Merge branch '3.3.x'

2024-09-20 20:50:00 -07:00
parent c7984c5705 c81913b76d
commit c7c73be859
10 changed files with 418 additions and 87 deletions
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/BomExtension.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/BomExtension.java
@@ -66,6 +66,7 @@ import org.springframework.boot.build.bom.Library.ProhibitedVersion;
 import org.springframework.boot.build.bom.Library.VersionAlignment;
 import org.springframework.boot.build.bom.bomr.version.DependencyVersion;
 import org.springframework.boot.build.mavenplugin.MavenExec;
+import org.springframework.boot.build.properties.BuildProperties;
 import org.springframework.util.FileCopyUtils;
 import org.springframework.util.PropertyPlaceholderHelper;
 import org.springframework.util.PropertyPlaceholderHelper.PlaceholderResolver;
@@ -78,22 +79,19 @@ import org.springframework.util.PropertyPlaceholderHelper.PlaceholderResolver;
 */
 public class BomExtension {

+	private final Project project;
+
+	private final UpgradeHandler upgradeHandler;
+
 	private final Map<String, DependencyVersion> properties = new LinkedHashMap<>();

 	private final Map<String, String> artifactVersionProperties = new HashMap<>();

 	private final List<Library> libraries = new ArrayList<>();

-	private final UpgradeHandler upgradeHandler;
-
-	private final DependencyHandler dependencyHandler;
-
-	private final Project project;
-
-	public BomExtension(DependencyHandler dependencyHandler, Project project) {
-		this.dependencyHandler = dependencyHandler;
-		this.upgradeHandler = project.getObjects().newInstance(UpgradeHandler.class);
+	public BomExtension(Project project) {
 		this.project = project;
+		this.upgradeHandler = project.getObjects().newInstance(UpgradeHandler.class, project);
 	}

 	public List<Library> getLibraries() {
@@ -105,8 +103,9 @@ public class BomExtension {
 	}

 	public Upgrade getUpgrade() {
-		return new Upgrade(this.upgradeHandler.upgradePolicy, new GitHub(this.upgradeHandler.gitHub.organization,
-				this.upgradeHandler.gitHub.repository, this.upgradeHandler.gitHub.issueLabels));
+		GitHubHandler gitHub = this.upgradeHandler.gitHub;
+		return new Upgrade(this.upgradeHandler.upgradePolicy,
+				new GitHub(gitHub.organization, gitHub.repository, gitHub.issueLabels));
 	}

 	public void library(String name, Action<LibraryHandler> action) {
@@ -196,6 +195,7 @@ public class BomExtension {
 	}

 	private void addLibrary(Library library) {
+		DependencyHandler dependencies = this.project.getDependencies();
 		this.libraries.add(library);
 		String versionProperty = library.getVersionProperty();
 		if (versionProperty != null) {
@@ -203,23 +203,30 @@ public class BomExtension {
 		}
 		for (Group group : library.getGroups()) {
 			for (Module module : group.getModules()) {
-				putArtifactVersionProperty(group.getId(), module.getName(), module.getClassifier(), versionProperty);
-				this.dependencyHandler.getConstraints()
-					.add(JavaPlatformPlugin.API_CONFIGURATION_NAME, createDependencyNotation(group.getId(),
-							module.getName(), library.getVersion().getVersion()));
+				addModule(library, dependencies, versionProperty, group, module);
 			}
 			for (String bomImport : group.getBoms()) {
-				putArtifactVersionProperty(group.getId(), bomImport, versionProperty);
-				String bomDependency = createDependencyNotation(group.getId(), bomImport,
-						library.getVersion().getVersion());
-				this.dependencyHandler.add(JavaPlatformPlugin.API_CONFIGURATION_NAME,
-						this.dependencyHandler.platform(bomDependency));
-				this.dependencyHandler.add(BomPlugin.API_ENFORCED_CONFIGURATION_NAME,
-						this.dependencyHandler.enforcedPlatform(bomDependency));
+				addBomImport(library, dependencies, versionProperty, group, bomImport);
 			}
 		}
 	}

