My gitconfig file

.gitconfig

[user]
	name = Karlos Zafra
	email = [email protected]

[alias]
    amend = !git log -n 1 --pretty=tformat:%s%n%n%b | git commit -F - --amend
    br = branch
    co = checkout
    cob = checkout -b
    continue = rebase --continue
    drop = !git stash save --keep-index --include-untracked && git stash drop
    l = "!source ~/.githelpers && pretty_git_log"
    lg = log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit --date=relative
    df = diff
    commit = ci

    #fast commits
    x  = commit -m
    xa = commit -a -m
    a = add
    master = checkout master
    alias = !git config --list | grep 'alias\\.' | sed 's/alias\\.\\([^=]*\\)=\\(.*\\)/\\1\\t=> \\2/' | sort
    st = status
    pop = stash pop

add user