Git Version Control Cookbook

How to do it...

First, we'll try to undo the latest commit in the repository as though it never happened:

1. We'll make sure that our working directory is clean, no files are in the modified state, and nothing is added to the index:

$ git status 
On branch master 
Your branch is up-to-date with 'origin/master'. 

nothing to commit, working directory clean 

2. Also, check what is in our working tree:

$ ls 
HelloWorld.java Makefile        hello_world.c 

3. If all works well, we'll check the log to see the history of the repository. We'll use the --oneline switch to limit the output:

$ git log --oneline 
3061dc6 Adds Java version of 'hello world' 
9c7532f Fixes compiler warnings 
5b5d692 Initial commit, K&R hello world 

4. The most recent commit is the 3061dc6 ...