From 10a4caf8a5bf6de99248b133a9cb90e791067541 Mon Sep 17 00:00:00 2001
From: Aaron LI <aly@aaronly.me>
Date: Fri, 28 Dec 2018 15:36:56 +0800
Subject: Simplify the vnconfig(8) usage

---
 dfly-update | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dfly-update b/dfly-update
index 07fa1c2..68d74c6 100755
--- a/dfly-update
+++ b/dfly-update
@@ -335,10 +335,10 @@ mount_image() {
 
     local imgfile="$1"
     local mntpnt="$2"
-    local vn=$(vnconfig -l | fgrep "not in use" | head -n 1 | cut -d':' -f 1)
+    local vn
     [ -d "${mntpnt}" ] || mkdir "${mntpnt}"
     echo "Mounting image ${imgfile} to ${mntpnt} ..."
-    vnconfig -v -c ${vn} ${imgfile} || exit ${EC_VN}
+    vn=$(vnconfig -v -c vn ${imgfile}) || exit ${EC_VN}
     mount -r /dev/${vn}s2a ${mntpnt} &&
         echo "DONE" ||
         exit ${EC_MOUNT}
-- 
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