https://github.com/kqr/gists/pull/1

.functions.sh

# .gitignore function
# Improved a little upon the original by kqr - https://github.com/kqr/gists/blob/51f63900924e483888cdd7f777177e804bfb0cca/utils/gi
function gi() {
  result=$(curl "http://www.gitignore.io/api/$1" 2>/dev/null)

  if [[ $result =~ ERROR ]]; then
    echo "Query '$1' has no match. See a list of possible queries with 'gi list'"
  elif [[ $1 = list ]]; then
    echo "$result"
  else
    if [[ -f .gitignore ]]; then
      result=`echo "$result" | grep -v "# Created by http://www.gitignore.io"`
      echo ".gitignore already exists, appending"
      echo "$result" >> .gitignore
    else
      echo "$result" > .gitignore
    fi
  fi
}