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# Maintainer: Claudia Pellegrino <aur ät cpellegrino.de>

pkgname=packetry-git
pkgver=0.2.2.r765.282b54e
pkgrel=1
pkgdesc='USB 2.0 protocol analysis app for use with Cynthion'
arch=('x86_64')
url='https://github.com/greatscottgadgets/packetry'
license=('BSD-3-Clause')
depends=(
  'cairo'
  'gcc-libs'
  'gdk-pixbuf2'
  'glibc'
  'glib2'
  'gtk4'
  'hicolor-icon-theme'
  'pango'
)
makedepends=(
  'cargo'
  'git'
  'inkscape'
  'libgit2'
  'python-sphinx'
  'python-sphinx-inline-tabs'
  'python-sphinx_rtd_theme'
)
checkdepends=('at-spi2-core' 'xorg-server-xvfb')
provides=("packetry=${pkgver%.r*}")
conflicts=('packetry')
options=('!debug')

source=(
  "${pkgname}::git+https://github.com/greatscottgadgets/packetry.git"
  'icon.svg'  # From https://github.com/greatscottgadgets/packetry/pull/95
  'packetry.desktop'
)

sha512sums=(
  'SKIP'
  '1ab20c64195fb67204d1b0aab17e5f1d54b9d0b416074eb32fa5806a4618d0c6d3b5beb54473160690f56f969598b5d1c2de0eaaa5c87f43c14e18059d259212'
  '92b735f7cdd5c07797bd48cdffc4cef2218df1a0d0517a8acb6813e41a972a0881eadf617dfe7524f4ed48e5e14fd55743a986f50a707bfca0f279068f46e410'
)

pkgver() {
  printf "%s.r%s.%s" \
    "$(cargo pkgid --manifest-path "${pkgname}/Cargo.toml" | sed "s/^.*${pkgname%-git}@//")" \
    "$(git -C "${pkgname}" rev-list --count HEAD)" \
    "$(git -C "${pkgname}" rev-parse --short HEAD)"
}

prepare() {
  cd "${pkgname}"

  echo >&2 'Applying Sphinx compatibility fix'
  # See also:
  # https://github.com/sphinx-doc/sphinx/issues/10474#issuecomment-1140389657
  sed -i -e 's/^\(language =\).*/\1 "en"/' docs/source/conf.py

  echo >&2 'Downloading dependencies'
  export RUSTUP_TOOLCHAIN=stable
  # For some reason, `cargo test --frozen` wants dependencies for
  # unrelated targets, e.g. `cfg(target_os = "macos")`, too.
  # To work around that, run `cargo fetch` without `--target`.
  cargo fetch --locked
}

build() {
  cd "${pkgname}"
  export RUSTUP_TOOLCHAIN=stable
  export CARGO_TARGET_DIR=target
  echo >&2 'Building executable'
  # The `step-decoder`, `record-ui-test`, and `debug-region-map`
  # features are only for debugging.
  cargo build --frozen --release

  echo >&2 'Generating documentation'
  make -C docs man singlehtml

  echo >&2 'Generating application icons'
  for resolution in 16 22 32 48 64 256; do
    mkdir -p \
      "assets/icon-generated/${resolution}x${resolution}" \
      "assets/icon-generated/${resolution}x${resolution}@2"
    inkscape -w "${resolution}" --export-background-opacity=0 \
      --export-filename="assets/icon-generated/${resolution}x${resolution}/icon.png" \
      ../icon.svg
    inkscape -w "$((resolution * 2))" --export-background-opacity=0 \
      --export-filename="assets/icon-generated/${resolution}x${resolution}@2/icon.png" \
      ../icon.svg
  done
}

check() {
  cd "${pkgname}"
  export RUSTUP_TOOLCHAIN=stable
  echo >&2 'Running cargo tests'
  dbus-run-session xvfb-run -s '-nolisten local' \
    cargo test --frozen

  echo >&2 'Testing the executable'
  "target/release/${pkgname%-git}" --version > actual.txt
  if ! grep -q 'Packetry version \S* (git '"$(
    git -C "${pkgname}" rev-parse --short HEAD)" actual.txt
  then
    printf >&2 '%s\n' 'Unexpected test output:' '==='
    cat >&2 actual.txt
    printf >&2 '\n%s\n' '==='
    exit 1
  fi
}

package() {
  cd "${pkgname}"

  echo >&2 'Packaging the executable'
  install -D -m 755 -t "${pkgdir}/usr/bin/" \
    "target/release/${pkgname%-git}"

  echo >&2 'Packaging the documentation'
  install -D -m 644 -t "${pkgdir}/usr/share/doc/${pkgname}" \
    README.md
  cp -R --preserve=mode -t "${pkgdir}/usr/share/doc/${pkgname}" \
    docs/build/singlehtml/{index.html,_static}
  install -D -m 644 -t "${pkgdir}/usr/share/man/man1" \
    docs/build/man/*.1

  echo >&2 'Packaging the icons'
  for resolution in 16 22 32 48 64 256; do
    install -D -m 644 -T \
      "assets/icon-generated/${resolution}x${resolution}/icon.png" \
      "${pkgdir}/usr/share/icons/hicolor/${resolution}x${resolution}/apps/packetry.png"
    install -D -m 644 -T \
      "assets/icon-generated/${resolution}x${resolution}@2/icon.png" \
      "${pkgdir}/usr/share/icons/hicolor/${resolution}x${resolution}@2/apps/packetry.png"
  done

  echo >&2 'Packaging the desktop entry'
  install -D -m 644 -t "${pkgdir}/usr/share/applications" \
    ../packetry.desktop

  echo >&2 'Packaging the license'
  install -D -m 644 -t "${pkgdir}/usr/share/licenses/${pkgname}" \
    LICENSE
}