Ask pacman only for the packages pkg-add finds missing

bin/omarchy-pkg-add

@@ -5,11 +5,17 @@
 # omarchy:examples=omarchy pkg add jq ripgrep
 # omarchy:requires-sudo=true
 
-if omarchy-pkg-missing "$@"; then
+# Only the missing ones: an installed package from no repository is a "target not found" to pacman -S.
+missing=()
+for pkg in "$@"; do
+  omarchy-pkg-missing "$pkg" && missing+=("$pkg")
+done
+
+if (( ${#missing[@]} > 0 )); then
   if (( EUID == 0 )); then
-    pacman -S --noconfirm --needed -- "$@" || exit 1
+    pacman -S --noconfirm --needed -- "${missing[@]}" || exit 1
   else
-    sudo pacman -S --noconfirm --needed -- "$@" || exit 1
+    sudo pacman -S --noconfirm --needed -- "${missing[@]}" || exit 1
   fi
 fi