update documentation

docs/de/user/admin/index.md

@@ -11,6 +11,6 @@ Im Bereich Administration kann die SCM-Manager Instanz administriert werden. Von
 <!--- AppendLinkContentEnd -->
 
 ### Information
-Auf der Informationsseite in der Administration findet man die aktuelle Version der SCM-Manager Instanz und hilfreiche Links zur Kontaktaufnahme mit dem SCM-Manager Support-Team. 
+Auf der Informationsseite in der Administration findet man die aktuelle Version der SCM-Manager Instanz und hilfreiche Links zur Kontaktaufnahme mit dem SCM-Manager Support-Team. Falls eine neuere Version des SCM-Managers verfügbar ist, wird der Link zum Download-Bereich der offiziellen Webseite angezeigt. 
 
 ![Administration-Information](assets/administration-information.png)

docs/en/user/admin/index.md

@@ -9,6 +9,6 @@ The SCM-Manager instance can be administered in the Administration area. From he
 * [Settings](settings/)
 
 ### Information
-On the information page in the administration area you can find the version of your SCM-Manager instance and helpful links to get in touch with the SCM-Manager support team.
+On the information page in the administration area you can find the version of your SCM-Manager instance and helpful links to get in touch with the SCM-Manager support team. If there is a newer version for SCM-Manager, it will be shown with the link to the download section on the official SCM-Manager homepage.
 
 ![Administration-Information](assets/administration-information.png)

scm-ui/ui-webapp/src/admin/containers/AdminDetails.tsx

@@ -25,7 +25,7 @@ import React from "react";
 import { connect } from "react-redux";
 import { WithTranslation, withTranslation } from "react-i18next";
 import styled from "styled-components";
-import { apiClient, ErrorNotification, Image, Loading, Subtitle, Title } from "@scm-manager/ui-components";
+import { apiClient, Image, Loading, Subtitle, Title } from "@scm-manager/ui-components";
 import { getAppVersion, getReleaseInfoLink } from "../../modules/indexResource";
 
 type Props = WithTranslation & {
@@ -35,7 +35,6 @@ type Props = WithTranslation & {
 
 type State = {
   loading: boolean;
-  error?: Error;
   releaseInfo?: ReleaseInfo;
 };
 
@@ -73,22 +72,20 @@ class AdminDetails extends React.Component<Props, State> {
     const { releaseInfoLink } = this.props;
 
     if (releaseInfoLink) {
+      this.setState({ loading: true });
       apiClient
         .get(releaseInfoLink)
         .then(r => r.json())
         .then(releaseInfo => this.setState({ releaseInfo }))
         .then(() => this.setState({ loading: false }))
-        .catch(error => this.setState({ error }));
+        // ignore errors for this action
+        .catch(() => this.setState({ loading: false }));
     }
   }
 
   render() {
     const { version, t } = this.props;
-    const { loading, error, releaseInfo } = this.state;
-
-    if (error) {
-      return <ErrorNotification error={error} />;
-    }
+    const { loading, releaseInfo } = this.state;
 
     if (loading) {
       return <Loading />;
@@ -124,7 +121,6 @@ class AdminDetails extends React.Component<Props, State> {
             <hr />
           </>
         )}
-
         <BoxShadowBox className="box">
           <article className="media">
             <ImageWrapper className="media-left">

scm-webapp/src/main/java/sonia/scm/admin/ReleaseVersionChecker.java

@@ -77,13 +77,13 @@ public class ReleaseVersionChecker {
         cache.put("latest", latestRelease.get());
         return latestRelease;
       }
+      LOG.info("No newer version found for SCM-Manager");
+      return Optional.empty();
     } catch (IOException e) {
-      // This is an silent action. We don't want the user to get any kind of error for this.
+      // This is a silent action. We don't want the user to get any kind of error for this.
       LOG.info("No newer version found for SCM-Manager");
       return Optional.empty();
     }
-    LOG.info("No newer version found for SCM-Manager");
-    return Optional.empty();
   }
 
   private boolean isNewerVersion(ReleaseInfo releaseInfo) {