[archiso] archiso_pxe_common: add copy_resolvconf= boot option

README

@@ -90,6 +90,9 @@ INDEX
                     when option "IPAPPEND" is set to 2 or 3 in config.
                     BOOTIF=<hardware-address-of-boot-interface>
                     Default: (set via PXELINUX)
+* copy_resolvconf=  Copy /etc/resolv.conf from initramfs to live-enviroment.
+                    Set to "n" to skip them.
+                    Default: "y"
 
 
 ** hooks/archiso_pxe_nbd

archiso/hooks/archiso_pxe_common

@@ -40,3 +40,11 @@ run_hook () {
         fi
     fi
 }
+
+run_latehook () {
+    [[ -z "${copy_resolvconf}" ]] && copy_resolvconf="y"
+
+    if [[ "${copy_resolvconf}" != "n" && -f /etc/resolv.conf ]]; then
+        cp /etc/resolv.conf /new_root/etc/resolv.conf
+    fi
+}