From 2bf267cb81c1832cd88f940d375baa70662c8cf1 Mon Sep 17 00:00:00 2001
From: GONG Jie <gongjie.jie@gmail.com>
Date: Mon, 9 Jan 2017 21:34:18 +0800
Subject: [PATCH] Backup file `Release', and restore the saved copy after the
 packages building.

---
 buildcore.sh | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/buildcore.sh b/buildcore.sh
index ba6d5096a..9ea023521 100755
--- a/buildcore.sh
+++ b/buildcore.sh
@@ -190,6 +190,31 @@ function setversionvars {
     echo "$XCAT_RELEASE" >Release
 }
 
+RELEASE_FILE="Release"
+RELEASE_FILE_SAVE="${RELEASE_FILE}.save.998"
+
+function internal_backup()
+{
+    # Create a backup for file `Release'
+    if [ ! -f "${RELEASE_FILE_SAVE}" ]
+    then
+        mv "${RELEASE_FILE}" "${RELEASE_FILE_SAVE}"
+        cp "${RELEASE_FILE_SAVE}" "${RELEASE_FILE}"
+    fi
+}
+
+function internal_cleanup()
+{
+    # Restore file `Release'
+    if [ -f "${RELEASE_FILE_SAVE}" ]
+    then
+        mv "${RELEASE_FILE_SAVE}" "${RELEASE_FILE}"
+    fi
+}
+
+internal_backup
+trap internal_cleanup 0
+
 if [ "$PROMOTE" != 1 ]; then      # very long if statement to not do builds if we are promoting  ### @LINE460 ###
 # we are doing a snap build
 CORE="core-snap"