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Manage the flake in ~/dots dir

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ItsDrike 2024-02-21 22:07:08 +01:00
parent 3f1e0f8568
commit 6002b263d7
Signed by: ItsDrike
GPG key ID: FA2745890B7048C0
1 changed files with 25 additions and 18 deletions
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43
guides/installation.md
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@ -15,21 +15,10 @@ During this installation, make sure you allow non-free programs, and in the desk
## Set up configuration.nix
First thing you'll need to do is to make your useer account own the
`/etc/nixos` directory. You'll want to do this to allow you to easily manage
your config with git (which is a requirement when using flakes). You can use
system wide git, however it is much more convenient to just leave it to the
user, as you'll have your git configuration there.
```sh
cd /etc/nixos
sudo chmod -R itsdrike:users .
```
Out of the box, NixOS only comes with `nano` editor, so we'll have to use that to edit the `configuration.nix` for the first time.
```sh
nano configuration.nix
sudo nano configuration.nix
```
In there, change the `environment.systemPackages = with pkgs; [];` like, and include `git` and `vim`.
@ -49,13 +38,25 @@ sudo nixos-rebuild switch
## Set up flakes
Now, since a git repository is required for flakes, let's set up git:
An interesting things about nix flakes, is that they need to live in a git
repository, you won't be able to rebuild otherwise, so let's set up some git
settings, so that we can make commits:
```sh
git config --global user.email "itsdrike@protonmail.com"
git config --global user.name "ItsDrike"
```
We could create and manage this repository directly in `/etc/nixos`, however
that's not practical, since we probably want to use our git config and
generally just work in a non-root environment when editing the flake. I like
using the `~/dots` directory.
```sh
cp -r /etc/nixos ~/dots
cd ~/dots
```
Now we have 2 options, the first one I'll show will set up my configuration
from this repository. Once done, you will have your system set up in the same
way that I do. In the second option, I will go over a basic setup to create
@ -71,6 +72,7 @@ git init
git remote add origin https://github.com/ItsDrike/nixdots
git branch -M main
git pull origin main
nixos-rebuild switch --flake .
```
## Create your own custom flake
@ -81,7 +83,7 @@ Initialize an empty git repository:
git init
```
Create a very basic `/etc/nixos/flake.nix`:
Create a very basic `./flake.nix`:
```sh
{
@ -115,12 +117,17 @@ git add configuration.nix
git add hardware-configuration.nix
```
Now you can run `sudo nixos-rebuild switch`. Yay, you're now using NixOS in flakes mode!
Now you can rebuild the system to use our flake:
```sh
sudo nixos-rebuild switch --flake .
```
Yay, you're now using NixOS in flakes mode!
> [!NOTE]
> If you run the `sudo nixos-rebuild switch` command before adding all of these
> files to git, you will get an error, so it really is a requirement to have
> your configuration in a git repository when you're using flakes.
> If you run the `sudo nixos-rebuild switch` command, without the `--flake .`
> it would look for the `flake.nix` file in `/etc/nixos`.
You can notice that this also created a `flake.lock` file, containing the exact
versions of all of the packages you're using. Let's add this file to git too: