.gitconfig file described in: https://rightsrestricted.com/2015/02/24/gitting-the-conf-together/

.gitconfig

[user]
  name = "My actual name"
  email = myusername@example.com
[alias]
  c = commit
  ca = commit --amend
  co = checkout
  m = merge
  mff = merge --ff-only
  r = rebase
  rc = rebase --continue
  ri = rebase --interactive
  bunch = log  --oneline --graph --decorate --all
  to-origin = reset --hard HEAD@{upstream}
  to-head = reset --hard HEAD
  to-parent = reset --hard HEAD^
[color]
  branch = auto
  ui = auto
  status = auto
  interactive = auto
[core]
  excludesfile = ~/.gitignore_global
  editor = vim
  pager = less
  sequence.editor = vim
[diff]
  context = 5
  algorithm = histogram
[log]
  date = relative
  decorate = full
[pull]
  ff = only
[push]
  default = upstream