Hi zimoun, zimoun skribis: > I miss why the hash is the same. I was expecting a different one, as > with your ’hello’ example (that I reproduce exactly). What do I miss? > > Note it is the same with: > > $ ./pre-inst-env guix build emacs-helm --with-input=emacs=emacs-next > /gnu/store/ka9lph0hpzaky0sa52zf09469apkhb68-emacs-helm-3.6.5 That’s because ‘emacs-helm’ depends on ‘emacs-minimal’, not ‘emacs’: --8<---------------cut here---------------start------------->8--- $ guix graph --path -t bag emacs-helm emacs guix graph: error: no path from 'emacs-helm@3.6.5' to 'emacs@27.1' $ guix graph --path -t bag emacs-helm emacs-minimal emacs-helm@3.6.5 emacs-minimal@27.1 --8<---------------cut here---------------end--------------->8--- Does it work for you if you do ‘--with-input=emacs-minimal=emacs-next’? HTH, Ludo’.