+	private void addModule(Library library, DependencyHandler dependencies, String versionProperty, Group group,
+			Module module) {
+		putArtifactVersionProperty(group.getId(), module.getName(), module.getClassifier(), versionProperty);
+		String constraint = createDependencyNotation(group.getId(), module.getName(),
+				library.getVersion().getVersion());
+		dependencies.getConstraints().add(JavaPlatformPlugin.API_CONFIGURATION_NAME, constraint);
+	}
+
+	private void addBomImport(Library library, DependencyHandler dependencies, String versionProperty, Group group,
+			String bomImport) {
+		putArtifactVersionProperty(group.getId(), bomImport, versionProperty);
+		String bomDependency = createDependencyNotation(group.getId(), bomImport, library.getVersion().getVersion());
+		dependencies.add(JavaPlatformPlugin.API_CONFIGURATION_NAME, dependencies.platform(bomDependency));
+		dependencies.add(BomPlugin.API_ENFORCED_CONFIGURATION_NAME, dependencies.enforcedPlatform(bomDependency));
+	}
+
 	public static class LibraryHandler {

 		private final List<Group> groups = new ArrayList<>();
@@ -501,7 +508,12 @@ public class BomExtension {

 		private UpgradePolicy upgradePolicy;

-		private final GitHubHandler gitHub = new GitHubHandler();
+		private final GitHubHandler gitHub;
+
+		@Inject
+		public UpgradeHandler(Project project) {
+			this.gitHub = new GitHubHandler(project);
+		}

 		public void setPolicy(UpgradePolicy upgradePolicy) {
 			this.upgradePolicy = upgradePolicy;
@@ -536,12 +548,18 @@ public class BomExtension {

 	public static class GitHubHandler {

-		private String organization = "spring-projects";
+		private String organization;

-		private String repository = "spring-boot";
+		private String repository;

 		private List<String> issueLabels;

+		public GitHubHandler(Project project) {
+			BuildProperties buildProperties = BuildProperties.get(project);
+			this.organization = buildProperties.gitHub().organization();
+			this.repository = buildProperties.gitHub().repository();
+		}
+
 		public void setOrganization(String organization) {
 			this.organization = organization;
 		}
@@ -558,9 +576,9 @@ public class BomExtension {

 	public static final class GitHub {

-		private String organization = "spring-projects";
+		private String organization;

-		private String repository = "spring-boot";
+		private String repository;

 		private final List<String> issueLabels;

--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/BomPlugin.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/BomPlugin.java
@@ -60,8 +60,7 @@ public class BomPlugin implements Plugin<Project> {
 		JavaPlatformExtension javaPlatform = project.getExtensions().getByType(JavaPlatformExtension.class);
 		javaPlatform.allowDependencies();
 		createApiEnforcedConfiguration(project);
-		BomExtension bom = project.getExtensions()
-			.create("bom", BomExtension.class, project.getDependencies(), project);
+		BomExtension bom = project.getExtensions().create("bom", BomExtension.class, project);
 		CheckBom checkBom = project.getTasks().create("bomrCheck", CheckBom.class, bom);
 		project.getTasks().named("check").configure((check) -> check.dependsOn(checkBom));
 		project.getTasks().create("bomrUpgrade", UpgradeBom.class, bom);
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/MavenMetadataVersionResolver.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/MavenMetadataVersionResolver.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 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.
@@ -30,11 +30,15 @@ import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.xpath.XPathConstants;
 import javax.xml.xpath.XPathFactory;

+import org.gradle.api.artifacts.repositories.MavenArtifactRepository;
 import org.w3c.dom.Document;
 import org.w3c.dom.NodeList;
 import org.xml.sax.InputSource;

 import org.springframework.boot.build.bom.bomr.version.DependencyVersion;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.converter.StringHttpMessageConverter;
 import org.springframework.web.client.HttpClientErrorException;
@@ -50,42 +54,37 @@ final class MavenMetadataVersionResolver implements VersionResolver {

 	private final RestTemplate rest;

