My .gitconfig file

.gitconfig

[user]
        name = Christoph Kirsch
        email = ***
[core]
        editor = subl -w
        autocrlf = input
        safecrlf = warn
[merge]
        tool = vimdiff
[alias]
        co = checkout
        ci = commit
        st = status
        br = branch
        hist = log --pretty=format:\"%h %ad | %s%d [%an]\" --graph --date=short
        type = cat-file -t
        dump = cat-file -p