Simple vendoring helper for Golang.

vget.sh

# vget is a simiple vendoring helper for golang.
# Example:
#   vget.sh https://github.com/lib/pq dev
# will clone repository to ./vendor/github.com/lib/pq, check out `dev` and remove .git directory.

[ $# -eq 0 ] && echo 'Usage:\n\t vget <git_repo_clone_url> [git_ref]'
a=$1
p=vendor/${a:8}
if [ ! -d $p ] || [ ! -d "$p/.git" ]; then
  echo 'Clone...'
  rm -rf $p > /dev/null 2>&1
  git clone $a $p > /dev/null 2>&1
fi
_pwd=`pwd`
if [ $# -eq 2 ]; then
  echo "Check out $2"
  cd $p && git checkout $2 > /dev/null 2>&1
  if [ $? -ne 0 ]; then
    echo "git checkout FAILED. Rerun vget with correct git ref or go to $p, checkout manually and delete .git"
    cd $_pwd
    return 1
  fi
fi
cd $_pwd
echo 'Remove .git'
rm -rf "$p/.git"
echo 'Done.'