Step up your software development game with 7 simple Git commands. Have you ever wondered how one learns to use Git well? You use Git very poorly for a long time. Eventually, you’ll get the hang of it. That’s why I’m here. I’ll take you on a journey to enlightenment. These are my basic guidelines of how to speed up the process of learning Git significantly. I’ll cover what Git actually is and the 7 Git commands I use the most. This article is mainly aimed towards aspiring developers and college freshmen who are in need of an introductory explanation of what Git is and how to master the basics. You can go ahead and read the whole article hurt my feelings significantly by only reading the TLDR; or TLDR; When in the process of learning Git, make a habit of following these steps: all the time! git status Try only to change files you really want to change. is your friend. git add -A Feel free to . git commit -m "meaningful messages" Always doing any pushing, but you have committed any changes. git pull before after Finally, the committed changes. git push Do not go gentle into that good night. The universal first step for any developer is to choose a common place to host his or her code base. Voilá, ! The meeting place for all things regarding code. To be able to understand the concept of GitHub you would first need to understand what Git really is. GitHub Git is a version control software, based on the command line, with a few desktop apps available for Windows and Mac. Created by Linus Torvalds, the father of Linux and one of the most influential people in computer science, ever. Channeling this merit, Git has become a standard for a vast majority of software developers regarding sharing and maintaining code. Those were a bunch of large words. Version control software, means exactly what it says. Git allows you to have a preview of all the versions of your code you have ever written. Literally, ever! Every code base a developer has, will be stored in its respective repository, which can be named anything from to . In the process of developing the code within this repository you will make countless changes, up until the first official release. Here lies the core reason why version control software is so important. It enables you, the developer, to have a clear view of all changes, revisions and improvements ever done to the code base. In turn making it much easier to collaborate, download code to make edits, and upload changes to the repository. However, in spite of all this awesomeness, one thing takes the crown as the most incredible. You can download and use the files even thought you have nothing to do with the development process! Let’s break it down. pineapple express Let’s get back to the GitHub part of the story. It’s just a hub for all repositories, where they can be stored and viewed online. A central meeting point for like minded individuals. Let’s start using it already! Okay, remember, Git is a software, and like any other software you’ll first need to install it: _If you do want to install Git from source, you need to have the following libraries that Git depends on: autotools…_git-scm.com Git - Installing Git * * Anchorman voice Please click on the link above, and follow the instructions stated… Done installing it, great. Now you will need to punch in in your browsers address bar. Create an account if you don’t already have one, and you’re set to rock’n’roll! Jump in and create a new repository, name it Steve for no reason at all, just for the fun of having a repository named Steve. Go ahead and check the checkbox and click the create button. You now have a new repository called Steve. Be proud of yourself, I sure am. github.com Initialize this repository with a README Starting to use Git for real this time. Now comes the fun part. You’re ready to clone Steve to your local machine. View this process as simply copying the repository from GitHub to your computer. By clicking the button you will see a URL which will look something like this: clone or download https://github.com/yourGithubAccountName/Steve.git Copy this URL and open up a command prompt. Now write and run this command: git clone https://github.com/yourGithubAccountName/Steve.git Abrakadabra! Steve has automagically been cloned to your computer. Looking in the directory where you cloned the repository, you’ll see a folder named Steve. This local folder is now linked with it’s the original repository on Github. origin, Remember this process, you will surely repeat it many times in your career as a software developer. With all this formal stuff done, you are ready to get started with the most common and regularly used Git commands. Lame video game reference You’re actually just now starting to use Git for real. Open up the Steve directory and go ahead and open a command prompt from within the same directory. Run the command: git status This will output the status of your working directory, showing you all the files you have edited. This means it’s showing you the difference between the files on the origin and your local working directory. The status command is designed to be used as a template. I’ll come back to talking about commit a bit further down this tutorial. Simply put, shows you which files you have edited, in turn giving you an overview of which you wish to upload back to the origin. commit [git status](https://git-scm.com/docs/git-status) But, before you do any of that, first you need to pick which files you wish to send back to the origin. This is done with: git add Please go ahead and create a new text file in the Steve directory. Name it just for the fun