增加 README.md 文件。
~ $ git clone git@github.com:ychda/git-test.git
git diff
git diff HEAD
git status
new branch fix-B
修改提交信息
git commit --amend
psvm.j
$ git rebase -i HEAD~1
The last branch:
git checkout -
git checkout -b new-branch
OR
git branch new-branch
git checkout new-branch
git push --set-upstream origin feature-A
git log --graph
``