Convert tmux config to Nix and personalize system configuration

home/default.nix

@@ -5,15 +5,15 @@
     ./modules/shell.nix
     ./modules/editor.nix
     ./modules/git.nix
-    ./modules/dev-tools.nix
+    ./modules/tmux.nix
   ];
 
   # ============================================
   # Home Manager Shared Configuration
   # ============================================
 
-  home.username = "youruser";
-  home.homeDirectory = "/home/youruser";
+  home.username = "eliaskohout";
+  home.homeDirectory = "/home/eliaskohout";
   home.stateVersion = "25.11";
 
   # Home-level packages
@@ -22,27 +22,49 @@
     tree
     unzip
     zip
-    fzf
     bat
-    exa
     tldr
+    htop
+    iotop
+    # Container tools
+    podman
+    podman-compose
 
     # Unstable packages (if needed)
     # pkgs-unstable.some-package
   ];
 
+
   # Environment variables
   home.sessionVariables = {
-    EDITOR = "vim";
-    PAGER = "less";
+    EDITOR = "nvim";
+    SHELL = "/bin/zsh";
+    PAGER = "bat";
+    TERM = "tmux-256color";
+    LESSHISTFILE = "${config.xdg.cacheHome}/less/lesshst";
+    MANPATH = "$MANPATH:/usr/local/man";
+  };
+  home.sessionPath = [
+    "${config.home.homeDirectory}/.local/scripts"
+    "${config.home.homeDirectory}/.local/bin"
+  ];
+
+  # Locale
+  home.language = {
+    base = "de_DE.UTF-8";
+  };
+
+  # Create xdg envs
+  xdg.enable = true;
+
+  # HM Modules
+  programs.fzf.enable = true;
+  programs.gpg.enable = true;
+  services.gpg-agent = {
+    enable = true;
+    enableSshSupport = true;
   };
 
   # Home Manager should manage itself
   programs.home-manager.enable = true;
-
-  # Locale
-  home.language = {
-    base = "en_US.UTF-8";
-  };
-
 }

home/modules/dev-tools.nix

@@ -1,54 +0,0 @@
-{ config, lib, pkgs, pkgs-unstable, ... }:
-
-{
-  # Development tools at user level
-  home.packages = with pkgs; [
-    # Debuggers
-    lldb
-    gdb
-
-    # Version managers
-    fnm  # Node version manager
-    pyenv  # Python version manager
-
-    # Build tools
-    cmake
-    ninja
-    meson
-
-    # System tools
-    tmux
-    htop
-    iotop
-
-    # Container tools
-    podman
-    podman-compose
-
-    # Cloud/Infrastructure
-    # terraform
-    # kubectl
-    # helm
-
-    # Testing
-    # pytest  # Python
-    # jest  # JavaScript (via npm)
-  ];
-
-  # tmux configuration (optional)
-  programs.tmux = {
-    enable = true;
-    baseIndex = 1;
-    newSessionPath = "$HOME";
-    shortcut = "a";
-
-    extraConfig = ''
-      # Enable mouse
-      set -g mouse on
-
-      # Vi-like navigation
-      setw -g mode-keys vi
-    '';
-  };
-
-}

home/modules/editor.nix

@@ -1,7 +1,6 @@
 { config, lib, pkgs, pkgs-unstable, ... }:
 
 {
-  # Neovim as primary editor
   programs.neovim = {
     enable = true;
     defaultEditor = true;
@@ -62,8 +61,4 @@
       EOF
     '';
   };
-
-  # Alternative: VS Code (uncomment if preferred)
-  # programs.vscode.enable = true;
-
 }

home/modules/git.nix

@@ -3,8 +3,8 @@
 {
   programs.git = {
     enable = true;
-    userName = "Your Name";  # TODO: Customize
-    userEmail = "your.email@example.com";  # TODO: Customize
+    userName = "Elias Kohout";
+    userEmail = "elias@kohout.de";
 
     extraConfig = {
       init.defaultBranch = "main";
@@ -13,18 +13,13 @@
     };
 
     aliases = {
-      st = "status";
-      co = "checkout";
-      br = "branch";
-      ci = "commit";
       unstage = "reset HEAD --";
       last = "log -1 HEAD";
       visual = "log --graph --oneline --all";
     };
   };
 
