git2-clone

#!/bin/bash

# require library functions
SCRIPTPATH="$(readlink -f 2>/dev/null || perl -MCwd -e 'print Cwd::abs_path shift' $0)"
source "$(dirname "${SCRIPTPATH}")/lib.sh"

git2_search_base_dir

remote_name="origin"
branch_name="master"

# parse git clone arguments:
while test "x$1" != "x--" && test "x${1:0:1}" == "x-"; do
	if test "x$1" = "x-o" || test "x$1" = "x--origin"; then
		shift
		remote_name="$1"
	fi
	if test "x$1" = "x-b" || test "x$1" = "x--branch"; then
		shift
		branch_name="$1"
	fi
	shift
done
test "x$1" = "x--" && shift

REPO="$1"
DIR="$2"

if test "x${REPO}" = "x"
then
	echo "No Repository given"
fi


if test "x${DIR}" = "x"
then
	DIR="."
fi

git2 init "${DIR}" && \
	git2 remote add "${remote_name}" "${REPO}" && \
	git2 fetch && \
	git2 branch --track "${branch_name}" "${remote_name}/${branch_name}" &&\
	git2 reset -q && \
	git2 checkout-index -a

# git2 branch ... = checkout without overwriting existing files:
# old: git2 checkout -b "${branch_name}" --track "${remote_name}/${branch_name}"
# git2 checkout-index -a = creates deleted files