set -eu

if test "$#" -gt 0; then

object_format=$1

ref_format=${2:-files}

branch=${3:-master}

bare=${4:-false}

set --

if test "$bare" = true; then set -- --bare; fi

git init --object-format="$object_format" --ref-format="$ref_format" \

--initial-branch="$branch" "$@" repo