Improvements to release publishing.

Added support for snapshot publishing.

lib/src/main/java/rife/bld/WebProject.java

@@ -6,6 +6,7 @@ package rife.bld;
 
 import rife.bld.help.*;
 import rife.bld.operations.*;
+import rife.bld.publish.PublishArtifact;
 
 import java.io.File;
 import java.util.List;
@@ -78,8 +79,8 @@ public class WebProject extends Project {
         new WarOperation().fromProject(this).execute();
 
         var operation = new PublishOperation().fromProject(this);
-        operation.artifacts().add(new File(buildDistDirectory(), uberJarFileName()));
-        operation.artifacts().add(new File(buildDistDirectory(), warFileName()));
+        operation.artifacts().add(new PublishArtifact(new File(buildDistDirectory(), uberJarFileName()), "uber", "jar"));
+        operation.artifacts().add(new PublishArtifact(new File(buildDistDirectory(), warFileName()), "", "war"));
         operation.execute();
     }
 

lib/src/main/java/rife/bld/blueprints/BlankProjectBlueprint.java

@@ -23,12 +23,16 @@ import static rife.bld.dependencies.Scope.test;
  */
 public class BlankProjectBlueprint extends Project {
     public BlankProjectBlueprint(File work, String packageName, String projectName) {
+        this(work, packageName, projectName, new VersionNumber(0,0,1));
+    }
+
+    public BlankProjectBlueprint(File work, String packageName, String projectName, VersionNumber versionNumber) {
         workDirectory = work;
 
         pkg = packageName;
         name = projectName;
         mainClass = packageName + "." + StringUtils.capitalize(projectName) + "Main";
-        version = new VersionNumber(0,0,1);
+        version = versionNumber;
 
         downloadSources = true;
         repositories = List.of(MAVEN_CENTRAL, SONATYPE_SNAPSHOTS);

lib/src/main/java/rife/bld/blueprints/Rife2ProjectBlueprint.java

@@ -25,12 +25,16 @@ import static rife.bld.dependencies.Scope.*;
  */
 public class Rife2ProjectBlueprint extends WebProject {
     public Rife2ProjectBlueprint(File work, String packageName, String projectName) {
+        this(work, packageName, projectName, new VersionNumber(0,0,1));
+    }
+
+    public Rife2ProjectBlueprint(File work, String packageName, String projectName, VersionNumber versionNumber) {
         workDirectory = work;
 
         pkg = packageName;
         name = projectName;
         mainClass = packageName + "." + StringUtils.capitalize(projectName) + "Site";
-        version = new VersionNumber(0,0,1);
+        version = versionNumber;
 
         precompiledTemplateTypes = List.of(TemplateType.HTML);
 

lib/src/main/java/rife/bld/dependencies/VersionNumber.java

@@ -23,7 +23,7 @@ import java.util.regex.Pattern;
  * @since 1.5
  */
 public record VersionNumber(Integer major, Integer minor, Integer revision, String qualifier, String separator) implements Comparable<VersionNumber> {
-    private static final String SNAPSHOT_VERSION = "SNAPSHOT";
+    public static final String SNAPSHOT_QUALIFIER = "SNAPSHOT";
 
     /**
      * Singleton to use when the version is not specified.
@@ -142,6 +142,16 @@ public record VersionNumber(Integer major, Integer minor, Integer revision, Stri
         return new VersionNumber(major, minor, revision, null);
     }
 
+    /**
+     * Retrieves the version number with a different qualifier.
+     *
+     * @return this version number with a different qualifier
+     * @since 1.5.8
+     */
+    public VersionNumber withQualifier(String qualifier) {
+        return new VersionNumber(major, minor, revision, qualifier);
+    }
+
     /**
      * Returns a primitive integer for the major version component.
      *
@@ -180,7 +190,7 @@ public record VersionNumber(Integer major, Integer minor, Integer revision, Stri
      * @since 1.5.8
      */
     public boolean isSnapshot() {
-        return qualifier().toUpperCase().contains(SNAPSHOT_VERSION);
+        return qualifier().toUpperCase().contains(SNAPSHOT_QUALIFIER);
     }
 
     public int compareTo(VersionNumber other) {

lib/src/main/java/rife/bld/dependencies/Xml2MavenMetadata.java

@@ -11,7 +11,13 @@ import rife.xml.Xml2Data;
 import java.util.*;
 import java.util.regex.Pattern;
 
-class Xml2MavenMetadata extends Xml2Data implements MavenMetadata {
+/**
+ * Parses an XML document to generate {@link MavenMetadata}.
+ *
+ * @author Geert Bevin (gbevin[remove] at uwyn dot com)
+ * @since 1.5.8
+ */
+public class Xml2MavenMetadata extends Xml2Data implements MavenMetadata {
     private VersionNumber latest_ = VersionNumber.UNKNOWN;
     private VersionNumber release_ = VersionNumber.UNKNOWN;
     private final List<VersionNumber> versions_;
@@ -62,10 +68,12 @@ class Xml2MavenMetadata extends Xml2Data implements MavenMetadata {
             case "timestamp" -> snapshotTimestamp_ = characterData_.toString();
             case "buildNumber" -> snapshotBuildNumber_ = Integer.parseInt(characterData_.toString());
             case "snapshot" -> {
+                if (!versions_.isEmpty()) {
                     var version = versions_.get(0);
                     snapshot_ = new VersionNumber(version.major(), version.minor(), version.revision(), snapshotTimestamp_ + "-" + snapshotBuildNumber_);
                 }
             }
+        }
 
         characterData_ = null;
     }

lib/src/main/java/rife/bld/operations/PublishOperation.java

@@ -6,6 +6,7 @@ package rife.bld.operations;
 
 import rife.bld.Project;
 import rife.bld.dependencies.*;
+import rife.bld.dependencies.exceptions.ArtifactNotFoundException;
 import rife.bld.operations.exceptions.OperationOptionException;
 import rife.bld.operations.exceptions.UploadException;
 import rife.bld.publish.*;
@@ -19,10 +20,10 @@ import java.nio.file.Files;
 import java.security.*;
 import java.time.ZoneId;
 import java.time.ZonedDateTime;
-import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.List;
 
+import static rife.bld.publish.MetadataBuilder.SNAPSHOT_TIMESTAMP_FORMATTER;
 import static rife.tools.HttpUtils.HEADER_AUTHORIZATION;
 import static rife.tools.HttpUtils.basicAuthorizationHeader;
 import static rife.tools.StringUtils.encodeHexLower;
@@ -34,12 +35,11 @@ import static rife.tools.StringUtils.encodeHexLower;
  * @since 1.5.7
  */
 public class PublishOperation extends AbstractOperation<PublishOperation> {
-    private static final DateTimeFormatter SNAPSHOT_TIMESTAMP_FORMATTER = DateTimeFormatter.ofPattern("yyyyMMdd.HHmmss");
-
+    private ZonedDateTime moment_ = null;
     private Repository repository_;
     private final DependencyScopes dependencies_ = new DependencyScopes();
     private PublishInfo info_ = new PublishInfo();
-    private final List<File> artifacts_ = new ArrayList<>();
+    private final List<PublishArtifact> artifacts_ = new ArrayList<>();
 
     /**
      * Performs the publish operation.
@@ -51,33 +51,90 @@ public class PublishOperation extends AbstractOperation<PublishOperation> {
             throw new OperationOptionException("ERROR: the publication repository should be specified");
         }
 
