Git Cheat Sheet

Git is an open-source version control system that works locally to help developers work together on software projects that matter.

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Git is an open-source version control system that works locally to help developers work together on software projects that matter. This cheat sheet provides a quick reference to commands that are useful for working and collaborating in a Git repository (repo).


Initializing

Starting up Git within a project and getting it connected.

git init
Initializes (or starts) your current working directory (folder) as a Git
repository (repo).

git clone https://www.github.com/username/repo-name
Copies an existing Git repo hosted remotely.

git remote or git remote -v
Shows your current Git directory’s remote repo. Use the -v flag for
more info.

git remote add upstream https://www.github.com/username/repo-name
Adds the Git upstream to a URL


Staging

Creating files staged after modifying a file and marking it ready to go in the next commit.

git status
Checks the status of your Git repo, including files added that are
not staged.

git add . git or add my_script.js
Stages modified files. If you make changes that you want included
in the next commit, you can run add again. Use git add . for all
files to be staged, or specify specific files by name.

git reset my_script.js
Removes a file from staging while retaining changes within your
working directory.


Committing

Recording changes made to the repo.

git commit -m "Commit message"
Commits staged files with a meaningful commit message so that
you and others can track commits.

git commit -am "Commit message"
Condenses all tracked files by committing them in one step.

git commit --amend -m "An updated commit message"
Modifies your commit message.


Branching

Isolating work and managing feature development in one place.

git branch
Lists all current branches. An asterisk ( ) will appear next to your
currently active branch.

git branch new-branch
Creates a new branch. You will remain on your currently active
branch until you switch to the new one.

git checkout another-branch
Switches to any existing branch and checks it out into your
current working directory.

git checkout -b new-branch
Consolidates the creation and checkout of a new branch.

git branch -d branch-name
Deletes a branch.


Collaborating and Sharing

Downloading changes from another repository or sharing changes with the larger codebase.

git push origin main
Pushes or sends your local branch commits to the remote repo.
Note: some repos use master instead of main in their commands.

git pull
Fetches and merges any commits from the tracking remote
branch.

git merge upstream/main
Merges the fetched commits


Showing Changes

See changes between commits, branches, and more.

git diff --staged
Compares modified files that are in the staging area.

git diff a-branch..b-branch
Displays the diff of what is in a-branch but is not in b-branch .

git diff 61ce3e6..e221d9c
Uses commit id to show the diff between two specific commits.


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