Hi Riku, thank you for your contribution. Could you please resend this as a git formatted patch? See the Contributing section in the manual for more information on the workflow. >> (source >> (origin >> (method url-fetch) >> (uri (string-append "https://github.com/sahib/glyr/archive/" >> version ".tar.gz")) These /archive tarballs are automatically generated, so they can change in place without prior notice. Please use git-fetch instead. >> (arguments >> '(#:tests? #f)) ; no check target)) Please remove the trailing “))”. >> (inputs >> `(("glib" ,glib) >> ("curl" ,curl) >> ("sqlite" ,sqlite) >> ("pkg-config" ,pkg-config))) pkg-config should be a native-input. >> (home-page "https://github.com/sahib/glyr") >> (synopsis "Search engine for music related metadata") >> (description >> "It comes both in a command-line interface tool (@command{glyrc}) > and as a C library (libglyr), both […] Please “reflow” the description to fit 80 columns and perhaps shorten it a little. >> (license license:lgpl3))) Only version 3 or also any other version? -- Ricardo