#git learn demo

1. git init
2. git add fileOR.(mean all file)
3. git commit
4. git status
5. git diff file
6. git log (--graph can see branch)
7. git reset HEAD^(^'s number mean how many version you reset) OR commit id
8. git reflog (commed history)
9. git checkout -- file (reset all change)
10. git reset HEAD file(reset all chage after add)
11. git rm file (delete file)
12. git remote add origin address
13. git push -u origin master (the first push use -u)
14. git clone address
15. git checkout -b dev (equal git branch dev;git checkout dev )
16. git merge master (merge dev in master)
17. git merge master --no-ff -m "commit content" dev(merge forbid fast forward )
18. git branch -d dev(delete dev branch use -D dev can delete unmerge branch)
19. git stash (save this branch add version return to last commit)
20. git stash list
21. git stash pop (equals git stash apply ; git stash drop)
22. git remote -v (show remote git address)
23. git push origin master
24. git pull