4 Version Control with Git

4.1 Readings

Download the Git for Windows installer.
Run the installer and follow the steps bellow:
1. Click on “Next”.
2. Click on “Next”.
3. Keep “Use Git from the Windows Command Prompt” selected and click on “Next”. If you forgot to do this, rerun the installer and select the appropriate option.
4. Click on “Next”.
5. Keep “Checkout Windows-style, commit Unix-style line endings” selected and click on “Next”.
6. Keep “Use Windows’ default console window” selected and click on “Next”.
7. Click on “Install”.
8. Click on “Finish”.
If your “HOME” environment variable is not set (or you don’t know what this is):
1. Open command prompt (Open Start Menu then type cmd and press [Enter])
2. Type the following line into the command prompt window exactly as shown: setx HOME "%USERPROFILE%"
3. Press [Enter], you should see SUCCESS: Specified value was saved.
4. Quit command prompt by typing exit then pressing [Enter]

install `git’ from your distro’s package manager.

A quick overview of Version Control
Start off by registering a github account at https://github.com
Use your github user name and email to config git. Open a Shell/Command line window from RStudio menu Tools/Shell…, and modify and run the following commands:

git config --global user.name "Liming Wang"
git config --global user.email "lmwang@gmail.com"
git config --global color.ui "auto"

Set up your git installation for use with GitHub;
Turn the RStudio project you have been working on into a git repository;
Commit it to github by following these steps: http://happygitwithr.com/existing-github-last.html.