Script to merge branchs git

git_merge.sh

#!/bin/bash

if [ -z $1 ];
then
    br_orig="master"
else
    br_orig=$1
fi

if [ -z $2 ];
then
    br_dest="pre"
else
    br_dest=$2
fi

echo "Updating "$br_orig
git checkout $br_orig && git pull origin $br_orig

echo "Updating "$br_dest
git checkout $br_dest && git pull origin $br_dest

echo "Merge "$br_orig" with "$br_dest" && Push"
git merge $br_orig && git push origin $br_dest

echo "Done"