diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f84fada
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/parserng-0.1.8.tar.xz
diff --git a/parserng b/parserng
new file mode 100644
index 0000000..6796d9c
--- /dev/null
+++ b/parserng
@@ -0,0 +1,20 @@
+#!/usr/bin/bash
+
+#parserng launch script
+
+# JPackage Project <http://www.jpackage.org/>
+# Source functions library
+
+source /usr/share/java-utils/java-functions
+
+echo $@ | grep -q -e "-verbose"
+verbose=$?
+
+if [ $verbose -eq 0 ] ; then
+    set -x
+fi
+: ${MAIN_CLASS:=math.Main}
+set_classpath parserng
+#export FLAGS="$FLAGS -Djdk.attach.allowAttachSelf=true --add-exports jdk.jdeps/com.sun.tools.javap=ALL-UNNAMED"
+run "$@"
+
diff --git a/parserng.spec b/parserng.spec
new file mode 100644
index 0000000..a4bd732
--- /dev/null
+++ b/parserng.spec
@@ -0,0 +1,74 @@
+Summary: %{nice_name} is a powerful open-source tool that parses and evaluates algebraic and mathematical expressions
+%global nice_name ParserNG
+Name: parserng
+Version: 0.1.8
+Release: 1%{?dist}
+License: ASL 2.0
+URL: https://github.com/gbenroscience/ParserNG
+# tarred cloned repo without hidden files and without idea iml
+# usptream do not tag, but uses maven versionining
+# so this is 1c0ecd8088b18111e44e1291b41606b46c7d8aa5
+# which set pom to 0.1.8 and moved it to maven repos
+Source0: %{name}-%{version}.tar.xz
+Source1: parserng
+
+BuildArch: noarch
+ExclusiveArch:  %{java_arches} noarch
+
+BuildRequires: maven-local
+BuildRequires: junit5
+BuildRequires: ant-junit5
+BuildRequires: junit
+BuildRequires: ant-junit
+BuildRequires: maven-surefire-provider-junit
+BuildRequires: maven-surefire-provider-junit5
+BuildRequires: maven-surefire
+BuildRequires: maven-surefire-plugin
+BuildRequires: maven-clean-plugin
+BuildRequires: java-devel
+Requires: java-headless
+Provides: ParserNG
+Provides: parser-ng
+
+%description
+Rich and Performant, Cross Platform Java Library(100% Java)...
+Now allows the differentiation function to be differentiated with
+respect to any variable(not just x).  Next to math.Main main cmdline entry point 
+also parser.MathExpression and parser.cmd.ParserCmd  are here for cmdline service
+
+%package javadoc
+Summary: Javadoc for %{name}
+Requires: %{name} = %{version}-%{release}
+
+%description javadoc
+This package contains the API documentation for %{name}.
+
+%prep
+%setup -c %{name}-%{version}
+
+
+%build
+%pom_remove_plugin :maven-jar-plugin
+%pom_remove_plugin :maven-source-plugin
+%pom_remove_plugin :maven-gpg-plugin
+%pom_remove_plugin :maven-javadoc-plugin
+%mvn_build
+
+%install
+%mvn_install
+install -d -m 755 $RPM_BUILD_ROOT%{_bindir}
+install -m 755 %{SOURCE1} $RPM_BUILD_ROOT%{_bindir}/
+chmod 755 $RPM_BUILD_ROOT%{_bindir}/%{name}
+install -d -m 755 $RPM_BUILD_ROOT%{_sysconfdir}/%{name}/
+
+%files -f .mfiles
+%license LICENSE
+%{_bindir}/%{name}
+
+%files javadoc -f .mfiles-javadoc
+%license LICENSE
+
+%changelog
+* Fri Dec 02 2022 Jiri Vanek <jvanek@redhat.com> - 0.1.8-1
+- bumped sources to upstream rc candidate
+
diff --git a/sources b/sources
new file mode 100644
index 0000000..c98ecc2
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (parserng-0.1.8.tar.xz) = 881c80e37721ed48866f62af7c5947708e7caa2a31db25560f0c4a887cd80182a2f841a3cc8658374fb03dfc33b176e36d27388c85181bec6e9a6a61ebad7692