2016/01/12 start learning git: How the version is rolled back

Local version Library E:\learngit

So the Learngit folder is the workspace

Learngit folder. The git/folder is a repository: contains a staging area (stage) and a pointer to master (head)

The Master branch is unique, you can add the workspace's file git add to Staging area multiple times, and then one-time git commit commits staging area modification

####### #版本的回退其实就是head指针的指向变化, the version has been

1. Modify Readme.txt again to make 3 versions available

Version 1:wrote a Readme file

is a version control system.Git is free software.

Version 2:add distributed

is a distributed version control system.Git is free software.

Version 3:append GPL

is a distributed version control system.Git is free software distributed under the GPL.

2. Learn how to fallback from version 3 to version 2

Git log view version history

You can also use git log--pretty=oneline to briefly output

The last version is, the last version HEAD^ is HEAD^^ , of course, 100 versions of the 100 ^ are relatively easy to count, so write HEAD~100 .

git reset --hard HEAD^

2. How to fallback from version 2 to version 3

git provides a command git reflog to keep track of every single command you make.

Find the commit ID for version 3

git reset--hard commit_id

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Working area and staging area---to write

2016/01/12 start learning git: How version fallback