Git cheat-sheet 2021

Git Cheat Sheet
The essential Git commands every developer must know

This cheat sheet covers all of the Git commands I’ve covered in my Ultimate Git
Mastery course.
✓ Creating snapshots
✓ Browsing history
✓ Branching & merging
✓ Collaboration using Git & GitHub
✓ Rewriting history

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Table of Content
Creating Snapshots 6
Browsing History 8
Branching & Merging 10
Collaboration 12
Rewriting History 13

Creating Snapshots
Initializing a repository
git init
 
Staging files
git add file1.js # Stages a single file
git add file1.js file2.js # Stages multiple files 
git add *.js # Stages with a pattern 
git add . # Stages the current directory and all its content
Viewing the status  
git status # Full status
git status -s # Short status
 
Committing the staged files  
git commit -m “Message” # Commits with a one-line message
git commit # Opens the default editor to type a long message
Skipping the staging area  
git commit -am “Message”
Removing files 
git rm file1.js # Removes from working directory and staging area 
git rm --cached file1.js # Removes from staging area only
Renaming or moving files  
git mv file1.js file1.txt

Viewing the staged/unstaged changes  
git diff # Shows unstaged changes 
git diff --staged # Shows staged changes
git diff --cached # Same as the above
Viewing the history 
git log # Full history
git log --oneline # Summary
git log --reverse # Lists the commits from the oldest to the newest
Viewing a commit  
git show 921a2ff # Shows the given commit
git show HEAD # Shows the last commit
git show HEAD~2 # Two steps before the last commit
git show HEAD:file.js # Shows the version of file.js stored in the last commit
Unstaging files (undoing git add) 
git restore --staged file.js # Copies the last version of file.js from repo to index
Discarding local changes  
git restore file.js # Copies file.js from index to working directory
git restore file1.js file2.js # Restores multiple files in working directory
git restore . # Discards all local changes (except untracked files)
git clean -fd # Removes all untracked files
Restoring an earlier version of a file 
git restore --source=HEAD~2 file.js

Browsing History
Viewing the history
git log --stat # Shows the list of modified files
git log --patch # Shows the actual changes (patches)
Filtering the history
git log -3 # Shows the last 3 entries
git log --author=“Mosh”
git log --before=“2020-08-17”
git log --after=“one week ago”
git log --grep=“GUI” # Commits with “GUI” in their message
git log -S“GUI” # Commits with “GUI” in their patches
git log hash1..hash2 # Range of commits
git log file.txt # Commits that touched file.txt
Formatting the log output
git log --pretty=format:”%an committed %H”
Creating an alias
git config --global alias.lg “log --oneline"
Viewing a commit
git show HEAD~2
git show HEAD~2:file1.txt # Shows the version of file stored in this commit
Comparing commits
git diff HEAD~2 HEAD # Shows the changes between two commits
git diff HEAD~2 HEAD file.txt # Changes to file.txt only

Checking out a commit
git checkout dad47ed # Checks out the given commit
git checkout master # Checks out the master branch
Finding a bad commit
git bisect start
git bisect bad # Marks the current commit as a bad commit
git bisect good ca49180 # Marks the given commit as a good commit
git bisect reset # Terminates the bisect session
Finding contributors
git shortlog
Viewing the history of a file
git log file.txt # Shows the commits that touched file.txt
git log --stat file.txt # Shows statistics (the number of changes) for file.txt
git log --patch file.txt # Shows the patches (changes) applied to file.txt
Finding the author of lines
git blame file.txt # Shows the author of each line in file.txt
Tagging
git tag v1.0 # Tags the last commit as v1.0
git tag v1.0 5e7a828 # Tags an earlier commit
git tag # Lists all the tags
git tag -d v1.0 # Deletes the given tag

Branching & Merging
Managing branches
git branch bugfix # Creates a new branch called bugfix
git checkout bugfix # Switches to the bugfix branch
git switch bugfix # Same as the above
git switch -C bugfix # Creates and switches
git branch -d bugfix # Deletes the bugfix branch
Comparing branches
git log master..bugfix # Lists the commits in the bugfix branch not in master
git diff master..bugfix # Shows the summary of changes
Stashing
git stash push -m “New tax rules” # Creates a new stash
git stash list # Lists all the stashes
git stash show stash@{1} # Shows the given stash
git stash show 1 # shortcut for stash@{1}
git stash apply 1 # Applies the given stash to the working dir
git stash drop 1 # Deletes the given stash
git stash clear # Deletes all the stashes
Merging
git merge bugfix # Merges the bugfix branch into the current branch
git merge --no-ff bugfix # Creates a merge commit even if FF is possible
git merge --squash bugfix # Performs a squash merge
git merge --abort # Aborts the merge

Viewing the merged branches
git branch --merged # Shows the merged branches
git branch --no-merged # Shows the unmerged branches
Rebasing
git rebase master # Changes the base of the current branch
Cherry picking
git cherry-pick dad47ed # Applies the given commit on the current branch

Collaboration
Cloning a repository
git clone url
Syncing with remotes
git fetch origin master # Fetches master from origin
git fetch origin # Fetches all objects from origin
git fetch # Shortcut for “git fetch origin”
git pull # Fetch + merge
git push origin master # Pushes master to origin
git push # Shortcut for “git push origin master”
Sharing tags
git push origin v1.0 # Pushes tag v1.0 to origin
git push origin —delete v1.0
Sharing branches
git branch -r # Shows remote tracking branches
git branch -vv # Shows local & remote tracking branches
git push -u origin bugfix # Pushes bugfix to origin
git push -d origin bugfix # Removes bugfix from origin
Managing remotes
git remote # Shows remote repos
git remote add upstream url # Adds a new remote called upstream
git remote rm upstream # Remotes upstream

Rewriting History
Undoing commits
git reset --soft HEAD^ # Removes the last commit, keeps changed staged
git reset --mixed HEAD^ # Unstages the changes as well
git reset --hard HEAD^ # Discards local changes
Reverting commits
git revert 72856ea # Reverts the given commit
git revert HEAD~3.. # Reverts the last three commits
git revert --no-commit HEAD~3..
Recovering lost commits
git reflog # Shows the history of HEAD
git reflog show bugfix # Shows the history of bugfix pointer
Amending the last commit
git commit --amend
Interactive rebasing
git rebase -i HEAD~5

Git cheat-sheet 2021

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