harmony/busybox: split /bin/sh properly

harmony/busybox/APKBUILD

@@ -3,7 +3,7 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=busybox
 pkgver=1.27.2
-pkgrel=3
+pkgrel=4
 pkgdesc="Size optimized toolbox of many common UNIX utilities"
 url=http://busybox.net
 arch="all"
@@ -15,7 +15,7 @@ checkdepends="zip"
 provides="/bin/sh /sbin/init"
 install="$pkgname.post-install $pkgname.post-upgrade
 	$pkgname-extras.post-install $pkgname-extras.pre-deinstall"
-subpackages="$pkgname-static $pkgname-suid $pkgname-extras"
+subpackages="$pkgname-static $pkgname-suid $pkgname-extras $pkgname-binsh"
 options="suid !check"
 triggers="busybox.trigger=/bin:/usr/bin:/sbin:/usr/sbin:/lib/modules/*"
 source="http://busybox.net/downloads/$pkgname-$pkgver.tar.bz2
@@ -164,6 +164,14 @@ suid() {
 	install -m4111 bbsuid "$subpkgdir"/bin/bbsuid
 }
 
+binsh() {
+	pkgdesc="Provide /bin/sh with BusyBox ash"
+	depends="${pkgname}"
+
+	mkdir -p "$subpkgdir"/bin
+	mv "$pkgdir"/bin/sh "$subpkgdir"/bin
+}
+
 static() {
 	pkgdesc="Statically linked Busybox"
 	mkdir -p "$subpkgdir"/bin