git dirtyclone

git-dirtyclone

#!/bin/bash
# Usage: git dirtyclone <url> [<dir>]

if (( $# < 1 || $# > 3 )); then
    echo 'Usage: git dirtyclone <url> [<dir>]' >&2
    exit 1
fi

url=$1
if (( $# == 2 )); then
    dir=$2
    mkdir -p "$dir" || exit 1
    cd "$dir"
fi

git init
git remote add origin "$url"
git fetch origin
head=$(git symbolic-ref --short refs/remotes/origin/HEAD)
git checkout -b "${head#origin/}" "${head}"