8114226f50'
            '7cc4e87d833f4dcf7c8f5db4839e9b4c91df75bf82e17c2be544fabbb6959210'
            '000032d13a51251246748a059d623fe0bc9eafde0c8e5eb90256cd545832e28f'
            '8078957d2f1d42e1728e746eef33a79844239c213e1b1ff2bdeca1bf5244db53'
            '93bbe769666aab15b15d12e2423f213b39d6c47237eafc781569698c8367535f'
            'df27c2bfeaed6335f49a8815b0b296fd5acc331a6a9361a40f7dfc69a7518da6'
            '9f2512df8c495e2b8bf19fe213e951cdd17df9207538ceb8ab59a30bd6a18e3f')

prepare() {
    # Use python2 where appropriate
    find "$srcdir" -type f -print0 | \
         xargs -0 sed -i 's|/usr/bin/env python$|&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 lldb cmark llbuild; do
        ln -sf swift-${sdir}-swift-${_swiftver} ${sdir}
    done
    for sdir in corelibs-xctest corelibs-foundation corelibs-libdispatch \
                integration-tests
    do
        ln -sf swift-${sdir}-swift-${_swiftver} swift-${sdir}
    done
    ln -sf swift-swift-${_swiftver} swift
    ln -sf swift-package-manager-swift-${_swiftver} swiftpm

    # Sphinx 1.3.5 raises a warning (promoted to error) when using an unknown
    # syntax highlighting language (like "swift").
    ( cd "${srcdir}/swift" && patch -p1 -i "${srcdir}/swift-sphinx2.patch" )

    # Fix for xar 1.6.1+ (backported from LLVM trunk)
    ( cd "${srcdir}/llvm" && patch -p1 -i "${srcdir}/xar-1.6.patch" )

    # Typo in build-script
    ( cd "${srcdir}/swift" && patch -p1 -i "${srcdir}/build-script.patch" )
}

build() {
    cd "$srcdir/swift"

    export SWIFT_SOURCE_ROOT="$srcdir"
    export LDFLAGS='-ldl -lpthread'
    export PATH="$PATH:/usr/bin/core_perl"
    utils/build-script -R \
        --lldb --llbuild --swiftpm --xctest --foundation --libdispatch \
        -j "$(lscpu --parse=CPU | grep -v '^#' | wc -l)"
}

check() {
    cd "$srcdir/swift"

    export SWIFT_SOURCE_ROOT="$srcdir"
    utils/build-script -R -t
}

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

    cd "$srcdir/build/Ninja-ReleaseAssert"

    install -dm755 "$pkgdir/usr/bin"
    install -dm755 "$pkgdir/usr/lib/swift"

    # Swift's components don't provide an install target :(
    # These are based roughly on what's included in the binary release packages
    (
        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 -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} "$pkgdir/usr/lib/swift/"
    )
    (
        cd llbuild-linux-$CARCH
        install -m755 bin/swift-build-tool "$pkgdir/usr/bin"
    )
    (
        cd swiftpm-linux-$CARCH
        install -m755 debug/swift-{build,test,package} "$pkgdir/usr/bin"

        install -dm755 "$pkgdir/usr/lib/swift/pm"
        install -m755 lib/swift/pm/libPackageDescription.so "$pkgdir/usr/lib/swift/pm"
        install -m644 lib/swift/pm/PackageDescription.swiftmodule "$pkgdir/usr/lib/swift/pm"
    )
    (
        cd xctest-linux-$CARCH
        install -m755 libXCTest.so "$pkgdir/usr/lib/swift/linux/"
        install -m644 XCTest.swiftdoc "$pkgdir/usr/lib/swift/linux/$CARCH"
        install -m644 XCTest.swiftmodule "$pkgdir/usr/lib/swift/linux/$CARCH"
    )
    (
        cd foundation-linux-$CARCH
        install -m755 Foundation/libFoundation.so "$pkgdir/usr/lib/swift/linux/"
        install -m644 Foundation/Foundation.swiftdoc "$pkgdir/usr/lib/swift/linux/$CARCH"
        install -m644 Foundation/Foundation.swiftmodule "$pkgdir/usr/lib/swift/linux/$CARCH"

        umask 0022
        cp -r Foundation/usr/lib/swift/CoreFoundation "$pkgdir/usr/lib/swift/"
    )
    (
        cd libdispatch-linux-$CARCH
        make install DESTDIR="$pkgdir"
    )

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

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

    cd "$srcdir/build/Ninja-ReleaseAssert"

    # Install swift-capable lldb
    (
        cd lldb-linux-$CARCH
        DESTDIR="$pkgdir" ninja install
    )

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