dotfiles

Personal dotfiles configuration managed with Nix, nix-darwin, and home-manager.

Overview

This repository provides a declarative and reproducible development environment configuration for macOS using:

• Nix - Functional package manager for reproducible builds
• nix-darwin - Declarative macOS system configuration
• home-manager - User environment and dotfiles management

Initial setup

1. Install Determinate Nix:

   curl -fsSL https://install.determinate.systems/nix | sh -s -- install

2. Clone this repository:

   mkdir -p ~/ghq/github.com/kazukit-dev
   git clone git@github.com:kazukit-dev/dotfiles.git > ~/ghq/github.com/kazukit-dev/

3. Apply the nix-darwin configuration:

   sudo nix run nix-darwin -- switch --flake .#<hostname>

4. Enable 1Password SSH agent:

   Open 1Password > Settings > Developer and enable "Use the SSH agent". This allows SSH keys stored in 1Password to be used for Git signing and SSH authentication.

5. Setup git signing key:

   ./scripts/setup-git-signing-key.sh
   git config --file ~/.config/git/config.local user.name "your name"
   git config --file ~/.config/git/config.local user.email "your email"

Available Nix Apps

• nix run .#switch - Apply nix-darwin and home-manager configuration changes
• nix run .#update - Update flake.lock dependencies
• nix run .#secrets - Scan repository for hardcoded secrets using gitleaks