bug#22017: Pinning a Guix version

See for a good source of inspiration! Ludo’.

bug#22017: Pinning a Guix version

Hello! In some cases, it’s useful to be able to pin a particular Guix version and to use that version (see the RepPar paper for some examples.) A naive way to do that is: git clone …/guix.git my-pinned-guix (cd my-pinned-guix; git checkout deadbeef) guix package -L my-pinned-guix --manifes