Install and configure gpg and gpg-agent.
Add my own public key as a test.

2022-05-30 19:17:10 +02:00

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nixpkgs / nix home-manager

I currently use Ubuntu and installed nix alongside. This repository contains my personal ~/.config/nixpkgs folder, for sharing, inspiration and retrieving feedback.

This includes home.nix to maintain home-manager, see: https://nix-community.github.io/home-manager/index.html

Disclaimer

This is my personal setup for my local laptop running Ubuntu. I share this for free so everyone can have a look and inspiration or provide feedback to me.

This is not intended to be used by anyone else just by copy and pasting or cloning.

Installation

Install (clone) into ~/.config/nixpkgs.

Install home-manager see: https://nix-community.github.io/home-manager/index.html Execute home-manager switch

Usage

Add packages to home/packages.nix and run home-manager switch.

Folder structure

The folder overlays contains overlays for nix itself. E.g. alter packages like patching.

The folder home is related to extras for home-manager. It has the following sub folder:

home/files Holds configuration files. home-manager doesn't provide modules for all programs.

home/modules Holds nix modules. Not all programs provide modules out of the box. I add my own here, which I might create PRs for in future.

home/packages Holds custom nix packages. Not all programs are available. Foreign programs are added here. Custom programs / scripts are added within subfolder custom.

home/programs Holds home-manager programs. entries. Each file corresponds to a single program.

home/services Holds home-manager services. entries. Each file corresponds to a single service.

home/*.nix Holds files for most home.* modules. I don't like to clutter a single file with to many entries. Instead home.nix loads files from within here. Each file name should correspond to the home sub option / module.

overlays Holds overlays for existing packages. E.g. in order to patch them.

shells/ Holds shells for customer projects. The customers are not aware of Nix and I don't want to stress them. I use this folder to have them in version control and symlink them into the project.

Update

Update can be done via custom-update-system package which is a custom package.

Manual changes

List of manual needed changes for various reasons.

Allow gdm3 to use xsessions as login. Add the following content as /usr/share/xsessions/xsession.desktop:
```
[Desktop Entry]
Name=XSession
Comment=This session uses the custom xsession file
Exec=/etc/X11/Xsession
Type=Application
X-DesktopNames=GNOME-Flashback;GNOME;
X-Ubuntu-Gettext-Domain=gnome-flashback
```
This is used by gdm3 (installed via ubuntu host) to allow logging in via xsession which will pick up all the settings generated by home-manager.

Do not forget to call sudo desktop-file-install xsession.desktop to make system aware of the file.

Todos

Migration:

Thunderbird configuration to nix. Seems like no module exists, but is same as for firefox.
Migrate home manager to use flake for better rollback support if update breaks something.
Maybe create upstream PRs for
- home/modules/programs/*.nix
i3lock-color

Additions:

https://github.com/altdesktop/playerctl#selecting-the-most-recent-player in order to not worry about current media player, control whatever was last
https://github.com/darrenburns/dunk diff alternative
Integrate https://github.com/Wilfred/difftastic for diffing source code https://github.com/nix-community/home-manager/pull/2850

Resources

Some resources I found useful (in no particular order):

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