update

#!/bin/sh
# place in {repo}/.git/hooks/update
# chmod +x update
name="$1"
old="$2"
new="$3"

user_name=$(git log -1 --pretty=format:%aN $new)
#branch=$(git rev-parse --symbolic --abbrev-ref $1)
branch=${name#refs/heads/}
if [ "$branch" == "master" ] || [ "$branch" == "staging" ]
then
  if [ "$user_name" != "Kevin Luo" ]
  then
    echo "Username $user_name has no premission to commit branch [$branch]!"
    exit 43
  else
    exit 0
  fi
fi

後來想到這個 script 邏輯錯誤了
他檢查的是 commit 的 author 而不是 pusher
在一般 git 環境似乎沒辦法抓到 pusher...