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Move default cache to ./cache so we don't pollute the repo output wit…
…h cache Download and cache version json files Rework version detection/document general reasoning. Set timestamp of version commits to releaseTime of that version.
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@@ -15,4 +15,5 @@ out | |
| *.idea | ||
| *.iml | ||
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| output | ||
| output | ||
| /cache/ | ||
368 changes: 135 additions & 233 deletions
368
src/main/java/net/minecraftforge/snowblower/Generator.java
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181 changes: 181 additions & 0 deletions
181
src/main/java/net/minecraftforge/snowblower/tasks/init/InitTask.java
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| /* | ||
| * Copyright (c) Forge Development LLC | ||
| * SPDX-License-Identifier: LGPL-2.1-only | ||
| */ | ||
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| package net.minecraftforge.snowblower.tasks.init; | ||
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| import java.io.IOException; | ||
| import java.net.URISyntaxException; | ||
| import java.nio.file.FileVisitResult; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.nio.file.SimpleFileVisitor; | ||
| import java.nio.file.StandardCopyOption; | ||
| import java.nio.file.attribute.BasicFileAttributes; | ||
| import java.nio.file.attribute.PosixFileAttributeView; | ||
| import java.nio.file.attribute.PosixFilePermission; | ||
| import java.util.Date; | ||
| import java.util.EnumSet; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
| import java.util.function.Consumer; | ||
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| import org.eclipse.jgit.api.AddCommand; | ||
| import org.eclipse.jgit.api.Git; | ||
| import org.eclipse.jgit.api.errors.GitAPIException; | ||
| import org.eclipse.jgit.dircache.DirCache; | ||
| import org.eclipse.jgit.lib.Constants; | ||
| import org.eclipse.jgit.lib.FileMode; | ||
| import org.eclipse.jgit.lib.ObjectId; | ||
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| import net.minecraftforge.snowblower.Generator; | ||
| import net.minecraftforge.snowblower.Main; | ||
| import net.minecraftforge.snowblower.util.Cache; | ||
| import net.minecraftforge.snowblower.util.Util; | ||
| import net.minecraftforge.srgutils.MinecraftVersion; | ||
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| public class InitTask { | ||
| private final Consumer<String> logger; | ||
| private final Path root; | ||
| private final Git git; | ||
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| public InitTask(Consumer<String> logger, Path root, Git git) { | ||
| this.logger = logger; | ||
| this.root = root; | ||
| this.git = git; | ||
| } | ||
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| public void cleanup() throws IOException { | ||
| for (var file : new String[]{"Snowblower.txt", ".gitattributes", ".gitignore", "gradlew", "gradlew.bat", "gradle"}) { | ||
| var target = this.root.resolve(file); | ||
| if (Files.isDirectory(target)) | ||
| Util.deleteRecursive(target); | ||
| else if (Files.exists(target)) | ||
| Files.delete(target); | ||
| } | ||
| } | ||
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| public boolean validate(boolean fresh, MinecraftVersion start) throws IOException, GitAPIException { | ||
| var meta = new Cache().comment( | ||
| "Source files created by Snowblower", | ||
| "https://github.com/MinecraftForge/Snowblower") | ||
| .put("Snowblower", getGitCommitHash()) // Now that I moved this to its own package, we could use the package hash. But I like the git commit. | ||
| .put("Start", start.toString()); | ||
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| var metaPath = root.resolve("Snowblower.txt"); | ||
| if (!fresh && !meta.isValid(metaPath)) { | ||
| logger.accept("The starting commit on this branch does not have matching metadata."); | ||
| logger.accept("This could be due to a different Snowblower version or a different starting Minecraft version."); | ||
| logger.accept("Please choose a different branch with --branch or add the --start-over flag and try again."); | ||
| return false; | ||
| } | ||
|
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| if (fresh || !Files.exists(metaPath)) { | ||
