[Pkg-sysvinit-devel] sysv-rc: Restoration of links on replacement with file-rc

[Kel Modderman]

Hi Roger.

> 
> sysv-rc and file-rc are not completely interchangeable.  sysv-rc
> tries to restore the old sequence numbers in /etc/rc*.d on removal,
> which is fine.  But if I reinstall sysv-rc and then try to install
> file-rc again, it fails on purge because it can't restore the links
> the second time around.
> 
> Since file-rc just deletes the links (and when file-rc is using
> insserv, it won't need any information from them), is there any
> need to retain this behaviour?  Especially since it's partially
> broken; not sure what's at fault there.  Does anything else make
> use of the status information in /var/lib/update-rc.d?

IMO, the reversal process has always been very fragile and should no longer
be retained now that sysvinit unconditionally migrates to dependency based
boot order.

Thanks, Kel