Initial commit of flake-based NixOS config for the whole haus

modules/common/shell.nix

@@ -0,0 +1,57 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  environment.variables.EDITOR = "nvim";
+
+  users.users.user.shell = pkgs.bash;
+  environment.shells = with pkgs; [bash];
+  programs.bash = {
+    interactiveShellInit = ''
+      if [[ $(${pkgs.procps}/bin/ps --no-header --pid=$PPID --format=comm) != "fish" && -z ''${BASH_EXECUTION_STRING} ]]
+      then
+        shopt -q login_shell && LOGIN_OPTION='--login' || LOGIN_OPTION=""
+        exec ${pkgs.fish}/bin/fish $LOGIN_OPTION
+      fi
+    '';
+  };
+  programs.fish.enable = true;
+  programs.starship = {
+    enable = true;
+    settings = {
+      add_newline = true;
+      command_timeout = 1300;
+      scan_timeout = 50;
+      format = ''
+        $all$nix_shell$nodejs$lua$golang$rust$php$git_branch$git_commit$git_state$git_status
+        $username$hostname$directory'';
+      character = {
+        success_symbol = "[](bold green) ";
+        error_symbol = "[✗](bold red) ";
+      };
+    };
+  };
+  #programs.zsh = {
+  #  enable = true;
+  #  enableCompletion = true;
+  #  autosuggestions.enable = true;
+  #  syntaxHighlighting.enable = true;
+  #
+  #  shellAliases = {
+  #    update = "sudo nixos-rebuild switch";
+  #    upgrade = "sudo nixos-rebuild switch --upgrade";
+  #    proxy-grabber =
+  #      "if [ $# -eq 0 ]; then torsocks curl -sL https://cdn.jsdelivr.net/gh/proxifly/free-proxy-list@main/proxies/all/data.txt else countrycode=$(echo $1 | tr '[:lower:]' '[:upper:]') torsocks curl -sL https://cdn.jsdelivr.net/gh/proxifly/free-proxy-list@main/proxies/countries/$countrycode/data.txt fi";
+  #    usbdiff =
+  #      "lsblk > diff1 && echo 'SLEEPING 5...' && sleep 5 && lsblk > diff2 && diff diff1 diff2 && rm diff1 diff2";
+  #  };
+  #
+  #  oh-my-zsh = {
+  #    enable = true;
+  #    plugins = [ "git" ];
+  #    theme = "clean";
+  #  };
+  #};
+}