Merge branch '2.7.x'

Closes gh-34147

buildSrc/src/main/java/org/springframework/boot/build/bom/BomPlugin.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -37,6 +37,7 @@ import org.springframework.boot.build.DeployedPlugin;
 import org.springframework.boot.build.MavenRepositoryPlugin;
 import org.springframework.boot.build.bom.Library.Group;
 import org.springframework.boot.build.bom.Library.Module;
+import org.springframework.boot.build.bom.bomr.MoveToSnapshots;
 import org.springframework.boot.build.bom.bomr.UpgradeBom;
 
 /**
@@ -63,6 +64,7 @@ public class BomPlugin implements Plugin<Project> {
 				project);
 		project.getTasks().create("bomrCheck", CheckBom.class, bom);
 		project.getTasks().create("bomrUpgrade", UpgradeBom.class, bom);
+		project.getTasks().create("moveToSnapshots", MoveToSnapshots.class, bom);
 		new PublishingCustomizer(project, bom).customize();
 
 	}

buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/MavenMetadataVersionResolver.java

@@ -17,6 +17,7 @@
 package org.springframework.boot.build.bom.bomr;
 
 import java.io.StringReader;
+import java.net.URI;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
@@ -49,13 +50,13 @@ final class MavenMetadataVersionResolver implements VersionResolver {
 
 	private final RestTemplate rest;
 
-	private final Collection<String> repositoryUrls;
+	private final Collection<URI> repositoryUrls;
 
-	MavenMetadataVersionResolver(Collection<String> repositoryUrls) {
+	MavenMetadataVersionResolver(Collection<URI> repositoryUrls) {
 		this(new RestTemplate(Collections.singletonList(new StringHttpMessageConverter())), repositoryUrls);
 	}
 
-	MavenMetadataVersionResolver(RestTemplate restTemplate, Collection<String> repositoryUrls) {
+	MavenMetadataVersionResolver(RestTemplate restTemplate, Collection<URI> repositoryUrls) {
 		this.rest = restTemplate;
 		this.repositoryUrls = repositoryUrls;
 	}
@@ -63,15 +64,15 @@ final class MavenMetadataVersionResolver implements VersionResolver {
 	@Override
 	public SortedSet<DependencyVersion> resolveVersions(String groupId, String artifactId) {
 		Set<String> versions = new HashSet<>();
-		for (String repositoryUrl : this.repositoryUrls) {
+		for (URI repositoryUrl : this.repositoryUrls) {
 			versions.addAll(resolveVersions(groupId, artifactId, repositoryUrl));
 		}
 		return versions.stream().map(DependencyVersion::parse).collect(Collectors.toCollection(TreeSet::new));
 	}
 
-	private Set<String> resolveVersions(String groupId, String artifactId, String repositoryUrl) {
+	private Set<String> resolveVersions(String groupId, String artifactId, URI repositoryUrl) {
 		Set<String> versions = new HashSet<>();
-		String url = repositoryUrl + "/" + groupId.replace('.', '/') + "/" + artifactId + "/maven-metadata.xml";
+		URI url = repositoryUrl.resolve(groupId.replace('.', '/') + "/" + artifactId + "/maven-metadata.xml");
 		try {
 			String metadata = this.rest.getForObject(url, String.class);
 			Document metadataDocument = DocumentBuilderFactory.newInstance().newDocumentBuilder()

buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/MoveToSnapshots.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2021-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.boot.build.bom.bomr;
+
+import java.net.URI;
+
+import javax.inject.Inject;
+
+import org.gradle.api.Task;
+
+import org.springframework.boot.build.bom.BomExtension;
+
+/**
+ * A {@link Task} to move to snapshot dependencies.
+ *
+ * @author Andy Wilkinson
+ */
+public abstract class MoveToSnapshots extends UpgradeDependencies {
+
+	private final URI REPOSITORY_URI = URI.create("https://repo.spring.io/snapshot/");
+
+	@Inject
+	public MoveToSnapshots(BomExtension bom) {
+		super(bom);
+		getRepositoryUris().add(this.REPOSITORY_URI);
+	}
+
+	@Override
+	protected String issueTitle(Upgrade upgrade) {
+		String snapshotVersion = upgrade.getVersion().toString();
+		String releaseVersion = snapshotVersion.substring(0, snapshotVersion.length() - "-SNAPSHOT".length());
+		return "Upgrade to " + upgrade.getLibrary().getName() + " " + releaseVersion;
+	}
+
+	@Override
+	protected String commitMessage(Upgrade upgrade, int issueNumber) {
+		return "Start building against " + upgrade.getLibrary().getName() + " " + releaseVersion(upgrade) + " snapshots"
+				+ "\n\nSee gh-" + issueNumber;
+	}
+
+	private String releaseVersion(Upgrade upgrade) {
+		String snapshotVersion = upgrade.getVersion().toString();
+		return snapshotVersion.substring(0, snapshotVersion.length() - "-SNAPSHOT".length());
+	}
+
+}

buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/UpgradeBom.java

@@ -16,40 +16,14 @@
 
 package org.springframework.boot.build.bom.bomr;
 
-import java.io.File;
+import java.net.URI;
-import java.io.FileReader;
-import java.io.IOException;
-import java.io.Reader;
-import java.nio.file.Path;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.LinkedHashSet;
-import java.util.List;
-import java.util.Optional;
-import java.util.Properties;
-import java.util.Set;
-import java.util.function.Predicate;
-import java.util.regex.Pattern;
 
 import javax.inject.Inject;
 
-import org.gradle.api.DefaultTask;
-import org.gradle.api.InvalidUserDataException;
 import org.gradle.api.Task;
 import org.gradle.api.artifacts.repositories.MavenArtifactRepository;
-import org.gradle.api.internal.tasks.userinput.UserInputHandler;
-import org.gradle.api.tasks.Input;
-import org.gradle.api.tasks.TaskAction;
-import org.gradle.api.tasks.TaskExecutionException;
-import org.gradle.api.tasks.options.Option;
 
 import org.springframework.boot.build.bom.BomExtension;
-import org.springframework.boot.build.bom.Library;
-import org.springframework.boot.build.bom.bomr.github.GitHub;
-import org.springframework.boot.build.bom.bomr.github.GitHubRepository;
-import org.springframework.boot.build.bom.bomr.github.Issue;
-import org.springframework.boot.build.bom.bomr.github.Milestone;
-import org.springframework.util.StringUtils;
 
 /**
  * {@link Task} to upgrade the libraries managed by a bom.
@@ -57,161 +31,27 @@ import org.springframework.util.StringUtils;
  * @author Andy Wilkinson
  * @author Moritz Halbritter
  */
-public class UpgradeBom extends DefaultTask {
+public abstract class UpgradeBom extends UpgradeDependencies {
-
-	private final Set<String> repositoryUrls = new LinkedHashSet<>();
-
-	private final BomExtension bom;
-
-	private String milestone;
-
-	private String libraries;
-
-	private int threads = 2;
 
 	@Inject
 	public UpgradeBom(BomExtension bom) {
-		this.bom = bom;
+		super(bom);
 		getProject().getRepositories().withType(MavenArtifactRepository.class, (repository) -> {
-			String repositoryUrl = repository.getUrl().toString();
+			URI repositoryUrl = repository.getUrl();
-			if (!repositoryUrl.endsWith("snapshot")) {
+			if (!repositoryUrl.toString().endsWith("snapshot")) {
-				this.repositoryUrls.add(repositoryUrl);
+				getRepositoryUris().add(repositoryUrl);
 			}
 		});
 	}
 
-	@Option(option = "milestone", description = "Milestone to which dependency upgrade issues should be assigned")
+	@Override
-	public void setMilestone(String milestone) {
+	protected String issueTitle(Upgrade upgrade) {
-		this.milestone = milestone;
+		return "Upgrade to " + upgrade.getLibrary().getName() + " " + upgrade.getVersion();
 	}
 
