The latest plymouth no longer relies on dracut to provide functions
needed to install binaries/libs so the check for a variable name
no longer works and the old, built-in script is used instead thus
breaking the new drm and framebuffer plymouth module installation.
This rewrites a portion of the module to support xz, as well as allow
an easier expansion should future compression methods for kernel
modules ever materialize.
Like -H, we need to poll every module to check if it is needed
to mount a specific device in '--mount'.
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
This should fix initial initrd generation during install.
If the modules are not desired to be used, the nokmsboot kernel
command line should disable them.
Harald Hoyer