Oliver Jumpertz

Oliver Jumpertz

13-11-2022

13:10

Git is by far the most used source control management tool out there. It is basially an essential to know. And this justifies knowing a few of the most important git commands you need in your daily work. Here are 19 that any developer should know:

1. Initialize a repository git init is the most basic command. It initializes a new repository in your current folder and starts the version control flow for your repository.

2. Clone a remote repository You don't necessarily need to create a new repository. Sometimes you just want to download an existing repository and contribute to it. This is where git clone comes in.

3. Stage files for commit Git requires you to actually tell it which directories and files you want under version control. With git add, you tell git: "The next time I commit, take care of this file/directory."

4. Commit files To create a new "version" of your repository, you need to commit your previously staged changes. This creates a unique hash that you can always rewind your repository to. git commit is how you do it.

5. Add a remote repository If you have started with a local repository and now want to upload your code to a remote server, like GitHub or GitLab, you need to add a remote repository. With git remote add ... you do exactly this.

6. Fetch remote changes git fetch tells git to go to the default remote repository or to one you specified and download all changes you don't have in your local repository yet. It doesn't merge those changes into your local branches.

7. Fetch and merges remote changes git pull is like git fetch, but it also merges remote changes into your local branch directly.

8. Rebase your changes git rebase like telling git: "I actually want you to take my current work and replay all changes based on a branch or commit hash, I tell you." git then replays all your changes, one by one, and applies them, pausing when it encounters conflicts.

9. Interactive rebase Interactive rebasing (git rebase -i) is one of git's most powerful commands. You can rearrange commits, squash them, and do much more black magic with it.

10. Reset your local branch git reset --hard is one of the most used commands when you somehow hit a wall and want to start freshly from your latest commit. It throws everything away that you haven't committed yet, and gives you a new chance.

11. Create a new local branch git checkout -b or git switch -c is git's way of letting you create a new branch. Imagine multiple copies of an image where you change different things on different copies. But they are still linked and can be merged.

12. Push a local branch to a remote repository Git is a remote SCM. This means that you can upload your work to make it accessible for more developers and to keep it safer. git push or git push -u is your way to tell git to upload your code.

13. Forcefully push local changes to a remote repository When you push changes to a remote, but someone made changes that you currently don't have, a normal push fails. This is where the parameters --force and --force-with-lease come in. They let you overwrite the remote.

14. Switch your current branch Git branches are great because you can switch between them whenever you like. git checkout / git switch lets you effortlessly switch to another branch whenever you like to.

15. Stash your uncommitted changes Sometimes, you don't want to commit your current work but need to switch to another branch. This is where git stash comes in. It's like a stack where you place your current changes on top. You can then recall them or throw them away later.

16. Rename a branch Renaming a branch is a common operation. Sometimes CI/CD reacts to certain branch names, or you made a typo. No matter the reason, git branch -m or the rename push are your friends for this use case.

17. Apply a commit from one branch to another one Cherry-picking is the process of taking any commit and applying it to another branch that does not yet contain this commit. Great, when you fixed a bug that you also want to include in your new release branch.

18. Show a commit log Although many modern IDEs and editors have a graphical git view, git log is your way to show all commits in descending order, beginning from where you currently are. Great if you want to get a quick overview.

19. Show a graph of your commit log This command is a little advanced, and it makes sense to make an alias for it, but it turns the boring git log into an actual graph that shows branches, where they originate from, and which branch they were merged into.

20. Thread end That's it for this thread. 💛 I hope you found something useful in it for you. 🙏🏻 If you enjoyed this thread, consider dropping a like, retweet the first tweet, and follow me ( Oliver Jumpertz ) for more content like this.



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