-	private final Collection<URI> repositoryUrls;
+	private final Collection<MavenArtifactRepository> repositories;

-	MavenMetadataVersionResolver(Collection<URI> repositoryUrls) {
-		this(new RestTemplate(Collections.singletonList(new StringHttpMessageConverter())), repositoryUrls);
+	MavenMetadataVersionResolver(Collection<MavenArtifactRepository> repositories) {
+		this(new RestTemplate(Collections.singletonList(new StringHttpMessageConverter())), repositories);
 	}

-	MavenMetadataVersionResolver(RestTemplate restTemplate, Collection<URI> repositoryUrls) {
+	MavenMetadataVersionResolver(RestTemplate restTemplate, Collection<MavenArtifactRepository> repositories) {
 		this.rest = restTemplate;
-		this.repositoryUrls = normalize(repositoryUrls);
-	}
-
-	private Collection<URI> normalize(Collection<URI> uris) {
-		return uris.stream().map(this::normalize).toList();
-	}
-
-	private URI normalize(URI uri) {
-		if ("/".equals(uri.getPath())) {
-			return uri;
-		}
-		return URI.create(uri + "/");
+		this.repositories = repositories;
 	}

 	@Override
 	public SortedSet<DependencyVersion> resolveVersions(String groupId, String artifactId) {
 		Set<String> versions = new HashSet<>();
-		for (URI repositoryUrl : this.repositoryUrls) {
-			versions.addAll(resolveVersions(groupId, artifactId, repositoryUrl));
+		for (MavenArtifactRepository repository : this.repositories) {
+			versions.addAll(resolveVersions(groupId, artifactId, repository));
 		}
 		return versions.stream().map(DependencyVersion::parse).collect(Collectors.toCollection(TreeSet::new));
 	}

-	private Set<String> resolveVersions(String groupId, String artifactId, URI repositoryUrl) {
+	private Set<String> resolveVersions(String groupId, String artifactId, MavenArtifactRepository repository) {
 		Set<String> versions = new HashSet<>();
-		URI url = repositoryUrl.resolve(groupId.replace('.', '/') + "/" + artifactId + "/maven-metadata.xml");
+		URI url = repository.getUrl().resolve(groupId.replace('.', '/') + "/" + artifactId + "/maven-metadata.xml");
 		try {
-			String metadata = this.rest.getForObject(url, String.class);
+			HttpHeaders headers = new HttpHeaders();
+			String username = repository.getCredentials().getUsername();
+			if (username != null) {
+				headers.setBasicAuth(username, repository.getCredentials().getPassword());
+			}
+			HttpEntity<Void> request = new HttpEntity<>(headers);
+			String metadata = this.rest.exchange(url, HttpMethod.GET, request, String.class).getBody();
 			Document metadataDocument = DocumentBuilderFactory.newInstance()
 				.newDocumentBuilder()
 				.parse(new InputSource(new StringReader(metadata)));
@@ -104,7 +103,7 @@ final class MavenMetadataVersionResolver implements VersionResolver {
 		}
 		catch (Exception ex) {
 			System.err.println("Failed to resolve versions for module " + groupId + ":" + artifactId + " in repository "
-					+ repositoryUrl + ": " + ex.getMessage());
+					+ repository + ": " + ex.getMessage());
 		}
 		return versions;
 	}
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/MoveToSnapshots.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/MoveToSnapshots.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2021-2023 the original author or authors.
+ * Copyright 2021-2024 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.
@@ -16,8 +16,8 @@

 package org.springframework.boot.build.bom.bomr;

