feat(core): Promote inceptionYear to property. Resolves #881

core/jreleaser-model/src/main/java/org/jreleaser/model/GitService.java

@@ -742,6 +742,9 @@ public Map<String, Object> props(JReleaserModel model) {
         if (isNotBlank(project.getLicense())) {
             props.put(Constants.KEY_PROJECT_LICENSE, project.getLicense());
         }
+        if (null != project.getInceptionYear()) {
+            props.put(Constants.KEY_PROJECT_INCEPTION_YEAR, project.getInceptionYear());
+        }
         if (isNotBlank(project.getCopyright())) {
             props.put(Constants.KEY_PROJECT_COPYRIGHT, project.getCopyright());
         }

core/jreleaser-model/src/main/java/org/jreleaser/model/JReleaserModel.java

@@ -341,6 +341,9 @@ private void fillProjectProperties(Map<String, Object> props, Project project) {
         if (isNotBlank(project.getLicense())) {
             props.put(Constants.KEY_PROJECT_LICENSE, project.getLicense());
         }
+        if (null != project.getInceptionYear()) {
+            props.put(Constants.KEY_PROJECT_INCEPTION_YEAR, project.getInceptionYear());
+        }
         if (isNotBlank(project.getCopyright())) {
             props.put(Constants.KEY_PROJECT_COPYRIGHT, project.getCopyright());
         }

core/jreleaser-model/src/main/java/org/jreleaser/model/Project.java

@@ -69,6 +69,7 @@ public class Project extends AbstractModelObject<Project> implements Domain, Ext
     private String description;
     private String longDescription;
     private String license;
+    private String inceptionYear;
     private String copyright;
     private String vendor;
     private Stereotype stereotype = Stereotype.NONE;
@@ -91,6 +92,7 @@ public void merge(Project project) {
         this.description = merge(this.description, project.description);
         this.longDescription = merge(this.longDescription, project.longDescription);
         this.license = merge(this.license, project.license);
+        this.inceptionYear = merge(this.inceptionYear, project.inceptionYear);
         this.copyright = merge(this.copyright, project.copyright);
         this.vendor = merge(this.vendor, project.vendor);
         this.stereotype = merge(this.stereotype, project.stereotype);
@@ -224,6 +226,15 @@ public void setLicenseUrl(String licenseUrl) {
         links.setLicense(licenseUrl);
     }
 
+    public String getInceptionYear() {
+        return inceptionYear;
+    }
+
+    public void setInceptionYear(String inceptionYear) {
+        freezeCheck();
+        this.inceptionYear = inceptionYear;
+    }
+
     public String getCopyright() {
         return copyright;
     }
@@ -330,6 +341,7 @@ public Map<String, Object> asMap(boolean full) {
         map.put("description", description);
         map.put("longDescription", longDescription);
         map.put("license", license);
+        map.put("inceptionYear", inceptionYear);
         map.put("copyright", copyright);
         map.put("vendor", vendor);
         map.put("authors", authors);
@@ -618,6 +630,9 @@ public Map<String, Object> props(JReleaserModel model) {
             if (isNotBlank(project.getLicense())) {
                 props.put(Constants.KEY_PROJECT_LICENSE, project.getLicense());
             }
+            if (null != project.getInceptionYear()) {
+                props.put(Constants.KEY_PROJECT_INCEPTION_YEAR, project.getInceptionYear());
+            }
             if (isNotBlank(project.getCopyright())) {
                 props.put(Constants.KEY_PROJECT_COPYRIGHT, project.getCopyright());
             }

core/jreleaser-model/src/main/java/org/jreleaser/model/validation/ProjectValidator.java

@@ -117,16 +117,21 @@ public static void postValidateProject(JReleaserContext context, JReleaserContex
         context.getLogger().debug("project");
         Project project = context.getModel().getProject();
 
+        // TODO: remove in 2.0.0
+        if (null == project.getInceptionYear() &&
+            project.getExtraProperties().containsKey("inceptionYear")) {
+            project.setInceptionYear(project.getExtraProperty("inceptionYear"));
+        }
+
         if (isBlank(project.getCopyright())) {
-            if (project.getExtraProperties().containsKey("inceptionYear") &&
+            if (project.getInceptionYear() != null &&
                 !project.getAuthors().isEmpty()) {
                 project.setCopyright(
-                    project.getExtraProperties().get("inceptionYear") + " " +
+                    project.getInceptionYear() + " " +
                         String.join(",", project.getAuthors()));
             } else {
                 context.nag("0.4.0", "project.copyright must not be blank");
                 project.setCopyright("");
-                // errors.configuration("project.copyright must not be blank");
             }
         }
 

core/jreleaser-templates/src/main/resources/META-INF/jreleaser/templates/init/jreleaser.json.tpl

@@ -15,9 +15,7 @@
       "groupId": "com.acme",
       "version": "8"
     },
-    "extraProperties": {
-      "inceptionYear": "@year@"
-    }
+    "inceptionYear": "@year@"
   },
 
   "release": {

core/jreleaser-templates/src/main/resources/META-INF/jreleaser/templates/init/jreleaser.toml.tpl

