#!/bin/bash
set -euo pipefail

HELP="Builds csb sites for git repositories

Usage:
  $(basename ${0}) [options] <name> <source>
  $(basename ${0}) -h|--help

Options:
  -h, --help               Show this message and exit
  -o DIR, --out DIR        Set output directory [default: .]
  -t DIR, --templates DIR  Set template directory [default: ./templates]"

ARGS=$(echo "$HELP" | csb-optparse "$@")
trap "rm -rf $ARGS" EXIT

[[ $(< "${ARGS}/--help") == "true" ]] && echo "$HELP" && exit 0

NAME="$(<${ARGS}/NAME)"
REPO="${NAME}.git"
OUTDIR="$(<${ARGS}/--out)"
REMOTEREPO="$(<${ARGS}/SOURCE)"
TEMPLATEDIR="$(<${ARGS}/--templates)"

OUTREPO="${OUTDIR}/${REPO}"
OUTRAW="${OUTDIR}/${NAME}/raw"
OUTRENDERED="${OUTDIR}/${NAME}/tree"

if [[ ! -e "${OUTREPO}" ]]; then
    git --work-tree="${OUTRAW}" clone "${REMOTEREPO}" "${OUTREPO}"
fi
pushd "${OUTREPO}" >/dev/null
git update-server-info 
popd >/dev/null

csb-tree "${NAME}" -i "${OUTRAW}" -o "${OUTRENDERED}" -t "tree.tmpl" --include "${TEMPLATEDIR}"