-import java.net.URI;
 import java.time.OffsetDateTime;
+import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 import java.util.function.BiPredicate;
@@ -34,6 +34,10 @@ import org.springframework.boot.build.bom.Library;
 import org.springframework.boot.build.bom.bomr.ReleaseSchedule.Release;
 import org.springframework.boot.build.bom.bomr.github.Milestone;
 import org.springframework.boot.build.bom.bomr.version.DependencyVersion;
+import org.springframework.boot.build.properties.BuildProperties;
+import org.springframework.boot.build.properties.BuildType;
+import org.springframework.boot.build.repository.SpringRepository;
+import org.springframework.boot.build.repository.SpringRepository.RepositoryType;

 /**
 * A {@link Task} to move to snapshot dependencies.
@@ -44,12 +48,20 @@ public abstract class MoveToSnapshots extends UpgradeDependencies {

 	private static final Logger log = LoggerFactory.getLogger(MoveToSnapshots.class);

-	private final URI REPOSITORY_URI = URI.create("https://repo.spring.io/snapshot/");
-
 	@Inject
 	public MoveToSnapshots(BomExtension bom) {
 		super(bom, true);
-		getRepositoryUris().add(this.REPOSITORY_URI);
+		BuildType buildType = BuildProperties.get(this).buildType();
+		getRepositoryNames().addAll(getSnapshotRepositoryNames(buildType));
+	}
+
+	public static List<String> getSnapshotRepositoryNames(BuildType buildType) {
+		return Arrays.stream(SpringRepository.values())
+			.filter((repository) -> repository.getRepositoryType() == RepositoryType.SNAPSHOT)
+			.filter((repository) -> repository.getBuildType() == BuildType.OPEN_SOURCE
+					|| repository.getBuildType() == buildType)
+			.map(SpringRepository::getName)
+			.toList();
 	}

 	@Override
@@ -83,26 +95,31 @@ public abstract class MoveToSnapshots extends UpgradeDependencies {

 	@Override
 	protected List<BiPredicate<Library, DependencyVersion>> determineUpdatePredicates(Milestone milestone) {
-		ReleaseSchedule releaseSchedule = new ReleaseSchedule();
-		Map<String, List<Release>> releases = releaseSchedule.releasesBetween(OffsetDateTime.now(),
-				milestone.getDueOn());
+		return switch (BuildProperties.get(this).buildType()) {
+			case OPEN_SOURCE -> determineOpenSourceUpdatePredicates(milestone);
+			case COMMERCIAL -> super.determineUpdatePredicates(milestone);
+		};
+	}
+
+	private List<BiPredicate<Library, DependencyVersion>> determineOpenSourceUpdatePredicates(Milestone milestone) {
+		Map<String, List<Release>> scheduledReleases = getScheduledOpenSourceReleases(milestone);
 		List<BiPredicate<Library, DependencyVersion>> predicates = super.determineUpdatePredicates(milestone);
 		predicates.add((library, candidate) -> {
-			List<Release> releasesForLibrary = releases.get(library.getCalendarName());
-			if (releasesForLibrary != null) {
-				for (Release release : releasesForLibrary) {
-					if (candidate.isSnapshotFor(release.getVersion())) {
-						return true;
-					}
-				}
+			List<Release> releases = scheduledReleases.get(library.getCalendarName());
+			boolean match = (releases != null)
+					&& releases.stream().anyMatch((release) -> candidate.isSnapshotFor(release.getVersion()));
+			if (log.isInfoEnabled() && !match) {
+				log.info("Ignoring {}. No release of {} scheduled before {}", candidate, library.getName(),
+						milestone.getDueOn());
 			}
-			if (log.isInfoEnabled()) {
-				log.info("Ignoring " + candidate + ". No release of " + library.getName() + " scheduled before "
-						+ milestone.getDueOn());
-			}
-			return false;
+			return match;
 		});
 		return predicates;
 	}

