gitコマンド
1. git init
2 . git add file
git commit -m “message"
3. git log
git log –graph –pretty=oneline –abbrev-commit
4. git reflog
5. git reset –hard HEAD^
git reset –hard ******
6. git checkout — file
git reset HAED file
7. git rm file
8. github
1) ssh-keygen -t rsa -C “your_email@example.com"
2) set github.com ssh-key
3) ssh-agent -s
4) ssh-add key
9. git remote add origin git@server-name:path/repo-name.git
10. git push -u origin master || git push origin master
11. git clone git@github.com:grushy/test.git
12 . ビューブランチ：git branch
13 git merge –no-ff -m “merge with no-ff" dev
14. git stash
15 tag