This shell script checks If the upstream remote is present, it proceeds to fetch all tags from the upstream repository and then pushes these tags to the origin remote repository.

apply-upstream-tags.sh

#!/bin/bash

# Check if the upstream repository is set
upstream=$(git remote -v | grep upstream)

# Check if the upstream repository exists
if [ -z "$upstream" ]; then
    echo "The upstream repository is not set."
else
    echo "Upstream repository found. Fetching and pushing tags."
    # Fetch tags from upstream and push them to origin
    git fetch upstream --tags
    git push origin --tags
fi