+	private Map<String, List<Release>> getScheduledOpenSourceReleases(Milestone milestone) {
+		ReleaseSchedule releaseSchedule = new ReleaseSchedule();
+		return releaseSchedule.releasesBetween(OffsetDateTime.now(), milestone.getDueOn());
+	}
+
 }
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/UpgradeBom.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/UpgradeBom.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2023 the original author or authors.
+ * Copyright 2012-2024 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.
@@ -16,14 +16,15 @@

 package org.springframework.boot.build.bom.bomr;

-import java.net.URI;
-
 import javax.inject.Inject;

 import org.gradle.api.Task;
+import org.gradle.api.artifacts.ArtifactRepositoryContainer;
 import org.gradle.api.artifacts.repositories.MavenArtifactRepository;

 import org.springframework.boot.build.bom.BomExtension;
+import org.springframework.boot.build.properties.BuildProperties;
+import org.springframework.boot.build.repository.SpringRepository;

 /**
 * {@link Task} to upgrade the libraries managed by a bom.
@@ -36,14 +37,29 @@ public abstract class UpgradeBom extends UpgradeDependencies {
 	@Inject
 	public UpgradeBom(BomExtension bom) {
 		super(bom);
+		switch (BuildProperties.get(this).buildType()) {
+			case OPEN_SOURCE -> addOpenSourceRepositories();
+			case COMMERCIAL -> addCommercialRepositories();
+		}
+	}
+
+	private void addOpenSourceRepositories() {
 		getProject().getRepositories().withType(MavenArtifactRepository.class, (repository) -> {
-			URI repositoryUrl = repository.getUrl();
-			if (!repositoryUrl.toString().endsWith("snapshot")) {
-				getRepositoryUris().add(repositoryUrl);
+			if (!isSnaphotRepository(repository)) {
+				getRepositoryNames().add(repository.getName());
 			}
 		});
 	}

+	private void addCommercialRepositories() {
+		getRepositoryNames().addAll(ArtifactRepositoryContainer.DEFAULT_MAVEN_CENTRAL_REPO_NAME,
+				SpringRepository.COMMERCIAL_RELEASE.getName());
+	}
+
+	private boolean isSnaphotRepository(MavenArtifactRepository repository) {
+		return repository.getUrl().toString().endsWith("snapshot");
+	}
+
 	@Override
 	protected String issueTitle(Upgrade upgrade) {
 		return "Upgrade to " + upgrade.getLibrary().getName() + " " + upgrade.getVersion();
--- a/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/UpgradeDependencies.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/bom/bomr/UpgradeDependencies.java
@@ -20,10 +20,10 @@ 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.Collection;
 import java.util.List;
 import java.util.Properties;
 import java.util.Set;
@@ -35,6 +35,7 @@ import javax.inject.Inject;

 import org.gradle.api.DefaultTask;
 import org.gradle.api.InvalidUserDataException;
+import org.gradle.api.artifacts.repositories.MavenArtifactRepository;
 import org.gradle.api.internal.tasks.userinput.UserInputHandler;
 import org.gradle.api.provider.ListProperty;
 import org.gradle.api.provider.Property;
@@ -54,7 +55,7 @@ import org.springframework.boot.build.bom.bomr.version.DependencyVersion;
 import org.springframework.util.StringUtils;

 /**
- * Base class for tasks that upgrade dependencies in a bom.
+ * Base class for tasks that upgrade dependencies in a BOM.
 *
 * @author Andy Wilkinson
 * @author Moritz Halbritter
@@ -91,7 +92,7 @@ public abstract class UpgradeDependencies extends DefaultTask {
 	public abstract Property<String> getLibraries();

 	@Input
-	abstract ListProperty<URI> getRepositoryUris();
+	abstract ListProperty<String> getRepositoryNames();

 	@TaskAction
 	void upgradeDependencies() {
@@ -217,12 +218,27 @@ public abstract class UpgradeDependencies extends DefaultTask {

