support nixos command-not-found, closes #912 #922
Merged
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This PR adds a rule to suggest package installations in response to NixOS command-not-found errors for uninstalled packages available in the repo, see @anka-213's #912 for the original request.
My implementation was partly inspired by the apt-get rule, and is quite simple, simply judging applicability by the availability of
nix, and scanning for thenix-env -iAline, only to suggest that same command in return.Feedback welcome!