2020-11-10 22:26:26 +01:00
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#!/usr/bin/env bash
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#
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# Downloads openjdk from AdoptOpenJDK by accessing the API.
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# The API is documented at https://api.adoptopenjdk.net/swagger-ui/
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#
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source $(dirname $0)/logger.inc
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case "$(uname)" in
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Linux*)
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JDK_OS=linux
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JDK_EXT=tar.gz
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COMPONENTS_TO_STRIP=1 # e.g. openjdk-11.0.3+7/bin/java
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;;
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Darwin*)
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JDK_OS=mac
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JDK_EXT=tar.gz
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COMPONENTS_TO_STRIP=3 # e.g. jdk-11.0.3+7/Contents/Home/bin/java
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;;
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CYGWIN*|MINGW*)
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JDK_OS=windows
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JDK_EXT=zip
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;;
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*)
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;;
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esac
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JDK_VERSION=11
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DOWNLOAD_URL=https://api.adoptopenjdk.net/v3/binary/latest/${JDK_VERSION}/ga/${JDK_OS}/x64/jdk/hotspot/normal/adoptopenjdk?project=jdk
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OPENJDK_ARCHIVE=openjdk-${JDK_VERSION}-${JDK_OS}.${JDK_EXT}
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CACHE_DIR=${HOME}/.cache/openjdk
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TARGET_DIR=${HOME}/openjdk${OPENJDK_VERSION}
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mkdir -p ${CACHE_DIR}
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mkdir -p ${TARGET_DIR}
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if [ ! -e ${CACHE_DIR}/${OPENJDK_ARCHIVE} ]; then
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log_info "Downloading from ${DOWNLOAD_URL} to ${CACHE_DIR}"
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2020-11-10 22:34:14 +01:00
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wget --continue --output-document=${CACHE_DIR}/${OPENJDK_ARCHIVE} ${DOWNLOAD_URL}
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2020-11-10 22:26:26 +01:00
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else
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log_info "Skipped download, file ${CACHE_DIR}/${OPENJDK_ARCHIVE} already exists"
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fi
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log_info "Extracting to ${TARGET_DIR}"
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if [ "${JDK_EXT}" = "zip" ]; then
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7z x ${CACHE_DIR}/${OPENJDK_ARCHIVE} -o${TARGET_DIR}
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mv ${TARGET_DIR}/*/* ${TARGET_DIR}/
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else
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tar --extract --file ${CACHE_DIR}/${OPENJDK_ARCHIVE} -C ${TARGET_DIR} --strip-components=${COMPONENTS_TO_STRIP}
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fi
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cat > ${HOME}/java.env <<EOF
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export JAVA_HOME="${TARGET_DIR}"
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export PATH="${TARGET_DIR}/bin:${PATH}"
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java -version
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EOF
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log_info "OpenJDK can be used via ${HOME}/java.env"
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cat ${HOME}/java.env
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source ${HOME}/java.env
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