1. git init → Initializes a new Git repository in the current directory.
2. git add . → Stages all changes (new, modified, or deleted files) for the next commit.
3. git branch -m main → Renames the current branch to “main.”
4. git remote add origin [https://github.com/user/user-repo.git] → Links the local repository to a remote repository at the specified URL.
5. git remote -v → Displays the remote repositories linked to the local repo with their fetch and push URLs.
6. git push -u origin main → Pushes the main branch to the remote “origin” and sets it as the default upstream branch for future pushes.

git branching

• git branch [name] → Creates a new branch with the specified name.
• git branch → Lists all branches in the repository, highlighting the current branch.
• git checkout [branch_name] → Switches to the specified branch.
• git branch -d [branch_name] → Deletes the specified branch (if fully merged).
• git checkout -b [branch_name] → Creates a new branch with the specified name and switches to it.

Steps for Open Source Collaboration

1. Fork the Repository

• Go to the GitHub repository.
• Fork the repository.
• Create your forked repository.
• Copy the main branch only.
• Hit the Create Fork button.
• Done~

2. Clone the Forked Repo

• Go to the repository you forked.
• Copy the git_link.
• Clone the repository to your local folder using git clone <git_link>.

3. Create a New Branch

• git branch → See all branches in your current repo.
• git branch [branch_name] → Create a new branch in your repo.
• git checkout [branch_name] → Switch to another branch.
• git checkout -b [branch_name] → Create a new branch and switch to it.
• git branch -d [branch_name] → Delete a branch.

4. Make a Pull Request

• Make changes in your branch.
• Stage and commit changes:

git add .  
git commit -m "Your changes description"

• Push your branch to your forked repo:

git push origin [branch_name]

• Go to the original repository on GitHub.
• Click Compare & Pull Request.
• Write a brief description of your changes and submit the pull request.
• Done! 🎉

Random Commands

1. git log → Displays the commit history with details like author, date, and commit message.
2. git log —oneline → Shows the commit history in a condensed, single-line format per commit.
3. git reset [commit_id] —hard → Resets the repository to the specified commit, discarding all changes after it.
4. git push -f → Force-pushes changes to the remote repository, overwriting the existing history.
5. git revert [commit_id] → Creates a new commit that undoes the changes introduced by the specified commit.