Script to download and install AdoptOpenJDK 10 to /Library/Java/JavaVirtualMachines

install-adoptjdk-10.sh

#!/usr/bin/env bash

set -e

# Returns latest jdk 10 version, e.g. jdk-10.0.2+13
JDK=$(curl --silent "https://api.github.com/repos/AdoptOpenJDK/openjdk10-releases/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')

# 10.0.2+13
VERSION=$(basename "${JDK}" | awk -F"-" '{ print $2 }')
# 10.0.2
SHORT_VERSION=$(echo "${VERSION}" | cut -f1 -d"+")
# 13
BUILD=$(echo "${VERSION}" | cut -f2 -d"+")
# 10.0.2.13
BUILD_VERSION="${SHORT_VERSION}.${BUILD}"
# 10.0
PLATFORM_VERSION=$(echo "${VERSION}" | cut -f1-2 -d".")

# https://github.com/AdoptOpenJDK/openjdk10-releases/releases/download/jdk-10.0.2%2B13/OpenJDK10_x64_Mac_jdk-10.0.2.13.tar.gz
JDK_TARBALL_URL="https://github.com/AdoptOpenJDK/openjdk10-releases/releases/download/jdk-${SHORT_VERSION}%2B${BUILD}/OpenJDK10_x64_Mac_jdk-${BUILD_VERSION}.tar.gz"

INFO_PLIST_URL="https://gist.githubusercontent.com/nordligulv/765f4491956687fbed2e5948823d0a79/raw/c39efa7cbad5530598355efce2d26a97a7c053df/Info.plist"

WORKDIR=$(mktemp -d)

# Download latest jdk 10 and unzip it to Contents/Home
echo "Downloading ${JDK}"
mkdir -p "${WORKDIR}/Contents"
TARBALL="${WORKDIR}/jdk.tar.gz"
curl -L -o "${WORKDIR}/jdk.tar.gz" "${JDK_TARBALL_URL}"
tar xzf "${TARBALL}" -C "${WORKDIR}"
rm "${TARBALL}"
#JDK=$(find "${WORKDIR}" -type d -name "jdk-*")
mv "${WORKDIR}/${JDK}" "${WORKDIR}/Contents/Home"

# Download template Info.plist, populate it with jdk versions and save it to Contents/Info.plist
INFO_PLIST="${WORKDIR}/Contents/Info.plist"
wget -O "${INFO_PLIST}" "${INFO_PLIST_URL}"
eval "cat <<EOF
$(<"${INFO_PLIST}")
EOF
" 2> /dev/null > "${INFO_PLIST}"

# Link Contents/MacOS/libjli.dylib to Contents/Home/lib/jli/libjli.dylib
mkdir -p "${WORKDIR}/Contents/MacOS/"
cd "${WORKDIR}/Contents/MacOS/"
ln -s "../Home/lib/jli/libjli.dylib" "${WORKDIR}/Contents/MacOS/libjli.dylib"
cd -

echo "Installing AdoptOpenJDK ${SHORT_VERSION} to /Library/Java/JavaVirtualMachines"
sudo mv "${WORKDIR}" "/Library/Java/JavaVirtualMachines/adoptopenjdk-${SHORT_VERSION}.jdk"