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add generateDiff task (not yet used in generate-diff.yml)
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buildSrc/src/main/java/quilt/internal/tasks/diff/DiffDirectoriesTask.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| package quilt.internal.tasks.diff; | ||
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| import org.gradle.api.GradleException; | ||
| import org.gradle.api.file.Directory; | ||
| import org.gradle.api.file.DirectoryProperty; | ||
| import org.gradle.api.file.RegularFileProperty; | ||
| import org.gradle.api.provider.ListProperty; | ||
| import org.gradle.api.specs.Specs; | ||
| import org.gradle.api.tasks.Exec; | ||
| import org.gradle.api.tasks.Input; | ||
| import org.gradle.api.tasks.InputDirectory; | ||
| import org.gradle.api.tasks.Optional; | ||
| import org.gradle.api.tasks.OutputFile; | ||
| import org.gradle.api.tasks.TaskAction; | ||
| import org.gradle.api.tasks.options.Option; | ||
| import quilt.internal.Constants.Groups; | ||
| import quilt.internal.tasks.MappingsTask; | ||
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| import java.io.File; | ||
| import java.io.FileOutputStream; | ||
| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| import static quilt.internal.util.ProviderUtil.toOptional; | ||
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| public abstract class DiffDirectoriesTask extends Exec implements MappingsTask { | ||
| public static final String GENERATE_DIFF_TASK_NAME = "generateDiff"; | ||
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| public static final String DIFF_COMMAND = "diff"; | ||
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| private static final String EXIT_VALUE_1_ERROR = | ||
| "Process 'command '" + DIFF_COMMAND + "'' finished with non-zero exit value 1"; | ||
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| @Option( | ||
| option = "args", | ||
| description = "Additional args passed to the " + DIFF_COMMAND + " command." | ||
| ) | ||
| @Optional | ||
| @Input | ||
| public abstract ListProperty<String> getAdditionalArgs(); | ||
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| @Option( | ||
| option = "first", | ||
| description = "The first file passed to the " + DIFF_COMMAND + " command." | ||
| ) | ||
| @InputDirectory | ||
| public abstract DirectoryProperty getFirst(); | ||
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| @Option( | ||
| option = "second", | ||
| description = "The second file passed to the " + DIFF_COMMAND + " command." | ||
| ) | ||
| @InputDirectory | ||
| public abstract DirectoryProperty getSecond(); | ||
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| @Option( | ||
| option = "dest", | ||
| description = "The location to save the " + DIFF_COMMAND + " command output to." | ||
| ) | ||
| @OutputFile | ||
| public abstract RegularFileProperty getDest(); | ||
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| public DiffDirectoriesTask() { | ||
| this.setGroup(Groups.DIFF); | ||
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| this.setExecutable(DIFF_COMMAND); | ||
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| this.getOutputs().cacheIf( | ||
| "Re-enable caching because Exec has @DisableCachingByDefault", | ||
| Specs.satisfyAll() | ||
| ); | ||
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| this.getArgumentProviders().add(() -> { | ||
| // require neither directory is empty so the diff isn't just the full contents of one of them | ||
| final Directory first = this.getFirst().get(); | ||
| if (first.getAsFileTree().isEmpty()) { | ||
| throw new GradleException("first directory is empty"); | ||
| } | ||
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| final Directory second = this.getSecond().get(); | ||
| if (second.getAsFileTree().isEmpty()) { | ||
| throw new GradleException("second directory is empty"); | ||
| } | ||
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| final List<String> args = new ArrayList<>(); | ||
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| toOptional(this.getAdditionalArgs()).ifPresent(args::addAll); | ||
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| args.add(first.getAsFile().getAbsolutePath()); | ||
| args.add(second.getAsFile().getAbsolutePath()); | ||
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| return args; | ||
| }); | ||
| } | ||
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| @Override | ||
| @TaskAction | ||
| public void exec() { | ||
| try { | ||
| final File dest = this.getDest().get().getAsFile(); | ||
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| dest.getParentFile().mkdirs(); | ||
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| dest.createNewFile(); | ||
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| this.setStandardOutput(new FileOutputStream(dest.getAbsolutePath())); | ||
| } catch (IOException e) { | ||
| throw new GradleException("Failed to access destination file", e); | ||
| } | ||
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| try { | ||
| super.exec(); | ||
| } catch (GradleException e) { | ||
| // ignore exit value 1 which just means there was a difference between the inputs | ||
| if (!e.getMessage().equals(EXIT_VALUE_1_ERROR)) { | ||
| throw new GradleException("Error executing " + DIFF_COMMAND, e); | ||
| } | ||
| } | ||
| } | ||
| } |
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No difference between head and target.