When using git for version control, there is frequent need on undoing commits due to some unexpected changes. This post will introduce how to undo changes with git command in different cases.Undo commitA common undo case is that some commit needs to be reverted as the commit contains error. In this case, the code is already committed. The command to revert the commit isgit revert HEADThis command will add new a commit to the existing head to undo the previous commit. It will not change the previous commit history, hence there is no risk of losing changes.If need to revert multiple commits, run...

When maintaining code using version control systems such as git, it is unavoidable that we need to rollback some wrong commits either due to bugs or temp code revert. In this case, rookie developers would be very nervous because they may get lost on what they should do to rollback their changes without affecting others, but to veteran developers, this is their routine work and they can show you different ways of doing that.In this post, we will introduce two major ones used frequently by developers.git resetgit revertWhat are their differences and corresponding use cases? We will discuss them ...