From 0939553e448bd3c0e737397c1ed8c41d0cdaba5b Mon Sep 17 00:00:00 2001
From: Aaron LI <aly@aaronly.me>
Date: Sat, 10 Mar 2018 21:17:22 +0800
Subject: Add upgrade command

---
 dfly-update | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/dfly-update b/dfly-update
index 5d75acf..6177aa2 100755
--- a/dfly-update
+++ b/dfly-update
@@ -532,6 +532,8 @@ Usage:
         Mount the given image file
     backup
         Back up the current kernel and world
+    upgrade
+        Install the new kernel, world, and config files
 _EOF_
     echo
     cmd_version
@@ -601,7 +603,7 @@ cmd_mount() {
     local filepath="$1"
     case "${filepath}" in
         *.bz2)
-            echo -n "Decompressing file: ${filepath} ..."
+            echo -n "Decompressing file: ${filepath} ... "
             bunzip2 "${filepath}"
             echo "DONE"
             filepath="${filepath%.bz2}"
@@ -619,6 +621,14 @@ cmd_backup() {
     backup_world "${backfile}"
 }
 
+# Install the new kernel, world, and config files.
+cmd_upgrade() {
+    [ $# -eq 0 ] || \
+        error ${EC_ARGS} "cmd_upgrade: invalid arguments: $@"
+    install_system
+    upgrade_system
+}
+
 
 #
 # Main
@@ -649,6 +659,10 @@ case "${COMMAND}" in
         shift
         cmd_backup
         ;;
+    upgrade)
+        shift
+        cmd_upgrade
+        ;;
     help|--help|-h|*)
         cmd_usage
         ;;
-- 
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