#!/bin/sh

# This script prepends BASE_PATH to any arguments that are not options (start
# with --) and do not start with BASE_PATH already.
# It then executes its equivalent in /usr/bin with those updated arguments.
#
# This script is meant to provide a base path for accessing git repositories
# through ssh. This is similar to running git-daemon(1) with --base-path and
# --base-path-relaxed. 

BASE_PATH='/data/vcs/git'

# We keep an array of arguments, so we can handle quoting an spaces in
# arguments properly.
ARGS=()
i=0
until [ "$#" -eq 0 ]
do
	if ! echo $1 | egrep "^(--|$BASE_PATH)" &>/dev/null; then
		ARGS[$i]="$BASE_PATH/$1"
	else
		ARGS[$i]="$1"
	fi
	((i++))
	shift
done

exec /usr/bin/`basename $0` "${ARGS[@]}"