c8113bde32
All this does is put the immutable bit on the target directory.
The intention is to replace this bit to start:
8b205bfbb9/src/create_disk.sh (L229)
However, the real goal here is to add code in this file
to handle redeploying the rootfs for Fedora CoreOS which
combines OSTree+Ignition:
https://github.com/coreos/fedora-coreos-tracker/issues/94
Basically doing this in proper Rust is going to be a lot
nicer than shell script in dracut modules. Among other
details, coreutils `mv` doesn't seem to do the right thing
for SELinux labels when policy isn't loaded.