![]() When you perform a merge, Git tries to automatically create a merge commit, combining the work of commits B and C. You cannot use a fast forward merge because commit C has been made to the master branch after you created the feature two branch. Now you are ready to merge your feature two work into the master branch. ![]() Commit B contains the string feature two as the second line of the fileA.txt file. Now let's say that you have finished feature two and made a commit B on the feature two branch. Commit C contains a fileA.txt file that includes the string feature three as the second line of the file. While you are working on the feature two branch, someone makes commit C on the master branch. Then let's say that you create a feature two branch based on commit A. That commit contains a fileA.txt file containing the string feature one. In this example, we start with commit A on the master branch. In that case, a merge conflict occurs and a person needs to make a decision on how to resolve it. However, there are cases where multiple branches make different changes to the same part of a file. If you perform a merge with a merge commit, Git takes on the responsibility of combining the work of multiple branches and placing the result into a single merge commit. We will start with a merge conflict overview. In this video, we'll discuss resolving merge conflicts. It will probably take you about 5-10 hours to go through one of the two paths, but your mileage may vary. This course tries to be as concise as possible. However, most of the knowledge that you gain in this course applies to Git itself, and you can apply this knowledge to other hosted Git providers (such as GitHub). Bitbucket is free for teams of up to 5 people, including private repositories. ![]() This course uses Bitbucket () as the hosted provider for remote Git repositories. If you use the command line path through the course, you can also use Linux. You can watch the videos and take the quizzes from your phone if you want, but the hands-on labs require you to have a Windows or Mac computer. Besides, repetition is good for learning :) Eventually, you might want to go through both paths, so that you can decide which tool to use for specific tasks. If you are not experienced with a command line, we highly suggest that you go through the Sourcetree path. One path assumes that you have experience using a command line interface, and the other path uses the Sourcetree graphical client. This is especially true if you currently "know just enough Git to be dangerous". This course assumes no previous knowledge of Git, but if you do have experience with it, you may find this course to be both useful and challenging. In this course, you will not learn everything there is to know about Git, but you will build a strong conceptual understanding of the technology, and afterward will be able to confidently dig deeper on any topic that interests you. You could also use Git to manage the many continuously improving revisions of that book that you are writing. It is a core component of DevOps, continuous delivery pipelines and cloud-native computing. It is used by most major technology companies, and is assumed knowledge for many modern programming and IT jobs. This allows the team to continuously improve its product. Git manages team files for large and small projects. Git is open source software originally created by Linus Torvalds. But I find myself doing a hard reset and force push from time to time.The Version Control with Git course provides you with a solid, hands-on foundation for understanding the Git version control system. Reverting the commit would be the more mainstream/recommended way of using git, rather than a hard reset. Otherwise git/Sourcetree will not allow you to push your changes because it will say that your branch doesn't match the remote and needs to be merged with it - and if you did that, it would re-introduce the commit you don't want. ![]() *Note if you have already pushed this unwanted commit to a remote, you will have to force push after your hard reset to overwrite the branch on the remote. Make sure you pick the correct commit you want to reset to. Or you can hard reset your working branch to a previous commit if you want it to look like the merge never happened. You can tell git/Sourcetree to reverse the merge commit - to undo the changes introduced from the merge, but creating a new commit - still showing that a merge with master happened. If that is so, there are two ways I can think of. It sounds like you are wanting to do a hard reset - effectively 'delete' the merge with master that happened. ![]()
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