Session 3: First steps with Git

Track, organize and share your work: An introduction to Git for psychological research

Course at University of Hamburg

Slides | Source

Dr. Lennart Wittkuhn

lennart.wittkuhn@uni-hamburg.de

Konrad Pagenstedt

konrad.pagenstedt@uni-hamburg.de

April 22 2024 (12:15 pm)

Schedule

No	Date	Title	Contents	Reading	Survey/Quiz
1	2024-04-08	Introduction to version control	Organisational matters Overview of seminar sessions Introduction to version control Introduction to Git and its advantages	Intro to version control	Course introduction Survey
2	2024-04-15	Command line	File Systems Benefits of the Command Line Basic Command Line commands	Command Line	Command Line Quiz
3	2024-04-22	Setup + Git Fundamentals	Installation and configuration of Git Initializing a Git repository Basic Git commands	Installation, Setup, First steps with Git	Installation Survey, Git Basics Quiz
4	2024-04-29	Basic Git workflow	Practicing basic Git commands Ignoring files with .gitignore Good commit messages	First steps with Git	Git Basics Quiz
5	2024-05-06	Git Branching and Merging	Understanding branches in Git Creating and switching between branches Merging branches Resolving merge conflicts	Branches	Git Branches Quiz
6	2024-05-13	Quarto Workshop	Introduction to Quarto
7	2024-05-20	Whit Monday	Cancelled
8	2024-05-27	Introduction to GitHub	Introduction to remote repositories Creating a GitHub account Creating and managing repositories on GitHub Pushing and pulling changes	GitHub Intro	GitHub Quiz
9	2024-06-03	GitHub with collaborators	Cloning a remote repository Branching and merging in a collaborative environment Pull Requests GitHub Issues Graphical User Interfaces (GUIs), e.g., GitKraken	GitHub Intro, GitHub Issues	GitHub Quiz
10	2024-06-10	GitHub with the world	Forking a remote repository README files Project Management	GitHub Intro, GitHub Issues	GitHub Quiz
11	2024-06-17	Repetition and Practice	Repetition and Practice
12	2024-06-24	Publishing	Creating Tags with Git Creating Releases with GitHub Using Zenodo for scientific publishing Licences Citation Files	Tags and Releases
13	2024-07-01	Graphical User Interfaces (cancelled)	Repetition and Practice Introduction to using GUIs	Graphical User Interfaces
14	2024-07-08	Summary & Wrap-Up	Course evaluation Repetition and Practice Introduction to using GUIs	Graphical User Interfaces

1 Last week: The command line

Last week: The command line

Source: Wikimedia Commons (free license)

Last week’s learning objectives

After the last session, you should now be able to answer the following questions / do the following:

💡 You can navigate directories using the command line
💡 You can use shortcuts like the tilde or dots to navigate your file system
💡 You can explain the difference between absolute and relative paths
💡 You can use arguments and flags to modify command-line commands
💡 You understand the concept of wild cards (*) and can use it for system navigation

`recipes` project

At the end of last week’s session, you should have accomplished the following:

You used the command line to create a folder on your computer called recipes.
You used the command line to create a file called recipes.txt inside the recipes folder.

Please keep the recipes folder! We will continue to use it in the following sessions.

Command Line Quiz Results

2 This week: First steps with Git

Today’s chapter

lennartwittkuhn.com/version-control-book/chapters/first-steps-git.html

This and next week’s learning objectives

Setup

💡 You know how to set up Git for the first time
💡 You have set up Git on your computer
💡 You understand the difference between the three Git configuration levels
💡 You know how to configure your username and email address in Git
💡 You have set up your preferred text editor when working with Git
💡 You can escape the command-line text editor Vim

First steps with Git

💡 You can initialize a Git repository
💡 You can stage and commit changes
💡 You know how to explore the commit history
💡 You can compare different commits
💡 You know how to use and create a .gitignore file
💡 You can discuss which files can (not) be tracked well with Git and why
💡 You know how to track empty folders in Git repositories

Note: These are the learning objectives for this and next week.

Your turn

Content Review: Read the chapters “Setup” and “First steps with Git” in the Version Control Book
Implementation: Try out the commands in the chapter! Play around! Have fun!
Note: We will do the implementation exercises in class together, step-by-step.

Ask questions!

Let’s git started!

Implementation exercises

📝 Set your Git username and email address.
📝 Change the default name of the initial “branch”.
🚀 Optional: Change your default text editor.

📝 Setup: Create a recipes folder and turn it into a Git repository.
📝 Add Content: Write down a short recipe (any favorite or an intriguing AI-generated one) in recipes.txt.
📝 Save Changes: Stage and commit your changes to the repository.

Note: There are several terms in these instructions that might still be unfamiliar to you, for example “repository”, “stage” or “commit”. Don’t worry, you will learn about what these terms mean in the chapters.