+        var moment = moment_;
+        if (moment == null) {
+            moment = ZonedDateTime.now();
+        }
+
+        var current_versions = new ArrayList<VersionNumber>();
+        var resolver = new DependencyResolver(List.of(repository()), new Dependency(info().groupId(), info().artifactId(), info().version()));
+        try {
+            current_versions.addAll(resolver.getMavenMetadata().getVersions());
+        } catch (ArtifactNotFoundException e) {
+            // no existing versions could be found
+        }
+
         var client = HttpClient.newHttpClient();
 
         var info_version = info().version();
+        var actual_version = info_version;
+        String snapshot_qualifier = null;
+        // treat a snapshot version differently
+        if (info_version.isSnapshot()) {
+            var snapshot_timestamp = SNAPSHOT_TIMESTAMP_FORMATTER.format(moment.withZoneSameInstant(ZoneId.of("UTC")));
+            ;
+
+            // determine with build number to use
+            var snapshot_build_number = 1;
+            try {
+                var snapshot_meta = resolver.getSnapshotMavenMetadata();
+                snapshot_build_number = snapshot_meta.getSnapshotBuildNumber() + 1;
+            } catch (ArtifactNotFoundException e) {
+                // start the build number from the beginning
+            }
+
+            // adapt the actual version that's use by the artifacts
+            snapshot_qualifier = snapshot_timestamp + "-" + snapshot_build_number;
+            actual_version = info_version.withQualifier(snapshot_qualifier);
+
+            // include version information about each artifact in this snapshot
+            var metadata = new MetadataBuilder();
+            for (var artifact : artifacts()) {
+                metadata.snapshotVersions().add(new SnapshotVersion(artifact.classifier(), artifact.type(), actual_version.toString(), moment));
+            }
+            metadata.snapshotVersions().add(new SnapshotVersion(null, "pom", actual_version.toString(), moment));
+
+            // upload snapshot metadata
+            uploadStringArtifact(client, metadata
+                    .info(info())
+                    .updated(moment)
+                    .snapshot(moment, snapshot_build_number)
+                    .build(),
+                info_version + "/maven-metadata.xml");
+        }
 
         // upload artifacts
         for (var artifact : artifacts()) {
+            var artifact_name = new StringBuilder(info().artifactId()).append("-").append(actual_version);
+            if (!artifact.classifier().isEmpty()) {
+                artifact_name.append("-").append(artifact.classifier());
+            }
+            var type = artifact.type();
+            if (type == null) {
+                type = "jar";
+            }
+            artifact_name.append(".").append(type);
+
             uploadFileArtifact(client,
-                artifact,
-                info_version + "/" + artifact.getName());
+                artifact.file(),
+                info_version + "/" + artifact_name);
         }
 
         // generate and upload pom
         uploadStringArtifact(client,
             new PomBuilder().info(info()).dependencies(dependencies()).build(),
-            info_version + "/" + info().artifactId() + "-" + info_version + ".pom");
+            info_version + "/" + info().artifactId() + "-" + actual_version + ".pom");
 
         // upload metadata
         uploadStringArtifact(client,
-            new MetadataBuilder().info(info()).build(),
+            new MetadataBuilder()
+                .info(info())
+                .updated(moment)
+                .otherVersions(current_versions)
+                .build(),
             "maven-metadata.xml");
     }
 
-    private String createSnapshotTimestamp() {
-        var moment = ZonedDateTime.now();
-        return SNAPSHOT_TIMESTAMP_FORMATTER.format(moment.withZoneSameInstant(ZoneId.of("UTC")));
-    }
-
     private void uploadStringArtifact(HttpClient client, String content, String path)
     throws UploadException {
         try {
@@ -173,7 +230,7 @@ public class PublishOperation extends AbstractOperation<PublishOperation> {
     public PublishOperation fromProject(Project project) {
         repository(project.publishRepository());
         dependencies().include(project.dependencies());
-        artifacts(List.of(new File(project.buildDistDirectory(), project.jarFileName())));
+        artifacts(List.of(new PublishArtifact(new File(project.buildDistDirectory(), project.jarFileName()), "", "jar")));
         var info = project.publishInfo();
         if (info != null) {
             info_ = info;
@@ -193,6 +250,31 @@ public class PublishOperation extends AbstractOperation<PublishOperation> {
         return this;
     }
 
+    /**
+     * Provides the moment of publication.
+     * <p>
+     * If this is not provided, the publication will use the current data and time.
+     *
+     * @param moment the publication moment
+     * @return this operation instance
+     * @since 1.5.8
+     */
+    public PublishOperation moment(ZonedDateTime moment) {
+        moment_ = moment;
+        return this;
+    }
+
+    /**
+     * Retrieves the moment of publication.
+     *
+     * @return the moment of publication; or
+     * {@code null} if it wasn't provided
+     * @since 1.5.8
+     */
+    public ZonedDateTime moment() {
+        return moment_;
+    }
+
     /**
      * Provides the repository to publish to
      *
@@ -224,7 +306,7 @@ public class PublishOperation extends AbstractOperation<PublishOperation> {
      * @return this operation instance
      * @since 1.5.7
      */
-    public PublishOperation artifacts(List<File> artifacts) {
+    public PublishOperation artifacts(List<PublishArtifact> artifacts) {
         artifacts_.addAll(artifacts);
         return this;
     }
@@ -271,7 +353,7 @@ public class PublishOperation extends AbstractOperation<PublishOperation> {
      * @return the list of artifacts to publish
      * @since 1.5.7
      */
-    public List<File> artifacts() {
+    public List<PublishArtifact> artifacts() {
         return artifacts_;
     }
 }

lib/src/main/java/rife/bld/publish/MetadataBuilder.java

@@ -4,12 +4,13 @@
  */
 package rife.bld.publish;
 
+import rife.bld.dependencies.VersionNumber;
 import rife.template.TemplateFactory;
 import rife.tools.StringUtils;
 
 import java.time.*;
 import java.time.format.DateTimeFormatter;
-import java.util.Objects;
+import java.util.*;
 
 /**
  * Provides the functionalities to build a Maven metadata xml file.
@@ -18,10 +19,15 @@ import java.util.Objects;
  * @since 1.5.7
  */
 public class MetadataBuilder {
-    private static final DateTimeFormatter TIMESTAMP_FORMATTER = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
+    public static final DateTimeFormatter TIMESTAMP_FORMATTER = DateTimeFormatter.ofPattern("yyyyMMddHHmmss");
+    public static final DateTimeFormatter SNAPSHOT_TIMESTAMP_FORMATTER = DateTimeFormatter.ofPattern("yyyyMMdd.HHmmss");
 
     private PublishInfo info_ = null;
     private ZonedDateTime timestamp_ = null;
+    private final SortedSet<VersionNumber> otherVersions_ = new TreeSet<>(Collections.reverseOrder());
+    private ZonedDateTime snapshotTimestamp_ = null;
+    private Integer snapshotBuildNumber_ = null;
+    private final List<SnapshotVersion> snapshotVersions_ = new ArrayList<>();
 
     /**
      * Provides the publishing info to build the metadata for.
@@ -67,6 +73,91 @@ public class MetadataBuilder {
         return timestamp_;
     }
 
