Bebop: Enable home-menager as NixOS module

This allows easy config of few applications/services

- git
- htop
- fzf
- neovim

* syncthing is not enabled yet. During previous experimentation it did not work,
so need to look more into it

flake.nix

@@ -76,6 +76,15 @@
           # Host-specific config
           nixos-hardware.nixosModules.raspberry-pi-4
           ./hosts/bebop/configuration.nix
+
+          # User-specific config : Home-manager
+          home-manager.nixosModules.home-manager
+          {
+            home-manager.useGlobalPkgs = true;
+            home-manager.useUserPackages = true;
+            home-manager.users.payas = import ./hosts/bebop/home.nix;
+          }
+
         ];
       };
     };

hosts/bebop/home.nix

@@ -0,0 +1,13 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ../../modules/common-home.nix
+  ];
+
+  # services = {
+  #   syncthing = {
+  #     enable = true;
+  #   };
+  # };
+}

modules/common-home.nix

@@ -0,0 +1,49 @@
+{ config, pkgs, ... }:
+
+{
+  programs = {
+    git = {
+      enable = true;
+      aliases = {
+        br = "branch";
+        co = "checkout";
+        # last 5 commits in shortlog-style, with colors
+        last = "log -5 --abbrev-commit --pretty=format:\"%C(cyan)%h%Creset %C(yellow bold)%d%C(reset) %s %Cgreenby %an %cr%Creset\" HEAD";
+        # all history, in shortlog-style, with colors (short for colorlog)
+        cl = "log --abbrev-commit --pretty=format:\"%C(cyan)%h%Creset %C(yellow bold)%d%C(reset) %s %Cgreenby %an %cr%Creset\" HEAD";
+      };
+      userEmail = "relekarpayas@gmail.com";
+      userName = "Payas Relekar";
+      extraConfig = {
+        core = {
+          editor = "nvim";
+        };
+        merge = {
+          conflictstyle = "zdiff3";
+        };
+      };
+    };
+
+    fzf = {
+      enable = true;
+      enableFishIntegration = true;
+    };
+
+    neovim = {
+      enable = true;
+      vimAlias = true;
+      extraConfig = ''
+        set nobackup
+        set number
+        set relativenumber
+      '';
+      withPython3 = false;
+      withRuby = false;
+    };
+
+    htop = {
+      enable = true;
+      # TODO : Setup htop conig via home-manager
+    };
+  };
+}