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# Maintainer: dreieck
_pkgname=libusbpp
pkgname="${_pkgname}-git"
pkgver=date20170116_r25.a91a5ef
pkgrel=1
pkgdesc="A simple C++ wrapper around libusb providing some additional convenience functions."
arch=('i686' 'x86_64')
url="http://bitbucket.org/stativ/libusbpp"
license=('GPL3' 'LGPL3')
depends=(
  'libusb'
)
makedepends=(
  'cmake'
  'git'
)
provides=(
  "${_pkgname}"
  "${_pkgname}-hg=${pkgver}"
  "testhid"
  "testhid-hg=${pkgver}"
)
replaces=(
  "${_pkgname}-hg" # mercurial no longer provided on upstream, so switched to git.
)
conflicts=(
  "${_pkgname}"
  "${_pkgname}-hg"
  "testhid-hg"
  "testhid"
)
source=(
  "${_pkgname}::git+https://bitbucket.org/stativ/libusbpp.git"
  "libusbpp.pc.in"
)
sha256sums=(
  'SKIP'
  '47167c82b3fdbbc942465d7f23d07ddf88df34411ad0c245ac61f94735a178f4'
)

pkgver() {
  cd "${srcdir}/${_pkgname}"

  # _ver='latest'
  _rev="$(git rev-list --count HEAD)"
  _date="$(git log -n 1 --format=tformat:%ci | awk '{print $1}' | tr -d '-')"
  _hash="$(git rev-parse --short HEAD)"

  # if [ -z "${_ver}" ]; then
  #   echo "$0: Error: Could not determine version." >&2
  #   false
  #   return 1
  # fi
  if [ -z "${_rev}" ]; then
    echo "$0: Error: Could not determine git commit count." >&2
    false
    return 1
  fi
  if [ -z "${_hash}" ]; then
    echo "$0: Error: Could not determine latest git commit hash." >&2
    false
    return 1
  fi
  if [ -z "${_date}" ]; then
    echo "$0: Error: Could not determine latest git commit date." >&2
    false
    return 1
  fi

  printf "date%s_r%s.%s" "${_date}" "${_rev}" "${_hash}"
}

prepare() {
  cd "${srcdir}/${_pkgname}"

  msg2 "Creating git commit log ..."
  git log > "ChangeLog-git.txt"
}

build() {
  cd "${srcdir}/${_pkgname}"

  msg2 "Running 'cmake' ..."
  cmake . \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_COLOR_MAKEFILE=ON \
    -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
    -DCMAKE_VERBOSE_MAKEFILE=ON \
    -DCMAKE_CXX_FLAGS="${CXXFLAGS}" \
    -DCMAKE_C_FLAGS="${CFLAGS}" \
    -DCMAKE_EXE_LINKER_FLAGS="${LDFLAGS}" \
    -DCMAKE_MODULE_LINKER_FLAGS="${LDFLAGS}" \
    -DCMAKE_SHARED_LINKER_FLAGS="${LDFLAGS}"

  msg2 "Running 'make' ..."
  make

  msg2 "Converting to a shared '.so'-library ..."
  gcc ${CFLAGS} ${LDFLAGS} $(pkg-config --cflags --libs libusb-1.0) -shared -o "libusbpp.so" "src/libusbpp.a"

  msg2 "Generating pkg-config file ..."
  sed 's|@VERSION@|'"${pkgver}"'|g' "${srcdir}/libusbpp.pc.in" > 'libusbpp.pc'
}

package() {
  cd "${srcdir}/${_pkgname}"

  # Installation of main software.
  msg2 "Running 'make install' ..."
  make DESTDIR="${pkgdir}/" install

  msg2 "Remiving '.a'-file, Installing shared '.so'-lib ..."
  rm -v "${pkgdir}/usr/lib/libusbpp.a"
  install -Dvm644 "libusbpp.so" "${pkgdir}/usr/lib/libusbpp.so"

  msg2 "Installing pkg-config file ..."
  install -Dvm644 libusbpp.pc "${pkgdir}/usr/lib/pkgconfig/libusbpp.pc"

  # Install documentation
  msg2 "Inatalling documentation ..."
  for _docfile in ChangeLog-git.txt README; do
    install -Dvm644 "${_docfile}" "${pkgdir}/usr/share/doc/${_pkgname}/${_docfile}"
  done

  # Install license file.
  msg2 "Installing license file ..."
  install -Dvm644 COPYING "${pkgdir}/usr/share/licenses/${pkgname}/COPYING.txt"
  install -Dvm644 COPYING.LESSER "${pkgdir}/usr/share/licenses/${pkgname}/COPYING.LESSER.txt"
}