#!/bin/sh+
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#+
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# Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.+
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.+
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#+
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# This code is free software; you can redistribute it and/or modify it+
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# under the terms of the GNU General Public License version 2 only, as+
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# published by the Free Software Foundation.  Oracle designates this+
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# particular file as subject to the "Classpath" exception as provided+
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# by Oracle in the LICENSE file that accompanied this code.+
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#+
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# This code is distributed in the hope that it will be useful, but WITHOUT+
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or+
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# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License+
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# version 2 for more details (a copy is included in the LICENSE file that+
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# accompanied this code).+
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#+
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# You should have received a copy of the GNU General Public License version+
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# 2 along with this work; if not, write to the Free Software Foundation,+
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.+
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#+
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA+
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# or visit www.oracle.com if you need additional information or have any+
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# questions.+
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#+
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+
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# This script allows to easily generate (add or update) "--release N" data for JDK N + 1.+
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# N must be 11 or greater. This script works on Linux. To create new data, or update existing+
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# data, it is necessary to:+
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# - download a binary build of OpenJDK N for Linux, API of which will be recorded. It is strongly recommended+
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#   to use an official build, not a custom build, to avoid any chance of including unofficial changes.+
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#   The binary build should never be a build newer than the GA for JDK N. Install the build. The installation+
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#   directory will be denoted as "${JDK_N_INSTALL}" in the further text.+
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# - have a checkout the JDK to which the data should be added (or in which the data should be updated).+
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#   The checkout directory will be denoted as "${JDK_CHECKOUT}" in the further text.+
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#   The checkout must not have any local changes that could interfere with the new data. In particular,+
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#   there must be absolutely no changed, new or removed files under the ${JDK_CHECKOUT}/make/data/symbols+
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#   directory.+
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# - open a terminal program and run these commands:+
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#     cd "${JDK_CHECKOUT}"/make/data/symbols+
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#     bash ../../scripts/generate-symbol-data.sh "${JDK_N_INSTALL}"+
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# - this command will generate or update data for "--release N" into the ${JDK_CHECKOUT}/make/data/symbols+
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#   directory, updating all registration necessary. If the goal was to update the data, and there are no+
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#   new or changed files in the ${JDK_CHECKOUT}/make/data/symbols directory after running this script,+
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#   there were no relevant changes and no further action is necessary. Note that version for N > 9 are encoded+
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#   using capital letters, i.e. A represents version 10, B represents 11, and so on. The version numbers are in+
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#   the names of the files in the ${JDK_CHECKOUT}/make/data/symbols directory, as well as in+
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#   the ${JDK_CHECKOUT}/make/data/symbols/symbols file.+
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# - if there are any changed/new files in the ${JDK_CHECKOUT}/make/data/symbols directory after running this script,+
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#   then all the changes in this directory, including any new files, need to be sent for review and eventually pushed.+
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#   The commit message should specify which binary build was installed in the ${JDK_N_INSTALL} directory and also+
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#   include the SCM state that was used to build it, which can be found in ${JDK_N_INSTALL}/release,+
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#   in property "SOURCE".+
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+
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if [ "$1x" = "x" ] ; then+
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    echo "Must provide the target JDK as a parameter:" >&2+
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    echo "$0 <target-jdk>" >&2+
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    exit 1+
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fi;+
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+
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if [ ! -f symbols ] ; then+
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    echo "Must run inside the make/data/symbols directory" >&2+
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    exit 1+
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fi;+
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+
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if [ "`hg status .`x" != "x" ] ; then+
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    echo "The make/data/symbols directory contains local changes!" >&2+
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    exit 1+
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fi;+
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+
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$1/bin/java --add-exports jdk.jdeps/com.sun.tools.classfile=ALL-UNNAMED \+
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            --add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED \+
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            --add-exports jdk.compiler/com.sun.tools.javac.jvm=ALL-UNNAMED \+
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            --add-exports jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED \+
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            --add-modules jdk.jdeps \+
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            ../../../make/langtools/src/classes/build/tools/symbolgenerator/CreateSymbols.java \+
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            build-description-incremental symbols include.list+
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