fix nnn with nushell

home.nix

@@ -112,6 +112,7 @@ in
     ".config/jj".source = home/config/jj;
     ".icons/default".source = "${pkgs.vanilla-dmz}/share/icons/Vanilla-DMZ";
     ".config/nushell/themes".source = home/config/nushell/themes;
+    ".config/nushell/quitcd".source = home/config/nushell/quitcd;
   };
 
   home.sessionVariables = {

home/config/nushell/config.nu

@@ -1,21 +1,21 @@
-# # config.nu
-# #
-# # Installed by:
-# # version = "0.106.1"
-# #
-# # This file is used to override default Nushell settings, define
-# # (or import) custom commands, or run any other startup tasks.
-# # See https://www.nushell.sh/book/configuration.html
-# #
-# # Nushell sets "sensible defaults" for most configuration settings, 
-# # so your `config.nu` only needs to override these defaults if desired.
-# #
-# # You can open this file in your default editor using:
-# #     config nu
-# #
-# # You can also pretty-print and page through the documentation for configuration
-# # options using:
-# #     config nu --doc | nu-highlight | less -R
+# config.nu
+#
+# Installed by:
+# version = "0.106.1"
+#
+# This file is used to override default Nushell settings, define
+# (or import) custom commands, or run any other startup tasks.
+# See https://www.nushell.sh/book/configuration.html
+#
+# Nushell sets "sensible defaults" for most configuration settings, 
+# so your `config.nu` only needs to override these defaults if desired.
+#
+# You can open this file in your default editor using:
+#     config nu
+#
+# You can also pretty-print and page through the documentation for configuration
+# options using:
+#     config nu --doc | nu-highlight | less -R
 
 
 ###
@@ -108,3 +108,6 @@ $env.PATH = ($env.PATH |
 
 source ./themes/dracula.nu
 
+source ./quitcd/quitcd.nu
+$env.NNN_TMPFILE = $"($env.HOME)/.config/nnn/.lastd"
+$env.EDITOR = "nvim"

home/config/nushell/quitcd/quitcd.nu

@@ -0,0 +1,39 @@
+# Run nnn with dynamic changing directory to the environment.
+#
+# $env.XDG_CONFIG_HOME sets the home folder for `nnn` folder and its $env.NNN_TMPFILE variable.
+# See manual NNN(1) for more information.
+#
+# Import module using `use quitcd.nu n` to have `n` command in your context.
+export def --env n [
+	...args : string # Extra flags to launch nnn with.
+	--selective = false # Change directory only when exiting via ^G.
+]: nothing -> nothing {
+
+	# The behaviour is set to cd on quit (nnn checks if $env.NNN_TMPFILE is set).
+	# Hard-coded to its respective behaviour in `nnn` source-code.
+	let nnn_tmpfile = $env
+		| default '~/.config/' 'XDG_CONFIG_HOME'
+		| get 'XDG_CONFIG_HOME'
+		| path join 'nnn/.lastd'
+		| path expand
+
+	# Launch nnn. Add desired flags after `^nnn`, ex: `^nnn -eda ...$args`,
+	# or make an alias `alias n = n -eda`.
+	if $selective {
+		^nnn -e ...$args
+	} else {
+		NNN_TMPFILE=$nnn_tmpfile ^nnn -e ...$args
+	}
+
+	if ($nnn_tmpfile | path exists) {
+		# Remove <cd '> from the first part of the string and the last single quote <'>.
+		# Fix post-processing of nnn's given path that escapes its single quotes with POSIX syntax.
+		let path = open $nnn_tmpfile
+			| str replace --all --regex `^cd '|'$` ``
+			| str replace --all `'\''` `'`
+
+		^rm -- $nnn_tmpfile
+
+		cd $path
+	}
+}