Initial commit

.gitignore

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+result

README.md

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+# Nix Configuration
+
+Nix flake based configuration for Darwin/HomeManager
+
+This flake is used to manage the following:
+
+  - MacOS system defaults
+  - Fonts
+  - System & User packages
+  - MacOS specific packages (not supported by nixpkgs)
+  - MacOS specific GUI apps (using casks)
+  - Various application specific configurations:
+    - zsh
+    - git
+    - bat
+
+## Setup
+
+
+## References
+

flake.nix

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+{
+  description = "Arun's Nix Configuration Flake";
+
+  inputs = {
+    nixpkgs-stable.url   = "github:nixos/nixpkgs/nixos-22.11";  
+    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";  
+    nixpkgs.url          = "github:nixos/nixpkgs/nixos-unstable";
+
+    #... Declarative configuration of user speficic packages and dotfiles
+    home-manager.url = "github:nix-community/home-manager/master";  # release-22.11
+    home-manager.inputs.nixpkgs.follows = "nixpkgs";
+
+    #... MacOS system level settings
+    darwin.url = "github:lnl7/nix-darwin/master";
+    darwin.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = inputs@{ nixpkgs, home-manager, darwin, ... }: {
+
+    darwinConfigurations = let
+      system = "aarch64-darwin";    #... "x86_64-darwin" for intel based Macs
+    in {
+      Adelaide = darwin.lib.darwinSystem {
+        pkgs = import nixpkgs { inherit system; };
+        modules = [
+          ./modules/darwin/default.nix
+          home-manager.darwinModules.home-manager {
+            home-manager = {
+              useGlobalPkgs   = true;
+              useUserPackages = true;
+              users.arun.imports = [ ./modules/home-manager/default.nix ];
+            };
+          }
+        ];
+      };
+    };
+  };
+}

hosts/Adelaide/default.nix

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+{ pkgs, ... }:
+{
+  services.nix-daemon.enable  = true;          #... Make sure the nix daemon always runs
+
+  programs.zsh.enable = true;
+
+  environment = {
+    shells = with pkgs; [ bashInteractive zsh ]
+    loginShell = pkgs.zsh;
+    systemPackages = with pkgs; [ cachix ]
+    systemPath = [ "/opt/homebrew/bin" ]
+    pathsToLink = [ "/Applications" ]
+  }
+
+  system.stateVersion = 4;  #... This is here for backwards compatibility, don't change
+
+  system.defaults = {
+    finder.AppleShowAllExtensions = true;
+    finder._FXShowPosixPathInTitle = true;
+
+    dock.autohide = true;
+
+    NSGlobalDomain.AppleShowAllExtensions = true;
+    NSGlobalDomain.InitialKeyRepeat = 14;
+    NSGlobalDomain.KeyRepeat = 1;
+  }
+
+  homebrew = {
+    enable = true;        #... nix-darwin to manage installing/updating/uprading Homebrew taps
+    onActivation = {
+      autoUpdate = false;
+      upgrade = false;
+      cleanup = "zap";    #... "uninstall" or "zap"
+    };
+    global.brewfile = true;
+
+    #... List of Homebrew formula repositories to tap
+    taps = [
+    ];
+
+    #... List of Homebrew Formulae to install
+    brews = [
+    ];
+
+    #... List of Homebrew Casks to install
+    casks = [ 
+    ];
+
+    #... List of application to install from the offical Mac App Store (using mas)
+    masApps = {
+    };
+  }
+}

modules/darwin/default.nix

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+{ pkgs, ... }:
+{
+  services.nix-daemon.enable  = true;           #... Make sure the nix daemon always runs & manage the service
+  nix.extraOptions = ''
+    experimental-features = nix-command flakes
+  '';
+
+  programs.zsh.enable = true;
+
+  environment = {
+    shells = with pkgs; [ bashInteractive zsh ];
+    loginShell = pkgs.zsh;
+    systemPackages = with pkgs; [ cachix ];
+    systemPath = [ "/opt/homebrew/bin" ];
+    pathsToLink = [ "/Applications" ];
+  };
+
+  system.stateVersion = 4;  #... This is here for backwards compatibility, don't change
+
+  system.defaults = {
+    finder.AppleShowAllExtensions = true;
+    finder._FXShowPosixPathInTitle = true;
+
+    dock.autohide = true;
+
+    NSGlobalDomain.AppleShowAllExtensions = true;
+    NSGlobalDomain.InitialKeyRepeat = 15;
+    NSGlobalDomain.KeyRepeat = 2;
+  };
+
+  homebrew = {
+    enable = true;        #... nix-darwin to manage installing/updating/uprading Homebrew taps
+    onActivation = {
+      autoUpdate = false;
+      upgrade = false;
+      cleanup = "zap";    #... "uninstall" or "zap"
+    };
+    global.brewfile = true;
+
+    #... List of Homebrew formula repositories to tap
+    taps = [
+    ];
+
+    #... List of Homebrew Formulae to install
+    brews = [
+    ];
+
+    #... List of Homebrew Casks to install
+    casks = [ 
+    ];
+
+    #... List of application to install from the offical Mac App Store (using mas)
+    masApps = {
+    };
+  };
+}

modules/home-manager/default.nix

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+{ pkgs, ... }: 
+{
+  home.stateVersion = "22.11";  #... This is here for backwards compatibility, don't change
+
+  home.packages = with pkgs; [
+  ];
+
+  home.sessionVariables = {
+    PAGER = "less";
+    EDITOR = "vim";
+  };
+
+  home.file.".inputrc".source = ./dotfiles/inputrc;
+
+  programs.bat.enable = true;
+  programs.bat.config.theme = "Solarized (light)";
+
+  programs.zsh = {
+    enable = true;
+    enableCompletion = true;
+    enableAutosuggestions = true;
+    enableSyntaxHighlighting = true;
+
+    history = {
+      save = 10000;                  #... Save 10K lines of history
+      expireDuplicatesFirst = true;
+      ignoreSpace = true;
+    };
+
+    defaultKeymap = "viins";
+  };
+
+  programs.git = {
+    enable = true;
+    userName = "Arun Udayashankar";
+    userEmail = "[email protected]";
+
+    extraConfig = {
+      github.user = "uarun";
+    };
+  };
+}

modules/home-manager/dotfiles/inputrc

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+set show-all-if-ambigious on
+set completion-ignore-case on
+set mark-directories on
+set mark-symlinked-directories on
+set colored-stats on
+set visible-stats on
+
+
+set keymap vi
+set editing-mode vi-insert
+