blob: f4f08d94cf4e9459456fdb0fd0a74da7f8a475ab [file] [log] [blame] [edit]
#!/bin/bash
# Copyright 2018 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# This script creates from the full JDK a minimized version that only contains
# the specified JDK modules.
set -euo pipefail
if [ "$1" == "--allmodules" ]; then
shift
modules="ALL-MODULE-PATH"
else
modules=$(cat "$2" | paste -sd "," - | tr -d '\r')
# We have to add this module explicitly because jdeps doesn't find the
# dependency on it but it is still necessary for TLSv1.3.
modules="$modules,jdk.crypto.ec"
fi
fulljdk=$1
out=$3
ARCH=`uname -p`
if [[ "${ARCH}" == 'ppc64le' ]] || [[ "${ARCH}" == 's390x' ]]; then
FULL_JDK_DIR="jdk*"
DOCS=""
else
FULL_JDK_DIR="zulu*"
DOCS="DISCLAIMER readme.txt"
fi
UNAME=$(uname -s | tr 'A-Z' 'a-z')
if [[ "$UNAME" =~ msys_nt* ]]; then
set -x
mkdir "tmp.$$"
cd "tmp.$$"
unzip "../$fulljdk"
cd $FULL_JDK_DIR
./bin/jlink --module-path ./jmods/ --add-modules "$modules" \
--vm=server --strip-debug --no-man-pages \
--output reduced
cp $DOCS legal/java.base/ASSEMBLY_EXCEPTION \
reduced/
# These are necessary for --host_jvm_debug to work.
cp bin/dt_socket.dll bin/jdwp.dll reduced/bin
zip -r -9 ../reduced.zip reduced/
cd ../..
mv "tmp.$$/reduced.zip" "$out"
rm -rf "tmp.$$"
else
# The --no-same-owner flag instructs tar to not try to chown extracted files
# to the owner stored in the archive - it will try to do that when running as
# root, but fail when running inside Docker, so we explicitly disable it.
tar xf "$fulljdk" --no-same-owner
cd $FULL_JDK_DIR
./bin/jlink --module-path ./jmods/ --add-modules "$modules" \
--vm=server --strip-debug --no-man-pages \
--output reduced
cp $DOCS legal/java.base/ASSEMBLY_EXCEPTION \
reduced/
# These are necessary for --host_jvm_debug to work.
if [[ "$UNAME" =~ darwin ]]; then
cp lib/libdt_socket.dylib lib/libjdwp.dylib reduced/lib
else
cp lib/libdt_socket.so lib/libjdwp.so reduced/lib
fi
GZIP=-9 tar -zcf ../reduced.tgz reduced
cd ..
mv reduced.tgz "$out"
fi