If you wish to create a new tag to associate with your latest code changes to achieve that you would use the git tag command. If you discover you are working within the wrong branch, you can change the branch you are working within using the following command: git checkout branchname If you have multiple branches on your machine and not sure which branch you are working within you can use the following command to check: git status Of course, if your branch already exists in the remote location, you can just run git push. The command you would use is: git push -u origin branchname You have to use a slightly different command than just git push to do this, as you need the branch to be created in the remote location. So after you have made your changes and committed them it’s time to push those changes to the remote location. When you create a branch on your desktop or workstation it won't automatically create within the remote location as well. From here you can start to make your changes and commit files and they will be attached to the branch you’ve just created. This command creates the branch and also switches your working context to be in that branch. If you’d like to create a new branch from the production code, then you would use the command: git checkout -b branchname Let’s take a look at the workflow and commands you’d typically encounter if you were using branches. Working with branches and tags within the Git CLI You can easily find that point in the code using a tag, it is much harder, if not impossible to find that point in time within a branch alone. It can also be a way of referencing a point in time within your code for later reference. When it comes to releasing a new version of your product, you can tag it. Tags are a great way of marking significant events within your code base. A tag is most typically used to mark a particular point in the commit ancestry chain. In contrast to a head, a tag is not updated by the commit command. If we go back to the gitglossary a tag is defined as:Ī ref under refs/tags/ namespace that points to an object of an arbitrary type (typically a tag points to either a tag or a commit object). It can be time consuming when you come to merge a branch into the production one if there are merge conflicts. The biggest disadvantage of branches comes when merging. The other advantage branches give you is the ability to carry out reviews and testing on individual branches without holding up other work that might be happening. Also, having separate branches for features or bug fixes means that each engineer can work independently and doesn’t directly impact any other engineer's work. When they have finished their work they can then request a review of the code and their branch is merged into the production branch.īranches work well as they avoid anyone directly working on the production branch of code. Using a branch doesn’t affect the production code. Lots of engineers create a new branch from the production branch to work on a bug fix or to add a new feature, or to experiment with something. In a working environment, where and how does a branch fit in? A single Git repository can track an arbitrary number of branches, but your working tree is associated with just one of them (the "current" or "checked out" branch), and HEAD points to that branch. The tip of the branch is referenced by a branch head, which moves forward as additional development is done on the branch. The most recent commit on a branch is referred to as the tip of that branch. Within the gitglossary we have the definition for a branch.Ī "branch" is a line of development. Tags and Branches: What’s the Difference? What is a Git branch? In this article I want to explore Git tags and branches and understand the lingo as well as the use cases. And when we look at the options that Git gives us for code management, there are lots of different commands and tools packed within it. Within IT there are lots of different ways to solve problems, architect solutions, deploy applications, etc.
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