#!/bin/sh
# Root-side half of the packaging/void container harness. Runs inside the
# pinned Void container as root: system setup, the void-packages checkout,
# then the builder half (container-build.sh) as the builder user, then the
# install plus import smoke as root again.
#
# Not executed directly: build.sh mounts this file and runs it. PKGNAME,
# XBPS_ARGS, EXPECT_VULKAN and VOID_COMMIT arrive via the environment.
set -eu

export PATH=/usr/bin:/bin:/usr/sbin:/sbin
xbps-install -Suy xbps >/dev/null
xbps-install -y git base-devel xtools binutils zstd >/dev/null
git clone --quiet --depth 1 https://github.com/void-linux/void-packages /void-packages
git -C /void-packages fetch --quiet --depth 1 origin "$VOID_COMMIT"
git -C /void-packages checkout --quiet "$VOID_COMMIT"
cp -r /overlay/. /void-packages/srcpkgs/
id builder >/dev/null 2>&1 || useradd -m builder
cp /mnt/container-build.sh /run-build.sh
chown builder:builder /void-packages /run-build.sh
chmod +x /run-build.sh
su -s /bin/sh builder -c /run-build.sh

echo "== install $PKGNAME from the local repository"
PKGFILE=$(ls /void-packages/hostdir/binpkgs/"$PKGNAME"-*.x86_64.xbps /host/binpkgs/"$PKGNAME"-*.x86_64.xbps 2>/dev/null | head -n1)
[ -n "$PKGFILE" ] || {
	echo "built package not found" >&2
	exit 1
}
echo "built: $PKGFILE"
xbps-install -Sy >/dev/null
xbps-install -y --repository="$(dirname "$PKGFILE")" "$PKGNAME" >/dev/null

echo "== compiler flag scan of the shipped ggml library"
LIBMEMBER=$(tar -tf "$PKGFILE" 2>/dev/null | grep -E "libggml-cpu\.so" | head -n1)
[ -n "$LIBMEMBER" ] || {
	echo "libggml-cpu missing from the built package" >&2
	exit 1
}
echo "member: $LIBMEMBER"
mkdir -p /flagscan
tar -xf "$PKGFILE" -C /flagscan "$LIBMEMBER"
LIBSCAN="/flagscan/${LIBMEMBER#./}"
echo "-- .GCC.command.line:"
readelf -p .GCC.command.line "$LIBSCAN" 2>/dev/null || echo "(section absent)"
echo "-- .comment:"
readelf -p .comment "$LIBSCAN" 2>/dev/null || echo "(section absent)"
if readelf -p .GCC.command.line "$LIBSCAN" 2>/dev/null | grep -E "march=native|mcpu=native|mtune=native"; then
	echo "host-native CPU tuning in the shipped library" >&2
	exit 1
fi
echo "no host-native tuning in the shipped library"

echo "== import smoke $PKGNAME"
python3 -c "from pywhispercpp.model import Model; print('model submodule ok')"
cat > /smoke.py <<'PYEOF'
import glob
import os
import pywhispercpp
pkgdir = os.path.dirname(pywhispercpp.__file__)
sitedir = os.path.dirname(pkgdir)
libs = sorted(os.path.basename(p) for p in glob.glob(sitedir + "/lib*.so*"))
print("shipped libraries:", libs)
assert any(n.startswith("libwhisper") for n in libs), "libwhisper missing"
exts = [n for n in os.listdir(sitedir) if n.startswith("_pywhispercpp") and n.endswith(".so")]
assert exts, "compiled extension missing"
print("extension:", exts)
has_vulkan = any("vulkan" in n for n in libs)
want_vulkan = bool(int(os.environ["EXPECT_VULKAN"]))
assert has_vulkan == want_vulkan, "vulkan backend present=%s, expected=%s" % (has_vulkan, want_vulkan)
print("smoke ok")
PYEOF
EXPECT_VULKAN="$EXPECT_VULKAN" python3 /smoke.py