#!/bin/bash
# Generate dependency Makefile for post
#
#  Copyright (C) 2019 Mike Gerwitz
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# The dependency Makefile is responsible for webroot generation.  This is
# necessary since the directory structure of the webroot varies so wildly
# from that of the source.
##

set -euo pipefail


# Generate Makefile.  Produces webroot target and adds that target to the
# `www-posts' phony target.
main()
{
  local -r distdir=${1?Missing distdir}
  local -r meta=${2?Missing post path}

  local slug
  slug=$( recsel -P slug "$meta" )

  local -r dest="$distdir/$slug.html"
  local -r src="${meta%%.meta}.html"

  cat <<EOF
www-posts: $dest
$dest: $src
	install -Dma+r $src $dest
EOF
}


main "$@"