mirror of https://github.com/cabaletta/baritone
86 lines
2.9 KiB
Java
86 lines
2.9 KiB
Java
/*
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* This file is part of Baritone.
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*
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* Baritone is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Baritone is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Baritone. If not, see <https://www.gnu.org/licenses/>.
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*/
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package baritone.gradle.util;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.Comparator;
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import java.util.List;
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import java.util.jar.JarEntry;
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import java.util.jar.JarFile;
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import java.util.jar.JarOutputStream;
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import java.util.stream.Collectors;
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/**
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* Make a .jar file deterministic by sorting all entries by name, and setting all the last modified times to 0.
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* This makes the build 100% reproducible since the timestamp when you built it no longer affects the final file.
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*
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* @author leijurv
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*/
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public class Determinizer {
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public static void main(String... args) throws IOException {
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/*
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haha yeah can't relate
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unzip -p build/libs/baritone-$VERSION.jar "mixins.baritone.refmap.json" | jq --sort-keys -c -M '.' > mixins.baritone.refmap.json
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zip -u build/libs/baritone-$VERSION.jar mixins.baritone.refmap.json
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rm mixins.baritone.refmap.json
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*/
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System.out.println("Running Determinizer");
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System.out.println(" Input path: " + args[0]);
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System.out.println(" Output path: " + args[1]);
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JarFile jarFile = new JarFile(new File(args[0]));
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JarOutputStream jos = new JarOutputStream(new FileOutputStream(new File(args[1])));
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List<JarEntry> entries = jarFile.stream()
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.sorted(Comparator.comparing(JarEntry::getName))
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.collect(Collectors.toList());
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for (JarEntry entry : entries) {
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if (entry.getName().equals("META-INF/fml_cache_annotation.json")) {
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continue;
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}
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if (entry.getName().equals("META-INF/fml_cache_class_versions.json")) {
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continue;
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}
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JarEntry clone = new JarEntry(entry.getName());
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clone.setTime(0);
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jos.putNextEntry(clone);
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copy(jarFile.getInputStream(entry), jos);
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}
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jos.finish();
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jos.close();
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jarFile.close();
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}
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private static void copy(InputStream is, OutputStream os) throws IOException {
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byte[] buffer = new byte[1024];
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int len;
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while ((len = is.read(buffer)) != -1) {
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os.write(buffer, 0, len);
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}
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}
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}
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