+    /**
+     * Provides the other versions for the metadata.
+     *
+     * @param otherVersions the other versions to include
+     * @return this {@code MetadataBuilder} instance
+     * @since 1.5.8
+     */
+    public MetadataBuilder otherVersions(Collection<VersionNumber> otherVersions) {
+        otherVersions_.addAll(otherVersions);
+        return this;
+    }
+
+    /**
+     * Retrieves the other versions for the metadata.
+     * <p>
+     * This is a modifiable set that can be retrieved and changed.
+     *
+     * @return the other versions
+     * @since 1.5.8
+     */
+    public Set<VersionNumber> otherVersions() {
+        return otherVersions_;
+    }
+
+    /**
+     * Provides the snapshot details for this metadata, this will switch it to
+     * snapshot formatting, which is different from main artifact metadata.
+     *
+     * @param timestamp   the snapshot timestamp
+     * @param buildNumber the snapshot build number
+     * @return this {@code MetadataBuilder} instance
+     * @since 1.5.8
+     */
+    public MetadataBuilder snapshot(ZonedDateTime timestamp, Integer buildNumber) {
+        snapshotTimestamp_ = timestamp;
+        snapshotBuildNumber_ = buildNumber;
+        return this;
+    }
+
+    /**
+     * Retrieves the snapshot timestamp.
+     *
+     * @return the snapshot timestamp; or
+     * {@code null} if this is not snapshot metadata
+     * @since 1.5.8
+     */
+    public ZonedDateTime snapshotTimestamp() {
+        return snapshotTimestamp_;
+    }
+
+    /**
+     * Retrieves the snapshot build number.
+     *
+     * @return the snapshot build number; or
+     * {@code null} if this is not snapshot metadata
+     * @since 1.5.8
+     */
+    public Integer snapshotBuildNumber() {
+        return snapshotBuildNumber_;
+    }
+
+    /**
+     * Provides the snapshot versions for the metadata.
+     *
+     * @param snapshotVersions the snapshot versions to include
+     * @return this {@code MetadataBuilder} instance
+     * @since 1.5.8
+     */
+    public MetadataBuilder snapshotVersions(Collection<SnapshotVersion> snapshotVersions) {
+        snapshotVersions_.addAll(snapshotVersions);
+        return this;
+    }
+
+    /**
+     * Retrieves the snapshot versions for the metadata.
+     * <p>
+     * This is a modifiable set that can be retrieved and changed.
+     *
+     * @return the snapshot versions
+     * @since 1.5.8
+     */
+    public Collection<SnapshotVersion> snapshotVersions() {
+        return snapshotVersions_;
+    }
+
     /**
      * Builds the Maven metadata xml file.
      *
@@ -80,10 +171,53 @@ public class MetadataBuilder {
         if (info != null) {
             t.setValueEncoded("groupId", Objects.requireNonNullElse(info.groupId(), ""));
             t.setValueEncoded("artifactId", Objects.requireNonNullElse(info.artifactId(), ""));
-            t.setValueEncoded("version", Objects.requireNonNullElse(info.version(), ""));
         }
-        if (timestamp_ != null) {
-            t.setValueEncoded("timestamp", Objects.requireNonNullElse(TIMESTAMP_FORMATTER.format(updated().withZoneSameInstant(ZoneId.of("UTC"))), ""));
+        if (snapshotTimestamp() != null && snapshotBuildNumber() != null) {
+            t.setValueEncoded("mainVersion", Objects.requireNonNullElse(info.version(), ""));
+            t.setBlock("mainVersion-tag");
+
+            t.setValueEncoded("snapshot-timestamp", SNAPSHOT_TIMESTAMP_FORMATTER.format(snapshotTimestamp().withZoneSameInstant(ZoneId.of("UTC"))));
+            t.setValueEncoded("snapshot-buildNumber", snapshotBuildNumber());
+            t.setBlock("snapshot-tag");
+
+            if (!snapshotVersions().isEmpty()) {
+                for (var snapshot_version : snapshotVersions()) {
+                    if (snapshot_version.classifier().isEmpty()) {
+                        t.blankValue("snapshotVersionClassifier-tag");
+                    } else {
+                        t.setValueEncoded("snapshotVersion-classifier", snapshot_version.classifier());
+                        t.setBlock("snapshotVersionClassifier-tag");
+                    }
+                    t.setValueEncoded("snapshotVersion-extension", Objects.requireNonNullElse(snapshot_version.extension(), ""));
+                    t.setValueEncoded("snapshotVersion-value", Objects.requireNonNullElse(snapshot_version.value(), ""));
+                    t.setValueEncoded("snapshotVersion-updated", Objects.requireNonNullElse(TIMESTAMP_FORMATTER.format(snapshot_version.updated().withZoneSameInstant(ZoneId.of("UTC"))), ""));
+
+                    t.appendBlock("snapshotVersions", "snapshotVersion");
+                }
+                t.setBlock("snapshotVersions-tag");
+            }
+        } else {
+            if (info != null && info.version() != null) {
+                t.setValueEncoded("latestVersion", Objects.requireNonNullElse(info.version(), ""));
+                t.setValueEncoded("releaseVersion", Objects.requireNonNullElse(info.version(), ""));
+                t.setBlock("versionLatest-tag");
+
+                t.setValueEncoded("version", info.version());
+                t.appendBlock("versions", "version");
+            }
+            for (var version : otherVersions()) {
+                if (info == null || info.version() == null || !version.equals(info.version())) {
+                    t.setValueEncoded("version", version);
+                    t.appendBlock("versions", "version");
+                }
+            }
+            if (t.isValueSet("versions")) {
+                t.setBlock("versions-tag");
+            }
+        }
+        if (updated() != null) {
+            t.setValueEncoded("lastUpdated", Objects.requireNonNullElse(TIMESTAMP_FORMATTER.format(updated().withZoneSameInstant(ZoneId.of("UTC"))), ""));
+            t.setBlock("lastUpdated-tag");
         }
 
         return StringUtils.stripBlankLines(t.getContent());

lib/src/main/java/rife/bld/publish/PublishArtifact.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2001-2023 Geert Bevin (gbevin[remove] at uwyn dot com)
+ * Licensed under the Apache License, Version 2.0 (the "License")
+ */
+package rife.bld.publish;
+
+import java.io.File;
+
+/**
+ * Contains the information about an artifact that will be published.
+ *
+ * @param file       the file that will be published
+ * @param classifier the classifier of the artifact
+ * @param type       the type of the artifact
+ * @author Geert Bevin (gbevin[remove] at uwyn dot com)
+ * @since 1.5.8
+ */
+public record PublishArtifact(File file, String classifier, String type) {
+    public PublishArtifact(File file, String classifier, String type) {
+        this.file = file;
+        this.classifier = (classifier == null ? "" : classifier);
+        this.type = (type == null ? "jar" : type);
+    }
+}

lib/src/main/java/rife/bld/publish/SnapshotVersion.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2001-2023 Geert Bevin (gbevin[remove] at uwyn dot com)
+ * Licensed under the Apache License, Version 2.0 (the "License")
+ */
+package rife.bld.publish;
+
+import java.time.ZonedDateTime;
+
+/**
+ * Contains the information to describe a particular artifact in a snapshot version.
+ *
+ * @param classifier the classifier of the artifact
+ * @param extension  the file extension of the artifact
+ * @param value      the version value
+ * @param updated    the timestamp of publication
+ * @author Geert Bevin (gbevin[remove] at uwyn dot com)
+ * @since 1.5.8
+ */
+public record SnapshotVersion(String classifier, String extension, String value, ZonedDateTime updated) {
+    public SnapshotVersion(String classifier, String extension, String value, ZonedDateTime updated) {
+        this.classifier = (classifier == null ? "" : classifier);
+        this.extension = (extension == null ? "jar" : extension);
+        this.value = value;
+        this.updated = updated;
+    }
+}

