Git presentation

whoami ??

Vikas S Yaligar

@vikasyaligar

https://github.com/vikassy

Why learn git??

To manage your Project repository

Sharing your code via github

Contributing to others code

Contents

➢ Git Introduction
➢ Git Basic Commands

➢ Git Branching & Merging

➢ Github Introduction

➢ Your app in Github

➢ How to Contribute?

Git Is
Open Source

Version control System
Tool for keeping
a history on the
Distributed Revision control state of your
source code
Source code management projects.

I'm an egotistical bastard,
and I name all my
projects after myself. First
'Linux', now 'git'

Linus Torvalds

Installation
On Linux

sudo apt-get install git
Version of git
Other systems git --version

http://git-scm.com/

Git Basic Commands
git init //initializes git

git status //prints status of current repo

git diff //prints difference made in files

git add filename //adds file name

git commit -m “Message here :P” //saved!!

git log //history

git init

Creates a .git file in current folder

Why??

Because

To tell git from where the file must be tracked !!!

git add
To add particular files/folders to commit

Examples:

git add .

git add test.c

git add somedirectory/file

How do I know which are added ?

Using git status

git status

Tells us

about untracked files and files added to commit

How do i know what are the changes?

git diff

Tells the changes made in files

git commit
git commit -m “message here”

-m => message

git commit -am “message here:P”

-a => To add the modified files and then commit

Message is compulsory !!

git log

To show all commits with messages,check sum and
many more

Checksum is always unique to each commit

Can also use gitk, a commit viewer of git

.gitignore

Tells git what to Ignore

Status & Review

✔ Git Introduction
✔ Git Basic Commands

➢ Git Branching & Merging




Git Branching & Merging
git branch //Shows all branches of currrent repo

Git creating branches

Git branch branch_name

Commit in Branch

git checkout branch_name
Goes to the branch
git add .
git commit -am “Message”

Other options

git checkout -b branch_name

Creates new branch and goes to that branch

git branch -d branch name

Deletes the given branch

Merging

git merge master branch_name

Used to merge your work with master

Oh! I have to go back to last
commit !!!

How do I do that ???

git checkout checksum_number

You will have same status as that commit's data !!

Concept:

It goes to a no branch state, one can
make edits and also commit. But then you need to
create that into new branch

Status & Review

✔ Git Introduction
✔ Git Basic Commands

✔ Git Branching & Merging




Who uses github ???

Many More !!!!

GitHub is the best way to collaborate
with others. Fork, send pull requests
and manage all your public and private
git repositories.

Git remote

A remote in Git is basically a way to tell Git where
another version of your repository is.

Then you can ask Git to fetch data from it that you
don’t have yet, or push your commits up to it (if you
have write access).

Git remote add origin https://github.com/username/project.git

Git clone

git clone new_repo_url your_name

Creates a repo by your_name

Adding upstream
git remote add upstream

https://github.com/username/rep.git

Adds remote named upstream for your current repo

Fetch

git fetch upstream

Fetches all the changes made to the original repo from
whom you have forked

Merge
Git merge upstream/master

Merges the upstream with master branch

Git pull

Directly pulls the update from the original repo to your
current working repo

There is a lot more to be learnt
Thank you !!

● Credits:
● 1)Chandramouli , 3rd year , BTech.
● 2)Tushar Makkar , 2nd year, BTech.
● 3)Pramati , 2nd year , BTech .

Git presentation

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