OS X and linux can be treated separately

src/NzbDrone.Api/System/SystemModule.cs

@@ -16,7 +16,11 @@ namespace NzbDrone.Api.System
         private readonly IConfigFileProvider _configFileProvider;
         private readonly IDatabase _database;
 
-        public SystemModule(IAppFolderInfo appFolderInfo, IRuntimeInfo runtimeInfo, IRouteCacheProvider routeCacheProvider, IConfigFileProvider configFileProvider, IDatabase database)
+        public SystemModule(IAppFolderInfo appFolderInfo,
+                            IRuntimeInfo runtimeInfo,
+                            IRouteCacheProvider routeCacheProvider,
+                            IConfigFileProvider configFileProvider,
+                            IDatabase database)
             : base("system")
         {
             _appFolderInfo = appFolderInfo;
@@ -41,8 +45,10 @@ namespace NzbDrone.Api.System
                     StartupPath = _appFolderInfo.StartUpFolder,
                     AppData = _appFolderInfo.GetAppDataPath(),
                     OsVersion = OsInfo.Version.ToString(),
+                    IsMonoRuntime = OsInfo.IsMono,
                     IsMono = OsInfo.IsMono,
-                    IsLinux = OsInfo.IsLinux,
+                    IsLinux = OsInfo.IsMono,
+                    IsOsx = OsInfo.IsOsx,
                     IsWindows = OsInfo.IsWindows,
                     Branch = _configFileProvider.Branch,
                     Authentication = _configFileProvider.AuthenticationEnabled,
@@ -50,10 +56,8 @@ namespace NzbDrone.Api.System
                     SqliteVersion = _database.Version,
                     UrlBase = _configFileProvider.UrlBase
                 }.AsResponse();
-
         }
 
-
         private Response GetRoutes()
         {
             return _routeCacheProvider.GetCache().Values.AsResponse();

src/NzbDrone.Common/EnsureThat/EnsureStringExtensions.cs

@@ -100,7 +100,7 @@ namespace NzbDrone.Common.EnsureThat
 
             if (param.Value.IsPathValid()) return param;
 
-            if (OsInfo.IsLinux)
+            if (OsInfo.IsMono)
             {
                 throw ExceptionFactory.CreateForParamValidation(param.Name, string.Format("value [{0}]  is not a valid *nix path. paths must start with /", param.Value));
             }

src/NzbDrone.Common/EnvironmentInfo/AppFolderFactory.cs

@@ -32,7 +32,7 @@ namespace NzbDrone.Common.EnvironmentInfo
         {
             _diskProvider.EnsureFolder(_appFolderInfo.AppDataFolder);
 
-            if (!OsInfo.IsLinux)
+            if (!OsInfo.IsMono)
             {
                 SetPermissions();
             }

src/NzbDrone.Common/EnvironmentInfo/AppFolderInfo.cs

@@ -17,7 +17,7 @@ namespace NzbDrone.Common.EnvironmentInfo
 
         public AppFolderInfo(IStartupContext startupContext)
         {
-            if (OsInfo.IsLinux)
+            if (OsInfo.IsMono)
             {
                 DATA_SPECIAL_FOLDER = Environment.SpecialFolder.ApplicationData;
             }

src/NzbDrone.Common/EnvironmentInfo/OsInfo.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Runtime.InteropServices;
 
 namespace NzbDrone.Common.EnvironmentInfo
 {
@@ -7,34 +8,80 @@ namespace NzbDrone.Common.EnvironmentInfo
 
         static OsInfo()
         {
+            var platform = (int)Environment.OSVersion.Platform;
+
             Version = Environment.OSVersion.Version;
-            IsMono = Type.GetType("Mono.Runtime") != null;
 
-            int platform = (int)Environment.OSVersion.Platform;
-            IsLinux = (platform == 4) || (platform == 6) || (platform == 128);
+            IsMonoRuntime = Type.GetType("Mono.Runtime") != null;           
+            IsMono = (platform == 4) || (platform == 6) || (platform == 128);
+            IsOsx = IsRunningOnMac();
+            IsLinux = IsMono && !IsOsx;
+            IsWindows = !IsMono;
+
+            FirstDayOfWeek = DateTime.Today.GetFirstDayOfWeek().DayOfWeek;
+
+            if (!IsMono)
+            {
+                Os = Os.Windows;
+            }
 
