rename a git tag

rename-tag

#!/bin/bash
echo "enter new tag: "
read new

echo "enter old tag: "
read old

echo "new tag: " $new
echo "old tag: " $old

read -r -p "Are you sure? [y/N] " response
if [[ $response =~ ^([yY][eE][sS]|[yY])$ ]]
then
    echo "Renaming tag"
    git checkout tags/$old
    git tag $new $old
    git tag -d $old
    git push origin :refs/tags/$old
    git push --tags
else
    echo "Exiting..."
fi