#!/usr/bin/env bash
# Build the Singe manual from docs/Manual.adoc.
# Produces docs/Manual.html and docs/Manual.pdf.  The version comes from CMakeLists.txt.
set -euo pipefail

here=$(cd "$(dirname "$0")" && pwd)
src=$here/docs/Manual.adoc

if [[ ! -f $src ]]; then
    echo "error: $src not found" >&2
    exit 1
fi
for tool in asciidoctor asciidoctor-pdf; do
    if ! command -v "$tool" > /dev/null; then
        echo "error: $tool not found (gem install asciidoctor asciidoctor-pdf rouge)" >&2
        exit 1
    fi
done

version=$(sed -n 's/^project(singe2 VERSION \([0-9.]*\).*/\1/p' "$here/CMakeLists.txt")

asciidoctor -a revnumber="$version" "$src" -o "$here/docs/Manual.html"
asciidoctor-pdf -a revnumber="$version" "$src" -o "$here/docs/Manual.pdf"

echo "built:"
ls -la "$here/docs/Manual.html" "$here/docs/Manual.pdf"