streamline runtime level checks

src/Umbraco.Core/Extensions/RuntimeStateExtensions.cs

@@ -5,9 +5,26 @@ namespace Umbraco.Extensions
 {
     public static class RuntimeStateExtensions
     {
+        /// <summary>
+        /// Returns true if the installer is enabled based on the current runtime state
+        /// </summary>
+        /// <param name="state"></param>
+        /// <returns></returns>
+        public static bool EnableInstaller(this IRuntimeState state)
+            => state.Level == RuntimeLevel.Install || state.Level == RuntimeLevel.Upgrade || state.Level == RuntimeLevel.PackageMigrations;
+
         /// <summary>
         /// Returns true if Umbraco <see cref="IRuntimeState"/> is greater than <see cref="RuntimeLevel.BootFailed"/>
         /// </summary>
         public static bool UmbracoCanBoot(this IRuntimeState state) => state.Level > RuntimeLevel.BootFailed;
+
+        /// <summary>
+        /// Returns true if the runtime state indicates that unattended boot logic should execute
+        /// </summary>
+        /// <param name="state"></param>
+        /// <returns></returns>
+        public static bool RunUnattendedBootLogic(this IRuntimeState state)
+            => (state.Reason == RuntimeLevelReason.UpgradeMigrations || state.Reason == RuntimeLevelReason.UpgradePackageMigrations)
+                && state.Level == RuntimeLevel.Run;
     }
 }