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🖲 @weiland's nix config for fish, neovim and other macOS stuff.

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@weiland's nixy dotfiles and other nix configs

Old dotfiles

My old dotfiles (managed using gnu stow for symlinking) can be found in the dotfiles branch.

Prerequisites

Install nix as multi-user installation (using fish):

sh (curl -L https://nixos.org/nix/install | psub)
or when using zsh/bash:
sh <(curl -L https://nixos.org/nix/install)

Usage

In here we use ~/src/weiland/dotfiles as destination for the dotfiles and also as working directory.

Now, clone dotfiles:

mkdir -p ~/src/weiland
cd ~/src/weiland
git clone https://github.com/weiland/dotfiles.git ~/src/weiland/dotfiles
cd dotfiles

Get home-manager using the nix-command feature and flakes.

nix build --no-link .#homeConfigurations.pw.activationPackage --extra-experimental-features nix-command --extra-experimental-features flakes
"$(nix path-info ~/src/weiland/dotfiles#homeConfigurations.pw.activationPackage)"/activate

Activate home-manager:

home-manager switch --flake .#pw

append --show-trace flag, if error occurs.

Updating nix and the system

Nix is upgraded via home-manager.

Upgrade packages

nix flake update

then update home-manager

home-manager switch --flake .#pw

Cleaning up

Nix garbage collection:

nix-collect-garbage --delete-older-than 30d

# or

nix-collect-garbage -d

# collect everything (also profile etc)
sudo nix-collect-garbage -d

Optimise nix store:

nix-store --optimise -v

Error handling

When a drv failed (i.e. during home-manager switch)

Find dependency

nix-store --query --referrers /nix/store/...FULLPATH

alternatively, use nix why-depends

Select a previous home-manager generation:

# list generations
home-manager generations

# copy and paste a generation and append /activate to it i.e.
/nix/store/z0mdj491pf3mhcsv7zgi4c54wj38zxip-home-manager-generation/activate

The old way: https://nixos.org/manual/nix/unstable/installation/upgrading.html

Macos SSH

cp config/macos/addssh.plist ~/Library/LaunchAgents/addssh.plist
chmod +x ~/Library/LaunchAgents/addssh.plist