lib/src/main/resources/templates/bld/maven_metadata_blueprint.xml

@@ -1,13 +1,58 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<metadata>
+<metadata modelVersion="1.1.0">
   <groupId><!--v groupId--><!--/v--></groupId>
   <artifactId><!--v artifactId--><!--/v--></artifactId>
+  <!--v mainVersion-tag--><!--/v-->
+  <!--b mainVersion-tag-->
+  <version><!--v mainVersion--><!--/v--></version>
+  <!--/b-->
+
   <versioning>
-    <latest><!--v version--><!--/v--></latest>
-    <release><!--v version/--></release>
+    <!--v versionLatest-tag--><!--/v-->
+    <!--b versionLatest-tag-->
+    <latest><!--v latestVersion--><!--/v--></latest>
+    <release><!--v releaseVersion--><!--/v--></release>
+    <!--/b-->
+
+    <!--v versions-tag--><!--/v-->
+    <!--b versions-tag-->
     <versions>
-      <version><!--v version/--></version>
+      <!--v versions--><!--/v-->
+      <!--b version-->
+      <version><!--v version--><!--/v--></version>
+      <!--/b-->
     </versions>
-    <lastUpdated><!--v timestamp--><!--/v--></lastUpdated>
+    <!--/b-->
+
+    <!--v snapshot-tag--><!--/v-->
+    <!--b snapshot-tag-->
+    <snapshot>
+      <timestamp><!--v snapshot-timestamp--><!--/v--></timestamp>
+      <buildNumber><!--v snapshot-buildNumber--><!--/v--></buildNumber>
+    </snapshot>
+    <!--/b-->
+
+    <!--v lastUpdated-tag--><!--/v-->
+    <!--b lastUpdated-tag-->
+    <lastUpdated><!--v lastUpdated--><!--/v--></lastUpdated>
+    <!--/b-->
+
+    <!--v snapshotVersions-tag--><!--/v-->
+    <!--b snapshotVersions-tag-->
+    <snapshotVersions>
+      <!--v snapshotVersions--><!--/v-->
+      <!--b snapshotVersion-->
+      <snapshotVersion>
+        <!--v snapshotVersionClassifier-tag--><!--/v-->
+        <!--b snapshotVersionClassifier-tag-->
+        <classifier><!--v snapshotVersion-classifier--><!--/v--></classifier>
+        <!--/b-->
+        <extension><!--v snapshotVersion-extension--><!--/v--></extension>
+        <value><!--v snapshotVersion-value--><!--/v--></value>
+        <updated><!--v snapshotVersion-updated--><!--/v--></updated>
+      </snapshotVersion>
+      <!--/b-->
+    </snapshotVersions>
+    <!--/b-->
   </versioning>
 </metadata>

lib/src/test/java/rife/bld/dependencies/TestVersionNumber.java

@@ -136,4 +136,11 @@ public class TestVersionNumber {
         assertEquals(new VersionNumber(1, 2, 3, null).getBaseVersion(), new VersionNumber(1, 2, 3, null));
         assertEquals(new VersionNumber(1, 2, 3, "beta").getBaseVersion(), new VersionNumber(1, 2, 3, null));
     }
+
+    @Test
+    void testWithQualifier() {
+        assertEquals(new VersionNumber(1, 2, 3, null).withQualifier("SNAPSHOT"), new VersionNumber(1, 2, 3, "SNAPSHOT"));
+        assertEquals(new VersionNumber(1, 2, 3, "beta").withQualifier("SNAPSHOT"), new VersionNumber(1, 2, 3, "SNAPSHOT"));
+        assertEquals(new VersionNumber(1, 2, 4, "beta").withQualifier(null), new VersionNumber(1, 2, 4, null));
+    }
 }

lib/src/test/java/rife/bld/operations/TestPublishOperation.java

@@ -7,16 +7,17 @@ package rife.bld.operations;
 import com.reposilite.ReposiliteLauncherKt;
 import org.json.JSONObject;
 import org.junit.jupiter.api.Test;
-import rife.bld.WebProject;
+import rife.bld.Project;
+import rife.bld.blueprints.BlankProjectBlueprint;
 import rife.bld.dependencies.*;
 import rife.tools.FileUtils;
 import rife.tools.exceptions.FileUtilsErrorException;
 
 import java.io.File;
-import java.net.HttpURLConnection;
 import java.net.URL;
 import java.nio.file.Files;
-import java.util.List;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
 
 import static org.junit.jupiter.api.Assertions.*;
 
@@ -49,13 +50,14 @@ public class TestPublishOperation {
     }
 
     @Test
-    void testExecution()
+    void testPublishRelease()
     throws Exception {
-        var tmp = Files.createTempDirectory("test").toFile();
-        var tmp2 = Files.createTempDirectory("test").toFile();
+        var tmp1 = Files.createTempDirectory("test1").toFile();
+        var tmp2 = Files.createTempDirectory("test2").toFile();
+        var tmp_reposilite = Files.createTempDirectory("test").toFile();
         try {
             var repository = ReposiliteLauncherKt.createWithParameters(
-                "-wd", tmp2.getAbsolutePath(),
+                "-wd", tmp_reposilite.getAbsolutePath(),
                 "-p", "8081",
                 "--token", "manager:passwd");
             repository.launch();
@@ -63,69 +65,333 @@ public class TestPublishOperation {
             // wait for full startup
             Thread.sleep(2000);
 
+            // verify the version doesn't exist
             assertThrows(FileUtilsErrorException.class, () -> FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp")));
             assertThrows(FileUtilsErrorException.class, () -> FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp/0.0.1")));
 
-            var create_operation = new CreateBlankOperation()
-                .workDirectory(tmp)
+            // create a first publication
+            var create_operation1 = new CreateBlankOperation()
+                .workDirectory(tmp1)
                 .packageName("test.pkg")
                 .projectName("myapp")
                 .downloadDependencies(true);
-            create_operation.execute();
+            create_operation1.execute();
 
             new CompileOperation()
-                .fromProject(create_operation.project())
+                .fromProject(create_operation1.project())
                 .execute();
 
-            var jar_operation = new JarOperation()
-                .fromProject(create_operation.project());
-            jar_operation.execute();
+            var jar_operation1 = new JarOperation()
+                .fromProject(create_operation1.project());
+            jar_operation1.execute();
 
-            var operation = new PublishOperation()
-                .fromProject(create_operation.project())
+            var publish_operation1 = new PublishOperation()
+                .fromProject(create_operation1.project())
                 .repository(new Repository("http://localhost:8081/releases", "manager", "passwd"));
-            operation.execute();
+            publish_operation1.execute();
 
-            var dir_json = new JSONObject(FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp")));
-            assertEquals("myapp", dir_json.get("name"));
-            var dir_files_json = dir_json.getJSONArray("files");
-            assertEquals(6, dir_files_json.length());
-            assertEquals("0.0.1", dir_files_json.getJSONObject(0).get("name"));
-            assertEquals("maven-metadata.xml.md5", dir_files_json.getJSONObject(1).get("name"));
-            assertEquals("maven-metadata.xml.sha1", dir_files_json.getJSONObject(2).get("name"));
-            assertEquals("maven-metadata.xml.sha256", dir_files_json.getJSONObject(3).get("name"));
-            assertEquals("maven-metadata.xml.sha512", dir_files_json.getJSONObject(4).get("name"));
-            assertEquals("maven-metadata.xml", dir_files_json.getJSONObject(5).get("name"));
+            var dir_json1 = new JSONObject(FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp")));
+            assertEquals("myapp", dir_json1.get("name"));
+            var dir_files_json1 = dir_json1.getJSONArray("files");
+            assertEquals(6, dir_files_json1.length());
+            assertEquals("0.0.1", dir_files_json1.getJSONObject(0).get("name"));
+            assertEquals("maven-metadata.xml.md5", dir_files_json1.getJSONObject(1).get("name"));
+            assertEquals("maven-metadata.xml.sha1", dir_files_json1.getJSONObject(2).get("name"));
+            assertEquals("maven-metadata.xml.sha256", dir_files_json1.getJSONObject(3).get("name"));
+            assertEquals("maven-metadata.xml.sha512", dir_files_json1.getJSONObject(4).get("name"));
+            assertEquals("maven-metadata.xml", dir_files_json1.getJSONObject(5).get("name"));
 