-	@Option(option = "threads", description = "Number of Threads to use for update resolution")
+	@Override
-	public void setThreads(String threads) {
+	protected String commitMessage(Upgrade upgrade, int issueNumber) {
-		this.threads = Integer.parseInt(threads);
+		return issueTitle(upgrade) + "\n\nCloses gh-" + issueNumber;
-	}
-
-	@Input
-	public String getMilestone() {
-		return this.milestone;
-	}
-
-	@Option(option = "libraries", description = "Regular expression that identifies the libraries to upgrade")
-	public void setLibraries(String libraries) {
-		this.libraries = libraries;
-	}
-
-	@Input
-	@org.gradle.api.tasks.Optional
-	public String getLibraries() {
-		return this.libraries;
-	}
-
-	@TaskAction
-	@SuppressWarnings("deprecation")
-	void upgradeDependencies() {
-		GitHubRepository repository = createGitHub().getRepository(this.bom.getUpgrade().getGitHub().getOrganization(),
-				this.bom.getUpgrade().getGitHub().getRepository());
-		Set<String> availableLabels = repository.getLabels();
-		List<String> issueLabels = this.bom.getUpgrade().getGitHub().getIssueLabels();
-		if (!availableLabels.containsAll(issueLabels)) {
-			List<String> unknownLabels = new ArrayList<>(issueLabels);
-			unknownLabels.removeAll(availableLabels);
-			throw new InvalidUserDataException(
-					"Unknown label(s): " + StringUtils.collectionToCommaDelimitedString(unknownLabels));
-		}
-		Milestone milestone = determineMilestone(repository);
-		List<Issue> existingUpgradeIssues = repository.findIssues(issueLabels, milestone);
-		List<Upgrade> upgrades = new InteractiveUpgradeResolver(getServices().get(UserInputHandler.class),
-				new MultithreadedLibraryUpdateResolver(new MavenMetadataVersionResolver(this.repositoryUrls),
-						this.bom.getUpgrade().getPolicy(), this.threads))
-								.resolveUpgrades(matchingLibraries(this.libraries), this.bom.getLibraries());
-		Path buildFile = getProject().getBuildFile().toPath();
-		Path gradleProperties = new File(getProject().getRootProject().getProjectDir(), "gradle.properties").toPath();
-		UpgradeApplicator upgradeApplicator = new UpgradeApplicator(buildFile, gradleProperties);
-		for (Upgrade upgrade : upgrades) {
-			String title = "Upgrade to " + upgrade.getLibrary().getName() + " " + upgrade.getVersion();
-			Issue existingUpgradeIssue = findExistingUpgradeIssue(existingUpgradeIssues, upgrade);
-			if (existingUpgradeIssue != null) {
-				System.out.println(title + " (supersedes #" + existingUpgradeIssue.getNumber() + " "
-						+ existingUpgradeIssue.getTitle() + ")");
-			}
-			else {
-				System.out.println(title);
-			}
-			try {
-				Path modified = upgradeApplicator.apply(upgrade);
-				int issueNumber = repository.openIssue(title,
-						(existingUpgradeIssue != null) ? "Supersedes #" + existingUpgradeIssue.getNumber() : "",
-						issueLabels, milestone);
-				if (existingUpgradeIssue != null) {
-					existingUpgradeIssue.label(Arrays.asList("type: task", "status: superseded"));
-				}
-				if (new ProcessBuilder().command("git", "add", modified.toFile().getAbsolutePath()).start()
-						.waitFor() != 0) {
-					throw new IllegalStateException("git add failed");
-				}
-				if (new ProcessBuilder().command("git", "commit", "-m", title + "\n\nCloses gh-" + issueNumber).start()
-						.waitFor() != 0) {
-					throw new IllegalStateException("git commit failed");
-				}
-			}
-			catch (IOException ex) {
-				throw new TaskExecutionException(this, ex);
-			}
-			catch (InterruptedException ex) {
-				Thread.currentThread().interrupt();
-			}
-		}
-	}
-
-	private List<Library> matchingLibraries(String pattern) {
-		if (pattern == null) {
-			return this.bom.getLibraries();
-		}
-		Predicate<String> libraryPredicate = Pattern.compile(pattern).asPredicate();
-		List<Library> matchingLibraries = this.bom.getLibraries().stream()
-				.filter((library) -> libraryPredicate.test(library.getName())).toList();
-		if (matchingLibraries.isEmpty()) {
-			throw new InvalidUserDataException("No libraries matched '" + pattern + "'");
-		}
-		return matchingLibraries;
-	}
-
-	private Issue findExistingUpgradeIssue(List<Issue> existingUpgradeIssues, Upgrade upgrade) {
-		String toMatch = "Upgrade to " + upgrade.getLibrary().getName();
-		for (Issue existingUpgradeIssue : existingUpgradeIssues) {
-			if (existingUpgradeIssue.getTitle().substring(0, existingUpgradeIssue.getTitle().lastIndexOf(' '))
-					.equals(toMatch)) {
-				return existingUpgradeIssue;
-			}
-		}
-		return null;
-	}
-
-	private GitHub createGitHub() {
-		Properties bomrProperties = new Properties();
-		try (Reader reader = new FileReader(new File(System.getProperty("user.home"), ".bomr.properties"))) {
-			bomrProperties.load(reader);
-			String username = bomrProperties.getProperty("bomr.github.username");
-			String password = bomrProperties.getProperty("bomr.github.password");
-			return GitHub.withCredentials(username, password);
-		}
-		catch (IOException ex) {
-			throw new InvalidUserDataException("Failed to load .bomr.properties from user home", ex);
-		}
-	}
-
-	private Milestone determineMilestone(GitHubRepository repository) {
-		if (this.milestone == null) {
-			return null;
-		}
-		List<Milestone> milestones = repository.getMilestones();
-		Optional<Milestone> matchingMilestone = milestones.stream()
-				.filter((milestone) -> milestone.getName().equals(this.milestone)).findFirst();
-		if (!matchingMilestone.isPresent()) {
-			throw new InvalidUserDataException("Unknown milestone: " + this.milestone);
-		}
-		return matchingMilestone.get();
 	}
 
