9/17/2023 0 Comments Git rebase vs pull![]() ![]() We can now see there’s a remote named ekohl which points to my fork. Then you fork it, and add it as a new remote: $ git remote add ekohl That’s an irrelevant detail now, but Git - git-config Documentation exists in case you’re interested.įor now the important part is: there’s a remote named origin that points to GitHub’s theforeman/foreman. You can see I have a different URL to push and pull. Remote: Enumerating objects: 155898, done. By default when you clone a repository it creates a remote named origin: $ git clone You should understand that git has remotes. However, something that commonly goes wrong is that people rebase on the wrong branch and end up with incorrect histories.įirst of all, let’s talk about the environment. GitHub’s documentation describes interactive rebase: About Git rebase - GitHub Docs There is documentation that describes a lot, but it is rather complicated for people new to git. Before closing the editor please take a quick look on the available commands, maybe you’ll need them in future, just good to know.Developers are often asked to rebase their git branch. So i’m replacing the pick of the commit by reword and save the file. In this case my commit just needs a new message so i can sign it off. Then you need to pick only your commits and delete all of the other commits to ensure your branch only contains your changes. If the latter is the case you had a merge conflict or somehow messed up your history (usually by merging things). You will get an editor listing all your commits and hopefully no commits of other people. This can be done doing an interactive rebase using following command: git rebase -i upstream/main Rebasing is potentially destructive, so make sure you have a backup.Īs my commit message is broken, i’ll need to change it also. ![]() This changes the history as my change was added before i’ve merged. To fix our issue, my changes have to be applied at the last position. What does rebasing mean? Git is primarily just a collection of diffs with descriptions where the order matters. One solution would be to create a new fork, but that’s somehow cumbersome, let’s do it right. It’s required to base our changes on the current main. ![]() So the DCO-check at github when doing a Pull Request will block it. And now i’ve seen i did not sign off my commit. That is bad, as i don’t want to be responsible for changes of other people. They are part of the commit history after (!) the repository was forked and are in that case also part of the future pull request. Okay, at least the official changes are now also in my branch. It contains any changes that happened since i forked from main and is now part of my branch. Okay, another commit was made, a merge commit. However this is enough to demonstrate how to do things. It consists just in an edit of the README. In my example i’ve made a change in my existing binding. Do not use them if you have not done the same actions in command line once. There are many GUIs there which should help you, but they hide the complexity you need to understand to not break the history. Okay let’s begin.įirst of all: make sure to get a proper Terminal (Unixes do have usually a good one integrated, Windows Users should take a look on the Windows Terminal) and git setup. Best thing to solve this, is to rebase your code changes on the current main branch. If you don’t rebase or merge the right way, you may create unintentional changes in other modules you did not even touch. This is necessary to get a proper history as the openHAB project with many contributors. As git is not easy to handle for new contributors and often first time contributors having trouble with branches here is a guide how to rebase your contribution before creating a pull request. ![]()
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