-            var version_json = new JSONObject(FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp/0.0.1")));
-            assertEquals("0.0.1", version_json.get("name"));
-            var version_files_json = version_json.getJSONArray("files");
-            assertEquals(10, version_files_json.length());
-            assertEquals("myapp-0.0.1.jar.md5", version_files_json.getJSONObject(0).get("name"));
-            assertEquals("myapp-0.0.1.jar.sha1", version_files_json.getJSONObject(1).get("name"));
-            assertEquals("myapp-0.0.1.jar.sha256", version_files_json.getJSONObject(2).get("name"));
-            assertEquals("myapp-0.0.1.jar.sha512", version_files_json.getJSONObject(3).get("name"));
-            assertEquals("myapp-0.0.1.jar", version_files_json.getJSONObject(4).get("name"));
-            assertEquals("myapp-0.0.1.pom.md5", version_files_json.getJSONObject(5).get("name"));
-            assertEquals("myapp-0.0.1.pom.sha1", version_files_json.getJSONObject(6).get("name"));
-            assertEquals("myapp-0.0.1.pom.sha256", version_files_json.getJSONObject(7).get("name"));
-            assertEquals("myapp-0.0.1.pom.sha512", version_files_json.getJSONObject(8).get("name"));
-            assertEquals("myapp-0.0.1.pom", version_files_json.getJSONObject(9).get("name"));
+            var maven_metadata1 = new Xml2MavenMetadata();
+            maven_metadata1.processXml(FileUtils.readString(new URL("http://localhost:8081/releases/test/pkg/myapp/maven-metadata.xml")));
+            assertEquals(create_operation1.project().version(), maven_metadata1.getLatest());
+            assertEquals(create_operation1.project().version(), maven_metadata1.getRelease());
+            assertEquals(VersionNumber.UNKNOWN, maven_metadata1.getSnapshot());
+            assertNull(maven_metadata1.getSnapshotTimestamp());
+            assertNull(maven_metadata1.getSnapshotBuildNumber());
+            assertEquals(1, maven_metadata1.getVersions().size());
+            assertTrue(maven_metadata1.getVersions().contains(create_operation1.project().version()));
+
+            var version_json1 = new JSONObject(FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp/0.0.1")));
+            assertEquals("0.0.1", version_json1.get("name"));
+            var version_files_json1 = version_json1.getJSONArray("files");
+            assertEquals(10, version_files_json1.length());
+            assertEquals("myapp-0.0.1.jar.md5", version_files_json1.getJSONObject(0).get("name"));
+            assertEquals("myapp-0.0.1.jar.sha1", version_files_json1.getJSONObject(1).get("name"));
+            assertEquals("myapp-0.0.1.jar.sha256", version_files_json1.getJSONObject(2).get("name"));
+            assertEquals("myapp-0.0.1.jar.sha512", version_files_json1.getJSONObject(3).get("name"));
+            assertEquals("myapp-0.0.1.jar", version_files_json1.getJSONObject(4).get("name"));
+            assertEquals("myapp-0.0.1.pom.md5", version_files_json1.getJSONObject(5).get("name"));
+            assertEquals("myapp-0.0.1.pom.sha1", version_files_json1.getJSONObject(6).get("name"));
+            assertEquals("myapp-0.0.1.pom.sha256", version_files_json1.getJSONObject(7).get("name"));
+            assertEquals("myapp-0.0.1.pom.sha512", version_files_json1.getJSONObject(8).get("name"));
+            assertEquals("myapp-0.0.1.pom", version_files_json1.getJSONObject(9).get("name"));
+
+            // created an updated publication
+            var create_operation2 = new CreateBlankOperation() {
+                protected Project createProjectBlueprint() {
+                    return new BlankProjectBlueprint(new File(workDirectory(), projectName()), packageName(), projectName(), new VersionNumber(1,0,0));
+                }
+            }
+                .workDirectory(tmp2)
+                .packageName("test.pkg")
+                .projectName("myapp")
+                .downloadDependencies(true);
+            create_operation2.execute();
+
+            new CompileOperation()
+                .fromProject(create_operation2.project())
+                .execute();
+
+            var jar_operation2 = new JarOperation()
+                .fromProject(create_operation2.project());
+            jar_operation2.execute();
+
+            var publish_operation2 = new PublishOperation()
+                .fromProject(create_operation2.project())
+                .repository(new Repository("http://localhost:8081/releases", "manager", "passwd"));
+            publish_operation2.execute();
+
+            var dir_json2 = new JSONObject(FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp")));
+            assertEquals("myapp", dir_json2.get("name"));
+            var dir_files_json2 = dir_json2.getJSONArray("files");
+            assertEquals(7, dir_files_json2.length());
+            assertEquals("0.0.1", dir_files_json2.getJSONObject(0).get("name"));
+            assertEquals("1.0.0", dir_files_json2.getJSONObject(1).get("name"));
+            assertEquals("maven-metadata.xml.md5", dir_files_json2.getJSONObject(2).get("name"));
+            assertEquals("maven-metadata.xml.sha1", dir_files_json2.getJSONObject(3).get("name"));
+            assertEquals("maven-metadata.xml.sha256", dir_files_json2.getJSONObject(4).get("name"));
+            assertEquals("maven-metadata.xml.sha512", dir_files_json2.getJSONObject(5).get("name"));
+            assertEquals("maven-metadata.xml", dir_files_json2.getJSONObject(6).get("name"));
+
+            var maven_metadata2 = new Xml2MavenMetadata();
+            maven_metadata2.processXml(FileUtils.readString(new URL("http://localhost:8081/releases/test/pkg/myapp/maven-metadata.xml")));
+            assertEquals(create_operation2.project().version(), maven_metadata2.getLatest());
+            assertEquals(create_operation2.project().version(), maven_metadata2.getRelease());
+            assertEquals(VersionNumber.UNKNOWN, maven_metadata2.getSnapshot());
+            assertNull(maven_metadata2.getSnapshotTimestamp());
+            assertNull(maven_metadata2.getSnapshotBuildNumber());
+            assertEquals(2, maven_metadata2.getVersions().size());
+            assertTrue(maven_metadata2.getVersions().contains(create_operation1.project().version()));
+            assertTrue(maven_metadata2.getVersions().contains(create_operation2.project().version()));
+
+            var version_json1b = new JSONObject(FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp/0.0.1")));
+            assertEquals("0.0.1", version_json1b.get("name"));
+            var version_files_json1b = version_json1b.getJSONArray("files");
+            assertEquals(10, version_files_json1b.length());
+            assertEquals("myapp-0.0.1.jar.md5", version_files_json1b.getJSONObject(0).get("name"));
+            assertEquals("myapp-0.0.1.jar.sha1", version_files_json1b.getJSONObject(1).get("name"));
+            assertEquals("myapp-0.0.1.jar.sha256", version_files_json1b.getJSONObject(2).get("name"));
+            assertEquals("myapp-0.0.1.jar.sha512", version_files_json1b.getJSONObject(3).get("name"));
+            assertEquals("myapp-0.0.1.jar", version_files_json1b.getJSONObject(4).get("name"));
+            assertEquals("myapp-0.0.1.pom.md5", version_files_json1b.getJSONObject(5).get("name"));
+            assertEquals("myapp-0.0.1.pom.sha1", version_files_json1b.getJSONObject(6).get("name"));
+            assertEquals("myapp-0.0.1.pom.sha256", version_files_json1b.getJSONObject(7).get("name"));
+            assertEquals("myapp-0.0.1.pom.sha512", version_files_json1b.getJSONObject(8).get("name"));
+            assertEquals("myapp-0.0.1.pom", version_files_json1b.getJSONObject(9).get("name"));
+
+            var version_json2 = new JSONObject(FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp/1.0.0")));
+            assertEquals("1.0.0", version_json2.get("name"));
+            var version_files_json2 = version_json2.getJSONArray("files");
+            assertEquals(10, version_files_json2.length());
+            assertEquals("myapp-1.0.0.jar.md5", version_files_json2.getJSONObject(0).get("name"));
+            assertEquals("myapp-1.0.0.jar.sha1", version_files_json2.getJSONObject(1).get("name"));
+            assertEquals("myapp-1.0.0.jar.sha256", version_files_json2.getJSONObject(2).get("name"));
+            assertEquals("myapp-1.0.0.jar.sha512", version_files_json2.getJSONObject(3).get("name"));
+            assertEquals("myapp-1.0.0.jar", version_files_json2.getJSONObject(4).get("name"));
+            assertEquals("myapp-1.0.0.pom.md5", version_files_json2.getJSONObject(5).get("name"));
+            assertEquals("myapp-1.0.0.pom.sha1", version_files_json2.getJSONObject(6).get("name"));
+            assertEquals("myapp-1.0.0.pom.sha256", version_files_json2.getJSONObject(7).get("name"));
+            assertEquals("myapp-1.0.0.pom.sha512", version_files_json2.getJSONObject(8).get("name"));
+            assertEquals("myapp-1.0.0.pom", version_files_json2.getJSONObject(9).get("name"));
 
