--- /dev/null
+Summary: IRC in Mozilla, aka ChatZilla
+Name: chatzilla
+Version: 0.9.77
+Release: 1
+License: GPL v2
+Group: X11/Applications/Networking
+Source0: http://chatzilla.rdmsoft.com/xulrunner/download/%{name}-%{version}-xr.zip
+# Source0-md5: b14c59ebc541454da2e2c4ce375c8679
+Source1: %{name}.desktop
+URL: http://chatzilla.rdmsoft.com/xulrunner/
+Requires: xulrunner
+BuildArch: noarch
+BuildRoot: %{tmpdir}/%{name}-%{version}-root-%(id -u -n)
+
+%define _appdir %{_datadir}/%{name}
+
+%description
+ChatZilla is an IRC client that is written entirely in JavaScript and
+XUL.
+
+%prep
+%setup -qc
+
+%install
+rm -rf $RPM_BUILD_ROOT
+install -d $RPM_BUILD_ROOT{%{_bindir},%{_appdir},%{_desktopdir}}
+
+cat <<'EOF' > $RPM_BUILD_ROOT%{_bindir}/%{name}
+#!/bin/sh
+exec %{_bindir}/xulrunner %{_appdir}/application.ini
+EOF
+chmod a+x $RPM_BUILD_ROOT%{_bindir}/%{name}
+cp -a application.ini $RPM_BUILD_ROOT%{_appdir}
+cp -a chrome components defaults $RPM_BUILD_ROOT%{_appdir}
+cp -a %{SOURCE1} $RPM_BUILD_ROOT%{_desktopdir}/%{name}.desktop
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%files
+%defattr(644,root,root,755)
+%attr(755,root,root) %{_bindir}/%{name}
+
+%dir %{_appdir}
+%{_appdir}/application.ini
+%dir %{_appdir}/components
+%{_appdir}/components/*.js
+%{_appdir}/chrome
+%{_appdir}/defaults
+
+%{_desktopdir}/chatzilla.desktop