Git commands cheat sheet
2022-02-27 12:55:55 #Git

Handbook

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# Initialize a new git repository:
git init

# Set configuration values for your settings:
git config --global user.name <your-name>
git config --global user.email <your-email>
git config --global init.defaultBranch main

# Clone a repository:
git clone <repository-url>

# Add a file to the staging area:
git add <file>

# Add all files changes to the staging area:
git add

# Check the unstaged changes:
git diff

# Commit the staged changes:
git commit -m "Message"
git commit --amend --no-edit

# Reset staging area to the last commit:
git reset

# Check the state of the working directory and the staging area:
git status

# Remove a file from the index and working directory:
git rm <file>

# List the commit history:
git log

# Show changelog with graph
git log --graph

# Check the metadata and content changes of the commit:
git show <commit-hash>

# Lists all local and remote branches:
git branch -a

# Create a new branch:
git branch <branch-name>

# Rename the current branch:
git branch -m <new-branch-name>

# Delete a branch:
git branch -d <branch-name>

# Switch to another branch:
git checkout <branch-name>

# Create and switch to a new branch
git checkout -b <branch-name>

# Merge specified branch into the current branch:
git merge <branch-name>

# Create a new connection to a remote repository:
git remote add <name> <repository-url>

# Push the committed changes to a remote repository:
git push <remote> <branch>

# Download the content from a remote repository:
git pull <remote>

# Cleanup unnecessary files and optimize the local repository:
git gc

# Temporarily remove uncommitted changes and save them for later use:
git stash

# Reapply previously stashed changes
git stash apply

# Fetch all remote branches, delete branch if upstream is gone
git fetch --all --prune

Use Git like a pro.

Use Git like a pro.

Errors

Fix “ssh: connect to host github.com port 22: Connection timed out”

try to create or update ~/.ssh/config as followed:

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Host github.com
 Hostname ssh.github.com
 Port 443

Then, run the command ssh -T git@github.com to confirm if the issue is fixed.

Cannot fetch all remote branchs

try to open your git config by git config -e (--global), and then modify relevant configuration:

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[remote "origin"]
    url = https://git.example.com/example.git (you can omit this URL)
    fetch = +refs/heads/*:refs/remotes/origin/*

after that, you can run git fetch --all.

Generate or apply patch file

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# Creating a patch from unstaged changes
git diff > changes.patch  
# Creating a patch from staged changes
git diff --cached > changes.patch  
# Creating a patch between two commits
git diff commit1 commit2 > changes.patch

# Apply the changes specified in changes.patch to your current working directory.
git apply changes.patch
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2022-02-27 12:55:55 #Git
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