.bashrc

# delete and re-create the latest tag on remote
rmtag () {
        export TAG=$(git describe --tags --abbrev=0)
        git tag -d $TAG
        git tag $TAG
        git push origin :$TAG
        git push origin $TAG
}

git repush tag

1. While still on any branch

# TAG=v1.1
export TAG=$(git describe --tags --abbrev=0)

git tag -d $TAG

2. Create the tag again: This will "move" the tag to point to your latest commit on that branch

git tag $TAG

3. Delete the tag on remote

git push origin :$TAG

4. Create the tag on remote

git push origin $TAG