Commands.md

Description	Command	Reference
Store credentials	`git config credential.helper store`
Allow no comment on commit	`git config --global alias.nccommit 'commit -a --allow-empty-message -m ""'`	Source
Undo a commit	`git reset HEAD~`
List remotes	`git remote -v`
Change remote	`git remote set-url origin <URL>`	Reference
Append to last commit	`git commit --amend`

Fresh start

create a new repository that has the initial commit that you want

mkdir foo; cd foo; git init; ...; git commit

set up a remote

git remote add origin <url-of-remote>
git branch --set-upstream master origin/master

git fetch origin
git reset --hard origin/master

Add the remote, call it "upstream":

git remote add upstream https://github.com/whoever/whatever.git
Fetch all the branches of that remote into remote-tracking branches, such as upstream/master:

git fetch upstream
Make sure that you're on your master branch:

git checkout master
Rewrite your master branch so that any commits of yours that aren't already in upstream/master are replayed on top of that other branch:

git rebase upstream/master

Get gnupg
Script: https://raw.githubusercontent.com/git/git/master/contrib/credential/netrc/git-credential-netrc
- Arch: /usr/share/git/credential/netrc/git-credential-netrc
- Ubuntu: /usr/share/doc/git/contrib/credential/netrc/git-credential-netrc

Create a new file (preferably ~/.netrc):

machine github.com
protocol <http|https|ssh>
login <username>
password <password>

Generate a new key (if there's none already): gpg --gen-key
Encrypt the file: gpg -e -r <email> ~/.netrc
git config --global credential.helper "netrc -f ~/.netrc -v"
- git-credentials- prefix will be automatically prepended to form git-credentials-netrc
- Can add -d for debugging
- For more info, git-credentials-netrc --help