git start https://itsfoss.com/install-git-ubuntu/

install

sudo apt install git
git --version
#如果太老就用ppa
sudo add-apt-repository ppa:git-core/ppa
sudo apt update
sudo apt install git

更新用户名,邮箱

git config --global user.email "you@example.com"
git config --global user.name "Your Name"
git config --list

也可查看~/.gitconfig

新建本地git文件夹

git init -b main
git add .
git commit -m "First commit"

新建远程repo

gh(GitHub CLI)

#prompt一步步操作
gh repo create	or|
gh repo create --source=. --private --remote origin --push

传统方法

# copy the remote repository URL from github website.
git remote add origin  <REMOTE_URL> 
# Sets the new remote
git remote -v
# Verifies the new remote URL
git push origin main

撤销

#本地修改
git restore run.py
#当前add (staged file)
git restore --staged run.py	or |
git reset HEAD run.py
#当前commit 
git reset --soft HEAD~1	or |
git reset --soft 070b

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