Read a quoted LANG and append LANG on its own line in omarchy-language

bin/omarchy-language

@@ -10,7 +10,10 @@ set -euo pipefail
 locale_conf=/etc/locale.conf
 
 if (($# == 0)); then
-  sed -n 's/^LANG=//p' "$locale_conf"
+  lang=$(sed -n 's/^LANG=//p' "$locale_conf")
+  # locale.conf may quote the value.
+  lang=${lang#[\"\']}
+  printf '%s\n' "${lang%[\"\']}"
   exit 0
 fi
 
@@ -28,6 +31,7 @@ sudo locale-gen
 if grep -q '^LANG=' "$locale_conf"; then
   sudo sed -i "s/^LANG=.*/LANG=$lang/" "$locale_conf"
 else
+  sudo sed -i '$a\' "$locale_conf"
   echo "LANG=$lang" | sudo tee -a "$locale_conf" >/dev/null
 fi