init nix-os configuraion files

home/core.nix

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+# This is your home-manager configuration file
+# Use this to configure your home environment (it replaces ~/.config/nixpkgs/home.nix)
+
+{ inputs, outputs, lib, config, pkgs, username, useremail, ... }: {
+
+  home = {
+    inherit username;
+    homeDirectory = "/home/${username}";
+
+    # Add stuff for your user as you see fit:
+    packages = with pkgs; [
+      nixpkgs-fmt
+    ];
+  };
+
+  # Enable home-manager and git
+  programs = {
+    # home-manager.enable = true;
+    # git.enable = true;
+
+    git = {
+      enable = true;
+
+      userName = username;
+      userEmail = useremail;
+
+      includes = [
+        {
+          # use diffrent email & name for work
+          path = "~/work/.gitconfig";
+          condition = "gitdir:~/work/";
+        }
+      ];
+
+      extraConfig = {
+        init.defaultBranch = "master";
+        push.autoSetupRemote = true;
+        pull.rebase = true;
+
+        # replace https with ssh
+        # url = {
+        #   "ssh://git@github.com/" = {
+        #     insteadOf = "https://github.com/";
+        #   };
+        #   "ssh://git@gitlab.com/" = {
+        #     insteadOf = "https://gitlab.com/";
+        #   };
+        #   "ssh://git@bitbucket.com/" = {
+        #     insteadOf = "https://bitbucket.com/";
+        #   };
+        # };
+      };
+
+    };
+    
+    bash = {
+      enable = true;
+      enableCompletion = true;
+      bashrcExtra = "";
+      shellAliases = { };
+    };
+
+    vim = {
+      enable = true;
+      plugins = with pkgs.vimPlugins; [ vim-airline ];
+      settings = { ignorecase = true; };
+      extraConfig = ''
+        set mouse=a
+        set expandtab
+        set tabstop=2
+        set softtabstop=2
+        set shiftwidth=2
+      '';
+    };
+  };
+
+
+  nixpkgs = {
+    # You can add overlays here
+    overlays = [
+      # Add overlays your own flake exports (from overlays and pkgs dir):
+      outputs.overlays.additions
+      outputs.overlays.modifications
+      outputs.overlays.unstable-packages
+
+      # You can also add overlays exported from other flakes:
+      # neovim-nightly-overlay.overlays.default
+
+      # Or define it inline, for example:
+      # (final: prev: {
+      #   hi = final.hello.overrideAttrs (oldAttrs: {
+      #     patches = [ ./change-hello-to-hi.patch ];
+      #   });
+      # })
+    ];
+    # Configure your nixpkgs instance
+    config = {
+      # Disable if you don't want unfree packages
+      allowUnfree = true;
+      # Workaround for https://github.com/nix-community/home-manager/issues/2942
+      allowUnfreePredicate = (_: true);
+    };
+  };
+
+  # Nicely reload system units when changing configs
+  systemd.user.startServices = "sd-switch";
+
+  # https://nixos.wiki/wiki/FAQ/When_do_I_update_stateVersion
+  home.stateVersion = "23.05";
+}

home/desktop.nix

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+# This is your home-manager configuration file
+# Use this to configure your home environment (it replaces ~/.config/nixpkgs/home.nix)
+
+{ inputs, outputs, lib, config, pkgs, username, useremail, hyprland, ... }:
+{
+  # You can import other home-manager modules here
+  imports = [
+    # If you want to use modules your own flake exports (from modules/home-manager):
+    # outputs.homeManagerModules.example
+
+    # Or modules exported from other flakes (such as nix-colors):
+    # inputs.nix-colors.homeManagerModules.default
+
+    # You can also split up your configuration and import pieces of it here:
+    # ./nvim.nix
+    ./core.nix
+    ../modules/home/hyprland
+    ../modules/home/vscode
+    ../modules/home/v2ray
+    ../modules/home/xdg.nix
+    ../modules/home/theme.nix
+  ];
+
+  home = {
+    # Add stuff for your user as you see fit:
+    packages = with pkgs; [
+      bc # GNU software calculator
+      vlc
+      imv
+      motrix
+      microsoft-edge
+      telegram-desktop
+      # firefox
+      # chromium
+
+      zip
+      unzip
+      lsof
+      pciutils # lspci etc.
+      steam-run
+      frp
+      obsidian
+      wpsoffice-cn
+      xorg.xhost
+
+      dbeaver
+      postman
+      # jdk
+      nodejs
+      yarn
+      flutter
+      oraclejdk
+      jetbrains.idea-community
+      # nur.repos.linyinfeng.wemeet
+    ];
+
+    sessionVariables = {
+      JAVA_HOME = "${pkgs.oraclejdk}";
+      XIM = "fcitx";
+      XIM_PROGRAM = "fcitx";
+      XMODIFIERS = "@im=fcitx";
+    };
+  };
+
+  programs = {
+    bash = {
+      initExtra = ''
+        export XIM="fcitx"
+        export XIM_PROGRAM="fcitx"
+        export XMODIFIERS="@im=fcitx"
+      '';
+    };
+  };
+
+
+  i18n.inputMethod = {
+    enabled = "fcitx5";
+    fcitx5.addons = with pkgs; [
+      fcitx5-chinese-addons
+    ];
+  };
+
+  # Enable home-manager and git
+  programs = {
+    home-manager.enable = true;
+    # git.enable = true;
+  };
+}

home/server.nix

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+# This is your home-manager configuration file
+# Use this to configure your home environment (it replaces ~/.config/nixpkgs/home.nix)
+
+{ inputs, outputs, lib, config, pkgs, username, useremail, hyprland, ... }: {
+  # You can import other home-manager modules here
+  imports = [
+    # If you want to use modules your own flake exports (from modules/home-manager):
+    # outputs.homeManagerModules.example
+
+    # Or modules exported from other flakes (such as nix-colors):
+    # inputs.nix-colors.homeManagerModules.default
+
+    # You can also split up your configuration and import pieces of it here:
+    # ./nvim.nix
+    ./core.nix
+  ];
+
+  home = {
+    # Add stuff for your user as you see fit:
+    packages = with pkgs; [
+    ];
+  };
+
+  # Enable home-manager and git
+  programs = { };
+}