omni: utils: add a script to merge CAF tag

Change-Id: I701c4d250ec1cbadfc63727fb542a493d69452b4
diff --git a/utils/caf-merge.sh b/utils/caf-merge.sh
new file mode 100755
index 0000000..b995ab7
--- /dev/null
+++ b/utils/caf-merge.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+#
+# Copyright (C) 2021 OmniROM Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+echo -e "Enter the CAF ref to merge";
+read ref;
+
+cd ../../../
+
+while read path;
+    do
+
+    project=`echo android_${path} | sed -e 's/\//\_/g'`;
+    caf_project=${path};
+    if [ "${path}" == "build" ] ; then
+        path="build/make";
+    fi
+
+    echo "";
+    echo "=====================================================================";
+    echo " PROJECT: ${project} -> [ ${path}/ ]";
+    echo "";
+
+    rm -fr $path;
+    echo " -> repo sync ${path}";
+    ret=$(repo sync -d -f --force-sync ${path} 2>&1);
+    cd $path;
+
+    # make sure that environment is clean
+    ret=$(git merge --abort 2>&1);
+
+    echo " -> Merging remote: https://source.codeaurora.org/quic/la/platform/$caf_project ${ref}";
+    ret=$(git pull https://source.codeaurora.org/quic/la/platform/$caf_project ${ref} 2>&1);
+
+    if echo $ret | grep "CONFLICT (content)" > /dev/null ; then
+        echo -e " -> \e[33mWARNING!: \e[31mMERGE CONFLICT\e[0m";
+    else
+        echo -e " -> \e[32mDONE!\e[0m";
+    fi
+
+    cd - > /dev/null;
+
+done < vendor/omni/utils/caf-repos-list;