# Maintainer: Michael Hansen <zrax0111 gmail com>

pkgbase=swift-development
pkgname=(swift-development swift-lldb-development)
_swiftver=DEVELOPMENT-SNAPSHOT-2020-06-29-a
pkgver=${_swiftver//-/.}
pkgrel=1
pkgdesc="The Swift programming language and debugger - latest development snapshot"
arch=('i686' 'x86_64')
url="http://swift.org/"
license=('apache')
depends=('python' 'libutil-linux' 'icu' 'libbsd' 'libedit' 'libxml2'
         'sqlite' 'ncurses')
makedepends=('git' 'cmake' 'ninja' 'swig' 'clang>=3.8' 'python2-six' 'perl'
             'python2-sphinx' 'python2-requests' 'rsync')

_libpwq_ref=18437d2be372f4422b207ec6442c8caf7974025d
source=(
    "swift-${_swiftver}.tar.gz::https://github.com/apple/swift/archive/swift-${_swiftver}.tar.gz"
    "swift-cmark-${_swiftver}.tar.gz::https://github.com/apple/swift-cmark/archive/swift-${_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-llbuild-${_swiftver}.tar.gz::https://github.com/apple/swift-llbuild/archive/swift-${_swiftver}.tar.gz"
    "llvm-project-${_swiftver}.tar.gz::https://github.com/apple/llvm-project/archive/swift-${_swiftver}.tar.gz"
    "swift-package-manager-${_swiftver}.tar.gz::https://github.com/apple/swift-package-manager/archive/swift-${_swiftver}.tar.gz"
)
sha256sums=(
    'SKIP'
    'SKIP'
    'SKIP'
    'SKIP'
    'SKIP'
    'SKIP'
    'SKIP'
    'SKIP'
    'SKIP'
)

prepare() {
    # not sure where diagnostics is included, pip install it
    pip install diagnostics

    # Use directory names which build-script expects
    rm -rf llvm-project
    ln -sf llvm-project-swift-${_swiftver} llvm-project

    for sdir in cmark llbuild
    do
        rm -rf ${sdir}
        mv swift-${sdir}-swift-${_swiftver} ${sdir}
    done
    for sdir in corelibs-xctest corelibs-foundation corelibs-libdispatch \
                integration-tests
    do
        rm -rf swift-${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
}

_common_build_params=(
    --install-prefix=/usr
    --lldb
    --llbuild
    --swiftpm
    --xctest
    --foundation
    --libdispatch
)

build() {
    cd "$srcdir/swift"

    export SWIFT_SOURCE_ROOT="$srcdir"
    export PATH="$PATH:/usr/bin/core_perl"
    utils/build-script -R "${_common_build_params[@]}"

    # Run the build a second time, this time with SourceKit enabled
    # This is required because SourceKit depends on libdispatch, which
    # in turn depends on swift, where SourceKit is located
    utils/build-script -R "${_common_build_params[@]}" \
        --extra-cmake-options="-DSWIFT_BUILD_SOURCEKIT=TRUE" \
        --reconfigure

    # Fix the lldb swig binding's import path (matches Arch LLDB package)
    # Need to do this before check(), 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"
}

check() {
    cd "$srcdir/swift"

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

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

    cd "$srcdir/swift"

    export SWIFT_SOURCE_ROOT="$srcdir"
    utils/build-script -R "${_common_build_params[@]}" \
        --install-destdir="$pkgdir" \
        --install-llbuild --install-swiftpm --install-xctest \
        --install-foundation

    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} "$pkgdir/usr/lib/swift/"
    )
    (
        cd libdispatch-linux-$CARCH
        make install DESTDIR="$pkgdir"
    )

    # Some install targets provide an empty /usr/local/include
    rmdir "$pkgdir/usr/local/include"
    rmdir "$pkgdir/usr/local"

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

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

    cd "$srcdir/swift"

    export SWIFT_SOURCE_ROOT="$srcdir"
    utils/build-script -R "${_common_build_params[@]}" \
        --install-destdir="$pkgdir" \
        --install-lldb

    # 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"
}