git

  1. login: https://github.com/login?return_to=%2Fchainly
  2. new: https://github.com/new 
     # or local git init
 # user settings
 git config --global user.email "1258626769qq.com"
 git config --global user.name "chainly"
 mkdir review && cd review
 git init
 git remote add origin git@github.com:chainly/review.git
 touch README.md
 git add .
 git commit -m "init"
 git push -u origin master
  3. git update 
     # Q: fatal: Could not read from remote repository.
 # A1: ssh-keygen
 # add ssh-key.pub: https://github.com/settings/keys
 git clone git@github.com:chainly/review.git
	
 # about empty dir
 # https://stackoverflow.com/a/115992/6493535
 # https://stackoverflow.com/a/8944077/6493535
	
 git add docs
 git commit -m "add docs"
 git push
	
 # https://blog.csdn.net/weixin_35955795/article/details/54314528
 # Q: warning: push.default is unset;
 # A: matching(all) --> simple(current branch)
 git config --global push.default simple
  4. git pull 
     git pull --ff-only origin master
  5. git stash 
     # 需要暂存当前工作，在当前分支开发突增任务
 # 或 同步远程修改
 git stash save -a 'msg'  # the first one, as it use stack
 # ...
 git stash pop
 # merge or go on
  6. git reset: pass
  7. git repush: 
     # e.g. fix commitor's email
 git config --global user.email "1258626769@qq.com"
	
 # 1. 覆盖
 git reset --soft HEAD^
 #git add .
 git commit -m "repush with right user info"
	
 #**IT OVERWRITTES OR IS OVERWRITEEN BY OTHERS(NOT NOTICED!)'S COMMIT
 #USE ONLY YOU KNOW WHAT WOULD HAVE DONE
 #补救：https://www.jianshu.com/p/41cef45ef6ce
 #git reflog show --all
 #git reset --hard ${LAST HASH}**
 #**
 git push -f
	
 # 内容回退提交
 # 2. revert
 git revert --no-commit A..HEAD 
	
 # 3. reset (for all option: reset HEAD to ${HASH})
 # https://git-scm.com/docs/git-reset#git-reset-emgitresetemltmodegtltcommitgt
 # Resets the index，and working tree(here ~= undo)
 git reset --hard ${HASH}
 # all your changed files "Changes to be committed"(here ~= add undo)
 git reset --soft HEAD^
 # @TODO: maybe something wrong, but tested!
	
 # --mixed: Resets the index but not the working tree
 # https://stackoverflow.com/a/2530073/6493535
 # --merge: mixed 但保持commit间不同以及当前修改未提交的(同时满足的action.abort)
 # --keep: mixed 但保持commit间不同(此文件当前有修改action..abort)
  8. clean 
    # test
git clean -n
# force
git clean -f

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