Create efficient deltas (patches) between two SquashFS images
$ sudo apt install automake libboost-dev liblz4-dev xdelta3This project uses autotools
$ git clone https://github.com/mgorny/squashdelta.git
$ cd squashdelta$ aclocal
$ autoconf
$ touch AUTHORS NEWS README ChangeLog
$ mkdir build-aux
$ autoreconf --install
$ automake --add-missing$ ./configure --prefix=/opt/bin
$ make$ ./squashdelta <source> <target> <patch-output>