Fix live update script (#769970)

pushd and popd are not available in the shell used by dracut.

diff --git a/modules.d/90dmsquash-live/apply-live-updates.sh b/modules.d/90dmsquash-live/apply-live-updates.sh
index 8dce5d45806ba6c5ff18729300d575486bda1b3a..f840d1a28cad832d2f45cd0bd6e8704fe5304ff7 100755 (executable)
--- a/modules.d/90dmsquash-live/apply-live-updates.sh
+++ b/modules.d/90dmsquash-live/apply-live-updates.sh
@@ -1,8 +1,9 @@
 #!/bin/sh
 if [ -b /dev/mapper/live-rw ]; then
-    if pushd /updates &>/dev/null; then
+    if [ -d /updates ]; then
         echo "Applying updates to live image..."
+        cd /updates
         /bin/cp -a -t $NEWROOT .
-        popd &>/dev/null
+        cd -
     fi
 fi