Clone a Github repository into a new directory with user as prefix

git-clone-github

#!/bin/sh
# git-clone-github
# Clone a Github repository into a new directory with user as prefix
# Usage: git clone-github github-repo-url

set -e
clone_url=$1

if [[ $clone_url != https://github.com/* && $clone_url != http://github.com/* ]]
then
    echo "invalid clone url, expected github url"
    exit -1
fi

folder_separator="__"
user_project=$(sed "s|http://||g; s|https://||g; s|github.com/||g; s|.git||g;" <<< $clone_url)
clone_path=$(sed "s|/|$folder_separator|g" <<< $user_project)
git clone $clone_url $clone_path