             repository.shutdown();
         } finally {
+            FileUtils.deleteDirectory(tmp_reposilite);
             FileUtils.deleteDirectory(tmp2);
-            FileUtils.deleteDirectory(tmp);
+            FileUtils.deleteDirectory(tmp1);
         }
     }
 
     @Test
-    void testFromProject()
+    void testPublishSnapshot()
     throws Exception {
-        var tmp = Files.createTempDirectory("test").toFile();
+        var tmp1 = Files.createTempDirectory("test1").toFile();
+        var tmp2 = Files.createTempDirectory("test2").toFile();
+        var tmp_reposilite = Files.createTempDirectory("test").toFile();
         try {
+            var repository = ReposiliteLauncherKt.createWithParameters(
+                "-wd", tmp_reposilite.getAbsolutePath(),
+                "-p", "8081",
+                "--token", "manager:passwd");
+            repository.launch();
+
+            // wait for full startup
+            Thread.sleep(2000);
+
+            // verify the version doesn't exist
+            assertThrows(FileUtilsErrorException.class, () -> FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp")));
+            assertThrows(FileUtilsErrorException.class, () -> FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp/1.2.3-SNAPSHOT")));
+
+            // create a first publication
+            var create_operation1 = new CreateBlankOperation() {
+                protected Project createProjectBlueprint() {
+                    return new BlankProjectBlueprint(new File(workDirectory(), projectName()), packageName(), projectName(), new VersionNumber(1,2,3,"SNAPSHOT"));
+                }
+            }
+                .workDirectory(tmp1)
+                .packageName("test.pkg")
+                .projectName("myapp")
+                .downloadDependencies(true);
+            create_operation1.execute();
+
+            new CompileOperation()
+                .fromProject(create_operation1.project())
+                .execute();
+
+            var jar_operation1 = new JarOperation()
+                .fromProject(create_operation1.project());
+            jar_operation1.execute();
+
+            var publish_operation1 = new PublishOperation()
+                .fromProject(create_operation1.project())
+                .moment(ZonedDateTime.of(2023, 3, 29, 18, 54, 32, 909, ZoneId.of("America/New_York")))
+                .repository(new Repository("http://localhost:8081/releases", "manager", "passwd"));
+            publish_operation1.execute();
+
+            var dir_json1 = new JSONObject(FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp")));
+            assertEquals("myapp", dir_json1.get("name"));
+            var dir_files_json1 = dir_json1.getJSONArray("files");
+            assertEquals(6, dir_files_json1.length());
+            assertEquals("1.2.3-SNAPSHOT", dir_files_json1.getJSONObject(0).get("name"));
+            assertEquals("maven-metadata.xml.md5", dir_files_json1.getJSONObject(1).get("name"));
+            assertEquals("maven-metadata.xml.sha1", dir_files_json1.getJSONObject(2).get("name"));
+            assertEquals("maven-metadata.xml.sha256", dir_files_json1.getJSONObject(3).get("name"));
+            assertEquals("maven-metadata.xml.sha512", dir_files_json1.getJSONObject(4).get("name"));
+            assertEquals("maven-metadata.xml", dir_files_json1.getJSONObject(5).get("name"));
+
+            var maven_metadata1 = new Xml2MavenMetadata();
+            maven_metadata1.processXml(FileUtils.readString(new URL("http://localhost:8081/releases/test/pkg/myapp/maven-metadata.xml")));
+            assertEquals(create_operation1.project().version(), maven_metadata1.getLatest());
+            assertEquals(create_operation1.project().version(), maven_metadata1.getRelease());
+            assertEquals(VersionNumber.UNKNOWN, maven_metadata1.getSnapshot());
+            assertNull(maven_metadata1.getSnapshotTimestamp());
+            assertNull(maven_metadata1.getSnapshotBuildNumber());
+            assertEquals(1, maven_metadata1.getVersions().size());
+            assertTrue(maven_metadata1.getVersions().contains(create_operation1.project().version()));
+
+            var version_json1 = new JSONObject(FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp/1.2.3-SNAPSHOT")));
+            assertEquals("1.2.3-SNAPSHOT", version_json1.get("name"));
+            var version_files_json1 = version_json1.getJSONArray("files");
+            assertEquals(15, version_files_json1.length());
+            assertEquals("maven-metadata.xml.md5", version_files_json1.getJSONObject(0).get("name"));
+            assertEquals("maven-metadata.xml.sha1", version_files_json1.getJSONObject(1).get("name"));
+            assertEquals("maven-metadata.xml.sha256", version_files_json1.getJSONObject(2).get("name"));
+            assertEquals("maven-metadata.xml.sha512", version_files_json1.getJSONObject(3).get("name"));
+            assertEquals("maven-metadata.xml", version_files_json1.getJSONObject(4).get("name"));
+            assertEquals("myapp-1.2.3-20230329.225432-1.jar.md5", version_files_json1.getJSONObject(5).get("name"));
+            assertEquals("myapp-1.2.3-20230329.225432-1.jar.sha1", version_files_json1.getJSONObject(6).get("name"));
+            assertEquals("myapp-1.2.3-20230329.225432-1.jar.sha256", version_files_json1.getJSONObject(7).get("name"));
+            assertEquals("myapp-1.2.3-20230329.225432-1.jar.sha512", version_files_json1.getJSONObject(8).get("name"));
+            assertEquals("myapp-1.2.3-20230329.225432-1.jar", version_files_json1.getJSONObject(9).get("name"));
+            assertEquals("myapp-1.2.3-20230329.225432-1.pom.md5", version_files_json1.getJSONObject(10).get("name"));
+            assertEquals("myapp-1.2.3-20230329.225432-1.pom.sha1", version_files_json1.getJSONObject(11).get("name"));
+            assertEquals("myapp-1.2.3-20230329.225432-1.pom.sha256", version_files_json1.getJSONObject(12).get("name"));
+            assertEquals("myapp-1.2.3-20230329.225432-1.pom.sha512", version_files_json1.getJSONObject(13).get("name"));
+            assertEquals("myapp-1.2.3-20230329.225432-1.pom", version_files_json1.getJSONObject(14).get("name"));
+
+            var maven_snapshot_metadata1 = new Xml2MavenMetadata();
+            maven_snapshot_metadata1.processXml(FileUtils.readString(new URL("http://localhost:8081/releases/test/pkg/myapp/1.2.3-SNAPSHOT/maven-metadata.xml")));
+            assertEquals(create_operation1.project().version(), maven_snapshot_metadata1.getLatest());
+            assertEquals(VersionNumber.UNKNOWN, maven_snapshot_metadata1.getRelease());
+            assertEquals(new VersionNumber(1,2,3,"20230329.225432-1"), maven_snapshot_metadata1.getSnapshot());
+            assertEquals("20230329.225432", maven_snapshot_metadata1.getSnapshotTimestamp());
