appdwarf: improve trap unmount and remove appdir

appdwarf

@@ -14,6 +14,7 @@ header() {
     export APPDIR APPIMAGE="$(realpath "$0")" ARGV0="$0" OWD="$PWD"
     args="-o offset=auto -o tidy_strategy=swap -o workers=4"
     [ ! -d "$APPDIR" ] && mkdir "$APPDIR" && dwarfs $args "$0" "$APPDIR" 2>/dev/null
+    trap 'fusermount -quz $APPDIR' 0 1 2 3 6 14 15 EXIT
     "$APPDIR/AppRun" "$@"
     res=$?
     fusermount -quz "$APPDIR"
@@ -46,7 +47,7 @@ zzexe_header() {
     awk 'f;/^exit \$res$/{f=1}' "$0" | head -c-1 | zstd -cd > "$out"
     chmod +x "$out"
     ln -s "$out" "$dir"
-    trap : 0 1 2 3 6 14 15
+    trap 'rm "$out" "$dir/$(basename "$out")"'  0 1 2 3 6 14 15 EXIT
     "$dir/$(basename "$out")" "$@"
     res=$?
     rm "$out" "$dir/$(basename "$out")"
@@ -76,7 +77,7 @@ case "$1" in
         shift
         zzexe "$@" ;;
     --version | -v )
-        tput setaf 2; echo appdwarf 2022.09.09
+        tput setaf 2; echo appdwarf 2022.10.10
         tput setaf 6; echo Built by July 🏳️‍🌈; exit ;;
     -* | '' )
         echo "Usage: appdwarf [option] [APP/FILE/FOLDER/URL] [compression options]"
@@ -142,5 +143,5 @@ head="$(mktemp)"
 printfunc header > "$head"
 
 mkdwarfs -o "$(realpath "$1").sh" -B5 --header "$head" -i "$@"
-rm "$head"
+rm -rf "$head" "$1"
 chmod +x "$(realpath "$1").sh"