Update Jenkins CLI subpages to use experimental Manage Jenkins UI (#26316)

Update Jenkins CLI to use experimental Manage Jenkins UI

core/src/main/java/hudson/cli/BuildCommand.java

@@ -221,21 +221,7 @@ public class BuildCommand extends CLICommand {
 
     @Override
     protected void printUsageSummary(PrintStream stderr) {
-        stderr.println(
-                """
-                Starts a build, and optionally waits for a completion.
-                Aside from general scripting use, this command can be
-                used to invoke another job from within a build of one job.
-                With the -s option, this command changes the exit code based on
-                the outcome of the build (exit code 0 indicates a success)
-                and interrupting the command will interrupt the job.
-                With the -f option, this command changes the exit code based on
-                the outcome of the build (exit code 0 indicates a success)
-                however, unlike -s, interrupting the command will not interrupt
-                the job (exit code 125 indicates the command was interrupted).
-                With the -c option, a build will only run if there has been
-                an SCM change."""
-        );
+        stderr.println(Messages.BuildCommand_PrintUsageSummary());
     }
 
     public static class CLICause extends UserIdCause {

core/src/main/resources/hudson/cli/CLIAction/command.jelly

@@ -24,19 +24,21 @@ THE SOFTWARE.
 
 <?jelly escape-by-default='true'?>
 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form" xmlns:i="jelly:fmt">
-  <l:layout title="${command.name}" permission="${app.READ}" type="one-column">
-    <l:breadcrumb title="${command.name}" />
-    <l:main-panel>
-      <h1>
-        Command ${command.name}
-      </h1>
+  <l:settings-subpage title="Command ${command.name}" permission="${app.READ}" includeBreadcrumb="true" noDefer="true">
+    <div class="jenkins-page-description">
+      <j:out value="${h.escape(command.longDescription)}"/>
+    </div>
+
+    <f:section title="${%Command}">
       <j:set var="commandArgs" value="${command.name}${command.singleLineSummary}"/>
-      <st:include page="example.jelly"/>
-      <pre class="jenkins-!-margin-top-3">
-        <j:out value="${h.escape(command.longDescription)}"/>
-        <j:set var="usage" value="${command.usage}"/>
-        <j:if test="${!empty usage}"><br/>${command.usage}</j:if>
-      </pre>
-    </l:main-panel>
-  </l:layout>
+      <st:include page="example.jelly" />
+
+      <j:set var="usage" value="${command.usage}"/>
+      <j:if test="${!empty usage}">
+        <pre class="jenkins-!-margin-top-3">
+          ${command.usage}
+        </pre>
+      </j:if>
+    </f:section>
+  </l:settings-subpage>
 </j:jelly>

core/src/main/resources/hudson/cli/CLIAction/index.properties

@@ -1,4 +1,4 @@
 description=You can access various features in Jenkins through a command-line tool. This can be convenient for scripting\
   \ of routine tasks, bulk updates, troubleshooting, and more.
 instruction1=Download the Jenkins CLI:
-instruction2=Run it as follows
+instruction2=Run it as follows:

core/src/main/resources/hudson/cli/Messages.properties

@@ -68,6 +68,13 @@ SessionIdCommand.ShortDescription=Outputs the session ID, which changes every ti
 UpdateViewCommand.ShortDescription=\
  Updates the view definition XML from stdin. The opposite of the get-view command.
 
+BuildCommand.PrintUsageSummary=Starts a build, and optionally waits for a completion. \
+  Aside from general scripting use, this command can be used to invoke another job from within a build of one job. \
+  With the -s option, this command changes the exit code based on the outcome of the build (exit code 0 indicates a \
+  success) and interrupting the command will interrupt the job. With the -f option, this command changes the exit \
+  code based on the outcome of the build (exit code 0 indicates a success) however, unlike -s, interrupting the \
+  command will not interrupt the job (exit code 125 indicates the command was interrupted). With the -c option, a \
+  build will only run if there has been an SCM change.
 BuildCommand.CLICause.ShortDescription=Started from command line by {0}
 BuildCommand.CLICause.CannotBuildDisabled=\
 Cannot build {0} because it is disabled.

core/src/main/resources/lib/layout/settings-subpage.jelly

@@ -44,6 +44,16 @@ THE SOFTWARE.
     <st:attribute name="header">
       Optional header for the page, falls back to a default header if not set.
     </st:attribute>
+    <st:attribute name="title">
+      <![CDATA[
+      Optional title for the page, falls back to <code>managementLink.displayName</code> if not set.
+      ]]>
+    </st:attribute>
+    <st:attribute name="description">
+      <![CDATA[
+      Optional description for the page, falls back to <code>managementLink.description</code> if not set.
+      ]]>
+    </st:attribute>
     <st:attribute name="includeBreadcrumb">
       <![CDATA[
       Optional breadcrumb, will add a breadcrumb for the current <code>it</code>
@@ -65,8 +75,10 @@ THE SOFTWARE.
   <l:userExperimentalFlag var="newManageJenkins" flagClassName="jenkins.model.experimentalflags.NewManageJenkinsUserExperimentalFlag" />
 
   <j:set var="managementLink" value="${attrs.managementLink ?: it}" />
+  <j:set var="pageTitle" value="${attrs.title ?: managementLink.displayName}" />
+  <j:set var="description" value="${attrs.description ?: managementLink.description}" />
 
-  <l:layout title="${managementLink.displayName} - ${manageJenkinsAction.displayName}"
+  <l:layout title="${pageTitle} - ${manageJenkinsAction.displayName}"
             permission="${attrs.permission}"
             permissions="${attrs.permissions}"
             type="${(newManageJenkins or attrs.includeSidepanel) ? 'two-column' : 'one-column'}">
@@ -75,10 +87,10 @@ THE SOFTWARE.
       <!-- Hacky - this will be improved in subsequent PRs -->
       <j:choose>
         <j:when test="${managementLink.class.name eq 'jenkins.management.ConfigureLink'}">
-          <f:breadcrumb-config-outline title="${managementLink.displayName}" />
+          <f:breadcrumb-config-outline title="${pageTitle}" />
         </j:when>
         <j:otherwise>
-          <l:breadcrumb title="${managementLink.displayName}" />
+          <l:breadcrumb title="${pageTitle}" />
         </j:otherwise>
       </j:choose>
     </j:if>
@@ -114,10 +126,12 @@ THE SOFTWARE.
           <div class="app-settings-container">
             <div class="app-settings-container__inner">
               <j:if test="${!attrs.containsKey('header')}">
-                <l:app-bar title="${managementLink.displayName}" />
-                <div class="jenkins-page-description">
-                  ${managementLink.description}
-                </div>
+                <l:app-bar title="${pageTitle}" />
+                <j:if test="${!empty(description)}">
+                  <div class="jenkins-page-description">
+                    ${description}
+                  </div>
+                </j:if>
               </j:if>
 
               <j:out value="${attrs.header}" />
@@ -155,10 +169,12 @@ THE SOFTWARE.
 
         <l:main-panel>
           <j:if test="${!attrs.containsKey('header')}">
-            <l:app-bar title="${managementLink.displayName}" />
-            <div class="jenkins-page-description">
-              ${managementLink.description}
-            </div>
+            <l:app-bar title="${pageTitle}" />
+            <j:if test="${!empty(description)}">
+              <div class="jenkins-page-description">
+                ${description}
+              </div>
+            </j:if>
           </j:if>
 
           <j:out value="${attrs.header}" />