+            assertEquals(1, maven_snapshot_metadata1.getSnapshotBuildNumber());
+            assertEquals(1, maven_snapshot_metadata1.getVersions().size());
+            assertTrue(maven_snapshot_metadata1.getVersions().contains(create_operation1.project().version()));
+
+            // created an updated publication
+            var create_operation2 = new CreateBlankOperation() {
+                protected Project createProjectBlueprint() {
+                    return new BlankProjectBlueprint(new File(workDirectory(), projectName()), packageName(), projectName(), new VersionNumber(1,2,3,"SNAPSHOT"));
+                }
+            }
+                .workDirectory(tmp2)
+                .packageName("test.pkg")
+                .projectName("myapp")
+                .downloadDependencies(true);
+            create_operation2.execute();
+
+            new CompileOperation()
+                .fromProject(create_operation2.project())
+                .execute();
+
+            var jar_operation2 = new JarOperation()
+                .fromProject(create_operation2.project());
+            jar_operation2.execute();
+
+            var publish_operation2 = new PublishOperation()
+                .fromProject(create_operation2.project())
+                .moment(ZonedDateTime.of(2023, 3, 30, 13, 17, 29, 89, ZoneId.of("America/New_York")))
+                .repository(new Repository("http://localhost:8081/releases", "manager", "passwd"));
+            publish_operation2.execute();
+
+            var dir_json2 = new JSONObject(FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp")));
+            assertEquals("myapp", dir_json2.get("name"));
+            var dir_files_json2 = dir_json2.getJSONArray("files");
+            assertEquals(6, dir_files_json2.length());
+            assertEquals("1.2.3-SNAPSHOT", dir_files_json2.getJSONObject(0).get("name"));
+            assertEquals("maven-metadata.xml.md5", dir_files_json2.getJSONObject(1).get("name"));
+            assertEquals("maven-metadata.xml.sha1", dir_files_json2.getJSONObject(2).get("name"));
+            assertEquals("maven-metadata.xml.sha256", dir_files_json2.getJSONObject(3).get("name"));
+            assertEquals("maven-metadata.xml.sha512", dir_files_json2.getJSONObject(4).get("name"));
+            assertEquals("maven-metadata.xml", dir_files_json2.getJSONObject(5).get("name"));
+
+            var maven_metadata2 = new Xml2MavenMetadata();
+            maven_metadata2.processXml(FileUtils.readString(new URL("http://localhost:8081/releases/test/pkg/myapp/maven-metadata.xml")));
+            assertEquals(create_operation2.project().version(), maven_metadata2.getLatest());
+            assertEquals(create_operation2.project().version(), maven_metadata2.getRelease());
+            assertEquals(VersionNumber.UNKNOWN, maven_metadata2.getSnapshot());
+            assertNull(maven_metadata2.getSnapshotTimestamp());
+            assertNull(maven_metadata2.getSnapshotBuildNumber());
+            assertEquals(1, maven_metadata2.getVersions().size());
+            assertTrue(maven_metadata2.getVersions().contains(create_operation1.project().version()));
+            assertTrue(maven_metadata2.getVersions().contains(create_operation2.project().version()));
+
+            var version_json2 = new JSONObject(FileUtils.readString(new URL("http://localhost:8081/api/maven/details/releases/test/pkg/myapp/1.2.3-SNAPSHOT")));
+            assertEquals("1.2.3-SNAPSHOT", version_json2.get("name"));
+            var version_files_json2 = version_json2.getJSONArray("files");
+            assertEquals(15, version_files_json2.length());
+            assertEquals("maven-metadata.xml.md5", version_files_json2.getJSONObject(0).get("name"));
+            assertEquals("maven-metadata.xml.sha1", version_files_json2.getJSONObject(1).get("name"));
+            assertEquals("maven-metadata.xml.sha256", version_files_json2.getJSONObject(2).get("name"));
+            assertEquals("maven-metadata.xml.sha512", version_files_json2.getJSONObject(3).get("name"));
+            assertEquals("maven-metadata.xml", version_files_json2.getJSONObject(4).get("name"));
+            assertEquals("myapp-1.2.3-20230330.171729-2.jar.md5", version_files_json2.getJSONObject(5).get("name"));
+            assertEquals("myapp-1.2.3-20230330.171729-2.jar.sha1", version_files_json2.getJSONObject(6).get("name"));
+            assertEquals("myapp-1.2.3-20230330.171729-2.jar.sha256", version_files_json2.getJSONObject(7).get("name"));
+            assertEquals("myapp-1.2.3-20230330.171729-2.jar.sha512", version_files_json2.getJSONObject(8).get("name"));
+            assertEquals("myapp-1.2.3-20230330.171729-2.jar", version_files_json2.getJSONObject(9).get("name"));
+            assertEquals("myapp-1.2.3-20230330.171729-2.pom.md5", version_files_json2.getJSONObject(10).get("name"));
+            assertEquals("myapp-1.2.3-20230330.171729-2.pom.sha1", version_files_json2.getJSONObject(11).get("name"));
+            assertEquals("myapp-1.2.3-20230330.171729-2.pom.sha256", version_files_json2.getJSONObject(12).get("name"));
+            assertEquals("myapp-1.2.3-20230330.171729-2.pom.sha512", version_files_json2.getJSONObject(13).get("name"));
+            assertEquals("myapp-1.2.3-20230330.171729-2.pom", version_files_json2.getJSONObject(14).get("name"));
+
+            var maven_snapshot_metadata2 = new Xml2MavenMetadata();
+            maven_snapshot_metadata2.processXml(FileUtils.readString(new URL("http://localhost:8081/releases/test/pkg/myapp/1.2.3-SNAPSHOT/maven-metadata.xml")));
+            assertEquals(create_operation2.project().version(), maven_snapshot_metadata2.getLatest());
+            assertEquals(VersionNumber.UNKNOWN, maven_snapshot_metadata2.getRelease());
+            assertEquals(new VersionNumber(1,2,3,"20230330.171729-2"), maven_snapshot_metadata2.getSnapshot());
+            assertEquals("20230330.171729", maven_snapshot_metadata2.getSnapshotTimestamp());
+            assertEquals(2, maven_snapshot_metadata2.getSnapshotBuildNumber());
+            assertEquals(1, maven_snapshot_metadata2.getVersions().size());
+            assertTrue(maven_snapshot_metadata2.getVersions().contains(create_operation2.project().version()));
+
+            repository.shutdown();
         } finally {
-            FileUtils.deleteDirectory(tmp);
+            FileUtils.deleteDirectory(tmp_reposilite);
+            FileUtils.deleteDirectory(tmp2);
+            FileUtils.deleteDirectory(tmp1);
         }
     }
 }

lib/src/test/java/rife/bld/publish/TestMetadataBuilder.java

@@ -9,6 +9,7 @@ import rife.bld.dependencies.*;
 
 import java.time.ZoneId;
 import java.time.ZonedDateTime;
+import java.util.List;
 
 import static org.junit.jupiter.api.Assertions.*;
 
