git-cheatsheet.md

Table of Contents

• Git CheatSheet for Developers
  • Changing Directory
  • Setting up Alias
  • Git Configuration
  • Getting & Creating Projects
  • Basic Commands
  • Branching & Merging
  • Sharing & Updating Projects
  • Inspection & Comparison
  • Undoing Things
  • Syncing Forks
  • Rewrite History
  • Stashing
  • Tagging
• Common Problems Resolution
  • Delete All Commits
  • Update commit
  • Update commit message
  • Undo a commit from like 5 commits ago

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Git CheatSheet for Developers

Changing Directory

Command	Description
cd	Change directory
cd ..	Change directory to parent directory
cd ~	Change directory to home directory
cd -	Change directory to previous directory
pwd	Print working directory

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Setting up Alias

Command	Description
git config --global alias.co checkout	Set co as alias for checkout
git config --global alias.br branch	Set br as alias for branch
git config --global alias.ci commit	Set ci as alias for commit

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Git Configuration

Command	Description
git config	Check all configuration options
git config --list	Check all configuration options with name and email
git clone [https://url]	Clone source code from a remote repository
git config --global user.name "Your name"	Configure username
git config --global user.email "Your email"	Configure email
git config --global core.editor vim	Configure editor

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Getting & Creating Projects

Command	Description
git init	Initialize a local Git repository
git clone [https://url]	Clone source code from a remote repository
git clone [https://url] [folder]	Clone source code from a remote repository into a specific folder
git clone --bare [https://url]	Clone source code from a remote repository without a working directory
git clone --mirror [https://url]	Clone source code from a remote repository without a working directory and without the remote repository

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Basic Commands

Command	Description
git status	Check status
git add [file]	Add file to staging area
git add .	Add all files to staging area
git add -A	Add all files to staging area
git add -u	Add all modified files to staging area
git add -p	Add all modified files to staging area interactively
git commit -m "message"	Commit changes
git commit -a	Commit all changes
git commit -am "message"	Commit all changes with message
git commit --amend	Amend last commit
git commit --amend -m "message"	Amend last commit with message
git commit --amend --no-edit	Amend last commit without changing the commit message
git commit --amend --reset-author	Amend last commit with new author
git commit --amend --no-edit --reset-author	Amend last commit with new author and without changing the commit message
git commit --amend --no-edit --date="date -R"	Amend last commit with new date
git commit --amend --no-edit --date="date -R" --reset-author	Amend last commit with new date and new author
git commit --amend --no-edit --date="date -R" --reset-author --allow-empty	Amend last commit with new date and new author and allow empty commit

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Branching & Merging

Command	Description
git branch	List all branches
git branch -a	List all branches (local and remote)
git branch -r	List all remote branches
git branch -v	List all branches with last commit on each branch
git branch -vv	List all branches with last commit and commit author on each branch
git branch -vvv	List all branches with last commit, commit author and commit message on each branch
git checkout -b [branch]	Create a new branch and switch to it
git merge [branch]	Merge a branch into the active branch
git merge [source branch] [target branch]	Merge a branch into a target branch
git branch -d [branch]	Delete a branch
git branch -D [branch]	Force delete a branch
git push origin --delete [branch]	Delete a remote branch
git branch -m [old branch] [new branch]	Rename a branch
git branch --set-upstream-to=origin/[branch] [branch]	Set a local branch's upstream branch
git branch --unset-upstream [branch]	Unset a local branch's upstream branch
git push origin [branch]	Push a branch to your remote repository

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Sharing & Updating Projects

Command	Description
git push origin [branch]	Push a branch to your remote repository
git push -u origin [branch]	Push changes to remote repository (and remember the branch)
git push	Push changes to remote repository (remembered branch)
git push origin --delete [branch]	Delete a remote branch
git push origin :[branch]	Delete a remote branch
git push origin [branch] --force	Force push changes to remote repository

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Inspection & Comparison

Command	Description
git log	View changes
git log --summary	View changes (detailed)
git log --oneline	View changes (brief)
git log --stat	View changes (detailed)
git log --patch	View changes (detailed with actual changes)
git log --graph	View changes (graphical)
git log --graph --oneline	View changes (graphical and brief)
git log --graph --oneline --all	View changes (graphical, brief and all branches)

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Undoing Things

Command	Description
git reset [file]	Unstage a file while retaining the changes in working directory
git reset --hard	Discard all local changes in your working directory
git reset --hard HEAD	Discard all local changes in your working directory
git reset --hard origin/[branch]	Discard all local changes in your working directory and get the latest version from the remote repository
git reset --hard [commit]	Discard all local changes in your working directory and get the specific commit from the remote repository
git checkout -- [file]	Discard local changes in a specific file
git checkout [branch]	Switch to a branch and discard local changes
git revert [commit]	Revert a commit
git revert [commit] --no-commit	Revert a commit without committing

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Syncing Forks

Command	Description
git remote -v	List all currently configured remote repositories
git remote add upstream [https://url]	Specify a new remote upstream repository that will be synced with the fork
git fetch upstream	Fetch the branches and their respective commits from the upstream repository. Commits to master will be stored in a local branch, upstream/master
git merge upstream/master	Merge the changes from upstream/master into your local master branch. This brings your fork's master branch into sync with the upstream repository, without losing your local changes

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Rewrite History

Command	Description
git rebase -i HEAD~[number]	Interactive rebase
git rebase -i [commit]	Interactive rebase
git rebase -i [branch]	Interactive rebase
git rebase -i [SHA1]	Interactive rebase
git rebase -i [tag]	Interactive rebase

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Stashing

Command	Description
git stash	Stash changes in a dirty working directory away
git stash save "message"	Stash changes in a dirty working directory away with a message
git stash list	List all stashed changesets
git stash show	Show the changes in the last stashed changeset
git stash show -p	Show the changes in the last stashed changeset (detailed)

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Tagging

Command	Description
git tag	List all tags
git tag -l "v1.8.5*"	List all tags matching a pattern
git tag [tag]	Annotate a tag
git tag -a [tag] -m "[message]"	Annotate a tag with a message

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Common Problems Resolution

Delete All Commit

If you want to delete all commits and keep only one commit of all the commit.

#Checkout
git checkout --orphan latest_branch
#Add all the files
git add -A
#Commit the changes
git commit -am "commit message"
#Delete the branch
git branch -D main
#Rename the current branch to main
git branch -m main
#Force update your repository
git push -f origin main

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Update Commit

If you have commited and realized that there is small change needed.

#make your change then,
git add . # or add individual files
git commit --amend --no-edit
# now your last commit contains that change!

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Update commit message

If you want to update previous commit message.

git commit --amend
# follow prompts to change the commit message

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Undo a commit from like 5 commits ago

Turns out you don't have to track down and copy-paste the old file contents into the existing file in order to undo changes! If you committed a bug, you can undo the commit all in one go with revert.

# find the commit you need to undo
git log
# use the arrow keys to scroll up and down in history
# once you've found your commit, save the hash
git revert [saved hash]
# git will create a new commit that undoes that commit
# follow prompts to edit the commit message
# or just save and commit

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