Some useful git commands

GIT Cheatsheet

# Go back to the previous commit version of a file
```git checkout -- /path/to/file```

# Go back to the previous commit version of everything
```git reset --hard HEAD```

# Revert the last PUSHED commit and make a new one to amend the changes
```git revert HEAD```

# Reset the last PUSHED commit and detach our working copy from the last commit
```git reset --hard HEAD~1```

# Diff file between 2 branches
```git diff branch1^..branch2 -- file```