Force push a branch to another branch without keeping the history or matches.

forcePushGit.sh

# Checkout to the reseting branch
#e.g. `git checkout master`
git checkout old_branch


# reset hard by the new branch's contents
# e.g. `git reset --hard origin/v2.0.0`
git reset --hard new_branch

# force push the contents to the origin
# e.g. `git push origin master --force`
git push origin old_branch --force