Remove cache directory after completion

uoeia

@@ -40,6 +40,7 @@ die() {
 
 cleanup() {
     rm -f -- "$cache_dir"/*
+    rm -r -- "$cache_dir"
 }
 
 from_local() {
@@ -75,12 +76,13 @@ dereference() {
     # default replacements:
     # teddit to original redd.it hosted picture
     output="${1//teddit.net\/pics\/w:null_/i.redd.it/}"
+    output="${output//teddit.net/reddit.com}"
     # nitter to twitter
-    output="${1//nitter.net/twitter.com}"
+    output="${output//nitter.net/twitter.com}"
 
     # custom replacements:
     for rep in "${replacements[@]}"; do
-        output="${1//${rep%:::*}/${rep#*:::}}"
+        output="${output//${rep%:::*}/${rep#*:::}}"
     done
     echo "$output"
 }