Git Commands

Undo previous commit
`git revert HEAD^`

Modify previous commit message
`git commit --amend`

Temporarily stash changes
`git stash`

Restore changes from stash
`git stash pop`

Delete changes in stash
`git stash drop`

Delete all stashes
`git stash clear`

Delete remote branch
`git push origin :<branchName>`

Add a remote branch
`git remote add <remoteName> <gitAddress>`

Add a new submodule
`git submodule add git@mygithost:repo path/to/dir`

Update all the submodules (externals)
`git submodule update --init --recursive`

Equivalent of svn revert, default is "HEAD"
`git reset --hard`

Show status with list modified/new/etc files
`git status -s`

Add remote to existing local rep, and track master
`git remote add --track master origin git@github.com:abc/123.git`

Show a single line log
`git log --singleline`

Rewind head to replay your work on top of it
`git rebase <branchName>`

Alter commits on current branch (interactive rebase)
`git rebase -i HEAD~<number>`