[hooks/archiso_pxe_nbd] Refactor, remove sed usage.

* ipconfig cmd writes a file in /tmp that is ready for direct evaluation.
We can use this instead of parsing the output, to do this some variable
renames are needed.

Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>

archiso/hooks/archiso_pxe_nbd

@@ -1,8 +1,12 @@
 # vim: set ft=sh:
 run_hook () {
-    local line i net_mac bootif_mac bootif_dev address netmask gateway dns0 dns1 rootserver rootpath filename
-
-    : > /ip_opts
+    local line i net_mac bootif_mac bootif_dev
+    # These variables will be parsed from /tmp/net-*.conf generated by ipconfig
+    local DEVICE
+    local IPV4ADDR IPV4BROADCAST IPV4NETMASK IPV4GATEWAY IPV4DNS0 IPV4DNS1
+    local HOSTNAME DNSDOMAIN NISDOMAIN ROOTSERVER ROOTPATH
+    local filename
+    # /tmp/net-*.conf
 
     if [ -n "${ip}" ]; then
         if [ -n "${BOOTIF}" ]; then
@@ -20,45 +24,11 @@ run_hook () {
         fi
 
         # setup network and save some values
-        ipconfig "ip=${ip}" | while read line; do
-            # echo ":: ${line}"
-            if [ "${line#"IP-Config:"}" != "${line}" ]; then
-                continue
-            fi
-            line="$(echo ${line} | sed -e 's/ :/:/g;s/: /=/g')"
-            for i in ${line}; do
-                case "${i}" in
-                    address=*)
-                        echo "${i}" >> /ip_opts
-                        ;;
-                    netmask=*)
-                        echo "${i}" >> /ip_opts
-                        ;;
-                    gateway=*)
-                        echo "${i}" >> /ip_opts
-                        ;;
-                    dns0=*)
-                        echo "${i}" >> /ip_opts
-                        ;;
-                    dns1=*)
-                        echo "${i}" >> /ip_opts
-                        ;;
-                    rootserver=*)
-                        echo "${i}" >> /ip_opts
-                        ;;
-                    rootpath=*)
-                        echo "${i}" >> /ip_opts
-                        ;;
-                esac
-            done
-        done
+        ipconfig "ip=${ip}"
 
-        . /ip_opts
+        . /tmp/net-*.conf
 
-        echo "IP-Config: ${address}/${netmask}"
-        echo "IP-Config: gw: ${gateway}    dns0: ${dns0}    dns1: ${dns1}"
-
-        nbdserver=${rootserver}
+        nbdserver=${ROOTSERVER}
 
         [[ -z "${archiso_nbd_name}" ]] && archiso_nbd_name="archiso"
 

archiso/install/archiso_pxe_nbd

@@ -12,6 +12,8 @@ build ()
     FILES=""
     SCRIPT="archiso_pxe_nbd"
 
+    add_dir /tmp
+
     add_binary "/usr/sbin/nbd-client" "/bin/nbd-client"
     add_binary "/lib/initcpio/ipconfig" "/bin/ipconfig"