Provide a description of the update channels inline

Signed-off-by: Morris Jobke <hey@morrisjobke.de>

.gitignore

@@ -32,6 +32,7 @@
 !/apps/testing
 !/apps/admin_audit
 !/apps/updatenotification
+/apps/updatenotification/build
 /apps/updatenotification/js/merged.js
 /apps/updatenotification/js/merged.js.map
 /apps/updatenotification/js/*.hot-update.*

apps/updatenotification/css/admin.css

@@ -31,3 +31,12 @@
 #updatenotification .icon-triangle-n {
 	opacity: 0.5;
 }
+
+#updatenotification .channel-description span {
+	color: #aaa;
+}
+
+#updatenotification .channel-description span strong {
+	color: #555;
+	font-weight: normal;
+}

apps/updatenotification/js-src/components/root.vue

@@ -55,6 +55,12 @@
 			<em>{{ t('updatenotification', 'Note that after a new release it can take some time before it shows up here. We roll out new versions spread out over time to our users and sometimes skip a version when issues are found.') }}</em>
 		</p>
 
+		<p class="channel-description">
+			<span v-html="productionInfoString"></span><br>
+			<span v-html="stableInfoString"></span><br>
+			<span v-html="betaInfoString"></span>
+		</p>
+
 		<p id="oca_updatenotification_groups">
 			{{ t('updatenotification', 'Notify members of the following groups about available updates:') }}
 			<v-select multiple :value="notifyGroups" :options="availableGroups"></v-select><br />
@@ -174,6 +180,18 @@
 					this.missingAppUpdates.length, {
 						version: this.newVersionString
 					});
+			},
+
+			productionInfoString: function() {
+				return t('updatenotification', '<strong>production</strong> will always provide the latest patch level, but not update to the next major release immediately. That update usually happens with the second minor release (x.0.2).');
+			},
+
+			stableInfoString: function() {
+				return t('updatenotification', '<strong>stable</strong> is the most recent stable version. It is suited for production use and will always update to the latest major version.');
+			},
+
+			betaInfoString: function() {
+				return t('updatenotification', '<strong>beta</strong> is a pre-release version only for testing new features, not for production environments.');
 			}
 		},