git version management commands

• git init: initialize the git repository
• git add filename: add the file to the staging area
• git commit -m "description": commit the staging area information to the repository
• git status: Check the current warehouse status, that is, check whether there are no submitted file modifications
• git diff: View specific modifications
• git diff HEAD - filename: see the difference between the latest version in the workspace and the repository
• git log: view the commit log
• git log --pretty=oneline: only view modification information
• git reset –hard HEAD^: go back to the previous version (the version pointed to by HEAD is the current version)
• git reset --hard HEAD^: go back to the previous version
• git reset --hard HEAD~100: go back 100 versions up
• git reset –hard version number: used to specify a future version after the rollback version operation (the version number does not have to be written in full)
• git reset HEAD file name: undo the modification of the temporary area and put it back in the work area
• git reflog: View executed commands
• git checkout --filename: discard workspace modifications
• git rm filename: remove file from repository
• git push: push local content to remote repository
• git clone: ​​clone a local repository from a remote
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• git checkout -b branch name: create and switch to the newly created branch
• git branch branch name: create branch
• git checkout branchname: switch to branch
• git branch: view the current branch
• git merge branch name: merge a branch into the current branch
• git branch -d branch name: delete the specified branch
• git log --graph : View the branch merge graph
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