[LFS Trac] #5655: Remove $LFS/{bin,lib,sbin} from the chown commands

#5655: Remove $LFS/{bin,lib,sbin} from the chown commands
-------------------------+----------------------
 Reporter:  Xi Ruoyao    |      Owner:  lfs-book
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  12.4
Component:  Book         |    Version:  git
 Severity:  normal       |   Keywords:
-------------------------+----------------------
 They are symlinks and running chown on a symlink actually operates on the
 target of the link, and the targets of these links are already covered by
 $LFS/usr/*.  So running chown on them are redundant, and it's potentially
 harmful if the user wrongly types

 {{{
 for i in bin lib sbin; do
   ln -sv /usr/$i $LFS/$i
 done
 }}}

 (note that the additional "/" before usr) in Creating a Limited Directory
 Layout in the LFS Filesystem: in this case /usr/lib of the host will be
 owned by the LFS user, and when we install Glibc in chapter 5 it'll just
 overwrite the Glibc of the host distro, blowing it up.

 While we may argue "user error is user error" it's still better to prevent
 a single-point failure from blowing up the entire host distro.  And I
 cannot see any bad effect to remove them.

 Maybe we can even do it before 12.3 release but I'm not sure, so leaving
 the milestone 12.4 for now.
-- 
Ticket URL: <https://wiki.linuxfromscratch.org/lfs/ticket/5655>
LFS Trac <https://wiki.linuxfromscratch.org/lfs/>
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