+            else
+            {
+                Os = IsOsx ? Os.Osx : Os.Linux;
+            }
         }
 
         public static Version Version { get; private set; }
-
+        public static bool IsMonoRuntime { get; private set; }
         public static bool IsMono { get; private set; }
-
         public static bool IsLinux { get; private set; }
+        public static bool IsOsx { get; private set; }
+        public static bool IsWindows { get; private set; }
+        public static Os Os { get; private set; }
+        public static DayOfWeek FirstDayOfWeek { get; private set; }
 
-        public static bool IsWindows
+        //Borrowed from: https://github.com/jpobst/Pinta/blob/master/Pinta.Core/Managers/SystemManager.cs
+        //From Managed.Windows.Forms/XplatUI
+        [DllImport("libc")]
+        static extern int uname(IntPtr buf);
+
+        static bool IsRunningOnMac()
         {
-            get
+            var buf = IntPtr.Zero;
+
+            try
             {
-                return !IsLinux;
-            }
-        }
+                buf = Marshal.AllocHGlobal(8192);
+                // This is a hacktastic way of getting sysname from uname ()
+                if (uname(buf) == 0)
+                {
+                    var os = Marshal.PtrToStringAnsi(buf);
 
-        public static DayOfWeek FirstDayOfWeek
-        {
-            get
+                    if (os == "Darwin")
+                    {
+                        return true;
+                    }
+                }
+            }
+            catch
+            {
+            }
+            finally
             {
-                return DateTime.Today.GetFirstDayOfWeek().DayOfWeek;
+                if (buf != IntPtr.Zero)
+                {
+                    Marshal.FreeHGlobal(buf);
+                }
             }
+
+            return false;
         }
     }
+
+    public enum Os
+    {
+        Windows,
+        Linux,
+        Osx
+    }
 }

src/NzbDrone.Common/EnvironmentInfo/RuntimeInfo.cs

@@ -78,7 +78,7 @@ namespace NzbDrone.Common.EnvironmentInfo
                 return (OsInfo.IsWindows &&
                         IsUserInteractive &&
                         ProcessName.Equals(ProcessProvider.NZB_DRONE_CONSOLE_PROCESS_NAME, StringComparison.InvariantCultureIgnoreCase)) ||
-                        OsInfo.IsLinux;
+                        OsInfo.IsMono;
             } 
         }
 

src/NzbDrone.Common/Instrumentation/LogTargets.cs

@@ -31,7 +31,7 @@ namespace NzbDrone.Common.Instrumentation
             }
             else
             {
-                if (inConsole && (OsInfo.IsLinux || new RuntimeInfo(null, new ServiceProvider(new ProcessProvider())).IsUserInteractive))
+                if (inConsole && (OsInfo.IsMono || new RuntimeInfo(null, new ServiceProvider(new ProcessProvider())).IsUserInteractive))
                 {
                     RegisterConsole();
                 }

src/NzbDrone.Common/PathEqualityComparer.cs

@@ -20,7 +20,7 @@ namespace NzbDrone.Common
 
         public int GetHashCode(string obj)
         {
-            if (OsInfo.IsLinux)
+            if (OsInfo.IsMono)
             {
                 return obj.CleanFilePath().GetHashCode();
             }

src/NzbDrone.Common/PathExtensions.cs

@@ -29,7 +29,7 @@ namespace NzbDrone.Common
 
             var info = new FileInfo(path.Trim());
 
-            if (!OsInfo.IsLinux && info.FullName.StartsWith(@"\\")) //UNC
+            if (!OsInfo.IsMono && info.FullName.StartsWith(@"\\")) //UNC
             {
                 return info.FullName.TrimEnd('/', '\\', ' ');
             }
@@ -39,7 +39,7 @@ namespace NzbDrone.Common
 
         public static bool PathEquals(this string firstPath, string secondPath)
         {
-            if (OsInfo.IsLinux)
+            if (OsInfo.IsMono)
             {
                 if (firstPath.Equals(secondPath)) return true;
                 return String.Equals(firstPath.CleanFilePath(), secondPath.CleanFilePath());
@@ -58,7 +58,7 @@ namespace NzbDrone.Common
                 return false;
             }
 
-            if (OsInfo.IsLinux)
+            if (OsInfo.IsMono)
             {
                 return path.StartsWith(Path.DirectorySeparatorChar.ToString());
             }
@@ -97,7 +97,7 @@ namespace NzbDrone.Common
 
         public static string GetActualCasing(this string path)
         {
-            if (OsInfo.IsLinux || path.StartsWith("\\"))
+            if (OsInfo.IsMono || path.StartsWith("\\"))
             {
                 return path;
             }

src/NzbDrone.Core/Lifecycle/LifecycleService.cs

@@ -48,7 +48,7 @@ namespace NzbDrone.Core.Lifecycle
         {
             _logger.Info("Restart requested.");
 
