#!/bin/bash

OLDPWD=$(pwd)

DISCOROOT=/var/disco/testfs

COLOR_CYAN=$(echo -e '\033[0;36;40m'); 
COLOR_MAGENTA=$(echo -e '\033[0;35;40m');
COLOR_GREEN=$(echo -e '\033[0;32;40m');
COLOR_YELLOW=$(echo -e '\033[0;33;40m');
COLOR_BLUE=$(echo -e '\033[0;34;40m');
COLOR_RED=$(echo -e '\033[0;31;40m');
COLOR_NORMAL=$(echo -e '\033[0m');

cd $DISCOROOT

diff -r ./rootfs ./scratchfs |\
    grep -v "^Only in ./rootfs" |\
    sed s/"^Only in \.\/scratchfs\(.*\): \(.*\)"/"info: File: created \1\/\2 : (CONTENT)"/g |\
    sed s/"\/\/"/"\/"/g |\
    grep -v "File: created /.unionfs" |\
    sed s/"^Binary files .\/rootfs\(.*\) and .\/scratchfs.*"/"info: File: modified \1 : (OLDMD5SUM) => (NEWMD5SUM)"/g |\
    sed s/"^diff -r .\/rootfs\(.*\) .\/scratchfs\(.*\)"/"info: File: modified \1 :"/g > /tmp/$$.discofsdiff

find ./scratchfs/.unionfs -iname "*_HIDDEN~" |\
    sed s/"^.\/scratchfs\/.unionfs\(.*\)_HIDDEN~"/"info: File: deleted \1"/g >> /tmp/$$.discofsdiff

#Find the permissions/timestamp diffs from rsync
rsync -ani ./scratchfs/* ./rootfs/ | grep -v .unionfs


# Swap out the (CONTENT) and (MD5SUM) hashes for actual content and md5s
cat /tmp/$$.discofsdiff | python ${OLDPWD}/disco-fs-fixup.py > /tmp/$$.newfile
mv /tmp/$$.newfile n/tmp/$$.discofsdiff


cat /tmp/$$.discofsdiff |\
    sed s/"^info:\(.*\)"/"${COLOR_CYAN}info:\1${COLOR_NORMAL}"/g
    #sed s/"^warning: \(.*\)"/"${COLOR_YELLOW}warning: \1${COLOR_NORMAL}"/g

cd $OLDPWD