diff --git a/copy-jdk-configs.spec b/copy-jdk-configs.spec
index a229537..c9adeb5 100644
--- a/copy-jdk-configs.spec
+++ b/copy-jdk-configs.spec
@@ -1,16 +1,21 @@
 %global project copy_jdk_configs
 %global file %{project}.lua
+%global rpm_state_dir %{_localstatedir}/lib/rpm-state
 
 Name:    copy-jdk-configs
 
 Version: 1.1
-Release: 1%{?dist}
+Release: 2%{?dist}
 Summary: JDKs configuration files copier
 
 License:  BSD
 URL:      https://hg.fedorahosted.org/hg/%{project}
 Source0:  https://hg.fedorahosted.org/hg/copy_jdk_configs/raw-file/%{project}-%{version}/%{file}
 Source1:  https://hg.fedorahosted.org/hg/copy_jdk_configs/raw-file/%{project}-%{version}/LICENSE
+
+# we need to duplicate msot of the percents in that script so they survive rpm expansion (even in that sed they have to be duplicated)
+%global pretrans_install %(cat %{SOURCE0} | sed s/%%/%%%%/g | sed s/\\^%%%%/^%%/g) 
+
 BuildArch: noarch
 
 Requires: lua
@@ -27,14 +32,33 @@ cp -a %{SOURCE1} .
 %build
 #blob
 
+%pretrans -p <lua>
+-- the sript must be available during pretrans, so multiply it to tmp
+os.execute("mkdir -p " .. "%{rpm_state_dir}")
+temp_path="%{rpm_state_dir}" .. "/" .. "%{file}"
+-- print("generating " .. temp_path)
+file = io.open(temp_path, "w")
+file:write([[%{pretrans_install}]])
+file:close()
+
+
 %install
 mkdir -p $RPM_BUILD_ROOT/%{_libexecdir}
 cp -a %{SOURCE0} $RPM_BUILD_ROOT/%{_libexecdir}/%{file}
 
+%posttrans
+# remove file created in pretrans
+# echo "removing %{rpm_state_dir}/%{file}"
+rm "%{rpm_state_dir}/%{file}"
+
 %files 
 %{_libexecdir}/%{file}
 %license LICENSE
 
 %changelog
+* Wed Dec 16 2015 Jiri Vanek <jvanek@redhat.com> - 1.1-2
+- package now "installs" also during pretrans, so pretrasn scripts can use it
+- pretrasn "install" is removed in postrans
+
 * Wed Nov 25 2015 Jiri Vanek <jvanek@redhat.com> - 1.1-1
 - initial package
diff --git a/copy_jdk_configs.lua b/copy_jdk_configs.lua
old mode 100744
new mode 100755