sysupgrade: preserve symlinks in backups

Signed-off-by: Catalin Patulea <catalinp@google.com>
SVN-Revision: 42783

diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index 1ec02c729acce798fedf38601c725b1dabb96cf9..6e63783e0a16ebe9003e721e9eb19be2c5acd02c 100755 (executable)
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -102,14 +102,14 @@ add_uci_conffiles() {
        local file="$1"
        ( find $(sed -ne '/^[[:space:]]*$/d; /^#/d; p' \
                /etc/sysupgrade.conf /lib/upgrade/keep.d/* 2>/dev/null) \
-               -type f 2>/dev/null;
+               -type f -o -type l 2>/dev/null;
          opkg list-changed-conffiles ) | sort -u > "$file"
        return 0
 }
 
 add_overlayfiles() {
        local file="$1"
-       find /overlay/etc/ -type f | sed \
+       find /overlay/etc/ -type f -o -type l | sed \
                -e 's,^/overlay/,/,' \
                -e '\,/META_[a-zA-Z0-9]*$,d' \
                -e '\,/functions.sh$,d' \