PKGBUILD file for odenwlan-node (It also an example of PKGBUILD file for Electron based app.)

odenwlan-node.sh

#!/bin/sh
cd /usr/lib/odenwlan-node/
npm start

PKGBUILD

# Maintainer: Masanori Ohgita <mp_aur[at]ohgita[dot]info>
pkgname=odenwlan-node
pkgver=1.3.0
pkgrel=1
pkgdesc="An automatic login tool for Wi-Fi of OECU"
url="https://github.com/odentools/odenwlan-node/"
arch=('i686' 'x86_64')
license=('MIT')
depends=('nodejs>=4.1.1' 'npm>=3.3.4')
makedepens=('git')
source=(
	"https://github.com/odentools/odenwlan-node/tarball/v${pkgver}"
	'odenwlan-node.sh'
)
sha256sums=(
	'dc52ababe39187ddb8c00017f6fde6d58c2d980511a2b5fc23d8e558915881d0'
	'5a66134694f2b4127e8d2731e6c2bc9defb964b4ab7431949506209e27c8c37a'
)
_github_username=odentools

package() {

	# Copy a startup script to package directory
	mkdir -p "${pkgdir}/usr/lib/${pkgname}/"
	install -Dm755 odenwlan-node.sh "${pkgdir}/usr/bin/odenwlan-node"

	# Get a path of fetched source directory
	_git_rev=`ls ${srcdir}/|grep --regexp="[^-]*$" --only-matching --max-count=1`
	_git_srcdir="${srcdir}/${_github_username}-${pkgname}-${_git_rev}"

	# Change to fetched source directory
	cd "${_git_srcdir}"

	# Install dependency modules
	npm install --production

	# Copy the app files & dependency modules to package directory
	mkdir -p "${pkgdir}/usr/lib/${pkgname}/"
	cp -r ./* "${pkgdir}/usr/lib/${pkgname}/"

	# Copy a license file to package directory
	install -Dm644 LICENSE "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"

	# Remove references to $srcdir of node_modules directory
	grep -l "${srcdir}" -r "${pkgdir}" | xargs sed -i "s#${_git_srcdir}#/usr/lib/${pkgname}#g"

}