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Overview of github
This document provides an overview of using GitHub for version control. It outlines the basic steps to install Git locally, create a GitHub profile, initialize and connect a repository, add and commit files, create branches, and push changes. The key points covered are setting up Git, initializing a project repository, staging and committing files, pushing commits to GitHub, and branching to allow for separate lines of development.
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Overview of github
- 1. OVERVIEW OF GITHUB BySangeetha Subramani Software Specialist
- 2. TABLE OF CONTENTS Introduction InstallGit and Create Profile in Github website Starting a Fresh Project Creating Repository Using Repository in Git Checking Repository created in local Adding File in Git Change Script File and Save Modified File in Local Push Data/Code Basic Command to display changes made Creating Branches GITHUB OVERVIEW 2
- 3. Introduction Git isa version control software application created by Linus Torvalds (the creator of Linux) with the collaboration of many other developers. A version control application keeps track of all the changes that you do in the files of your project. Every time you make changes to files of a project, you can push those changes to a repository. Other developers can pull your changes from the repository and continue to work with the improvements that you added to the project files. This document is useful for those who has zero knowledge on Git. You can have a look at basic git commands here in this document. GITHUB OVERVIEW 3
- 4. Install Gitfrom http://gitforwindows.org/ Open command prompt and run “cmd” Enter the command “git version”. User should be able to view the version of git installed GITHUB OVERVIEW 4 Install Git and Create Profile in Github website
- 5. Creating Git Profile Create Git profile by login to the below website https://github.com/login Your page will look like this. Click on “Your Profile” to check for your repository. We will see this screenshot once we create repository GITHUB OVERVIEW 5
- 6. Fresh Project Createproject folder in local PC and open this path in command prompt Run “git init” in the command prompt “.git” file is created locally. GITHUB OVERVIEW 6
- 7. Continued.. The “.git”file consist of config and other files which are mentioned below in the attachment. GITHUB OVERVIEW 7
- 8. Creating Repository Loginto github webpage and click on “New” button to create New repository. Provide Repository name eg “Basic_Program” Description(Optional): Basics Select Public radio button(Access to public). Selecting Public or Private radio button is user specific. User can select Private also. GITHUB OVERVIEW 8
- 9. Continued.. Finally clickon “Create Repository” button. GITHUB OVERVIEW 9
- 10. Continued… URL iscreated based on our inputs while creating repository. once the repository is created, Copy the url. Here I have shown my newly created url for https selection. GITHUB OVERVIEW 10
- 11. Using Repository inGit Once the url is copied, navigate to command prompt type git clone and paste url Eg: “ git clone https://github.com/sangeethas1989/Basic_Progr am.git” GITHUB OVERVIEW 11
- 12. Checking the repositorycreated in local Basic_Program file is created under specified path. User can check by providing “git status” command in command prompt to know the status of what is happening. GITHUB OVERVIEW 12
- 13. Checking the status I am just checking the current status here with the command “git status” . Attached screenshot for the status. GITHUB OVERVIEW 13
- 14. Adding file inGit I have added python code/script file under my folder “Basic_Program” locally as shown below. Use below command to move to github. “git add helloworld.py” OR You can specify file path of helloworld.py Eg “git add FiePathOfHelloworldFile” GITHUB OVERVIEW 14
- 15. Continued… NOTE: Use belowcommand if you have multiple file to be added. “git add .” I have attached screenshot of command prompt where you can view the details. GITHUB OVERVIEW 15
- 16. Continued… User cango to Git profile and check if the file is added or not. “Basic_Program is the file which has been added now. GITHUB OVERVIEW 16
- 17. Change script File& save Modified file in local User can modify the script file and can save file with the help of below command “git commit –am “FirstCommit” GITHUB OVERVIEW 17
- 18. Continued… Note: -acommits file. –am commit file along with message “git remote –v” this shows the permission of the files and origin of the file where we have to fetch and push”. GITHUB OVERVIEW 18
- 19. Push data/Code Thebelow window is displayed in Git before pushing data Enter the command “git push origin master”. This command will push data to git GITHUB OVERVIEW 19
- 20. Continued.. Window willbe displayed where it asks for user name and password for first time login. User can connect to Github with SSH keys which will automatically push code to main cod User has to enter their Github Username and password. The below window is displayed after pushing data to Git GITHUB OVERVIEW 20
- 21. Continued… Now goto Github webpage and check if the code/script file is added to the path. GITHUB OVERVIEW 21
- 22. Basic command todisplay changes made Enter this command in command prompt “git diff helloworld.py”. This will show the changes made. Note: User can provide file path in above command where I have written file name as “helloworld.py” GITHUB OVERVIEW 22
- 23. Creating Branches Usercan create branches if they don’t want to affect the changes in master code or if “N” no of users are using same master code. Here Master code will be unaffected whereas the branches have multiple different codes. Use below commands “git branch” “git checkout –b devtest” Note: devtest is the branch name which I have given. GITHUB OVERVIEW 23
- 24. Continued… Find screenshotwhere branch is created. GITHUB OVERVIEW 24
- 25. Push Data Belowcommand is used to push data “git push origin devtest” GITHUB OVERVIEW 25
- 26. Continued… Open Githubwebsite and confirm if the branch created is reflected. GITHUB OVERVIEW 26
- 27. THANK YOU For anyqueries please contact: sangeethas1989@gmail.com GITHUB OVERVIEW 27