[aur-general] RFC: PKGBUILD for nixnote2-git

[Tom Hale]

I took over the disowned package nixnote2-git.

Attached is my first attempt at a PKGBUILD. I would appreciate 
constructive feedback.

Thanks in advance,

-- 
Tom Hale
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# Maintainer: Tom Hale <tom[noodle]hale[point]ee>
# Contributor: twa022 <twa022 at gmail dot com>

# Build the highest versioned tag of nixnote2.
# For versioning, see https://github.com/robert7/nixnote2/issues/28

_pkgname=nixnote2
_repo_url="https://github.com/robert7/${_pkgname}.git"
pkgname=${_pkgname}-git
pkgver=2.1.0.beta4g
pkgrel=1
pkgdesc="Evernote clone (formerly Nevernote) - latest tagged version"
url="https://github.com/robert7/nixnote2"
arch=(x86_64)
license=('GPL3')
depends=(tidy java-runtime hicolor-icon-theme poppler-qt5 qt5-webkit)
makedepends=(git)
provides=("nixnote=${pkgver%.r*}" "nixnote2=${pkgver%.r*}")
replaces=(nevernote nixnote nixnote-beta)
source=("${_pkgname}"::git+$_repo_url)
sha256sums=('SKIP')

set -o pipefail

# Get the tag of the commit to use
# Separated out to allow for `makepkg -e` not running prepare()
_get_tag() {
  _tag=$(git -c 'versionsort.suffix=-' ls-remote -t --exit-code --refs --sort=-v:refname \
    "$_repo_url" 'v*' \
    | sed -E 's/^[[:xdigit:]]+[[:space:]]+refs\/tags\/(.+)/\1/g' | head -n1)
  echo "Selected git tag: $_tag" >&2  # To STDERR as called from pkgver()
}

prepare() {
  _get_tag
  cd "$srcdir/$_pkgname"
  git reset --hard "$_tag"
}

pkgver() {
  cd "$srcdir/$_pkgname"
  [[ -z ${_tag-} ]] && _get_tag
  # Example: v2.1.0-beta3  ->  2.1.0.beta3
  echo "$_tag" | sed -E 's/^v//;s/-/./'
}

build() {
  echo "Building package: $_pkgname-$pkgver" >&2
  cd "$srcdir/$_pkgname"
  /usr/bin/qmake PREFIX=/usr
  make
  # Strip the binary to save 160MB of disk
  strip qmake-build-release/"$_pkgname"
}

package() {
  cd "$_pkgname"
  make INSTALL_ROOT="${pkgdir}" install
  install -Dm644 shortcuts.txt "${pkgdir}/usr/share/doc/$_pkgdir/shortcuts_sample.txt"
  install -Dm644 docs/{shortcuts-howto,CHANGELOG}.md "${pkgdir}/usr/share/doc/$_pkgdir/"
}