Second, go to your teammates and confess your sins.įinally, make sure no one messes with the repo for the next couple of minutes because you have some work to do. You were the last person to push before the mistake? If so, all you have to do is ask them to -force push their recent changes!īut even if you are not that lucky, you are still lucky enough to find this article. No need to panic! If you are very lucky, someone else working on the same code pulled a recent version of the branch just before you broke it. In the blink of an eye, everybody's latest work gets lost. You are, without a doubt, a responsible developer, but I bet it happened to you at least once that you or one of your teammates accidentally ran git push -force into an important branch that nobody should ever mess with. It's the same force but with a life vest. Guide: How to deal with destructive `-force` ![]() The -force-with-lease option gives you the flexibility to override new commits on your remote branch while protecting your old commit history. You can specify -force-with-lease exactly which commit, branch, or ref to compare to. By default, -force-with-lease refuses to update the branch unless the remote-tracking branch and the remote branch points to the same commit ref. The -force option has a not-so-famous relative called -force-with-lease, which enables you to push -force your changes with a guarantee that you won't overwrite somebody else's changes. Of course, you haven't lost everything, and the team can take steps to recover, but left uncaught, this mistake could cause quite a lot of trouble. With a branch that a user has yet to update, using -force caused Git to push Bob's changes with no regard to the state of the remote tracked branch, so commits get lost. Bob forgot to update ( git pull) his local tracked branch. If an ancestor commit exists in the remote and not in local (someone updated the remote, and things have yet to update locally), Git won't find a linear path between the commits, and git push fails.īob has made a common mistake when using the -force option. Git automatically searches for a linear path from the current ref to the target commit ref when you push your changes. Fast forward refįast forward is simply forwarding the current commit ref of the branch. Integrates the histories by forwarding the remote branch to reference the new commit, also called Fast forward ref. Copies all the commits that exist in the local branch.Ģ. ![]() A commit is an object that includes several keys such as a unique ID, a pointer to the snapshot of the staged content, and pointers to the commits that came directly before that commit.Ī branch, for that matter, is nothing but a pointer to a single commit.ġ. To understand how Git works, we need to take a step back and examine how Git stores its data.
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