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Using Git and GitHub with R

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  1. Welcome, Logistics, Course Materials, and Additional Resources
  2. Introduction to Git and GitHub
    What is Git? What is GitHub?
  3. Why Should You Learn to Use Git and GitHub?
  4. Update Everything
  5. Git
    Install Git
  6. Configure Git
  7. Create a Local Git Repository
  8. Commits
  9. Commit History
  10. GitHub
    GitHub Repositories
  11. Connect RStudio and GitHub
  12. Push an RStudio Project to a GitHub Repository
  13. Pull a GitHub Repository to an RStudio Project
  14. Keep RStudio and GitHub in Sync
  15. Collaborating with Git and GitHub
    Why Use GitHub vs Dropbox, Google Drive, Box, etc?
  16. Dealing with Common Problems: Can't Pull Code from GitHub
  17. Dealing with Common Problems: Merge Conflicts
  18. Dealing with Common Problems: Can't Push Code to GitHub
  19. Let's Keep Bad Things from Happening in the First Place
  20. Branches
    What are Branches and Why Should We Use Them?
  21. Branch Names
  22. How to Create Branches
  23. Using Pull Requests to Merge a Branch Into Main
  24. Project Management with GitHub
    GitHub Issues
  25. How to Organize Issues
  26. Wrapping Up
    Other Cool Stuff You Can Do with GitHub
Using Git and GitHub with R Commit History
Lesson 9 of 26
In Progress

Commit History

Your Turn
  1. Add some additional text to your README.md
  2. Commit your changes (make sure to stage your README.md file and add a commit message)
  3. View the history of your repository
  4. Make sure you understand the commit history (top section) and the diff (bottom section)
  5. View your README.md at a previous commit by clicking on “View file …”

Have any questions? Put them below and we will help you out!

  1. Lina Khan October 19, 2021

    Hi David, for some reason when I create the README file and then change/add the text and hit ‘commit’ again, my README file isn’t there to stage. I’ve tried deleting the local-first project, creating a new one and starting over, and I get the same issue.

      1. Lina Khan October 19, 2021

        I did try, and I saw it and was able to hit commit and ‘stage’ it with a comment. But later when I wanted to add more text and hit commit again to continue testing it out, it was gone again from being able to stage.

  2. Amanda Varley October 20, 2021

    Hi David! I’m getting an error when I try to run a commit. I was able to do it previously but today it’s not working. I have restarted R and gone through Configure Git, Create a Local Git Repository, and Commits again and am still having the same error.
    “On branch master
    Changes not staged for commit:
    (use “git add …” to update what will be committed)
    (use “git restore …” to discard changes in working directory)
    modified: README.md

    Untracked files:
    (use “git add …” to include in what will be committed)
    setting-up-github.Rmd

    no changes added to commit (use “git add” and/or “git commit -a”)”

    2 Questions:
    1) What should I do with this error?
    2) I noticed that I saved the .md file before committing, and have run at least 3-4 commits, but will only see the original file I uploaded and the most recent commit, not any of the commits in between. How can I make the interim commits display too?

    1. Amanda Varley October 20, 2021

      I got to Office Hours with Charlie – I forgot to tick the box next to the “README” file I was trying to stage 🙂 All good now but posting in case anyone else is having this issue too.