Ok , /var/lib/portage/config keeps the hashes of the original modified files.
Thanks Marco On Wed, 15 Jun 2016 17:14:01 +0100 Neil Bothwick <n...@digimed.co.uk> wrote: > On Wed, 15 Jun 2016 18:07:21 +0200, ma...@nucleus.it wrote: > > > then i change parameters in /etc/dhcp/dhcpd.conf > > and /etc/conf.d/dhcpd > > > > then i upgrade the net-misc/dhcp (net-misc/dhcp ~amd64) > > > > emerge -v1 net-misc/dhcp > > [ebuild U ~] net-misc/dhcp-4.3.4::gentoo [4.3.3_p1::gentoo] > > > > but when the update finished i don't have any etc-update to do . > > > > Why emerge do not create new ._cfg0000_dhcpd.conf > > and ._cfg0000_dhcpd ? > > Because portage has a degree of intelligence. If the upstream config > file has not changed, there is no need to run etc-update. > >
