1 files changed, 15 insertions, 12 deletions

diff --git a/hooks/archiso_pxe_nbd b/hooks/archiso_pxe_nbd
index 4fb7fa5..ce93080 100644
--- a/hooks/archiso_pxe_nbd
+++ b/hooks/archiso_pxe_nbd
@@ -1,19 +1,20 @@
-# vim: set ft=sh:
+#!/bin/ash
 
 run_earlyhook() {
-    if [[ -n "${ip}" && -n "${archiso_nbd_srv}" ]]; then
+    # shellcheck disable=SC2154 # defined via initcpio's parse_cmdline()
+    if [ -n "${ip}" ] && [ -n "${archiso_nbd_srv}" ]; then
         # Module autoloading like with loop devices does not work, doing manually...
         modprobe nbd 2> /dev/null
     fi
 }
 
 run_hook() {
-    if [[ -n "${ip}" && -n "${archiso_nbd_srv}" ]]; then
+    if [ -n "${ip}" ] && [ -n "${archiso_nbd_srv}" ]; then
 
-        archiso_nbd_srv=$(eval echo ${archiso_nbd_srv})
-        [[ -z "${archiso_nbd_name}" ]] && archiso_nbd_name="archiso"
+        archiso_nbd_srv=$(eval echo "${archiso_nbd_srv}")
+        [ -z "${archiso_nbd_name}" ] && archiso_nbd_name="archiso"
 
-        mount_handler="archiso_pxe_nbd_mount_handler"
+        export mount_handler="archiso_pxe_nbd_mount_handler"
     fi
 }
 
@@ -29,19 +30,21 @@ archiso_pxe_nbd_mount_handler () {
     done
 
     msg ":: Setup NBD from ${archiso_nbd_srv} at /dev/nbd0"
-    if [[ "${copytoram}" != "n" ]]; then
-        nbd-client ${archiso_nbd_srv} -N ${archiso_nbd_name} /dev/nbd0
+    if [ "${copytoram}" != "n" ]; then
+        nbd-client "${archiso_nbd_srv}" -N "${archiso_nbd_name}" /dev/nbd0
         copytoram="y"
     else
-        nbd-client ${archiso_nbd_srv} -N ${archiso_nbd_name} -systemd-mark -persist /dev/nbd0
+        nbd-client "${archiso_nbd_srv}" -N "${archiso_nbd_name}" -systemd-mark -persist /dev/nbd0
     fi
 
-    archisodevice=/dev/nbd0
+    export archisodevice=/dev/nbd0
 
-    archiso_mount_handler ${newroot}
+    archiso_mount_handler "${newroot}"
 
-    if [[ "${copytoram}" == "y" ]]; then
+    if [ "${copytoram}" = "y" ]; then
         msg ":: Disconnect NBD from ${archiso_nbd_srv} at /dev/nbd0"
         nbd-client -d /dev/nbd0
     fi
 }
+
+# vim: set ft=sh: