diff --git a/csound-6.12.2-distibutable.tar.xz b/csound-6.12.2-distibutable.tar.xz
new file mode 100644
index 0000000..a71a480
--- /dev/null
+++ b/csound-6.12.2-distibutable.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b8ec07b486decbd3edcc442554b73befe7972c81e1723047f5c02a2ff9215d30
+size 20890172
diff --git a/csound-6.12.2.tar.gz b/csound-6.12.2.tar.gz
deleted file mode 100644
index 1407081..0000000
--- a/csound-6.12.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:39f4872b896eb1cbbf596fcacc0f2122fd3e5ebbb5cec14a81b4207d6b8630ff
-size 26297850
diff --git a/csound.changes b/csound.changes
index a199684..0a3dc19 100644
--- a/csound.changes
+++ b/csound.changes
@@ -1,10 +1,10 @@
 -------------------------------------------------------------------
 Wed Jun  5 13:57:01 UTC 2019 - Dave Plater <davejplater@gmail.com>
 
-- Remove undistributable scansyn files from source.
-- Relicenced to GPL-2.0-or-later AND BSD-2-Clause, there is one
+- Added pre_checkin.sh to remove undistributable scansyn files from
+  the source tarball.
+- Relicenced to GPL-2.0-or-later AND BSD-3-Clause AND PostgreSQL
   GPL-2.0 or later source file which relicenses the LGPL sources
-  and one BSD 2 clause file.
 - Added COPYING_gpl2+.txt to licenses.
 
 -------------------------------------------------------------------
diff --git a/csound.spec b/csound.spec
index a6f62cf..69b81ba 100644
--- a/csound.spec
+++ b/csound.spec
@@ -33,12 +33,16 @@ Name:           csound
 Version:        6.12.2
 Release:        0
 Summary:        Computer Sound Synthesis and Composition Program
-License:        GPL-2.0-or-later AND BSD-2-Clause
+License:        GPL-2.0-or-later AND BSD-3-Clause AND PostgreSQL
 Group:          Productivity/Multimedia/Sound/Utilities
 Url:            http://www.csounds.com
-Source:         https://github.com/%{name}/%{name}/archive/%{version}.tar.gz#/%{name}-%{version}.tar.gz
+#Source:         https://github.com/%%{name}/%%{name}/archive/%%{version}.tar.gz#/%%{name}-%%{version}.tar.gz
+Source0:        %{name}-%{version}-distibutable.tar.xz
 Source1:        README.SUSE
 Source2:        COPYING_gpl2+.txt
+#Update and remove undistributable files from the sources and repack with this script
+#Usage = ./pre_checkin.sh
+Source3:        pre_checkin.sh
 # Default to using pulseaudio instead of portaudio
 Patch2:         csound-6.08-default-pulse.patch
 # Use xdg-open to open a browser to view the manual
@@ -80,7 +84,6 @@ Recommends:     %{name}-lang
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %global luaver %(lua -v | sed -r 's/Lua ([[:digit:]]+\\.[[:digit:]]+).*/\\1/')
-
 %description
 Csound is a software synthesis program. It is fully modular and
 supports an unlimited amount of oscillators and filters.
@@ -138,7 +141,8 @@ sed -i 's:__DATE__:"":' Engine/musmon.c include/version.h Top/main.c
 # copy readme
 cp %{SOURCE1} %{SOURCE2} .
 #These source files are undistributable
-rm -f Opcodes/scansyn*
+#rm -f Opcodes/scansyn*
+head -n 28 util/SDIF/sdif.c > COPYING.PostgreSQL
 
 %build
 # Needed to link libbuchla.so
@@ -182,7 +186,7 @@ rm -rf %{buildroot}root
 
 %files
 %doc AUTHORS README.md README.SUSE Release_Notes
-%license COPYING OOps/LICENCE.random COPYING_gpl2+.txt
+%license COPYING OOps/LICENCE.random COPYING_gpl2+.txt COPYING.PostgreSQL
 %{_bindir}/*
 
 %files -n libcsnd6-%{maj}_%{min}
diff --git a/pre_checkin.sh b/pre_checkin.sh
new file mode 100644
index 0000000..f59d4d0
--- /dev/null
+++ b/pre_checkin.sh
@@ -0,0 +1,22 @@
+#! /bin/bash
+
+vers=$(cat csound.spec|grep "Version:        "|cut -b 17-23)
+rm -f *.tar.*
+wget https://github.com/csound/csound/archive/${vers}.tar.gz || exit 1
+echo "\n\nUnpacking tarball\n"
+tar -xf ${vers}.tar.gz
+echo "Removing undistibutable files\n"
+rm -f csound-${vers}/Opcodes/scansyn*
+echo "Creating distributable tarball\n"
+tar -acf csound-${vers}-distibutable.tar.xz csound-${vers}
+echo "Cleaning up\n"
+rm -rf csound-${vers} ${vers}.tar.gz
+if ! test -e ${vers}.tar.gz;
+then
+echo "success"
+osc ar
+exit 0
+else
+echo "error"
+exit 1
+fi