@@ -25,16 +26,10 @@ public class TestMetadataBuilder {
         var builder = new MetadataBuilder();
         assertEquals("""
             <?xml version="1.0" encoding="UTF-8"?>
-            <metadata>
+            <metadata modelVersion="1.1.0">
               <groupId></groupId>
               <artifactId></artifactId>
               <versioning>
-                <latest></latest>
-                <release></release>
-                <versions>
-                  <version></version>
-                </versions>
-                <lastUpdated></lastUpdated>
               </versioning>
             </metadata>
             """, builder.build());
@@ -49,7 +44,7 @@ public class TestMetadataBuilder {
                 .version(VersionNumber.parse("1.2.3-SNAPSHOT")));
         assertEquals("""
             <?xml version="1.0" encoding="UTF-8"?>
-            <metadata>
+            <metadata modelVersion="1.1.0">
               <groupId>com.example</groupId>
               <artifactId>myapp</artifactId>
               <versioning>
@@ -58,7 +53,6 @@ public class TestMetadataBuilder {
                 <versions>
                   <version>1.2.3-SNAPSHOT</version>
                 </versions>
-                <lastUpdated></lastUpdated>
               </versioning>
             </metadata>
             """, builder.build());
@@ -70,21 +64,36 @@ public class TestMetadataBuilder {
             .updated(ZonedDateTime.of(2023, 3, 27, 8, 56, 17, 123, ZoneId.of("America/New_York")));
         assertEquals("""
             <?xml version="1.0" encoding="UTF-8"?>
-            <metadata>
+            <metadata modelVersion="1.1.0">
               <groupId></groupId>
               <artifactId></artifactId>
               <versioning>
-                <latest></latest>
-                <release></release>
-                <versions>
-                  <version></version>
-                </versions>
                 <lastUpdated>20230327125617</lastUpdated>
               </versioning>
             </metadata>
             """, builder.build());
     }
 
+    @Test
+    void testOtherVersionsBuild() {
+        var builder = new MetadataBuilder()
+            .otherVersions(List.of(new VersionNumber(6,0,1), new VersionNumber(3,0,2), new VersionNumber(1,0,3), new VersionNumber(3,0,2)));
+        assertEquals("""
+            <?xml version="1.0" encoding="UTF-8"?>
+            <metadata modelVersion="1.1.0">
+              <groupId></groupId>
+              <artifactId></artifactId>
+              <versioning>
+                <versions>
+                  <version>6.0.1</version>
+                  <version>3.0.2</version>
+                  <version>1.0.3</version>
+                </versions>
+              </versioning>
+            </metadata>
+            """, builder.build());
+    }
+
     @Test
     void testCompleteBuild() {
         var builder = new MetadataBuilder()
@@ -92,10 +101,11 @@ public class TestMetadataBuilder {
                 .groupId("com.example")
                 .artifactId("myapp")
                 .version(VersionNumber.parse("1.2.3-SNAPSHOT")))
+            .otherVersions(List.of(new VersionNumber(6,0,1), new VersionNumber(3,0,2), new VersionNumber(1,0,3), new VersionNumber(3,0,2)))
             .updated(ZonedDateTime.of(2023, 3, 27, 8, 56, 17, 123, ZoneId.of("America/New_York")));
         assertEquals("""
             <?xml version="1.0" encoding="UTF-8"?>
-            <metadata>
+            <metadata modelVersion="1.1.0">
               <groupId>com.example</groupId>
               <artifactId>myapp</artifactId>
               <versioning>
@@ -103,10 +113,88 @@ public class TestMetadataBuilder {
                 <release>1.2.3-SNAPSHOT</release>
                 <versions>
                   <version>1.2.3-SNAPSHOT</version>
+                  <version>6.0.1</version>
+                  <version>3.0.2</version>
+                  <version>1.0.3</version>
                 </versions>
                 <lastUpdated>20230327125617</lastUpdated>
               </versioning>
             </metadata>
             """, builder.build());
     }
+
+    @Test
+    void testSnapshot() {
+        var builder = new MetadataBuilder()
+            .info(new PublishInfo()
+                .groupId("com.example")
+                .artifactId("myapp")
+                .version(VersionNumber.parse("1.2.3-SNAPSHOT")))
+            .snapshot(ZonedDateTime.of(2023, 3, 27, 8, 56, 17, 123, ZoneId.of("America/New_York")), 5);
+        assertEquals("""
+            <?xml version="1.0" encoding="UTF-8"?>
+            <metadata modelVersion="1.1.0">
+              <groupId>com.example</groupId>
+              <artifactId>myapp</artifactId>
+              <version>1.2.3-SNAPSHOT</version>
+              <versioning>
+                <snapshot>
+                  <timestamp>20230327.125617</timestamp>
+                  <buildNumber>5</buildNumber>
+                </snapshot>
+              </versioning>
+            </metadata>
+            """, builder.build());
+    }
+
+    @Test
+    void testSnapshotVersions() {
+        var moment = ZonedDateTime.of(2023, 3, 27, 8, 56, 17, 123, ZoneId.of("America/New_York"));
+        var moment2 = ZonedDateTime.of(2023, 3, 27, 8, 56, 17, 123, ZoneId.of("America/New_York"));
+        var moment3 = ZonedDateTime.of(2023, 5, 27, 8, 56, 17, 123, ZoneId.of("America/New_York"));
+        var builder = new MetadataBuilder()
+            .info(new PublishInfo()
+                .groupId("com.example")
+                .artifactId("myapp")
+                .version(VersionNumber.parse("1.2.3-SNAPSHOT")))
+            .snapshot(moment, 5)
+            .snapshotVersions(List.of(
+                new SnapshotVersion("classifier1", "ext1", "123", moment2),
+                new SnapshotVersion("classifier2", "ext2", "456", moment3),
+                new SnapshotVersion("classifier3", "ext3", "789", moment2)));
+        assertEquals("""
+            <?xml version="1.0" encoding="UTF-8"?>
+            <metadata modelVersion="1.1.0">
+              <groupId>com.example</groupId>
+              <artifactId>myapp</artifactId>
+              <version>1.2.3-SNAPSHOT</version>
+              <versioning>
+                <snapshot>
+                  <timestamp>20230327.125617</timestamp>
+                  <buildNumber>5</buildNumber>
+                </snapshot>
+                <snapshotVersions>
+                  <snapshotVersion>
+                    <classifier>classifier1</classifier>
+                    <extension>ext1</extension>
+                    <value>123</value>
+                    <updated>20230327125617</updated>
+                  </snapshotVersion>
+                  <snapshotVersion>
+                    <classifier>classifier2</classifier>
+                    <extension>ext2</extension>
+                    <value>456</value>
+                    <updated>20230527125617</updated>
+                  </snapshotVersion>
+                  <snapshotVersion>
+                    <classifier>classifier3</classifier>
+                    <extension>ext3</extension>
+                    <value>789</value>
+                    <updated>20230327125617</updated>
+                  </snapshotVersion>
+                </snapshotVersions>
+              </versioning>
+            </metadata>
+            """, builder.build());
+    }
 }