Git

git howto

List remote and local branches
git branch -a

List only remote branches
git branch -r

Create new branch
git checkout -b newbranch

Create a local test branch which is tracking the remote test branch.
git branch test origin/test

Push branch to origin
git push origin newbranch

Push all branches
git push origin

Export git repo
git archive master | tar -x -C /somewhere/else

Delete a local branch
git branch -D bugfix

Locally and Remotely Renaming a Branch in Git
http://www.benjaminlhaas.com/blog/locally-and-remotely-renaming-branch-git

Splitting a subpath out into a new repo
# Clone the repo we're going to work with
git clone git://github.com/defunkt/github-gem.git
# Change directory into the repo
cd github-gem/ 
# Filter the master branch to the lib path and remove empty commits
git filter-branch --prune-empty --subdirectory-filter lib master
# Change the [remote "origin"] url property in the .git/config file to point to the new repository
emacs .git/config
# Push code to origin
git push -u origin master

# Rebasing an old commit
http://christoph.ruegg.name/blog/2010/5/5/git-howto-revert-a-commit-already-pushed-to-a-remote-reposit.html

# Add new, modified and deleted files
git add -A stages All
git add . stages new and modified, without deleted
git add -u stages modified and deleted, without new

# Delete untracked local files from your current branch
# Show what will be deleted with the -n option
git clean -f -n
# Then - beware: this will delete files - run:
git clean -f