-  # GPG key signing (optional, uncomment if using)
-  # programs.gpg.enable = true;
-  # services.gpg-agent.enable = true;
-
+  # GPG key signing
+  programs.gpg.enable = true;
+  services.gpg-agent.enable = true;
 }

home/modules/shell.nix

@@ -1,40 +1,38 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, ... }:
 
 {
+
   programs.zsh = {
     enable = true;
+    dotDir = ".config/zsh";
     autosuggestion.enable = true;
     syntaxHighlighting.enable = true;
 
+    history = {
+      path = "${config.xdg.configHome}/zsh/zsh_history";
+      size = 10000;
+      save = 10000;
+    };
+
     initExtra = ''
-      # Custom shell initialization
-      eval "$(direnv hook zsh)"
-      eval "$(starship init zsh)"
+      bindkey '^R' history-incremental-search-backward
+      bindkey '^S' history-incremental-search-forward
+    '';
+
+    promptInit = ''
+      autoload -Uz vcs_info
+      precmd() { vcs_info }
+      zstyle ':vcs_info:git:*' formats '%b'
+      setopt PROMPT_SUBST
+      PROMPT='%F{green}%n@%m%f:%F{blue}%~%f %F{240}''${vcs_info_msg_0_}%f %# '
     '';
 
     shellAliases = {
-      ls = "exa -l";
-      la = "exa -la";
-      tree = "exa --tree";
       cat = "bat";
-      cd = "z";
+    };
   };
 
-    plugins = [
-      {
-        name = "z";
-        src = pkgs.fetchFromGitHub {
-          owner = "agkozak";
-          repo = "zsh-z";
-          rev = "v1.12.0";
-          sha256 = "sha256-z7YhKUpn6uEEGT1iFSBpUG+w0D1M9YsvvZW8PwDh8T8=";
-        };
-      }
-    ];
-  };
-
-  programs.starship.enable = true;
-  programs.direnv.enable = true;
-  programs.direnv.nix-direnv.enable = true;
-
+  home.activation.createZshHistDir = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
+    mkdir -p "${config.xdg.configHome}/zsh"
+  '';
 }

home/modules/tmux.nix

@@ -0,0 +1,101 @@
+{ config, lib, pkgs, ... }:
+
+{
+  programs.tmux = {
+    enable = true;
+
+    # Shell and terminal
+    shell = "${pkgs.zsh}/bin/zsh";
+    terminal = "tmux-256color";
+    terminalOverrides = [ "*256col*:Tc" ];
+
+    # Indexing
+    baseIndex = 1;
+    paneBaseIndex = 1;
+    renumberWindows = true;
+
+    # Mouse and clipboard
+    mouse = false;
+    setClipboard = true;
+
+    # History
+    historyLimit = 50000;
+
+    # Status bar
+    statusInterval = 1;
+    statusPosition = "top";
+    statusJustify = "left";
+    statusStyle = "bg=black,fg=brightwhite";
+    statusLeft = "#[bg=colour236,fg=brightwhite]#{?session_path, #(basename #{session_path}) ,}";
+    statusRight = "#[bg=colour236,fg=brightwhite] #H #[bg=colour235,fg=brightwhite] %H:%M:%S ";
+    statusLeftLength = 100;
+    statusRightLength = 100;
+
+    # Window styling
+    windowStatusFormat = " #[fg=white]#I:#[fg=white]#W#{?window_flags,#F,} ";
+    windowStatusCurrentFormat = "#[bg=colour235,fg=brightred,bold] #I:#W#{?window_flags,#F,} ";
+    windowStatusSeparator = "";
+
+    # Pane styling
+    paneActiveBorderStyle = "fg=brightred";
+    paneBorderStyle = "fg=colour238";
+
+    # Message styling
+    messageStyle = "bg=colour236,fg=brightwhite";
+    messageCommandStyle = "bg=colour236,fg=brightwhite";
+
+    # Mode and clock
+    modeStyle = "bg=brightred,fg=black";
+    clockModeColour = "brightred";
+    clockModeStyle = 24;
+
+    # Copy mode
+    copyMode = {
+      vi = true;
+    };
+
+    # Keybindings
+    keyBindings = [
+      {
+        key = "y";
+        command = "copy-mode";
+      }
+      {
+        key = "h";
+        command = "select-pane -L";
+        options = { repeat = true; };
+      }
+      {
+        key = "j";
+        command = "select-pane -D";
+        options = { repeat = true; };
+      }
+      {
+        key = "k";
+        command = "select-pane -U";
+        options = { repeat = true; };
+      }
+      {
+        key = "l";
+        command = "select-pane -R";
+        options = { repeat = true; };
+      }
+      {
+        key = "r";
+        command = "source-file ~/.config/tmux/tmux.conf \\; display-message \"tmux.conf reloaded\"";
+        options = { repeat = true; };
+      }
+      {
+        key = "q";
+        command = "display-popup -E -w 60% -h 60% -d '#{session_path}' 'nvim quicknote.md'";
+      }
+    ];
+
+    # Additional settings via extraConfig
+    extraConfig = ''
+      set -ga terminal-overrides ",*256col*:Tc"
+      set -g focus-events on
+      set -g pane-border-lines heavy
+    '';
+  };
+}

