caspervk/nixos
1
0
Fork 0
Code Actions Activity

readme: better repl commands

Browse source
This commit is contained in:
Casper V. Kristensen 2024-02-18 20:55:45 +01:00
parent b5e0ecffe9
commit 91597180b1
1 changed files with 10 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
README.md
View file

@ -104,25 +104,24 @@ nix develop --command $SHELL
# nix shell with python packages # nix shell with python packages
# https://discourse.nixos.org/t/nix-shell-for-python-packages/16575 # https://discourse.nixos.org/t/nix-shell-for-python-packages/16575
# https://github.com/NixOS/nix/issues/5567 # https://github.com/NixOS/nix/issues/5567
nix shell --impure --expr 'with builtins.getFlake "nixpkgs"; with legacyPackages.x86_64-linux; python3.withPackages (ps: with ps; [ numpy ])' nix shell --impure --expr 'with builtins.getFlake "nixpkgs"; with legacyPackages.${builtins.currentSystem}; python3.withPackages (ps: with ps; [ numpy ])'
``` ```
### Debugging ### Debugging
```bash ```nix
# load flake into repl # load flake into repl
nix repl nix repl
:lf . :lf .
# print the value of a configuration settings # print a configuration option
:p nixosConfigurations.omega.config.services.openssh.ports :p nixosConfigurations.omega.options.services.openssh.ports.declarationPositions # declaration
:p nixosConfigurations.omega.options.services.openssh.ports.default # declaration default
# print _why_ the value is as it is (source of defaults, overwrites) :p nixosConfigurations.omega.options.services.openssh.ports.definitionsWithLocations # overwrites
:p nixosConfigurations.omega.options.services.openssh.ports :p nixosConfigurations.omega.options.services.openssh.ports.value # current value
# print derivation package names
# print value of home-manager setting :p builtins.map (d: d.name) outputs.nixosConfigurations.omega.options.environment.systemPackages.value
:p nixosConfigurations.omega.config.home-manager.users.caspervk.programs.ssh.matchBlocks
# print version of package in nixpkgs # print version of package in nixpkgs
:p inputs.nixpkgs.outputs.legacyPackages.x86_64-linux.openssh.version :p inputs.nixpkgs.outputs.legacyPackages.${builtins.currentSystem}.openssh.version
``` ```