[Nix-dev] command-not-found can't open db

[shea at shealevy.com]

Hi Malcolm,

Currently command-not-found (and other NixOS bits, like the default 
setting for NIX_PATH or nixos-rebuild --upgrade) assume that you have 
the nixos channel in root's profile, as only root should have permission 
to register manifests or add binary caches. So for the command-not-found 
feature to work, you'll need to add the nixos-unstable channel as root.

Cheers,
Shea

On 2013-05-15 03:21, Malcolm Matalka wrote:
> I did a manual upgrade to the latest version of NixOS and Nix a month 
> or
> so ago, and just realized that command-not-found doesn't work for me.
> So I ran it manually (command-not-found whois) and I get the 
> following
> error.  I'm not sure if my manual upgrade didn't set it up properly:
>
> $ command-not-found whois
> DBI
> 
> connect('dbname=/nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite','',...)
> failed: unable to open database file at
> /run/current-system/sw/bin/command-not-found line 12.
> cannot open database
> `/nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite' 
> at
> /run/current-system/sw/bin/command-not-found line 12.
>
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