Version Control with Git (Udacity)

Oh no! Was a mistake made along the way? Learn how to edit commits, revert changes, or even delete commits.
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What You Will Learn

Lesson 1
Purpose & Terminology

• Learn why developers use version control and discover ways you use version control in your daily life
• Get an overview of essential Git vocabulary
• Configure Git using the command line

Lesson 2
Create a Git Repo

• Create your first Git repository with git init
• Copy an existing Git repository with git clone
• Review the current state of a repository with the powerful git status

Lesson 3
Review a Repo's History

• Review a repo's commit history git log
• Customize git log's output using command line flags in order to reveal more (or less) information about each commit
• Use the git show command to display just one commit

Lesson 4
Add Commits to a Repo

• Master the Git workflow and make commits to an example project
• Use git diff to identify what parts of a file have been changed in a commit
• Learn how to mark files as "untracked" using .gitignore

Lesson 5
Tagging, Branching, and Merging

• Organize your commits with tags and branches
• Jump to particular tags and branches using git checkout
• Learn how to merge together changes on different branches and crush those pesky merge conflicts

Lesson 6
Undoing Changes

• Learn how and when to edit or delete an existing commit
• Use git commit's --amend flag to alter the last commit
• Use git reset and git revert to undo and erase commits