@@ -9,7 +9,7 @@
   links.homepage = "https://acme.com/app"
   java.groupId = "com.acme"
   java.version = "8"
-  extraProperties.inceptionYear = "@year@"
+  inceptionYear = "@year@"
 
 [release.github]
   owner = "duke"

core/jreleaser-templates/src/main/resources/META-INF/jreleaser/templates/init/jreleaser.yml.tpl

@@ -12,8 +12,7 @@ project:
   java:
     groupId: com.acme
     version: 8
-  extraProperties:
-    inceptionYear: @year@
+  inceptionYear: @year@
 
 release:
   github:

core/jreleaser-utils/src/main/java/org/jreleaser/util/Constants.java

@@ -70,6 +70,7 @@ public interface Constants {
     String KEY_PROJECT_COPYRIGHT = "projectCopyright";
     String KEY_PROJECT_VENDOR = "projectVendor";
     String KEY_PROJECT_LICENSE = "projectLicense";
+    String KEY_PROJECT_INCEPTION_YEAR = "projectInceptionYear";
     String KEY_PROJECT_LICENSE_URL = "projectLicenseUrl";
     String KEY_PROJECT_AUTHORS_BY_SPACE = "projectAuthorsBySpace";
     String KEY_PROJECT_AUTHORS_BY_COMMA = "projectAuthorsByComma";

plugins/jreleaser-gradle-plugin/src/main/groovy/org/jreleaser/gradle/plugin/dsl/Project.groovy

@@ -47,6 +47,8 @@ interface Project extends ExtraProperties {
 
     Property<String> getLicense()
 
+    Property<String> getInceptionYear()
+
     @Deprecated
     Property<String> getLicenseUrl()
 

plugins/jreleaser-gradle-plugin/src/main/groovy/org/jreleaser/gradle/plugin/internal/KordampJReleaserAdapter.groovy

@@ -37,8 +37,8 @@ class KordampJReleaserAdapter {
         if (!jreleaser.project.description.present) {
             jreleaser.project.description.set(config.info.description)
         }
-        if (!jreleaser.project.website.present) {
-            jreleaser.project.website.set(config.info.links.website)
+        if (!jreleaser.project.links.homepage.present) {
+            jreleaser.project.links.homepage.set(config.info.links.website)
         }
         if (!jreleaser.project.authors.present) {
             jreleaser.project.authors.set(config.info.authors)
@@ -55,12 +55,8 @@ class KordampJReleaserAdapter {
                 jreleaser.project.license.set(license.name)
             }
         }
-        if (jreleaser.project.extraProperties.present) {
-            if (!jreleaser.project.extraProperties.get().containsKey('inceptionYear')) {
-                jreleaser.project.extraProperties.put('inceptionYear', config.info.inceptionYear)
-            }
-        } else {
-            jreleaser.project.extraProperties.put('inceptionYear', config.info.inceptionYear)
+        if (!jreleaser.project.inceptionYear.present) {
+            jreleaser.project.inceptionYear.set(config.info.inceptionYear)
         }
     }
 }

plugins/jreleaser-gradle-plugin/src/main/groovy/org/jreleaser/gradle/plugin/internal/dsl/ProjectImpl.groovy

@@ -48,6 +48,7 @@ class ProjectImpl implements Project {
     final Property<String> description
     final Property<String> longDescription
     final Property<String> website
+    final Property<String> inceptionYear
     final Property<String> license
     final Property<String> licenseUrl
     final Property<String> copyright
@@ -73,6 +74,7 @@ class ProjectImpl implements Project {
         longDescription = objects.property(String).convention(descriptionProvider)
         website = objects.property(String).convention(Providers.notDefined())
         license = objects.property(String).convention(Providers.notDefined())
+        inceptionYear = objects.property(String).convention(Providers.notDefined())
         licenseUrl = objects.property(String).convention(Providers.notDefined())
         copyright = objects.property(String).convention(Providers.notDefined())
         vendor = objects.property(String).convention(Providers.notDefined())
@@ -147,6 +149,7 @@ class ProjectImpl implements Project {
         if (longDescription.present) project.longDescription = longDescription.get()
         if (website.present) project.links.homepage = website.get()
         if (license.present) project.license = license.get()
+        if (inceptionYear.present) project.inceptionYear = inceptionYear.get()
         if (licenseUrl.present) project.links.license = licenseUrl.get()
         if (copyright.present) project.copyright = copyright.get()
         if (vendor.present) project.vendor = vendor.get()

plugins/jreleaser-maven-plugin/src/main/java/org/jreleaser/maven/plugin/internal/JReleaserModelConfigurer.java

@@ -80,9 +80,8 @@ private static void configureProject(Project project, MavenProject mavenProject,
                 project.getLinks().setLicense(license.getUrl());
             }
         }
-        if (!project.getExtraProperties().containsKey("inceptionYear") &&
-            isNotBlank(mavenProject.getInceptionYear())) {
-            project.getExtraProperties().put("inceptionYear", mavenProject.getInceptionYear());
+        if (isBlank(project.getInceptionYear()) && isNotBlank(mavenProject.getInceptionYear())) {
+            project.setInceptionYear(mavenProject.getInceptionYear());
         }
 
         project.getJava().setGroupId(mavenProject.getGroupId());