[poky] [PATCH 2/5] cronie: enable multi-user crontab usage and make cron environment complete

[Tian, Kevin]

> From: Wold, Saul
> Sent: Friday, January 28, 2011 8:34 AM
> 
> On 01/27/2011 04:07 PM, Tian, Kevin wrote:
> >> From: Wold, Saul
> >> Sent: Friday, January 28, 2011 2:00 AM
> >>> +
> >>> +pkg_postinst_${PN} () {
> >>> +	if [ "x$D" != "x" ] ; then
> >>> +		exit 1
> >>> +	fi
> >>> +
> >>> +	# below setting is necessary to allow normal user using crontab
> >>> +
> >>> +	# add 'crontab' group and setgid for crontab binary
> >>> +	grep crontab /etc/group || addgroup crontab
> >>> +	chown root:crontab /usr/bin/crontab
> >>> +	chmod 2755 /usr/bin/crontab
> >>> +
> >>> +	# allow 'crontab' group write to /var/spool/cron
> >>> +	chown root:crontab /var/spool/cron
> >>> +	chmod 770 /var/spool/cron
> >>> +
> >>> +	chmod 600 /etc/crontab
> >>>    }
> >> Kevin,
> >>
> >> I am going to hold off pulling this and the at changes.
> >>
> >> Is there a specific reason that you are creating this as a post install
> >> operation for the permission management, both this and the at recipes
> >> are doing this.  Please remember that adding additional items that run
> >> at first boot slow things down.
> >>
> >> Is it possible to run these permission changes at actual install time,
> >> instead of on the target.
> >>
> >
> > I thought about this when baking the patch, and finally went to this way
> because
> > there's chown operation and new group needs to be created. This has to be
> done
> > on the target, as you'll see in other similar recipes like dbus, hal, ...
> >
> Since this is a similar theme, is there a bbclass or method that could
> be written in order to handle adding users/groups to the passwd/group
> file during sysroot creation time, prior to packaging?
> 
> Will pseudo handle this correctly?
> 
> Maybe for 1.0 we go this route, but we should think more about this, in
> order to create the users and groups we need.

Yes, we can think more about it. The less postinst works, the better.

But generally speaking, group/permission operations in my observation are 
quick in the 1st boot. There're other postinst being heavy. :-)

Thanks
Kevin