of it. Write whatever you would want in this file. Switch back to the command prompt, and run once again. Now, you’ll see the file show up in red under the banner pineapple.txt git status untracked files. On branch masterYour branch is up-to-date with 'origin/master'.Untracked files:(use "git add <file>..." to include in what will be commited) pineapple.txt The next step is to add a file to staging. Staging can be viewed as a context where all changes you have picked will be bundled into one, when the time comes to commit them. Now you can go ahead and add this file to staging: git add -A The flag means that all files that have been changed will be staged for commit. However, is very flexible and it is perfectly fine to add files one by one. Just like this: -A git add git add pineapple.txt This approach gives you power to cherry pick every file you wish to stage, without the added worry that you’ll change something you weren’t supposed to. After running once again you should see something like this: git status On branch masterYour branch is up-to-date with 'origin/master'.Changes to be committed:(use "git reset HEAD <file>..." to unstage) new file:   pineapple.txt Ready to commit the changes? I sure am. git commit -m "Write your message here" The command stores the current files in staging in a new commit along with a log message from the user describing the changes. The flag includes the message written in double quotes in the commit. Git commit -m Checking the status once again will show you: On branch masterYour branch is ahead of 'origin/master' by 1 commit.(use "git push" to publish your local commits)nothing to commit, working directory clean All changes have now been bundled into one commit with one dedicated message regarding the work you have done. You’re now ready to this commit to the . The push command does literally what it means. It will upload your committed changes from your local machine to the repository origin on GitHub. Go back to the command prompt and run: [git push](https://git-scm.com/docs/git-push) origin git push It will ask you to enter your GitHub username and password, after which you will see something like this: Counting objects: 3, done.Delta compression using up to 4 threads.Compressing objects: 100% (2/2), done.Writing objects: 100% (3/3), 280 bytes | 0 bytes/s, done.Total 3 (delta 0), reused 0 (delta 0)To https://github.com/yourGithubUserName/Steve.gitc77a97c..08bb95a  master -> master That’s it. You have uploaded the local changes. Go ahead and look at your repository on GitHub and you’ll see that it now contains a file named . pineapple.txt What if you work in a team of developers? Where all of them push commits to the origin. What happens then? This is where Git starts to show it’s real power. You can just as easily the latest version of the code base to your local machine with one simple command. pull git pull But Git has it’s limitations. You need to have matching versions to be able to changes to the origin. Meaning the version you have locally needs to be exactly the same as the one on the origin. When from the origin you shouldn’t have files in the working directory, as they will be overwritten in the process. Hence me giving this simple advice. When in the process of learning Git, make a habit of following these steps: push pulling all the time! git status Try only to change files you really want to change. is your friend. git add -A Feel free to . git commit -m "meaningful messages" Always doing any pushing, but you have committed any changes. git pull before after Finally, the committed changes. git push Phew, are you still with me? You’ve come a long way. Have a break. Lame video-game references, once again… Rested up? Great! You’re ready for some error handling. What if you accidentally changed some files your shouldn’t have touched. No need to freak out, just use . Let’s change something in the file. Add another line of text in there, let’s say, . Go ahead, save the changes and check the . [git checkout](https://git-scm.com/docs/git-checkout) pineapple.txt “Steve is mega-awesome!” git status On branch masterYour branch is up-to-date with 'origin/master'.Changes not staged for commit:(use "git add <file>..." to update what will be committed)(use "git checkout -- <file>..." to discard changes in working directory) modified:   pineapple.txt no changes added to commit (use "git add" and/or "git commit -a") As expected it has been registered as a change. But what if Steve really isn’t that mega-awesome? What if Steve is mega-lame? Worry not! The simplest way to revert the changes is to run: git checkout -- pineapple.txt Now you will see the file has been returned to it’s previous state. But what if you really mess up. I mean like majorly mess things up, and need to reset everything back to the state the is in. No need to worry, during emergencies like this we have this beauty: origin git reset --hard The command with the flag discards all changes since the last commit. Pretty handy sometimes. Git reset --hard To wrap up, I’d like to encourage you to play around with Git as much as possible. It’s by far the best way of learning how to use it with confidence. Apart from that, make a habit of reading the Git documentation. As confusing as it may seem at first, after a few moments of reading you will get the hang of it. Hope you guys and girls had as much fun reading this article as I had writing it. Feel free to share if you believe it will be of help to someone, or if you liked it, click the 💚 below so other people will see this here on Medium.

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