- libarchive is now used to unpack packages instead of tar command
- fix invalid sha256sum field name and that way hash verification
- rm -rf call is replaced with built in function
- call to find replaced with internal function implementation
- update_alternatives.sh script was removed
- empty journal recovery is now not considered as fatal
This should fix problems with Mox updates failing because of not enough RAM. The primary change for it is usage of libarchive over tar.