Mass change of git remotes for more repositories in same folder. Can be used for Magento 2 repositories located in app/code/Namespace/

change_git_remotes.sh

#!/bin/bash

clear

prefix=""

ls -d */ | while read -r folder;
do
    cd "$folder"
    echo "Before:"
    git remote -v

    remote_reference=$(git remote get-url --push origin)
    repository_name="${remote_reference##*/}"

    git remote remove origin
    git remote add origin "$prefix$repository_name"
    git checkout master
    git fetch
    git branch --set-upstream-to=origin/master master
    git pull

    cd ..
done;