Direnv 'use flake' gives 'store path ... not allowed to have refences'

[jacg]

@tomberek

i was not able to reproduce. got a nix version?

I poked around a bit:

• My development machine running NixOS 21.11 and nix 2.5.0pre20211206_d1aaa7e: the error appears.

• Brand new VM with Debian 11 and Nix 2.6.1: NO ERROR.

• Brand new VM with Debian 11 and Nix 2.5.0: NO ERROR.

• Brand new VM with Debian 11 and Nix 2.4: THE ERROR APPEARS.

edit: added result for Nix 2.4

@tomberek

There is a lot going on in that example. Can we trim it down to isolate the cause?

The second commit (6ed1d4343e3df69b6d1b860397273d7284d6b8e0) already exhibits this behaviour. I can try to trim it down even further if you’re interested, but given the above information about the Nix versions, perhaps this isn’t worth the effort.

@tomberek

fundamentally, direnv doesn’t use nix develop , but it uses nix print-dev-env

Indeed, this was pointed out to me recently, but it hasn’t quite sunk in, or rather, old habits/beliefs take time to fade. Thanks for reminding me.