Git and GitHub Cheat Sheet

git config --global user.name "Your Name"
git config --global user.email "you@example.com"
git config --global init.defaultBranch main
git init                        # new repository here
git clone <url>                 # copy a repository

git status                      # what has changed
git add file.txt                # stage one file
git add .                       # stage everything here and below
git add -p                      # stage parts of files
git commit -m "Add login"       # commit staged changes
git commit -am "Fix title"      # stage tracked files and commit
git commit --amend              # replace the last commit

git log --oneline               # short history
git log --oneline --graph --all # all branches as a graph
git log -n 5 --author="Asha"    # filter
git log -S "text"               # commits adding or removing text
git show HEAD~1                 # one commit
git show HEAD~1:file.txt        # a file in an old commit
git diff                        # unstaged changes
git diff --staged               # what will be committed
git diff main...feature         # what a branch changed
git blame file.txt              # last change to each line

git branch                      # list
git branch -a                   # include remote branches
git switch -c feature           # create and switch
git switch main                 # switch
git switch -                    # previous branch
git branch -m new-name          # rename current
git branch -d feature           # delete merged branch
git branch -D feature           # force delete

git merge feature               # bring feature into this branch
git merge --no-ff feature       # always make a merge commit
git merge --squash feature      # combine into one staged change
git merge --abort               # cancel
git rebase main                 # replay this branch on main
git rebase --continue           # after fixing a conflict
git rebase --abort              # cancel
git rebase -i HEAD~3            # edit the last 3 commits
git cherry-pick <commit>        # copy one commit here

<<<<<<< HEAD
your version
=======
their version
>>>>>>> feature

git remote -v                       # list remotes
git remote add origin <url>         # connect a remote
git push -u origin main             # first push of a branch
git push                            # later pushes
git fetch                           # download, change nothing
git pull                            # fetch and merge
git pull --rebase                   # fetch and rebase
git push --force-with-lease         # after rebasing your own branch
git push origin --delete feature    # delete a remote branch
git fetch --prune                   # forget deleted remote branches

git stash                       # save changes
git stash -u                    # include untracked files
git stash push -m "note"        # with a message
git stash list
git stash pop                   # restore and remove
git stash apply                 # restore and keep
git stash drop

git tag -a v1.0.0 -m "Release"  # annotated tag
git tag                         # list
git push origin --tags          # push tags
git tag -d v1.0.0               # delete locally

git bisect start
git bisect bad                  # current commit is broken
git bisect good <commit>        # this one worked
git bisect run npm test         # automate it
git bisect reset                # finish

node_modules/        # a folder, anywhere
*.log                # by extension
/secret.txt          # only in the root
!keep.log            # exception