> Git Commands

> Create a new repository on the command line

git commands	Description
git init	Initialize a git project
git add	. or * means all new files
git rm —cached -	Remove all files from cache
git commit	Commit your changes to repository
git commit -a	Combined the add and commit step
git status	Check what the file changed
git diff readme.md	See the changes of readme.md
git diff v2.5 HEAD	Compare the current HEAD to v2.5

The commit you are currently on is known as the HEAD commit.

git commands	Description
git log	Show the logs(SHA)
git log --pretty=oneline	Show the logs concisely
git reflog	Get the version number(first 7 characters of the SHA)
git reset --hard HEAD^	Go back to the last version, --hard is used to reset the index and working directory
git reset --hard HEAD@{n}	Go back to the nth versions before
git reset --hard version_number	Reset to the specific version

git commands	Description
git checkout HEAD	Undo the file changes and recover the file to the HEAD

3.1 Delete commits ------------------

git commands	Description
Git glog	See commit ids
Git rebase -i commit_id	Edit the commits from HEAD to commit_id (delete line to remove commits)
Git push -f origin branch	Force push to origin branch

ssh-keygen -t rsa -C “your email” —> generate puclic/private rsa key pair

Fill anything in the title and copy the id_rsa.pub to the key text box. Then click Add Key.

git commands	Description
git remote add origin https://github.com/ztlevi/MRS.git	Add remote repository
git remote add origin git@github.com:ztlevi/MRS.git	The same.
git push -u origin/dev dev = git push -u origin dev = git push origin dev	Set upstream for git pull/status. dev branch will be created if not existed.
git checkout origin/dev –b dev	Checkout to dev branch and set upstream to origin/dev. Contain the next command
git branch -u origin/dev dev = git branch -u origin dev	dev set up to track remote branch dev from origin.

After that, use git push/git push origin master

git clone remote_location //clone_directory

Remote location can be local or online location, such as http/ssh. If there is no clone_directory, then the default directory is the root directory.

git commands	Description
git checkout -b	Create and switch to the branch created. This command equals the following two commonds git branch dev and git checkout dev
git branch (-v)	List all the branches
git branch	Create branch
git checkout	Switch branch and will automaticlly merge
git branch -d	Delete branch
git push origin -d	DeleteDelet remote branch

On master branch

git commands	Description
git merge dev	Merge dev into the master
git merge --no-ff -m “…” dev	Merge without fast forward mode
git merge origin/master	Merge into the remote origin/master branch

git commands	Description
git stash	record the current state of the working directory and the index, and go back to the clean HEAD.
git stash list	show the working directory
git stash apply	recover the working directory
git stash drop	delete the WIP(working in process)
git stash pop	equals apply + drop

git commands	Description
git remote	check the remote repository status
git remote -v	check the detailed information
git remote remove	Remove the remote
git remote rename	Rename the remote