store credits in tree object

This makes sure that the text does not show up directly when running
    git fsck --dangling | cut -d " " -f3 | xargs -n 1 git cat-file -p

build.sh

@@ -57,10 +57,12 @@ Have a free nuggit!" > .git/nuggits
 . "$DOCDIR/store_nuggits.sh" # register the nuggits in our "git database" (aka some loose objects)
 ALMOST_CREDITS_HASH="$(git hash-object -w "$DOCDIR/almost_credits.txt")"
 # for the final credits do a little rot13, just to make life a bit harder if anyone e.g. greps through the loose objects...
-CREDITS_HASH="$(tr 'A-Za-z' 'N-ZA-Mn-za-m' < "$DOCDIR/credits.txt" | git hash-object -w --stdin)"
+FINAL_CREDITS_HASH="$(tr 'A-Za-z' 'N-ZA-Mn-za-m' < "$DOCDIR/credits.txt" | git hash-object -w --stdin)"
+CREDITS_TREE="$(printf "100644 blob %s	almost\n100644 blob %s	final\n" "$ALMOST_CREDITS_HASH" "$FINAL_CREDITS_HASH" | git mktree)"
+
 NUMBER_OF_NUGGITS="$(wc -l <"$DOCDIR/nuggits")"
 
-replace NUMBER_OF_NUGGITS ALMOST_CREDITS_HASH CREDITS_HASH NUGGIT_DESCRIPTION_TREE "$DOCDIR/redeem-nuggit.sh" > ./.git/redeem.nuggit
+replace NUMBER_OF_NUGGITS CREDITS_TREE NUGGIT_DESCRIPTION_TREE "$DOCDIR/redeem-nuggit.sh" > ./.git/redeem.nuggit
 chmod a=rx ./.git/redeem.nuggit
 
 # ------------------------------------------------------------------------------------------- #

src/redeem-nuggit.sh

@@ -27,11 +27,11 @@ git cat-file -e "$(already_redeemed "$nuggit" | git hash-object --stdin)" 2>/dev
 redeemed_nuggits="$(git rev-list --count nuggits)"
 redeemed_nuggits=$((redeemed_nuggits - already_redeemed))
 
-[ "$redeemed_nuggits" -ne $((NUMBER_OF_NUGGITS - 1 )) ] || git cat-file -p ALMOST_CREDITS_HASH;
+[ "$redeemed_nuggits" -ne $((NUMBER_OF_NUGGITS - 1 )) ] || git cat-file -p CREDITS_TREE:almost;
 
 [ "$redeemed_nuggits" -ne $(( NUMBER_OF_NUGGITS + 0 )) ] || {
     git cat-file -e "$(git hash-object --stdin <<< "$((NUMBER_OF_NUGGITS - 1))" | git hash-object --stdin)" 2>/dev/null || { echo Noughty boy!; exit 1; }
-    git cat-file -p CREDITS_HASH | tr 'A-Za-z' 'N-ZA-Mn-za-m';
+    git cat-file -p CREDITS_TREE:final | tr 'A-Za-z' 'N-ZA-Mn-za-m';
 }
 
 git cat-file -p "$(already_redeemed "$nuggit" | git hash-object --stdin)" 2>/dev/null && exit