nixos/default.nix

@@ -15,7 +15,6 @@
   environment.systemPackages = with pkgs; [
     git
     curl
-    wget
     vim
     htop
   ];
@@ -35,10 +34,9 @@
 
   # System-wide locale
   i18n.defaultLocale = "en_US.UTF-8";
-  time.timeZone = "UTC";
+  time.timeZone = "Europe/Berlin";
 
   # Networking basics
   networking.useDHCP = lib.mkDefault true;
   networking.networkmanager.enable = lib.mkDefault false;
-
 }

nixos/modules/development.nix

@@ -15,7 +15,7 @@
 
     languagePackages = {
       rust = with pkgs; [ rustup cargo-deny cargo-edit ];
-      python = with pkgs; [ python3 python3Packages.pip python3Packages.virtualenv ];
+      python = with pkgs; [ python3 python3Packages.pip python3Packages.virtualenv uv ];
       nodejs = with pkgs; [ nodejs npm pnpm ];
       go = with pkgs; [ go golangci-lint ];
       ruby = with pkgs; [ ruby bundler ];
@@ -35,16 +35,12 @@
       gcc
       clang
       cmake
-      gdb
       ripgrep
-      fd
       jq
-      yq-go
     ] ++ selectedPackages;
 
     # Enable container support (optional)
-    virtualisation.docker.enable = true;
-    virtualisation.docker.enableOnBoot = false;
-
+    #virtualisation.docker.enable = true;
+    #virtualisation.docker.enableOnBoot = false;
   };
 }

nixos/modules/shell.nix

@@ -6,7 +6,7 @@
     defaultShell = lib.mkOption {
       type = lib.types.str;
       default = "zsh";
-      description = "Default shell (bash, zsh, fish)";
+      description = "Default shell (dash, zsh, fish)";
     };
   };
 
@@ -15,13 +15,11 @@
   in lib.mkIf cfg.enable {
 
     programs.zsh.enable = cfg.defaultShell == "zsh";
-    programs.bash.enable = true;
+    programs.dash.enable = true;
     programs.fish.enable = cfg.defaultShell == "fish";
 
     # Common shell packages
     environment.systemPackages = with pkgs; [
-      starship
-      direnv
     ];
 
   };

nixos/modules/system.nix

@@ -7,10 +7,10 @@
 
   config = lib.mkIf config.custom.system.enable {
     # System-wide settings
-    system.stateVersion = "24.11";
+    system.stateVersion = "25.11";
 
     # Users
-    users.users.youruser = {
+    users.users.eliaskohout = {
       isNormalUser = true;
       extraGroups = [ "wheel" "docker" ];
       shell = pkgs.zsh;