 }

buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/UpgradeDependencies.java

@@ -0,0 +1,222 @@
+/*
+ * Copyright 2012-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.boot.build.bom.bomr;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.Reader;
+import java.net.URI;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Properties;
+import java.util.Set;
+import java.util.function.Predicate;
+import java.util.regex.Pattern;
+
+import javax.inject.Inject;
+
+import org.gradle.api.DefaultTask;
+import org.gradle.api.InvalidUserDataException;
+import org.gradle.api.internal.tasks.userinput.UserInputHandler;
+import org.gradle.api.provider.ListProperty;
+import org.gradle.api.provider.Property;
+import org.gradle.api.tasks.Input;
+import org.gradle.api.tasks.Optional;
+import org.gradle.api.tasks.TaskAction;
+import org.gradle.api.tasks.TaskExecutionException;
+import org.gradle.api.tasks.options.Option;
+
+import org.springframework.boot.build.bom.BomExtension;
+import org.springframework.boot.build.bom.Library;
+import org.springframework.boot.build.bom.bomr.github.GitHub;
+import org.springframework.boot.build.bom.bomr.github.GitHubRepository;
+import org.springframework.boot.build.bom.bomr.github.Issue;
+import org.springframework.boot.build.bom.bomr.github.Milestone;
+import org.springframework.util.StringUtils;
+
+/**
+ * Base class for tasks that upgrade dependencies in a bom.
+ *
+ * @author Andy Wilkinson
+ * @author Moritz Halbritter
+ */
+public abstract class UpgradeDependencies extends DefaultTask {
+
+	private final BomExtension bom;
+
+	@Inject
+	public UpgradeDependencies(BomExtension bom) {
+		this.bom = bom;
+		getThreads().convention(2);
+	}
+
+	@Input
+	@Option(option = "milestone", description = "Milestone to which dependency upgrade issues should be assigned")
+	public abstract Property<String> getMilestone();
+
+	@Input
+	@Optional
+	@Option(option = "threads", description = "Number of Threads to use for update resolution")
+	public abstract Property<Integer> getThreads();
+
+	@Input
+	@Optional
+	@Option(option = "libraries", description = "Regular expression that identifies the libraries to upgrade")
+	public abstract Property<String> getLibraries();
+
+	@Input
+	abstract ListProperty<URI> getRepositoryUris();
+
+	@TaskAction
+	void upgradeDependencies() {
+		GitHubRepository repository = createGitHub().getRepository(this.bom.getUpgrade().getGitHub().getOrganization(),
+				this.bom.getUpgrade().getGitHub().getRepository());
+		List<String> issueLabels = verifyLabels(repository);
+		Milestone milestone = determineMilestone(repository);
+		List<Upgrade> upgrades = resolveUpgrades();
+		applyUpgrades(repository, issueLabels, milestone, upgrades);
+	}
+
+	private void applyUpgrades(GitHubRepository repository, List<String> issueLabels, Milestone milestone,
+			List<Upgrade> upgrades) {
+		Path buildFile = getProject().getBuildFile().toPath();
+		Path gradleProperties = new File(getProject().getRootProject().getProjectDir(), "gradle.properties").toPath();
+		UpgradeApplicator upgradeApplicator = new UpgradeApplicator(buildFile, gradleProperties);
+		List<Issue> existingUpgradeIssues = repository.findIssues(issueLabels, milestone);
+		for (Upgrade upgrade : upgrades) {
+			String title = issueTitle(upgrade);
+			Issue existingUpgradeIssue = findExistingUpgradeIssue(existingUpgradeIssues, upgrade);
+			if (existingUpgradeIssue != null) {
+				if (existingUpgradeIssue.getState() == Issue.State.CLOSED) {
+					System.out.println(title + " (supersedes #" + existingUpgradeIssue.getNumber() + " "
+							+ existingUpgradeIssue.getTitle() + ")");
+				}
+				else {
+					System.out.println(title + " (completes existing upgrade)");
+				}
+			}
+			else {
+				System.out.println(title);
+			}
+			try {
+				Path modified = upgradeApplicator.apply(upgrade);
+				int issueNumber;
+				if (existingUpgradeIssue != null && existingUpgradeIssue.getState() == Issue.State.OPEN) {
+					issueNumber = existingUpgradeIssue.getNumber();
+				}
+				else {
