#!/usr/bin/env bash

if [[ $# -ne 2 ]]; then
  echo "USAGE: ./man-to-html INPUT OUTPUT"
  exit 1
fi

set -euo pipefail

eval "meta=($(head -n 1 "$1" | sed "s/.TH //"))"

pandoc -f man -t html \
  --template man-template \
  -M title="${meta[4]}" -M date="${meta[2]}" \
  -M version="${meta[3]}" -M cmd="${meta[0]^^}(${meta[1]})" \
  "$1" > "$2"