Revert Git Merge:
git revert -m 1 <merge-commit>
Check Differences:
git diff origin/qa3 --name-only
Branch History:
git log feature/modsys.v2 --author=juan
To clean untracked files:
git clean -df
Git patch:
git apply --stat a_file.patch
git apply --check a_file.patch
git am --signoff < a_file.patch
Reset branch:
git reset --hard HEAD
Reset Merge:
git reset --hard origin/qa5