#!/bin/sh

DESTDIR=${DESTDIR:-${PWD}/../vtest/}
TMPDIR=${TMPDIR:-$(mktemp -d)}
set -eux

curl -fsSL "https://code.vinyl-cache.org/vtest/VTest2/archive/main.tar.gz" -o "${TMPDIR}/VTest.tar.gz"
mkdir -p "${TMPDIR}/vtest"
tar xvf ${TMPDIR}/VTest.tar.gz -C "${TMPDIR}/vtest" --strip-components=1
# Special flags due to: https://github.com/vtest/VTest/issues/12

# Note: do not use "make -C ../vtest", otherwise MAKEFLAGS contains "w"
# and fails (see Options/Recursion in GNU Make doc, it contains the list
# of options without the leading '-').
# MFLAGS works on BSD but misses variable definitions on GNU Make.
# Better just avoid the -C and do the cd ourselves then.

cd "${TMPDIR}/vtest"

set +e
CPUS=${CPUS:-$(nproc 2>/dev/null)}
CPUS=${CPUS:-1}
set -e

#
# temporarily detect Apple Silicon (it's using /opt/homebrew instead of /usr/local)
#
if test -f /opt/homebrew/include/pcre2.h; then
   make -j${CPUS} FLAGS="-O2 -s -Wall" INCS="-I. -Isrc -Ilib -I/usr/local/include -I/opt/homebrew/include -pthread"
else
   make -j${CPUS} FLAGS="-O2 -s -Wall"
fi

mkdir -p "${DESTDIR}"
cp "${TMPDIR}/vtest/vtest" "${DESTDIR}"