From 02d57f1dc450cb438aa7fdca68bceddcebdeec6f Mon Sep 17 00:00:00 2001
From: Daniel Beck <daniel-beck@users.noreply.github.com>
Date: Sun, 15 Mar 2020 15:35:15 +0100
Subject: [PATCH] Highlight when plugins have the adopt-this-plugin label

---
 core/src/main/java/hudson/PluginManager.java  | 28 +++++++++++++++++++
 .../hudson/PluginManager/installed.jelly      |  5 ++++
 .../hudson/PluginManager/installed.properties |  3 ++
 .../hudson/PluginManager/table.jelly          | 13 +++++++--
 .../hudson/PluginManager/table.properties     |  3 ++
 5 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/core/src/main/java/hudson/PluginManager.java b/core/src/main/java/hudson/PluginManager.java
index a235146efc..9b6a987a86 100644
--- a/core/src/main/java/hudson/PluginManager.java
+++ b/core/src/main/java/hudson/PluginManager.java
@@ -126,6 +126,7 @@ import java.net.URL;
 import java.net.URLClassLoader;
 import java.net.URLConnection;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Enumeration;
@@ -2245,6 +2246,33 @@ public abstract class PluginManager extends AbstractModelObject implements OnMas
         return this;
     }
 
+    @Restricted(DoNotUse.class) // Used from table.jelly
+    public boolean isMetaLabel(String label) {
+        return "adopt-this-plugin".equals(label);
+    }
+
+    @Restricted(DoNotUse.class) // Used from table.jelly
+    public boolean hasAdoptThisPluginLabel(UpdateSite.Plugin plugin) {
+        final String[] categories = plugin.categories;
+        if (categories == null) {
+            return false;
+        }
+        return Arrays.asList(categories).contains("adopt-this-plugin");
+    }
+
+    @Restricted(DoNotUse.class) // Used from table.jelly
+    public boolean hasAdoptThisPluginLabel(PluginWrapper plugin) {
+        final UpdateSite.Plugin pluginMeta = Jenkins.get().getUpdateCenter().getPlugin(plugin.getShortName());
+        if (pluginMeta == null) {
+            return false;
+        }
+        final String[] categories = pluginMeta.categories;
+        if (categories == null) {
+            return false;
+        }
+        return Arrays.asList(categories).contains("adopt-this-plugin");
+    }
+
     /**
      * Escape hatch for StaplerProxy-based access control
      */
diff --git a/core/src/main/resources/hudson/PluginManager/installed.jelly b/core/src/main/resources/hudson/PluginManager/installed.jelly
index 954300d4bd..c6ea9155d8 100644
--- a/core/src/main/resources/hudson/PluginManager/installed.jelly
+++ b/core/src/main/resources/hudson/PluginManager/installed.jelly
@@ -111,6 +111,11 @@ THE SOFTWARE.
                         </ul>
                       </div>
                     </j:if>
+                    <j:if test="${it.hasAdoptThisPluginLabel(p)}">
+                      <div class="alert alert-warning">
+                        ${%adoptThisPlugin}
+                      </div>
+                    </j:if>
                   </td>
                   <td class="center pane" style="white-space:normal">
                     <a href="plugin/${p.shortName}/thirdPartyLicenses">
diff --git a/core/src/main/resources/hudson/PluginManager/installed.properties b/core/src/main/resources/hudson/PluginManager/installed.properties
index ab558cbabb..c77d4015dd 100644
--- a/core/src/main/resources/hudson/PluginManager/installed.properties
+++ b/core/src/main/resources/hudson/PluginManager/installed.properties
@@ -26,3 +26,6 @@ detached-uninstall=This plugin may not be safe to uninstall
 detached-possible-dependents=Its functionality was at one point moved out of Jenkins core, and another plugin with a core dependency predating the split may be relying on it implicitly.
 securityWarning=\
   Warning: The currently installed plugin version may not be safe to use. Please review the following security notices:
+adoptThisPlugin=\
+  <strong>This plugin is up for adoption!</strong> We are looking for new maintainers. \
+  Visit our <a href="https://jenkins.io/doc/developer/plugin-governance/adopt-a-plugin/" target="_blank">Adopt a Plugin</a> initiative for more information.
diff --git a/core/src/main/resources/hudson/PluginManager/table.jelly b/core/src/main/resources/hudson/PluginManager/table.jelly
index abf956d516..127b2245f4 100644
--- a/core/src/main/resources/hudson/PluginManager/table.jelly
+++ b/core/src/main/resources/hudson/PluginManager/table.jelly
@@ -76,9 +76,11 @@ THE SOFTWARE.
                       <j:if test="${!p.categories.isEmpty()}">
                         <div class="plugin-manager__categories">
                           <j:forEach var="label" items="${p.categories}">
-                            <span class="plugin-manager__category-label">
-                              ${app.updateCenter.getCategoryDisplayName(label)}
-                            </span>
+                            <j:if test="${!it.isMetaLabel(label)}">
+                              <span class="plugin-manager__category-label">
+                                ${app.updateCenter.getCategoryDisplayName(label)}
+                              </span>
+                            </j:if>
                           </j:forEach>
                         </div>
                       </j:if>
@@ -131,6 +133,11 @@ THE SOFTWARE.
                           </ul>
                         </div>
                       </j:if>
+                      <j:if test="${it.hasAdoptThisPluginLabel(p)}">
+                        <div class="alert alert-warning">
+                          ${%adoptThisPlugin}
+                        </div>
+                      </j:if>
                     </td>
                     <td class="pane"><st:out value="${p.version}" /></td>
                     <td class="pane" data="${p.releaseTimestamp.time}">
diff --git a/core/src/main/resources/hudson/PluginManager/table.properties b/core/src/main/resources/hudson/PluginManager/table.properties
index 15e7cdeb33..d3f06598c4 100644
--- a/core/src/main/resources/hudson/PluginManager/table.properties
+++ b/core/src/main/resources/hudson/PluginManager/table.properties
@@ -46,3 +46,6 @@ depJavaWarning=\
 securityWarning=\
   Warning: This plugin version may not be safe to use. Please review the following security notices:
 ago={0} ago
+adoptThisPlugin=\
+  <strong>This plugin is up for adoption!</strong> We are looking for new maintainers. \
+  Visit our <a href="https://jenkins.io/doc/developer/plugin-governance/adopt-a-plugin/" target="_blank">Adopt a Plugin</a> initiative for more information.