adding force push tag

Author: joshjohanning

git/README.md

@@ -36,6 +36,10 @@ Extracts the authors of all commits in a repo and the number of commits they mad
 
 Find large files in a git repo
 
+## force-push-tag.sh
+
+Useful for force pushing / updating a tag so that you can update the tag atomically
+
 ## get-full-sha-from-short-sha.sh
 
 Get the full SHA from a short SHA

git/force-push-tag.sh

@@ -0,0 +1,6 @@
+# useful for force pushing / updating a tag so that you can update the tag atomically
+
+git tag test            # Create tag
+git push origin test    # Push to remote
+git tag test HEAD~2 -f  # Forcibly create tag pointing to old version
+git push origin test -f # Force overwriting the remote tag