Howto repackage deb packages

howto_deb_repackage.txt

Use folowing steps to repackage debian package:

1: Make dirs
    # mkdir extract/DEBIAN build -p

2: Extract deb package
    # dpkg-deb -x <package.deb> extract/

3: Extract control-information from a package
    # dpkg-deb -e <package.deb> extract/DEBIAN
    
4: Do some stuff/make the changes you need to make, enter the extract directory, then recalculate the md5sums
    # cd extract
    # find * -type f ! -ipath '*DEBIAN*' -exec md5sum {} \; > DEBIAN/md5sums
    # cd ..

4. After completed to make changes to the package, repack the deb
    # dpkg-deb -b extract/ build/