Show the last n git commits in single-line format

git-last

#!/bin/bash
# git-last 
# 
# Shows the last n commits in one line format. 
# 
# msnider$ git last 2
# msnider$ 5c95c39 Refactor foo()
# msnider$ 9875103 Bump version to 1.3

re='^[0-9]+$'
if ! [[ $1 =~ $re ]] ; then
   echo "error: argument to git-last must be a number" >&2; exit 1
else
   git log --oneline --max-count=$1
fi