My gitconfig file

.gitconfig

[user]
  name = "name"
  email = "mail"

[core]
  excludesfile = /path/to/.gitignore_global
  editor = /usr/bin/vim

[difftool "sourcetree"]
  cmd = opendiff "$LOCAL" "$REMOTE"
  trustExitCode = true

[filter "media"]
  clean = git-media-clean %f
  smudge = git-media-smudge %f

[push]
  default = simple

[alias]
  #############
  b = branch
  ba = branch -a
  bd = branch -d
  br = branch -r

  #############
  aa = add --all

  #############
  rb = rebase

  #############
  co = checkout

  #############
  l = log --oneline
  lp = log --pretty=oneline
  lg = log --oneline --graph --decorate
  lga = log --oneline --graph --decorate --all

  #############
  c = commit
  ca = commit -a
  cm = commit -m
  cam = commit -am

  #############
  ls = ls-files
  lsf = "!git ls-files | grep -i"

  #############
  ps = push

  #############
  pl = pull

  #############
  s = status
  sb = status -s -b

  #############
  rh = reset --hard
  rhh = reset --hard HEAD

[color]
  ui = true

[color "branch"]
  current = yellow bold
  local = green bold
  remote = cyan bold

[color "diff"]
  meta = yellow reverse
  frag = magenta
  old = red
  new = green
  whitespace = red reverse

[color "status"]
  added = green
  changed = yellow black reverse
  untracked = red

[mergetool "sourcetree"]
  cmd = /Applications/SourceTree.app/Contents/Resources/opendiff-w.sh "$LOCAL" "$REMOTE" -ancestor "$BASE" -merge "$MERGED"
  trustExitCode = true

[commit]
  template = ~/.gitmessage