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Useful Scripts

My personal repo for the scripts I use on my Linux systems.

Scripts

Nix-Rebuild

This script makes building NixOS configurations simpler and more streamlined by simplifying the syntax

Options

For normal users Main, available for flake and non-flake users

S - switch
B - build
v - verbose output
e - extra options e.g --version
t - enable show-trace option which helps with debugging and testing
i - enable the impure flag
d - use the --dry-run flag

For flake users

F - enable flakes
r - the repo which the flake.nix file is stored in, if not specified will check current directory. You must use either the auto flag or this flag
u - update packages, specifically updates all flake inputs in the flake.nix file
a - auto mode, uses your current directory and sets a default userstring
n - specify your hostname, can be used with auto mode
update-inputs - update specific inputs if you only want to update one but not the other

Example

# This will build the NixOS configuration using flakes
nix-rebuild -Si -Fa
# Same as
nix flake update --commit-lock-file
sudo nixos-rebuild switch --flake .#hostname --impure

Dependencies

• nix

Note

This script is solely made for NixOS users and cannot be used on other distros without some extreme modification

Home-Build

I wrote this script to make building home manager configurations easier and faster with easy to remember and learn options.

Options

Main, available for flake and non-flake users

S - switch
B - build
b - backup conflicting files
v - verbose output
e - extra options e.g --version
t - enable show-trace option which helps with debugging and testing
i - enable the impure flag
d - use the --dry-run flag

For flake users

F - enable flakes
r - the repo which the flake.nix file is stored in, if not specified will check current directory
u - update packages, specifically updates all flake inputs in the flake.nix file
a - auto mode, uses your current directory and sets a default userstring
n - specify your userstring, can be used with auto mode
update-inputs - update specific inputs if you only want to update one but not the other

Examples

Minimal example

# In this example
hm-build -Sb

# Is the same as
home-manager switch -b hmbak

Maximal example, using flakes

# In this example
hm-build -Sivbtd -Fau
 
# Is the same as
# It will check if the current directory has a flake.nix file
nix-flake update --commit-lock-file
home-manager switch --flake .#user@hostname --verbose --dry-run -b backup --impure --show-trace

For flake users, these also apply to nix-rebuild:

Specify a repo using -r

hm-build -S -Fr ~/repo

#You have to use this if you're not going to use -r, it will use the current directory:
# -a is for auto mode
hm-build -S -Fa

Specify your userstring using

# This will take the hostname and username you specify and use it instead of the defaults for your system
hm-build -S -Fan user@hostname

Dependancies

• nix
• home-manager

Notes

It will work on most distros in theory, I'm not so sure about in practice but I'm sure it should work

color picker

This script uses hyprpicker to pick a color from the screen. Using wl-clipboard's tools wl-copy and wl-paste to copy the color code in #AABBCC format to the clipboard and notify-send to to notify of the completed operation. All in less than 5 seconds!

Dependancies

• hyprpicker
• wl-clipboard
• libnotify

Installation

The flake, for nix users

You can add this to your flake.nix inputs

{
  inputs = {
    useful-scripts = {
      url = "github:Daru-san/useful-scripts";
      inputs.nixpkgs.follows = "nixpkgs";
    };
   };
 }

Install on nix

{ pkgs, inputs }:{
  environment.systemPackges = [
    inputs.useful-scripts.packages.${pkgs.system}.hm-build
    inputs.useful-scripts.packages.${pkgs.system}.color-picker
   ];
}

Install on home manager

{ pkgs, inputs }:{
  home.packages = [
    inputs.useful-scripts.packages.${pkgs.system}.hm-build
    inputs.useful-scripts.packages.${pkgs.system}.color-picker
  ];
}

TODO

• Create flake packages
• Update nix-rebuild
• Make docs
• Finish hm-build and nix-rebuild flake inputs
• Update hm-build and nix-rebuild flake options