Multi commit for git repos with different branch but with same message

multicommit.sh

#!/usr/bin/env bash
: <<'DOC'
Directory structure:
    MainFolder:
        => multicomnmit.sh
        => branch_name
            => repository_name
                => .git
    ----------------------------
              EXAMPLE:
    ----------------------------
    My_Repo:
        => multicomnmit.sh
        => branch1
            => My_Repo
        => branch2
            => My_Repo
DOC

REPOSITORY="My_Repo" # <==== Change IT !!

SCRIPTPATH="$( cd "$(dirname "$0")" ; pwd -P )"
MESSAGE=""
echo ""
echo "=======[ MultiCommit ]======="
echo "  Created by Marco Cesarato  "
echo "-----------------------------"
echo " Multi branch commit for git "
echo ""
while [[ $MESSAGE = "" ]]; do
    read -r -p "# [MultiCommit] Insert commit message: " MESSAGE </dev/tty
done
echo ""
for D in `find $SCRIPTPATH -type d -maxdepth 1`
do
    BRANCHPATH="$D/$REPOSITORY/";
    if [ -d "$PLUGINPATH/.git" ]; then
        DIRNAME="${D%"${D##*[!/]}"}"
        DIRNAME=${DIRNAME##*/}
        echo ""
        echo "# [MultiCommit] Branch => $DIRNAME";
        cd $BRANCHPATH
        git add -A
        git commit -m "$MESSAGE"
        git push origin $DIRNAME
        cd ../
    fi
done
echo ""
echo "# [MultiCommit] End!"