pngquant.build.sh

#!/bin/bash
{
set -x
set -e
set -u

. build.profile

. ${PREFIX}/${BUILD_python}/profile

function B_PNGQUANT {

BUILD_PKG=${BUILD_pngquant}

PREFIX=${PREFIX}/${BUILD_PKG}

if [ ! -d ${BUILD_pngquant} ]; then
  if [ ! -e ${BUILD_pngquant}.tar ]; then
    git clone --recursive https://github.com/kornelski/pngquant.git --single-branch ${BUILD_pngquant}
    pushd ${BUILD_pngquant}
    GITVER=$(git describe --tags)
    popd
    if [ "${GITVER}" != "${BUILD_pngquant##pngquant-}" ]; then
      echo "${GITVER} should be ${BUILD_pngquant}. update!"
      exit 1
    fi
    tar cf ${BUILD_pngquant}.tar ${BUILD_pngquant}
  else
    tar -xf ${BUILD_pngquant}.tar
  fi
fi

if [ ! -d ${PREFIX} ]; then
  git clone ${BUILD_pngquant} $PREFIX
else
  pushd ${PREFIX}
  git pull origin
  popd
fi

cat >$PREFIX/profile <<-EOF
PATH=$PREFIX/bin:\$PATH
PKG_CONFIG_PATH=${PROJECT}/${BUILD_PKG}/lib/pkgconfig\${PKG_CONFIG_PATH:+:}\${PKG_CONFIG_PATH:-}
EOF

cd ${BUILD_PKG}

local _conf=(
  --release
)

[ -d /usr/local/package/bin ] && PATH=${PATH}:/usr/local/package/bin

CARGO_HOME=.cargo cargo build "${_conf[@]}"

install -v -Dm0755 ./target/release/pngquant $PREFIX/bin/pngquant

}

B_PNGQUANT

}