Git 初学

init a git repository related to your github account

# Navigate to your folder
cd /path/to/your/folder

# Initialize the Git repository
git init

# Configure user identity
git config user.name "AkiaHaha"
git config user.email "daniel666cqu@163.com"

# Create a README file (optional)
echo "# My Project" > README.md

clone your github repository to a new pc

#Set up the SSH key

##Generate an SSH Key
ssh-keygen -t rsa -b 4096 -C "daniel666cqu@163.com"

## start the SSH agent:
eval "$(ssh-agent -s)"

## Add Your SSH Key to the Agent
ssh-add ~/.ssh/id_rsa

##display and copy your key
cat ~/.ssh/id_ras.pub

## test the SSH conction
ssh -T git@github.com
### And then you will see a message like this:
### Hi YourUsername! You've successfully authenticated, but GitHub does not provide shell access.

add modification and push to your github storage

# Stage all files
git add .

# Commit the changes
git commit -m "Initial commit"

# Link to the remote repository (optional)
git remote add origin https://github.com/YourUsername/YourRepoName.git

# Push the changes to GitHub (if linked)
git push -u origin main

switch between branches and commit editions

## Branches

# List all branches
git branch -a

# switch to a existed branch
git check <your_branch_name>

# creat and switch to a new branch
git checkout -b <new_branch_name>

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## Commitment

#1. view the commit history
git log

# it will feedback messages like =>>>>>>>>>>>>>>>

# commit befd480326ddbdc55d729b38303e9b056502a0fa  # this is the commit hash

# Author: AkiaHaha <daniel666cqu@163.com>
# Date:   Wed Aug 14 20:07:31 2024 +0800

#     the stable version that could quat at 0.25m
#<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

#2. switch to a specified commit edition
git checkout <commit_hash>

#3.  create a new branch at current commit 
git checkout -c <new_branch_name>

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Delete branch

1. check to a different branch, forbid to delete the branch currently on

   ​git checkout <another_branch_name>​

2. delete the branch you don't need

   ​git branch -d <branch-name>​

3. force the deletion

   ​git branch -D <branch-name>​

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