Added: Include APFS disks in disk space calculation.

src/NzbDrone.Mono/Disk/DiskProvider.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -116,21 +116,14 @@ namespace NzbDrone.Mono.Disk
 
         public override List<IMount> GetMounts()
         {
-			var mounts = GetDriveInfoMounts().Select(d => new DriveInfoMount(d, FindDriveType.Find(d.DriveFormat)))
+            return _procMountProvider.GetMounts()
-											 .Where(d => d.DriveType == DriveType.Fixed || d.DriveType == DriveType.Network || d.DriveType == DriveType.Removable);
+                                     .Concat(GetDriveInfoMounts()
-
+                                                 .Select(d => new DriveInfoMount(d, FindDriveType.Find(d.DriveFormat)))
-
+                                                 .Where(d => d.DriveType == DriveType.Fixed ||
-
+                                                             d.DriveType == DriveType.Network ||
-			var procMounts = _procMountProvider.GetMounts();
+                                                             d.DriveType == DriveType.Removable))
-
+                                     .DistinctBy(v => v.RootDirectory)
-			if (procMounts != null)
+                                     .ToList();
-			{
-				return mounts.Concat(procMounts).DistinctBy(v => v.RootDirectory)
-									   .ToList();
-			}
-
-			return mounts.Cast<IMount>().DistinctBy(v => v.RootDirectory)
-									   .ToList();
         }
 
         public override long? GetTotalSize(string path)

src/NzbDrone.Mono/Disk/FindDriveType.cs

@@ -1,4 +1,4 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.IO;
 using NzbDrone.Common.Extensions;
 
@@ -9,6 +9,7 @@ namespace NzbDrone.Mono.Disk
         private static readonly Dictionary<string, DriveType> DriveTypeMap = new Dictionary<string, DriveType>
                                                                                   {
                                                                                       { "afpfs", DriveType.Network },
+                                                                                      { "apfs", DriveType.Fixed },
                                                                                       { "zfs", DriveType.Fixed }
                                                                                   };