home: move zsh and direnv to new modules

home-manager/modules/shell/direnv.nix

@@ -0,0 +1,15 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let cfg = config.modules.shell.direnv;
+in {
+  options.modules.shell.direnv = { enable = mkOption { default = false; }; };
+
+  config = mkIf cfg.enable {
+    programs.direnv = {
+      enable = true;
+      enableZshIntegration = true;
+    };
+  };
+}

home-manager/modules/shell/zsh/default.nix

@@ -0,0 +1,75 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let cfg = config.modules.shell.zsh;
+in {
+  options.modules.shell.zsh = { enable = mkOption { default = false; }; };
+
+  config = mkIf cfg.enable {
+
+    home.file = {
+      ".config/starship.toml".source = ../../../../starship/starship.toml;
+    };
+
+    home.packages = with pkgs; [ starship ];
+
+    programs.starship = {
+      enable = true;
+      enableZshIntegration = true;
+    };
+
+    programs.zsh = {
+      enable = true;
+
+      initExtra = ''
+        function go_dir_up() {
+          cd .. || return 1
+        }
+
+        function zle_go_dir_up() {
+          zle .kill-buffer
+          go_dir_up
+          zle .accept-line
+        }
+
+        fzf-z() {
+            dir=$(z | fzf --tiebreak=index --tac | sed -E 's/^[0-9]+[[:space:]]+//')
+            cd $dir
+        }
+
+        mkcd ()
+        {
+            mkdir -p -- "$1" && cd -P -- "$1"
+        }
+
+        zle -N zle_go_dir_up
+        bindkey "^[[1;3A" zle_go_dir_up
+        bindkey "^[[A" history-substring-search-up
+        bindkey "^[[B" history-substring-search-down
+
+        bindkey "^[[1;5C" forward-word
+        bindkey "^[[1;5D" backward-word
+      '';
+
+      zplug = {
+        enable = true;
+        plugins = [
+          # list of plugins: https://github.com/unixorn/awesome-zsh-plugins
+          { name = "agkozak/zsh-z"; }
+          { name = "mdumitru/last-working-dir"; }
+          {
+            name = "zsh-users/zsh-completions";
+          }
+
+          # make it behave like fish
+          { name = "zsh-users/zsh-autosuggestions"; }
+          { name = "zsh-users/zsh-history-substring-search"; }
+          {
+            name = "zsh-users/zsh-syntax-highlighting";
+          } # must be last sourced plugin
+        ];
+      };
+    };
+  };
+}