buildSrc/src/main/java/com/uber/okbuck/core/manager/BuckManager.java [16:79]:
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public final class BuckManager {

  private static final String BUCK_BINARY_LOCATION =
      OkBuckGradlePlugin.WORKSPACE_PATH + "/buck_binary";

  private static final String BUCK_BINARY_CONFIGURATION = "buckBinary";
  private static final String JITPACK_URL = "https://jitpack.io";

  private final Project rootProject;

  @Nullable private Path realBuckBinaryPath;

  public BuckManager(Project rootProject) {
    this.rootProject = rootProject;
  }

  public void setupBuckBinary() {
    OkBuckExtension okbuckExt = ProjectUtil.getOkBuckExtension(rootProject);

    // Create dependency cache for buck binary if needed
    if (okbuckExt.buckBinary != null) {
      Configuration buckConfig =
          rootProject.getConfigurations().maybeCreate(BUCK_BINARY_CONFIGURATION);
      rootProject
          .getRepositories()
          .maven(mavenArtifactRepository -> mavenArtifactRepository.setUrl(JITPACK_URL));
      rootProject
          .getDependencies()
          .add(
              BUCK_BINARY_CONFIGURATION,
              getJavaVersion() == 11 ? okbuckExt.buckBinaryJava11 : okbuckExt.buckBinary);

      Set<File> resolvedFiles = buckConfig.getResolvedConfiguration().getFiles();
      Preconditions.checkArgument(resolvedFiles.size() == 1);
      realBuckBinaryPath = resolvedFiles.iterator().next().toPath();
    }
  }

  public void finalizeDependencies() {
    Path buckBinaryCache = rootProject.file(BUCK_BINARY_LOCATION).toPath();
    // Delete already existing folder
    FileUtil.deleteQuietly(buckBinaryCache);

    if (realBuckBinaryPath != null) {
      Path linkedBinaryPath = buckBinaryCache.resolve(realBuckBinaryPath.getFileName());

      // Make dirs
      linkedBinaryPath.getParent().toFile().mkdirs();

      FileUtil.symlink(linkedBinaryPath, realBuckBinaryPath);
    }
  }

  private static int getJavaVersion() {
    @Var String version = System.getProperty("java.version");
    if (version.startsWith("1.")) {
      version = version.substring(2, 3);
    } else {
      int dot = version.indexOf(".");
      if (dot != -1) {
        version = version.substring(0, dot);
      }
    }
    return Integer.parseInt(version);
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plugin/src/main/java/com/uber/okbuck/core/manager/BuckManager.java [16:79]:
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public final class BuckManager {

  private static final String BUCK_BINARY_LOCATION =
      OkBuckGradlePlugin.WORKSPACE_PATH + "/buck_binary";

  private static final String BUCK_BINARY_CONFIGURATION = "buckBinary";
  private static final String JITPACK_URL = "https://jitpack.io";

  private final Project rootProject;

  @Nullable private Path realBuckBinaryPath;

  public BuckManager(Project rootProject) {
    this.rootProject = rootProject;
  }

  public void setupBuckBinary() {
    OkBuckExtension okbuckExt = ProjectUtil.getOkBuckExtension(rootProject);

    // Create dependency cache for buck binary if needed
    if (okbuckExt.buckBinary != null) {
      Configuration buckConfig =
          rootProject.getConfigurations().maybeCreate(BUCK_BINARY_CONFIGURATION);
      rootProject
          .getRepositories()
          .maven(mavenArtifactRepository -> mavenArtifactRepository.setUrl(JITPACK_URL));
      rootProject
          .getDependencies()
          .add(
              BUCK_BINARY_CONFIGURATION,
              getJavaVersion() == 11 ? okbuckExt.buckBinaryJava11 : okbuckExt.buckBinary);

      Set<File> resolvedFiles = buckConfig.getResolvedConfiguration().getFiles();
      Preconditions.checkArgument(resolvedFiles.size() == 1);
      realBuckBinaryPath = resolvedFiles.iterator().next().toPath();
    }
  }

  public void finalizeDependencies() {
    Path buckBinaryCache = rootProject.file(BUCK_BINARY_LOCATION).toPath();
    // Delete already existing folder
    FileUtil.deleteQuietly(buckBinaryCache);

    if (realBuckBinaryPath != null) {
      Path linkedBinaryPath = buckBinaryCache.resolve(realBuckBinaryPath.getFileName());

      // Make dirs
      linkedBinaryPath.getParent().toFile().mkdirs();

      FileUtil.symlink(linkedBinaryPath, realBuckBinaryPath);
    }
  }

  private static int getJavaVersion() {
    @Var String version = System.getProperty("java.version");
    if (version.startsWith("1.")) {
      version = version.substring(2, 3);
    } else {
      int dot = version.indexOf(".");
      if (dot != -1) {
        version = version.substring(0, dot);
      }
    }
    return Integer.parseInt(version);
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