patch for AUR Matlab to enable login installation

aur-matlab.patch

diff --git a/PKGBUILD b/PKGBUILD
index a97c0b9..7b37fba 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -40,6 +40,7 @@

 # partial install
 _partialinstall=false
+_logininstall=true

 pkgname=matlab
 # install dir
@@ -70,10 +71,10 @@ depends=('gconf'
 optdepends=('gcc6: For MEX support')

 source=("local:///matlab.tar"
-	"local:///matlab.fik"
 	"matlab.png::https://upload.wikimedia.org/wikipedia/commons/2/21/Matlab_Logo.png")
-md5sums=("SKIP" "SKIP" 'cf28632239db6e02bc09bcca6bf5360f')
-PKGEXT='.pkg.tar'
+md5sums=("SKIP" 'cf28632239db6e02bc09bcca6bf5360f')
+
+[ -z ${_logininstall} ] && source+=("local:///matlab.fik") && md5sums+=("SKIP")

 prepare() {
 	msg2 'Creating desktop file'
@@ -82,14 +83,18 @@ prepare() {
 		--categories "Development;Education;Science;Mathematics;IDE" \
 	        --exec '/opt/matlab/bin/matlab -desktop'

-	msg2 'Extracting file installation key'
-	_fik=$(grep -o [0-9-]* ${pkgname}.fik)
+	if [ -z ${_logininstall} ]; then
+		msg2 'Extracting file installation key'
+		_fik=$(grep -o [0-9-]* ${pkgname}.fik)
+	fi

 	msg2 'Modifying the installer settings'
 	sed -i "s,^# destinationFolder=,destinationFolder=${pkgdir}/${_instdir}," "${srcdir}/${pkgname}/installer_input.txt"
 	sed -i "s,^# agreeToLicense=,agreeToLicense=yes," "${srcdir}/${pkgname}/installer_input.txt"
-	sed -i "s,^# mode=,mode=silent," "${srcdir}/${pkgname}/installer_input.txt"
-	sed -i "s,^# fileInstallationKey=,fileInstallationKey=${_fik}," "${srcdir}/${pkgname}/installer_input.txt"
+	if [ -z ${_logininstall} ]; then
+		sed -i "s,^# mode=,mode=silent," "${srcdir}/${pkgname}/installer_input.txt"
+		sed -i "s,^# fileInstallationKey=,fileInstallationKey=${_fik}," "${srcdir}/${pkgname}/installer_input.txt"
+	fi

 	if [ ! -z ${_products+isSet} ]; then
     	msg2 'Building a package with a subset of the licensed products.'
@@ -110,6 +115,8 @@ package() {
 	install -D -m644 "${pkgname}.desktop" "${pkgdir}/usr/share/applications/${pkgname}.desktop"
 	install -D -m644 "${srcdir}/${pkgname}.png" "${pkgdir}/usr/share/pixmaps/${pkgname}.png"

+	msg2 'Clean the srcdir to forbind lacking space warning.'
+	/usr/bin/rm -rf ${srcdir}
 }

 if ${_partialinstall} && [ -z ${_products+isSet} ]; then