nixpkgs/pkgs/tools/networking/dhcp/set-hostname.patch

--- a/client/scripts/linux	2010-09-15 00:49:48.000000000 +0200
+++ b/client/scripts/linux	2011-04-01 16:08:10.984372269 +0200
@@ -133,9 +133,7 @@
            [ "$current_hostname" = '(none)' ] ||
            [ "$current_hostname" = 'localhost' ] ||
            [ "$current_hostname" = "$old_host_name" ]; then
-           if [ "$new_host_name" != "$old_host_name" ]; then
-               hostname "$new_host_name"
-           fi
+           hostname "$new_host_name"
         fi
     fi
dhcp: 4.3.4 -> 4.3.6 2018-01-08 16:33:59 +00:00			`--- a/client/scripts/linux 2010-09-15 00:49:48.000000000 +0200`
			`+++ b/client/scripts/linux 2011-04-01 16:08:10.984372269 +0200`
* Make sure that dhclient properly sets the hostname after reboots. svn path=/nixpkgs/branches/modular-python/; revision=26659 2011-04-01 15:04:20 +00:00			`@@ -133,9 +133,7 @@`
dhcp: 4.3.4 -> 4.3.6 2018-01-08 16:33:59 +00:00			`[ "$current_hostname" = '(none)' ] \|\|`
			`[ "$current_hostname" = 'localhost' ] \|\|`
			`[ "$current_hostname" = "$old_host_name" ]; then`
			`- if [ "$new_host_name" != "$old_host_name" ]; then`
			`- hostname "$new_host_name"`
			`- fi`
			`+ hostname "$new_host_name"`
			`fi`
			`fi`