 	@SuppressWarnings("deprecation")
 	private List<Upgrade> resolveUpgrades(Milestone milestone) {
-		List<Upgrade> upgrades = new InteractiveUpgradeResolver(getServices().get(UserInputHandler.class),
-				new MultithreadedLibraryUpdateResolver(getThreads().get(),
-						new StandardLibraryUpdateResolver(new MavenMetadataVersionResolver(getRepositoryUris().get()),
-								determineUpdatePredicates(milestone))))
-			.resolveUpgrades(matchingLibraries(), this.bom.getLibraries());
-		return upgrades;
+		InteractiveUpgradeResolver upgradeResolver = new InteractiveUpgradeResolver(
+				getServices().get(UserInputHandler.class), getLibraryUpdateResolver(milestone));
+		return upgradeResolver.resolveUpgrades(matchingLibraries(), this.bom.getLibraries());
+	}
+
+	private LibraryUpdateResolver getLibraryUpdateResolver(Milestone milestone) {
+		VersionResolver versionResolver = new MavenMetadataVersionResolver(getRepositories());
+		LibraryUpdateResolver libraryResolver = new StandardLibraryUpdateResolver(versionResolver,
+				determineUpdatePredicates(milestone));
+		return new MultithreadedLibraryUpdateResolver(getThreads().get(), libraryResolver);
+	}
+
+	private Collection<MavenArtifactRepository> getRepositories() {
+		return getRepositoryNames().map(this::asRepositories).get();
+	}
+
+	private List<MavenArtifactRepository> asRepositories(List<String> repositoryNames) {
+		return repositoryNames.stream()
+			.map(getProject().getRepositories()::getByName)
+			.map(MavenArtifactRepository.class::cast)
+			.toList();
 	}

