Updating scripts for release

Change-Id: I5c3cfb60d10de03e3f60643bb6d655869ccc8562

 #!/bin/bash
+# ----------------------------------------------------
+# Used to update the project's refs/meta/config
+# ----------------------------------------------------
+
+set -e
 
 GERRIT_USER=${GERRIT_USER:-$USER}
 GERRIT_PROJECT=${GERRIT_PROJECT:-onos}

+#!/bin/bash
+# --------------------------------------------------------
+# Creates a tempdir for release and checks out the code
+# --------------------------------------------------------
+
+set -e
+
+GERRIT_USER=${GERRIT_USER:-$USER}
+BRANCH=${2:-master}
+
+export ONOS_VERSION=${1:-$ONOS_VERSION}
+if [ -z "$ONOS_VERSION" ]; then
+  echo "USAGE: onos-prepare-release <version number>"
+  echo "       Alternatively, ONOS_VERSION must be set"
+  exit -1
+fi
+
+DIR=$(mktemp -d /tmp/onos-release.XXXXX) &&
+  echo "Created tempdir for release: $DIR" ||
+  { echo "Failed to create temp file"; exit 1; }
+
+cd $DIR
+git init
+git remote add origin ssh://$GERRIT_USER@gerrit.onosproject.org:29418/onos.git
+git fetch origin
+git checkout $BRANCH
+
+# Check existance of version
+git tag -l | grep -q $ONOS_VERSION && { echo "ERROR: Version already exists"; exit -1; }
+
+export ONOS_ROOT=$DIR
+exec bash -i
+

@@ -8,7 +8,7 @@
 
 set -e
 
-export NEW_VERSION=$1
+export NEW_VERSION=${1:-$ONOS_VERSION}
 [ -z "$NEW_VERSION" ] && echo "New ONOS version not specified" && exit 1
 
 export NEW_VERSION_SHORT=${NEW_VERSION%-SNAPSHOT}