git-command-line: A repository from nhhca

add,commit ,log ,reset

git add =>specified single file
git add . =>to add all file
git commit -m "your message" =>commit with message
git commit -a-m "your message" => the '-a' symbol only add modified or deleted tracked file,modifed or deleted file is no need more to use "git add"
git commit --amend =>change the messge you have commited
git status ==> file status
git diff ==>difference
git log ==>check history version
git log --pretty=oneline ==>pretty show
git reset --hard version id ==>reset to specified version,even is desprecated version if you still know the version id
git reflog ==>to show every command you have write (to find the version you have lost )

git checkout -- ==> give up the change of the specific file at the workspace, and if you have delete some file wrong ,you can replace the workspace contents with the local repository contents
git checkout . ==>give up all the changes at the workspace
git reset HEAD file ==> to reset the stage content to workspace
git rm ==>delete the file at the local repository
git remote add origin https://github.com/xxx/xxx.git ==> connect local repository to remote
git push -u origin master ==> push local master branch to remote first time
git push origin master ==>push local master branch to remote after first time, need to connect local branch to remote

git checkout -b dev ==> create and switch to dev branch
git branch ==> check all the branch
git brach -a ==>branch local and remote
git checkout brachName ==> switch to brachName branch, when switch branch please commit your change first
git merge dev ==>merge the dev to current branch
git merge --no-commit branchName ==> merge brachName to current brach
git branch -d dev ==>delete the dev branch,you’d better delete it after you merge to master
git branch -D branchName ==>delete forced
git push origin dev:dev_remote ==>create remote new branch(dev is your local branch)
git push origin test:master ==> push test to remote master(as master)
git push origin :test ==>delete remote test branch
git push origin --delete test ==>delete remote test branch
git checkout origin/remote_branch_name ==> checkout remote branch
git clone xxx.git "filepath" ==>specify the filepath where you want to clone
git pull origin : ==> if local branchName is nil,default to be local current branch
git pull is equal to git fetch + git merge origin branch to current
git merge --no-ff -m "merge with no-ff" dev ===>merge dev to current branch and forbid "fast forward"mode add will commit with a new message
git stash ==>save current branch working space and the work space will be clean,function to create a new branch to fix some bug,and not to commit the workspace work that not finished

git remote -v ==>check remote branch link info
git branch –r ==> check remote branch info
git branch --set-upstream branch-name origin/branch-name ==> if pull failed ,this command will connect local branch with remote appropriate branch

git tag ==> add a tag name
git tag default tag at latest commit,this will tag at specific commit
git tag -a -m "message"
git tag ==>show all tag
git show ==>see the tag info,tag is not ordered by time but charactors
git tag -d ==>delete a tag local,tag default not push to remote
git push origin :refs/tags/ ==> if tag name is push to remote ,delete local first,then delete remote
git push origin
git push origin --tags ==>push all tags once
git log --graph ==>see graphical of the branch merging