--- title: Git and GitHub type: slides order: 1 --- # Automated Version Control What is version control and why should I use it? Note: - Git all set up? - SSH working? - Otherwise: breakout room ===

“Piled Higher and Deeper” by Jorge Cham, http://www.phdcomics.com === ## Documents are...

a series of changes

=== ## Collaboration

independent changes

can be merged

=== ## Version Control: Key Points - Version control is track changes on steroids. - Version control is like an unlimited **undo**. - Version control also allows many people to work in parallel. === ## The Holy Realms of Git

workspace 📂

Your filesystem

index 🕒
- Staging area
- Files wait patiently to be committed
local repository 🗂️
- Contains branches, commits, history, etc.

Which commit message should I choose?

“Changes”

“Added line ‘This project started as a joke’ to myfile.txt”

“Discuss origin of the project”

Make it short, descriptive, and imperative 🐺

So yeah, the last one is good! 🐺

Which command saves myfile.txt to my Git repo?


    $ git commit -m "my recent changes"


    $ git init myfile.txt
    $ git commit -m "my recent changes"


    $ git add myfile.txt
    $ git commit -m "my recent changes"


    $ git commit -m myfile.txt "my recent changes"

3. adds your file to the index, and then commits it. That's the one. 🐺

Contributing to this lesson