how to delete a git tag locally and remote

git-tag-delete-local-and-remote.sh

# show all tags
git tag
# show only some tags
git tag -l <pattern>
git tag --sort=<type>
# delete local tag '12345'
git tag -d 12345
# delete remote tag '12345' (eg, GitHub version too)
git push origin :refs/tags/12345
# alternative approach
git push --delete origin tagName
git tag -d tagName

## Delete all tags
for tag in `git tag -l`
do
  git tag -d $tag
  git push -v origin :refs/tags/$tag
done