;;
        esac
 
-       src1=$(git-unpack-file $2)
-       src2=$(git-unpack-file $3)
+       src1=$(git unpack-file $2)
+       src2=$(git unpack-file $3)
        case "$1" in
        '')
                echo "Added $4 in both, but differently."
-               orig=$(git-unpack-file $2)
-               create_virtual_base "$orig" "$src2"
+               orig=$(git unpack-file $(git hash-object /dev/null))
                ;;
        *)
                echo "Auto-merging $4"
-               orig=$(git-unpack-file $1)
+               orig=$(git unpack-file $1)
                ;;
        esac