On 25-08-2022 19:27, Antero Mejr via Guix-patches via wrote: > + (method git-fetch) > + (uri (git-reference > + (url"https://github.com/ecmwf/ecbuild") > + (commit version))) > + (file-name (git-file-name name version)) > + (sha256 > + (base32 > + "1mcjdqwvkzli7xj2wlnr4hshfh3wi5rs585f9nvqjfpgwvn0ym14")) > + (modules '((guix build utils))) > + (snippet #~(substitute* "bin/ecbuild" > + (("cmake=\\$\\{cmakebin:=cmake\\}") > + (string-append "cmake=${cmakebin:=" > + #$cmake-minimal "/bin/cmake}")))))) This 'source' is only usable inside Guix as it embeds store items, which makes "guix build --source" less useful for sharing source code (see: (guix)Snippets versus Phases). Try doing this in a snippet instead. Greetings, Maxime.