mergemaster: "schg" flag for temproot/var/emtpy ??

[Jerry McAllister]

> 
> Hi,
> 
> I am trying to learn the buildworld and mergemaster process from the Handbook.
> 
> The handbook says:
> 
> [...]
> To begin simply type mergemaster at your prompt, and watch it start going.
> [..]
> 
> SO I did type mergemaster and all went well.
> 
> Decided then to remove the temproot directory, but failed!
> 
> # rm -rf /var/tmp/temproot
> rm: /var/tmp/temproot/var/empty: Operation not permitted
> rm: /var/tmp/temproot/var: Directory not empty
> rm: /var/tmp/temproot/: Directory not empty
> 
> Took me a long while to figure out the /var/tmp/temproot/var/empty direcoty
> has the schg flag set. Very, very confusing.
> Is there any reason why it is like that?
> If not, then do not create the empty directory with schg !!

Because /var/empty should not be deleted.  Some programs use it.
I don't know about that particilar variation.

////jerry

> 
> Regards,
> Rob.