Nix : Shell to spawn nix-shell.

.config/bash/module/Nix.sh

@@ -71,7 +71,20 @@ function nix_shell() {
 
 	nix_shell="${name}" nix-shell ~/.config/linux/shell/"${name^}".nix
 }
-alias shell="nix_shell"
+alias mkshell="nix_shell"
+
+# Spawn nix-shell with specified packages.
+# Usage: shell <PACKAGES>
+function shell() {
+	local pkgs="${*}"
+
+	if [[ "${pkgs}" = "" ]]; then
+		help shell
+		return 2
+	fi
+
+	nix-shell -p "${pkgs}"
+}
 
 # Autocomplete with available hosts.
 function _comp_hosts() {
@@ -87,8 +100,7 @@ function _comp_shells() {
 	local targets=($(ls ~/.config/linux/shell/ | sed -e "s/.nix$//" | tr '[:upper:]' '[:lower:]'))
 
 	_autocomplete_first ${targets[@]}
-
 }
 
 complete -F _comp_hosts nix_update nix_upgrade
-complete -F _comp_shells nix_shell shell
+complete -F _comp_shells nix_shell mkshell

.doc/Bash.md

@@ -280,6 +280,7 @@ Command|Description
 `nix_upgrade [HOSTNAME]`|Upgrade system. Applies after reboot. Optionally force the hostname. 
 `nix_clean`|Free up root space. 
 `nix_shell [NAME]`|Spawn shell with specified nix environment. `Main` is default. 
+`shell <PACKAGES>`|Spawn nix-shell with specified packages. 
 
 ## Notify.