Add devicepkg-dev which generate the touchscreen udev rule based on the deviceinfo (#995)

* Use devicepkg-dev by default in new device wizard
* Add link to reference wiki page

main/devicepkg-dev/APKBUILD

@@ -0,0 +1,20 @@
+pkgname="devicepkg-dev"
+pkgver=0.1
+pkgrel=0
+pkgdesc="Provides default device package functions"
+url="https://github.com/postmarketOS"
+arch="all"
+license="MIT"
+source="
+	devicepkg_build.sh
+	devicepkg_package.sh
+"
+
+package() {
+	install -Dm755 "$srcdir/devicepkg_build.sh" \
+		"$pkgdir/usr/bin/devicepkg_build"
+	install -Dm755 "$srcdir/devicepkg_package.sh" \
+		"$pkgdir/usr/bin/devicepkg_package"
+}
+sha512sums="e6f96f8942fa8124ca7461bcf9c78879e08ef00da4a728735046503cae86548505594e078eb14056af74616b17332474f1473f72127299773e075bfd970af13b  devicepkg_build.sh
+c732792596f56860f6ab9ddd53b9a7a80224400dd20097b20cebe17a6e7330e9178783f09db16132a28a555f83e29ef3643bfe069638b62998912a9a7ffefdc0  devicepkg_package.sh"

main/devicepkg-dev/devicepkg_build.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+startdir=$1
+pkgname=$2
+
+if [ -z "$startdir" ] || [ -z "$pkgname" ]; then
+	echo "ERROR: missing argument!"
+	echo "Please call devicepkg_default_build() with \$startdir and \$pkgname as arguments."
+	exit 1
+fi
+
+srcdir="$startdir/src"
+
+if [ ! -f "$srcdir/deviceinfo" ]; then
+	echo "NOTE: $0 is intended to be used inside of the build() function"
+	echo "of a device package's APKBUILD only."
+	echo "ERROR: deviceinfo file missing!"
+	exit 1
+fi
+
+# shellcheck disable=SC1090,SC1091
+. "$srcdir/deviceinfo"
+
+# shellcheck disable=SC2154
+if [ ! -z "$deviceinfo_dev_touchscreen" ]; then
+	# Create touchscreen udev rule
+	{
+		echo "SUBSYSTEM==\"input\", ENV{DEVNAME}==\"$deviceinfo_dev_touchscreen\", \\"
+		# shellcheck disable=SC2154
+		if [ ! -z "$deviceinfo_dev_touchscreen_calibration" ]; then
+			echo "ENV{WL_CALIBRATION}=\"$deviceinfo_dev_touchscreen_calibration\", \\"
+		fi
+		echo "ENV{ID_INPUT}=\"1\", ENV{ID_INPUT_TOUCHSCREEN}=\"1\""
+	} > "$srcdir/90-$pkgname.rules"
+fi

main/devicepkg-dev/devicepkg_package.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+startdir=$1
+pkgname=$2
+
+if [ -z "$startdir" ] || [ -z "$pkgname" ]; then
+	echo "ERROR: missing argument!"
+	echo "Please call devicepkg_default_package() with \$startdir and \$pkgname as arguments."
+	exit 1
+fi
+
+srcdir="$startdir/src"
+pkgdir="$startdir/pkg/$pkgname"
+
+if [ ! -f "$srcdir/deviceinfo" ]; then
+	echo "NOTE: $0 is intended to be used inside of the package() function"
+	echo "of a device package's APKBUILD only."
+	echo "ERROR: deviceinfo file missing!"
+	exit 1
+fi
+
+install -Dm644 "$srcdir/deviceinfo" \
+	"$pkgdir/etc/deviceinfo"
+
+if [ -f "$srcdir/90-$pkgname.rules" ]; then
+	install -Dm644 "$srcdir/90-$pkgname.rules" \
+		"$pkgdir/etc/udev/rules.d/90-$pkgname.rules"
+fi