#Git rebase on another branch update#
#Git rebase on another branch code#

#Git rebase on another branch update#

You’ll also need to do a git push -f origin branchB to force the update - and now when you raise a pull request, you will only pick up the changes from branchB. You could also do this with other branches too - but then that could become really complicated! This moves branchB from branchA and onto master. Here is a useful (and I have also found to be much under-documented) CLI command that you might want to try out: This is how your branch setup might look like: -masterĪnd you want it to look like this: -master You could wait till the original branch is ready, but alternatively, you can use git rebase to help you. However, when you raise the pull request for the second branch, you get all the changes from the first! Of course it does - you’ve branched off a branch! Unfortunately the original branch is not ready to be merged and you need to promote your branch to a first class citizen, branched off of master. The operation to perform a Git rebase of master to the develop branch is fairly simple. What we actually want is the range of commits from feature to bugfix to be replayed on top of master.You’ve branched off a branch. The range to happens to include all the commits from feature, which are replayed on top of master: A-B-F-G master As it is, any sort of merge or rebase shown above in this answer will take the three feature commits along with the two bugfix commits.įor example, git rebase master bugfix is wrong. What I want is to 'move' these commits for bugfix so that they're no longer dependent on feature. Let's say I was on feature and noticed a bug, which I then started fixing - but had branched off of feature instead of master by mistake: A-B-F-G master To see why -onto is useful, here's a different example. (I don't use -onto without specifying simply because it's easier to mentally parse, even thought those two are the same if already on feature.) So above, if I specified -onto specifically, this would result in the same: git rebase -onto master master The important part to remember with this is that it defaults to if not specified. If you're not on feature, the second argument can be used to switch to it as a shortcut: git rebase master feature will do the same thing as above.

#Git rebase on another branch code#

In both cases, feature now contains code from both master and feature. While a git rebase master (while on branch feature!) results in this: A-B-F-G master To borrow peachoftree's example: A-B-F-G masterĪ git merge master results in this: A-B-F-G master It's not really, but it helped when first starting to understand rebase. The exception is branch which doesn't change your current branch: git checkout & git branch & git checkout Īs for understanding what rebase does when invoked, I first started by thinking of it as a special type of merge. When the second branch is omitted, the result is almost the same as first checking out that branch and then doing it as though you had not specified that branch. I typically think of them like peachoftree, and, which is how I'll be using them: git rebase ) (Aside, the names of these arguments in rebase, 'upstream' and 'branch' aren't very descriptive IMO.

upstream and branch are pretty basic, and actually sort-of mimic checkout and branch - the second argument is optional: git branch So it's a bit unusual that I've been able to memorize every other command and its parameters so far, but not rebase with -onto. I haven't been able to memorize them so far, and I've done a ton of rebases already. My goal is that I should never have to review the documentation for these basic parameters. So at this point I feel I need to involve other people to help me grasp it. What is a good rule of thumb to help me memorize what each of these 3 parameters should be set to, given any kind of rebase onto another branch?īear in mind I have gone over the git-rebase documentation again, and again, and again, and again (and again), but it's always difficult to understand (like a boring scientific white-paper or something). Specifically, it's the command line arguments that are confusing.Įach time I want to rebase a small piece of one branch onto the tip of another, I have to review the git rebase documentation and it takes me about 5-10 minutes to understand what each of the 3 main arguments should be. So far the most confusing portion of git is rebasing onto another branch.