$ mkdir learngit

Jacob@kongy MINGW64 /e/gittest
$ cd learngit

Jacob@kongy MINGW64 /e/gittest/learngit
$ pwd
/e/gittest/learngit

Jacob@kongy MINGW64 /e/gittest/learngit
$ git init
Initialized empty Git repository in E:/gittest/learngit/.git/

Jacob@kongy MINGW64 /e/gittest/learngit (master)
$ ls -ah
./  ../  .git/

Jacob@kongy MINGW64 /e/gittest/learngit (master)
$ git add readme.txt
fatal: pathspec 'readme.txt' did not match any files

Jacob@kongy MINGW64 /e/gittest/learngit (master)
$

git status

git branch dev
git checkout dev 
Creating a new branch is quick AND simple 解决冲突 bug
--no-f
bug分支