stackof solution2

test.txt

@@ -0,0 +1,11 @@
+xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxyyyyy
+
+zzzzzzzzzz
+
+git checkout --orphan newBranch
+git add -A  # Add all files and commit them
+git commit -m 'stackof solution2'
+git branch -D master  # Deletes the master branch
+git branch -m master  # Rename the current branch to master
+git push -f origin master  # Force push master branch to github
+git gc --aggressive --prune=all     # remove the old files