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# fish-nix-shell
fish support for the *nix-shell* environment of the Nix package manager.
## Installation
### Installation in the user environment
Execute
```
nix-env -if https://github.com/haslersn/fish-nix-shell/archive/master.tar.gz
```
and add the following to your *~/.config/fish/config.fish*. Create it if it doesn't exist.
```
fish-nix-shell --info-right | source
```
### System-wide installation
Add the package to your */etc/nixos/configuration.nix*:
```
environment.systemPackages = with pkgs; [
#
# Other packages here ...
#
(import (fetchGit "https://github.com/haslersn/fish-nix-shell"))
];
```
and then execute: `sudo nixos-rebuild switch`
If you want to configure it system-wide, also add:
```
programs.fish.enable = true;
programs.fish.promptInit = ''
fish-nix-shell --info-right | source
'';
```
## Flags
The `fish-nix-shell` command **optionally** takes the following flags:
| Flag | Meaning |
| - | - |
| `--info-right` | While in a *fish-nix-shell*, display information about the loaded packages at the right.