diff --git a/R-cachem.spec b/R-cachem.spec
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+%global packname cachem
+%global packver 1.0.5
+
+Name:             R-%{packname}
+Version:          %{packver}
+Release:          1
+Source0:          ftp://cran.r-project.org/pub/R/contrib/main/%{packname}_%{packver}.tar.gz
+License:          MIT
+URL:              http://cran.r-project.org/web/packages/cachem/index.html
+Summary:          Cache R Objects with Automatic Pruning
+BuildRequires:    R-devel >= 3.0.0, tetex-latex, R-rlang, R-fastmap, gcc
+BuildRequires:    R-testthat
+
+%description
+Key-value stores with automatic pruning. Caches can limit either their total
+size or the age of the oldest object (or both), automatically pruning objects
+to maintain the constraints.
+
+%prep
+%setup -q -c -n %{packname}
+
+%build
+
+%install
+mkdir -p $RPM_BUILD_ROOT%{_libdir}/R/library
+%{_bindir}/R CMD INSTALL -l $RPM_BUILD_ROOT%{_libdir}/R/library %{packname}
+test -d %{packname}/src && (cd %{packname}/src; rm -f *.o *.so)
+rm -rf $RPM_BUILD_ROOT%{_libdir}/R/library/R.css
+
+%check
+%{_bindir}/R CMD check %{packname}
+
+%files
+%dir %{_libdir}/R/library/%{packname}
+%doc %{_libdir}/R/library/%{packname}/LICENSE
+%doc %{_libdir}/R/library/%{packname}/html
+%doc %{_libdir}/R/library/%{packname}/NEWS.md
+%{_libdir}/R/library/%{packname}/DESCRIPTION
+%{_libdir}/R/library/%{packname}/INDEX
+%{_libdir}/R/library/%{packname}/NAMESPACE
+%{_libdir}/R/library/%{packname}/Meta
+%{_libdir}/R/library/%{packname}/R
+%{_libdir}/R/library/%{packname}/help
+%{_libdir}/R/library/%{packname}/libs
+
+%changelog
+* Thu Jun 16 2022 misaka00251 <misaka00251@misakanet.cn> - 1.0.5-1
+- Init package (Thanks to fedora team)
diff --git a/cachem_1.0.5.tar.gz b/cachem_1.0.5.tar.gz
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