| // Create metadata file | ||
| meta.write(metaPath); | ||
| Util.add(git, metaPath); | ||
|
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| // Create some git metadata files to make life sane | ||
| var attrs = root.resolve(".gitattributes"); | ||
| Util.writeLines(attrs, | ||
| "* text eol=lf", | ||
| "*.java text eol=lf", | ||
| "*.json text eol=lf", | ||
| "*.xml text eol=lf", | ||
| "*.bin binary", | ||
| "*.png binary", | ||
| "*.gif binary", | ||
| "*.nbt binary" | ||
| ); | ||
| Util.add(git, attrs); | ||
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| var ignore = root.resolve(".gitignore"); | ||
| Util.writeLines(ignore, | ||
| ".gradle", | ||
| "build", | ||
| "", | ||
| "# Eclipse", | ||
| ".settings", | ||
| ".metadata", | ||
| ".classpath", | ||
| ".project", | ||
| "bin", | ||
| "", | ||
| "# IntelliJ", | ||
| "out", | ||
| "*.idea", | ||
| "*.iml" | ||
| ); | ||
| Util.add(git, ignore); | ||
|
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| try { | ||
| Path copyParentFolder = Util.isDev() ? Util.getSourcePath() : Util.getPath(Main.class.getResource("/resource_root.txt").toURI()).getParent(); | ||
| List<String> toCopy = List.of("gradlew", "gradlew.bat", "gradle"); | ||
| AddCommand addCmd = git.add(); | ||
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| for (String filename : toCopy) { | ||
| Path copyPath = copyParentFolder.resolve(filename); | ||
| if (Files.isRegularFile(copyPath)) { | ||
| Files.copy(copyPath, root.resolve(filename), StandardCopyOption.REPLACE_EXISTING); | ||
| } else { | ||
| Files.walkFileTree(copyPath, new SimpleFileVisitor<>() { | ||
| @Override | ||
| public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException { | ||
| Path destinationPath = root.resolve(copyParentFolder.relativize(file).toString()); | ||
| Files.createDirectories(destinationPath.getParent()); | ||
| Files.copy(file, destinationPath, StandardCopyOption.REPLACE_EXISTING); | ||
| return FileVisitResult.CONTINUE; | ||
| } | ||
| }); | ||
| } | ||
| addCmd.addFilepattern(filename); | ||
| } | ||
|
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| addCmd.call(); | ||
| } catch (URISyntaxException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
|
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| Util.commit(git, "Initial commit", new Date(1)); | ||
|
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| DirCache dirCache = git.getRepository().lockDirCache(); | ||
| dirCache.getEntry("gradlew").setFileMode(FileMode.EXECUTABLE_FILE); | ||
| dirCache.write(); | ||
| dirCache.commit(); | ||
|
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| PosixFileAttributeView posixFileAttributeView = Files.getFileAttributeView(root.resolve("gradlew"), PosixFileAttributeView.class); | ||
| if (posixFileAttributeView != null) { | ||
| Set<PosixFilePermission> perms = posixFileAttributeView.readAttributes().permissions(); | ||
| perms.addAll(EnumSet.of(PosixFilePermission.OWNER_EXECUTE, PosixFilePermission.GROUP_EXECUTE, PosixFilePermission.OTHERS_EXECUTE)); | ||
| posixFileAttributeView.setPermissions(perms); | ||
| } | ||
| } | ||
|
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| return true; | ||
| } | ||
|
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| private static String getGitCommitHash() { | ||
| String implVersion = Generator.class.getPackage().getImplementationVersion(); | ||
| if (implVersion != null) | ||
| return implVersion.substring(implVersion.indexOf('(') + 1, implVersion.indexOf(')')); | ||
|
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| try { | ||
| // This should never be a jar if the implementation version is missing, so we don't need Util#getPath | ||
| Path folderPath = Path.of(Util.getCodeSourceUri()); | ||
|
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| while (!Files.exists(folderPath.resolve(".git"))) { | ||
| folderPath = folderPath.getParent(); | ||
| if (folderPath == null) | ||
| return "unknown"; | ||
| } | ||
|
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| try (Git sourceGit = Git.open(folderPath.toFile())) { | ||
| ObjectId headId = sourceGit.getRepository().resolve(Constants.HEAD); | ||
| return headId == null ? "unknown" : headId.getName(); | ||
| } | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } |
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