My git config

.gitconfig

[color]
	ui = auto
[color "diff"]
	meta = yellow bold
	frag = magenta bold
	old = red bold
	new = green bold
	whitespace = red reverse
[core]
	whitespace=fix,-indent-with-non-tab,-indent-with-tab,trailing-space,cr-at-eol
	editor = mcedit
	preloadindex = true
	autocrlf = false
	safecrlf = false
	ignorecase = false
	excludesfile = ~/.gitignore
[push]
	default = tracking
[diff]
	renames = copies
[alias]
	b = branch
	ba = branch -a
	co = checkout
	ci = commit
	df = !git diff --no-prefix && git diff --staged --no-prefix
	cl = reset --hard
	st = status -uno
	l = log --pretty=oneline --abbrev-commit
	diffup = !git log --oneline --reverse @{u}... && git diff 8.x... > $1 && git diff @{u} > interdiff.txt && echo
[apply]
	whitespace = nowarn
[branch]
	autosetuprebase = always
[grep]
	lineNumber = true
[merge]
	defaultToUpstream = 1
[user]
	name = Andy Postnikov
[credential]
	helper = cache --timeout=3600

https://help.github.com/articles/ignoring-files/#create-a-global-gitignore