Cheat Sheet #1: Git Commands

CREATE

Clone an existing repository

$ git clone <url>

Create a new local repository

$ git init

LOCAL CHANGES

Changed files in working directory

$ git status

Changed to tracked files

$ git diff

Add all current changes to the next commit

$ git add .

Add some changes in (file) to the next commit

$ git add -p <file>

Commit all local changes in tracked files

$ git commit -a

Commit previously staged changes

$ git commit

Change the last commit

$ git commit --amend

COMMIT HISTORY

Show all commits, starting with the newest

$ git log

Show changes over time for a specific file

$ git log -p <file>

Who changed what and when in <file>

$ git blame <file>

BRANCHES & TAGS

List all existing branches

$ git branch

Switch HEAD branch

$ git checkout <branch>

Create a new branch based on your current HEAD

$ git branch <new-branch>

Creat a new tracking branch based on a remote branch

$ git branch --track <new-branch> <remote-branch>

Delete a local branch

$ git branch -d <branch>

Mark the current commit with a tag

$ git tag <tag-name>

UPDATE & PUBLISH

List all currently configured remotes

$ git remote -v

Show information about a remote

$ git remote show <remote>

Add new remote repository, named <remote>

$ git remote add <remote> <url>

Download all changes from <remote>, but don't integrate into HEAD

$ git fetch <remote>

Download changes and directly merge/integrate into HEAD

$ git pull <remote> <branch>

Publish local changes on a remote

$ git push <remote> <branch>

Delete a branch on the remote

$ git push <remote> :<branch>

Publish your tags

$ git push --tags

MERGE & RELEASE

Merge <branch> into your current HEAD

$ git merge <branch>

Rebase your current HEAD onto <branch>

$ git rebase <branch>

Abort a rebase

$ git rebase --abort

Continue a rebase after resolving conflicts

$ git rebase --continue

Use your configured merge tool to solve conflicts

$ git mergetool

Use your editor to manually solve conflicts and (after resolving) mark file as resolved

$ git add <resolved-file>

$ git rm <resolved-file>

UNDO

Discard all local changes in your working directory

$ git reset --hard HEAD

Discard local changes in a specific file

$ git checkout HEAD <file>

Revert a commit (by producing a new commit with contrary changes)

$ git revert <commit>

Reset your HEAD pointer to a previous commit ...and discard all changes since then

$ git reset --hard <commit>

...and preserve all changes as unstaged changes

$ git git reset <commit>

...and preserve uncommitted lcoal changes

$ git reset --keep <commit>

GETTING HELP & DOCUMENTATION

Get help on the command line

$ git help <command>

BEST PRACTICES

  • Commit related changes with small commits
  • Test code before commit
  • Use branches
  • Commit often
  • Write good commit messages
  • Test code before commit
  • Don't commit half-done work
  • Write good commit messages
  • Use branches
  • Agree on a common workflow
  • Version control is not a backup system