Add dex shebang to desktop file, and symlink it to /usr/bin/onlykey-gui

.SRCINFO

@@ -1,10 +1,11 @@
 pkgbase = onlykey-gui
 	pkgdesc = OnlyKey Chrome Desktop App
 	pkgver = 5.3.3
-	pkgrel = 2
+	pkgrel = 3
 	url = https://onlykey.io/
 	arch = x86_64
 	license = custom
+	depends = dex
 	source = https://github.com/trustcrypto/OnlyKey-App/releases/download/v5.3.3/OnlyKey_5.3.3_amd64.deb
 	sha256sums = 10611139e7cb601e49453dd9297aa8be767956c8ff37ebebeae1ac9076008e63
 

PKGBUILD

@@ -3,14 +3,24 @@
 
 pkgname=onlykey-gui
 pkgver=5.3.3
-pkgrel=2
+pkgrel=3
 pkgdesc="OnlyKey Chrome Desktop App"
 arch=('x86_64')
 url="https://onlykey.io/"
 license=('custom')
+depends=('dex')
 source=("https://github.com/trustcrypto/OnlyKey-App/releases/download/v${pkgver}/OnlyKey_${pkgver}_amd64.deb")
 sha256sums=('10611139e7cb601e49453dd9297aa8be767956c8ff37ebebeae1ac9076008e63')
 
 package() {
   bsdtar -C "${pkgdir}" -xf "${srcdir}/data.tar.xz"
+
+  local desktopfile="/usr/share/applications/OnlyKey.desktop"
+
+  # Add shebang to desktop file
+  sed -i '1 i\#!/usr/bin/env dex' "${pkgdir}/${desktopfile}"
+
+  # Add symlink to /usr/bin
+  mkdir -p "${pkgdir}/usr/bin/"
+  ln -s "${desktopfile}" "${pkgdir}/usr/bin/onlykey-gui"
 }