 	protected List<BiPredicate<Library, DependencyVersion>> determineUpdatePredicates(Milestone milestone) {
--- a/buildSrc/src/main/java/org/springframework/boot/build/properties/BuildProperties.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/properties/BuildProperties.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2024-2024 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.properties;
+
+import org.gradle.api.Project;
+import org.gradle.api.Task;
+
+/**
+ * Properties that can influence the build.
+ *
+ * @param buildType the build type
+ * @param gitHub GitHub details
+ * @author Phillip Webb
+ */
+public record BuildProperties(BuildType buildType, GitHub gitHub) {
+
+	private static final String PROPERTY_NAME = BuildProperties.class.getName();
+
+	/**
+	 * Get the {@link BuildProperties} for the given {@link Task}.
+	 * @param task the source task
+	 * @return the build properties
+	 */
+	public static BuildProperties get(Task task) {
+		return get(task.getProject());
+	}
+
+	/**
+	 * Get the {@link BuildProperties} for the given {@link Project}.
+	 * @param project the source project
+	 * @return the build properties
+	 */
+	public static BuildProperties get(Project project) {
+		BuildProperties buildProperties = (BuildProperties) project.findProperty(PROPERTY_NAME);
+		if (buildProperties == null) {
+			buildProperties = load(project);
+			project.getExtensions().getExtraProperties().set(PROPERTY_NAME, buildProperties);
+		}
+		return buildProperties;
+	}
+
+	private static BuildProperties load(Project project) {
+		BuildType buildType = buildType(project.findProperty("spring.build-type"));
+		return switch (buildType) {
+			case OPEN_SOURCE -> new BuildProperties(buildType, GitHub.OPEN_SOURCE);
+			case COMMERCIAL -> new BuildProperties(buildType, GitHub.COMMERCIAL);
+		};
+	}
+
+	private static BuildType buildType(Object value) {
+		if (value == null || "oss".equals(value.toString())) {
+			return BuildType.OPEN_SOURCE;
+		}
+		if ("commercial".equals(value.toString())) {
+			return BuildType.COMMERCIAL;
+		}
+		throw new IllegalStateException("Unknown build type property '" + value + "'");
+	}
+
+	/**
+	 * GitHub properties.
+	 *
+	 * @param organization the GitHub organization
+	 * @param repository the GitHub repository
+	 */
+	public record GitHub(String organization, String repository) {
+
+		static final GitHub OPEN_SOURCE = new GitHub("spring-projects", "spring-boot");
+
+		static final GitHub COMMERCIAL = new GitHub("spring-projects", "spring-boot-commercial");
+
+	}
+
+}
--- a/buildSrc/src/main/java/org/springframework/boot/build/properties/BuildType.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/properties/BuildType.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2024-2024 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.properties;
+
+/**
+ * The type of build being performed.
+ *
+ * @author Phillip Webb
+ */
+public enum BuildType {
+
+	/**
+	 * An open source build.
+	 */
+	OPEN_SOURCE,
+
+	/**
+	 * A commercial build.
+	 */
+	COMMERCIAL
+
+}
--- a/buildSrc/src/main/java/org/springframework/boot/build/repository/RepositoryUrl.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/repository/RepositoryUrl.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2024-2024 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.repository;
+
+/**
+ * Utility to build repository URLs.
+ *
+ * @author Phillip Webb
+ */
+final class RepositoryUrl {
+
+	private RepositoryUrl() {
+	}
+
+	static String openSource(String path) {
+		return "https://repo.spring.io" + path;
+	}
+
+	static String commercial(String path) {
+		return "https://usw1.packages.broadcom.com" + path;
+	}
+
+}
--- a/buildSrc/src/main/java/org/springframework/boot/build/repository/SpringRepository.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/repository/SpringRepository.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2024-2024 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.repository;
+
+import org.springframework.boot.build.properties.BuildType;
+
+/**
+ * Enumeration of repositories defined in the order that they should be used.
+ *
+ * @author Phillip Webb
+ */
+public enum SpringRepository {
+
+	/**
+	 * Repository for commercial releases.
+	 */
+	COMMERCIAL_RELEASE("spring-commerical-release", BuildType.COMMERCIAL, RepositoryType.RELEASE,
+			RepositoryUrl.commercial("/spring-enterprise-maven-prod-local")),
+
+	/**
+	 * Repository for open source milestones.
+	 */
+	OSS_MILESTONE("spring-oss-milestone", BuildType.OPEN_SOURCE, RepositoryType.MILESTONE,
+			RepositoryUrl.openSource("/milestone")),
+
+	/**
+	 * Repository for commercial snapshots.
+	 */
+	COMMERCIAL_SNAPSHOT("spring-commerical-snapshot", BuildType.COMMERCIAL, RepositoryType.SNAPSHOT,
+			RepositoryUrl.commercial("/spring-enterprise-maven-dev-local")),
+
+	/**
+	 * Repository for open source snapshots.
+	 */
+	OSS_SNAPSHOT("spring-oss-snapshot", BuildType.OPEN_SOURCE, RepositoryType.SNAPSHOT,
+			RepositoryUrl.openSource("/snapshot"));
+
+	private final String name;
+
+	private final BuildType buildType;
+
+	private final RepositoryType repositoryType;
+
+	private final String url;
+
+	SpringRepository(String name, BuildType buildType, RepositoryType repositoryType, String url) {
+		this.name = name;
+		this.buildType = buildType;
+		this.repositoryType = repositoryType;
+		this.url = url;
+	}
+
+	public String getName() {
+		return this.name;
+	}
+
+	public BuildType getBuildType() {
+		return this.buildType;
+	}
+
+	public RepositoryType getRepositoryType() {
+		return this.repositoryType;
+	}
+
+	public String getUrl() {
+		return this.url;
+	}
+
+	/**
+	 * Repository types.
+	 */
+	public enum RepositoryType {
+
+		/**
+		 * Repository containing release artifacts.
+		 */
+		RELEASE,
+
+		/**
+		 * Repository containing milestone artifacts.
+		 */
+		MILESTONE,
+
+		/**
+		 * Repository containing snapshot artifacts.
+		 */
+		SNAPSHOT
+
+	}
+
+}