#!/bin/bash
set -e

# version check: https://github.com/libvips/libvips/releases
VIPS_VERSION="8.18.4"
VIPS_HASH="2677bad6c422617fd1172d359c16af34e736965d042c214203a87187d26ff037"

PREFIX=/usr/local
WDIR=/tmp/vips
JPEGLI_PREFIX=/usr/local/lib/jpegli

export DEBIAN_FRONTEND=noninteractive
export PKG_CONFIG_PATH="$JPEGLI_PREFIX/lib/pkgconfig${PKG_CONFIG_PATH:+:$PKG_CONFIG_PATH}"
apt -y -q install meson ninja-build pkg-config xz-utils \
    libglib2.0-dev libexpat1-dev \
    libpng-dev libwebp-dev libtiff-dev libjxl-dev librsvg2-dev \
    libcgif-dev libexif-dev liblcms2-dev liborc-0.4-dev \
    libimagequant-dev libpango1.0-dev

test "$(pkg-config --variable=libdir libjpeg)" = "$JPEGLI_PREFIX/lib"

mkdir -p $WDIR
cd $WDIR

wget -q -O $WDIR/vips.tar.xz "https://github.com/libvips/libvips/releases/download/v$VIPS_VERSION/vips-$VIPS_VERSION.tar.xz"
sha256sum $WDIR/vips.tar.xz
echo "$VIPS_HASH $WDIR/vips.tar.xz" | sha256sum -c
tar xf $WDIR/vips.tar.xz -C $WDIR
cd $WDIR/vips-$VIPS_VERSION

meson setup build \
  --prefix=$PREFIX \
  --libdir=lib \
  --buildtype=release \
  --auto-features=disabled \
  -Ddeprecated=false \
  -Dexamples=false \
  -Dcplusplus=false \
  -Dppm=false \
  -Danalyze=false \
  -Dradiance=false \
  -Dmodules=disabled \
  -Dmagick=disabled \
  -Dhighway=disabled \
  -Dzlib=enabled \
  -Djpeg=enabled \
  -Dpng=enabled \
  -Dwebp=enabled \
  -Dtiff=enabled \
  -Dheif=enabled \
  -Djpeg-xl=enabled \
  -Drsvg=enabled \
  -Dcgif=enabled \
  -Dexif=enabled \
  -Dlcms=enabled \
  -Dorc=enabled \
  -Dimagequant=enabled \
  -Dfontconfig=enabled \
  -Dpangocairo=enabled

ninja -C build -j"$(nproc)"
ninja -C build install

ldconfig $PREFIX/lib

ldd "$PREFIX/lib/libvips.so.42" | grep -q "$JPEGLI_PREFIX/lib/libjpeg.so.62"

for op in jpegload jpegsave pngload gifload webpload tiffload heifload jxlload svgload text; do
  vips -l | grep -q "$op" || { echo "ERROR: vips is missing operation: $op"; exit 1; }
done

if vips -l | grep -qi magick || ldd $PREFIX/lib/libvips.so.42 | grep -Eqi 'libMagick|libgs\.so'; then
  echo "ERROR: vips must not link to ImageMagick or Ghostscript"
  exit 1
fi

cd $HOME
rm -rf $WDIR