+					issueNumber = repository.openIssue(title,
+							(existingUpgradeIssue != null) ? "Supersedes #" + existingUpgradeIssue.getNumber() : "",
+							issueLabels, milestone);
+					if (existingUpgradeIssue != null && existingUpgradeIssue.getState() == Issue.State.CLOSED) {
+						existingUpgradeIssue.label(Arrays.asList("type: task", "status: superseded"));
+					}
+				}
+				if (new ProcessBuilder().command("git", "add", modified.toFile().getAbsolutePath()).start()
+						.waitFor() != 0) {
+					throw new IllegalStateException("git add failed");
+				}
+				if (new ProcessBuilder().command("git", "commit", "-m", commitMessage(upgrade, issueNumber)).start()
+						.waitFor() != 0) {
+					throw new IllegalStateException("git commit failed");
+				}
+			}
+			catch (IOException ex) {
+				throw new TaskExecutionException(this, ex);
+			}
+			catch (InterruptedException ex) {
+				Thread.currentThread().interrupt();
+			}
+		}
+	}
+
+	private List<String> verifyLabels(GitHubRepository repository) {
+		Set<String> availableLabels = repository.getLabels();
+		List<String> issueLabels = this.bom.getUpgrade().getGitHub().getIssueLabels();
+		if (!availableLabels.containsAll(issueLabels)) {
+			List<String> unknownLabels = new ArrayList<>(issueLabels);
+			unknownLabels.removeAll(availableLabels);
+			throw new InvalidUserDataException(
+					"Unknown label(s): " + StringUtils.collectionToCommaDelimitedString(unknownLabels));
+		}
+		return issueLabels;
+	}
+
+	private GitHub createGitHub() {
+		Properties bomrProperties = new Properties();
+		try (Reader reader = new FileReader(new File(System.getProperty("user.home"), ".bomr.properties"))) {
+			bomrProperties.load(reader);
+			String username = bomrProperties.getProperty("bomr.github.username");
+			String password = bomrProperties.getProperty("bomr.github.password");
+			return GitHub.withCredentials(username, password);
+		}
+		catch (IOException ex) {
+			throw new InvalidUserDataException("Failed to load .bomr.properties from user home", ex);
+		}
+	}
+
+	private Milestone determineMilestone(GitHubRepository repository) {
+		List<Milestone> milestones = repository.getMilestones();
+		java.util.Optional<Milestone> matchingMilestone = milestones.stream()
+				.filter((milestone) -> milestone.getName().equals(getMilestone().get())).findFirst();
+		if (!matchingMilestone.isPresent()) {
+			throw new InvalidUserDataException("Unknown milestone: " + getMilestone().get());
+		}
+		return matchingMilestone.get();
+	}
+
+	private Issue findExistingUpgradeIssue(List<Issue> existingUpgradeIssues, Upgrade upgrade) {
+		String toMatch = "Upgrade to " + upgrade.getLibrary().getName();
+		for (Issue existingUpgradeIssue : existingUpgradeIssues) {
+			if (existingUpgradeIssue.getTitle().substring(0, existingUpgradeIssue.getTitle().lastIndexOf(' '))
+					.equals(toMatch)) {
+				return existingUpgradeIssue;
+			}
+		}
+		return null;
+	}
+
+	@SuppressWarnings("deprecation")
+	private List<Upgrade> resolveUpgrades() {
+		List<Upgrade> upgrades = new InteractiveUpgradeResolver(getServices().get(UserInputHandler.class),
+				new MultithreadedLibraryUpdateResolver(new MavenMetadataVersionResolver(getRepositoryUris().get()),
+						this.bom.getUpgrade().getPolicy(), getThreads().get())).resolveUpgrades(
+								matchingLibraries(getLibraries().getOrNull()), this.bom.getLibraries());
+		return upgrades;
+	}
+
+	private List<Library> matchingLibraries(String pattern) {
+		if (pattern == null) {
+			return this.bom.getLibraries();
+		}
+		Predicate<String> libraryPredicate = Pattern.compile(pattern).asPredicate();
+		List<Library> matchingLibraries = this.bom.getLibraries().stream()
+				.filter((library) -> libraryPredicate.test(library.getName())).toList();
+		if (matchingLibraries.isEmpty()) {
+			throw new InvalidUserDataException("No libraries matched '" + pattern + "'");
+		}
+		return matchingLibraries;
+	}
+
+	protected abstract String issueTitle(Upgrade upgrade);
+
+	protected abstract String commitMessage(Upgrade upgrade, int issueNumber);
+
+}

buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/github/Issue.java

@@ -35,10 +35,13 @@ public class Issue {
 
 	private final String title;
 
-	Issue(RestTemplate rest, int number, String title) {
+	private final State state;
+
+	Issue(RestTemplate rest, int number, String title, State state) {
 		this.rest = rest;
 		this.number = number;
 		this.title = title;
+		this.state = state;
 	}
 
 	public int getNumber() {
@@ -49,6 +52,10 @@ public class Issue {
 		return this.title;
 	}
 
+	public State getState() {
+		return this.state;
+	}
+
 	/**
 	 * Labels the issue with the given {@code labels}. Any existing labels are removed.
 	 * @param labels the labels to apply to the issue
@@ -58,4 +65,30 @@ public class Issue {
 		this.rest.put("issues/" + this.number + "/labels", body);
 	}
 
+	public enum State {
+
+		/**
+		 * The issue is open.
+		 */
+		OPEN,
+
+		/**
+		 * The issue is closed.
+		 */
+		CLOSED;
+
+		static State of(String state) {
+			if ("open".equals(state)) {
+				return OPEN;
+			}
+			if ("closed".equals(state)) {
+				return CLOSED;
+			}
+			else {
+				throw new IllegalArgumentException("Unknown state '" + state + "'");
+			}
+		}
+
+	}
+
 }

buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/github/StandardGitHubRepository.java

@@ -84,7 +84,8 @@ final class StandardGitHubRepository implements GitHubRepository {
 		return get(
 				"issues?per_page=100&state=all&labels=" + String.join(",", labels) + "&milestone="
 						+ milestone.getNumber(),
-				(issue) -> new Issue(this.rest, (Integer) issue.get("number"), (String) issue.get("title")));
+				(issue) -> new Issue(this.rest, (Integer) issue.get("number"), (String) issue.get("title"),
+						Issue.State.of((String) issue.get("state"))));
 	}
 
 	@SuppressWarnings({ "rawtypes", "unchecked" })