Git_Basics

Getting started with Git and Github (the bare minimum).

Resources:

1. https://www.youtube.com/watch?v=SWYqp7iY_Tc
2. http://rogerdudler.github.io/git-guide/
3. https://services.github.com/on-demand/downloads/github-git-cheat-sheet.pdf
4. https://help.github.com/articles/git-and-github-learning-resources/

Recorded terminal sessions:

Recorded Terminal Sessions are stored as .cast files. To play 'em,

1. View these .cast videos online at asciinema.org.
2. For installing asciinema - installation(apt-get for Ubuntu).
3. Open terminal and type - asciinema play filename.cast.

Setting up git

https://help.github.com/articles/set-up-git/

Local Repo Operations

1. cd project_folder
2. git init - Initializes Local Repo and .git hidden folder appears.
3. git add ,rm --cached files - Add files to staging(git add . to add all files).
4. git status - Reports files that have modified.
5. git commit - Goes to vim,nano editor kind of mode.
         Vim - Press I for insert mode and type in commit message. Esc+:wq takes you out.
         Nano - Ctrl+X and Enter.
   
6. git commit -m "Message" -to skip all the vim,nano stages.
7. .gitignore - Folder/Document that contains files to be ignored by git in the repo.
         touch .gitignore - Open it and type all filenames which have to be ignored.

Remote Repo-github

1. Create repo in github - Try .edu accounts
2. git remote add origin 'url' - Add remote repo with 'url' being the 'Clone with HTTPS' on the repo in github.
3. git push -u origin master - To push contents from local repo to remote repo
4. git pull origin master - To reflect changes made by others contributors on your local repo.

Creating New Repo

1. Create repo in github
2. cd project_folder and git init
3. git add README.md
4. touch .gitignore and add appropriately
5. git add .
6. git commit -m "First Commit"
7. git branch -M main
8. git remote add origin https://github.com/Sharan-Sundar/Project.git
9. git push -u origin main

Branches

1. git branch branchname - To create a new branch.
2. git checkout branchname - To switch branches.
3. git merge branchname - To megre branch with master.
4. Make changes in branches and merge finally with the master branch.

Dirty Commit?

1. https://stackoverflow.com/questions/927358/how-do-i-undo-the-most-recent-local-commits-in-git
2. Reset multiple times if needed - each reset undoes one commit only.