Enhance Justfile and zsh module: streamline switch commands, add nsp function

Justfile

@@ -23,10 +23,13 @@ format:
     treefmt .
 
 switch:
-    nh os switch --refresh
+    nh os switch
 
 switch_update:
     nh os switch --refresh --update
 
+switch_update_commit:
+    nh os switch --refresh --update --commit-lock-file
+
 help:
     @just --list

common/modules/home/starship.nix

@@ -40,6 +40,10 @@
       nix_shell = {
         symbol = "";
         format = "[](fg:#7EBAE4)[$symbol $state](bg:#7EBAE4 fg:#061A40)[](fg:#7EBAE4) ";
+        impure_msg = "impure";
+        pure_msg = "pure";
+        unknown_msg = "unknown";
+        heuristic = true; 
       };
 
       python = {

common/modules/home/zsh.nix

@@ -24,8 +24,6 @@
     ];
 
     shellAliases = {
-      adbauto = "adbauto_";
-      adbpair = "adbpair_";
       cat = "bat";
     };
 
@@ -57,7 +55,7 @@
         nix-your-shell zsh | source /dev/stdin
       fi
 
-      adbauto_() {
+      adbauto() {
         local PORT=$(avahi-browse -rt _adb-tls-connect._tcp -p | grep '^=' | cut -d';' -f8,9 | head -n 1 | sed 's/;/ /' | awk '{print $2}')
         local IP=$(avahi-browse -rt _adb-tls-connect._tcp -p | grep '^=' | cut -d';' -f8,9 | head -n 1 | sed 's/;/ /' | awk '{print $1}')
         if [ -z "$PORT" ]; then
@@ -68,7 +66,7 @@
         fi
       }
 
-      adbpair_() {
+      adbpair() {
         echo "Looking for Android pairing service..."
         local SERVICE=$(avahi-browse -rt _adb-tls-pairing._tcp -p | grep '^=' | head -n 1)
         if [ -z "$SERVICE" ]; then
@@ -81,6 +79,10 @@
         adb pair "$IP:$PORT"
       }
 
+      nsp() {
+        IN_NIX_SHELL="impure" nix shell $(echo "$@" | sed 's/\([^ ]*\)/nixpkgs#\1/g')
+      }
+
       # Dank `sudo` OMZ plugin replacement
       prepend-sudo() {
         if [[ $BUFFER != su(do|)\ * ]]; then
@@ -88,6 +90,7 @@
           CURSOR+=5
         fi
       }
+
       zle -N prepend-sudo
       bindkey "\e\e" prepend-sudo
     '';