pkgbase=mingw-w64-nim-git
pkgname=("${MINGW_PACKAGE_PREFIX}-nim-git")
pkgver=20170404
pkgrel=1
arch=('i686' 'x86_64')
groups=('nim')
depends=("${MINGW_PACKAGE_PREFIX}-openssl")
makedepends=('git')
source=(git+https://github.com/nim-lang/Nim
        git+https://github.com/nim-lang/csources
        git+https://github.com/nim-lang/nimble
        git+https://github.com/nim-lang/nimsuggest
        "0001-Use-unixy-filenames-even-on-Windows.patch"
        "0002-Always-look-in-unix-paths.patch"
        "0003-Check-lib-nim-subdirectory.patch"
        "0004-Use-nimOldDlls.patch")
sha256sums=('SKIP' 'SKIP' 'SKIP' 'SKIP'
            '3010acbe7769ea214dd51f5889e3a26b44925001905deb04b060beaede2578f4'
            'fac04c8caa29a545275cd19a0fac597649c8ad9e7556fe65802e28c88c8905ac'
            '3cfe161bd1e19f621e2ff824a59362e4f3d4d2a4d27a2653bae1d83ba23ab9b1'
            'bbfa440d05cc2788caabd94623e35275519f0692f6ddfa00a7afcdddbb274888')

pkgver() {
  cd "$srcdir/Nim"
  git log -1 --format="%cd" --date=short | sed "s|-||g"
}

prepare() {
  cd "$srcdir/Nim"

  msg2 'Cloning csources...'
  [ -d csources ] && rm -rf csources
  git clone --local "$srcdir/csources"

  patch -p1 -i "${srcdir}/0001-Use-unixy-filenames-even-on-Windows.patch"
  patch -p1 -i "${srcdir}/0002-Always-look-in-unix-paths.patch"
  patch -p1 -i "${srcdir}/0003-Check-lib-nim-subdirectory.patch"
  patch -p1 -i "${srcdir}/0004-Use-nimOldDlls.patch"
}

build() {
  cd "$srcdir/Nim"

  msg2 'Building csources...'
  pushd csources
  sh build.sh
  popd

  msg2 'Building Nim...'
  ./bin/nim c -d:release koch
  ./koch boot -d:release -d:nativeStacktrace -d:useGnuReadline

  msg2 'Building Nimble...'
  ./koch nimble

  msg2 'Building nimgrep and nimsuggest...'
  ./koch tools

  msg2 'Building libnimrtl...'
  pushd lib
  ../bin/nim c --app:lib -d:createNimRtl -d:release nimrtl.nim
  popd
}

package() {
  pkgdesc="Compiled, garbage-collected systems programming language which has an excellent productivity/performance ratio"
  url="https://github.com/nim-lang/Nim"
  license=('MIT')
  options=('!emptydirs')
  provides=('nim' 'nimble')
  conflicts=('nim' 'nimble')

  cd "$srcdir/Nim"

  msg2 'Installing Nim license...'
  install -Dm 644 "copying.txt" -t "$pkgdir$MINGW_PREFIX/share/licenses/nim"

  msg2 'Installing Nim documentation...'
  install -dm 755 "$pkgdir$MINGW_PREFIX/share/doc/nim"
  cp -dpr --no-preserve=ownership examples web doc/* "$pkgdir$MINGW_PREFIX/share/doc/nim"

  msg2 'Installing Nim...'
  ./koch install "$pkgdir"
  install -Dm 755 bin/{nim,nimgrep} -t "$pkgdir$MINGW_PREFIX/bin"

  cd "$pkgdir/nim"
  install -dm 755 "$pkgdir$MINGW_PREFIX/etc" "$pkgdir$MINGW_PREFIX/lib/nim"
  find lib -mindepth 1 -maxdepth 1 -exec \
    cp -dpr --no-preserve=ownership '{}' "$pkgdir$MINGW_PREFIX/lib/nim" \;
  find config -mindepth 1 -maxdepth 1 -exec \
    cp -dpr --no-preserve=ownership '{}' "$pkgdir$MINGW_PREFIX/etc/" \;
  cp -dpr --no-preserve=ownership "$srcdir/Nim/lib/packages" \
    "$pkgdir$MINGW_PREFIX/lib/nim"

  # https://bugs.archlinux.org/task/50252
  msg2 'Fixing unusual placement of header files...'
  install -dm 755 "$pkgdir$MINGW_PREFIX/include"
  for _header in cycle nimbase; do
    cp "$pkgdir$MINGW_PREFIX/lib/nim/${_header}.h" "$pkgdir$MINGW_PREFIX/include/${_header}.h"
  done

  msg2 'Fixing unusual placement of shared object files...'
  cp "$pkgdir$MINGW_PREFIX/lib/nim/libnimrtl.dll" "$pkgdir$MINGW_PREFIX/lib/libnimrtl.dll"

  msg2 'Cleaning up pkgdir...'
  find "$pkgdir" -type d -name .git -exec rm -r '{}' +
  find "$pkgdir" -type f -name .gitignore -exec rm -r '{}' +
  rm -rf "$pkgdir/nim"

  # nimble

  cd "$srcdir/nimble"

  msg2 'Installing Nimble license...'
  install -Dm 644 license.txt -t "$pkgdir$MINGW_PREFIX/share/licenses/nimble"

  msg2 'Installing Nimble documentation...'
  install -Dm 644 *.markdown -t "$pkgdir$MINGW_PREFIX/share/doc/nimble"

  msg2 'Installing Nimble...'
  install -Dm 755 "$srcdir/Nim/bin/nimble" -t "$pkgdir$MINGW_PREFIX/bin"

  # Nimble looks for nimscriptapi.nim in /usr/bin/nimblepkg/, of all places.
  install -dm 755 "$pkgdir$MINGW_PREFIX/share/nimble"
  cp -dpr --no-preserve=ownership src/nimblepkg "$pkgdir$MINGW_PREFIX/share/nimble"
  cp -dpr --no-preserve=ownership "$pkgdir$MINGW_PREFIX/share/nimble" "$pkgdir$MINGW_PREFIX/bin/nimblepkg"

  msg2 'Installing Nimble bash completion...'
  install -Dm 644 nimble.bash-completion \
    "$pkgdir$MINGW_PREFIX/share/bash-completion/completions/nimble"
}