-            if (OsInfo.IsLinux)
+            if (OsInfo.IsMono)
             {
                 _processProvider.SpawnNewProcess(_runtimeInfo.ExecutingApplication, "--terminateexisting --nobrowser");
             }

src/NzbDrone.Core/MediaFiles/EpisodeImport/Specifications/NotUnpackingSpecification.cs

@@ -36,7 +36,7 @@ namespace NzbDrone.Core.MediaFiles.EpisodeImport.Specifications
             {
                 if (Directory.GetParent(localEpisode.Path).Name.StartsWith(workingFolder))
                 {
-                    if (OsInfo.IsLinux)
+                    if (OsInfo.IsMono)
                     {
                         _logger.Trace("{0} is still being unpacked", localEpisode.Path);
                         return false;

src/NzbDrone.Core/MediaFiles/RecycleBinProvider.cs

@@ -73,7 +73,7 @@ namespace NzbDrone.Core.MediaFiles
             {
                 logger.Info("Recycling Bin has not been configured, deleting permanently.");
 
-                if (!OsInfo.IsLinux)
+                if (!OsInfo.IsMono)
                 {
                     logger.Trace(_diskProvider.GetFileAttributes(path));
                 }

src/NzbDrone.Core/Update/UpdateCheckService.cs

@@ -27,7 +27,7 @@ namespace NzbDrone.Core.Update
 
         public UpdatePackage AvailableUpdate()
         {
-            if (OsInfo.IsLinux) return null;
+            if (OsInfo.IsMono) return null;
 
             var latestAvailable = _updatePackageProvider.GetLatestUpdate(_configFileProvider.Branch, BuildInfo.Version);
 

src/NzbDrone.Host/AccessControl/FirewallAdapter.cs

@@ -90,7 +90,7 @@ namespace NzbDrone.Host.AccessControl
 
         private bool IsFirewallEnabled()
         {
-            if (OsInfo.IsLinux) return false;
+            if (OsInfo.IsMono) return false;
 
             try
             {

src/NzbDrone.Host/ApplicationServer.cs

@@ -53,7 +53,7 @@ namespace NzbDrone.Host
 
         public void Start()
         {
-            if (OsInfo.IsLinux)
+            if (OsInfo.IsMono)
             {
                 Console.CancelKeyPress += (sender, eventArgs) => _processProvider.Kill(_processProvider.GetCurrentProcess().Id);
             }
@@ -90,7 +90,7 @@ namespace NzbDrone.Host
 
         public void Handle(ApplicationShutdownRequested message)
         {
-            if (OsInfo.IsLinux)
+            if (OsInfo.IsMono)
             {
                 _processProvider.Kill(_processProvider.GetCurrentProcess().Id);
             }

src/NzbDrone.Host/Bootstrap.cs

@@ -106,12 +106,12 @@ namespace NzbDrone.Host
                 return ApplicationModes.Help;
             }
 
-            if (!OsInfo.IsLinux && startupContext.InstallService)
+            if (!OsInfo.IsMono && startupContext.InstallService)
             {
                 return ApplicationModes.InstallService;
             }
 
-            if (!OsInfo.IsLinux && startupContext.UninstallService)
+            if (!OsInfo.IsMono && startupContext.UninstallService)
             {
                 return ApplicationModes.UninstallService;
             }

src/NzbDrone.Test.Common/AutoMoq/AutoMoqer.cs

@@ -173,7 +173,7 @@ namespace NzbDrone.Test.Common.AutoMoq
         {
             var assemblyName = "NzbDrone.Windows";
 
-            if (OsInfo.IsLinux)
+            if (OsInfo.IsMono)
             {
                 assemblyName = "NzbDrone.Mono";
             }

src/NzbDrone.Test.Common/StringExtensions.cs

@@ -7,7 +7,7 @@ namespace NzbDrone.Test.Common
     {
         public static string AsOsAgnostic(this string path)
         {
-            if (OsInfo.IsLinux)
+            if (OsInfo.IsMono)
             {
                 if (path.Length > 2 && path[1] == ':')
                 {

src/NzbDrone.Test.Common/TestBase.cs

@@ -124,7 +124,7 @@ namespace NzbDrone.Test.Common
 
         protected void WindowsOnly()
         {
-            if (OsInfo.IsLinux)
+            if (OsInfo.IsMono)
             {
                 throw new IgnoreException("windows specific test");
             }
@@ -133,7 +133,7 @@ namespace NzbDrone.Test.Common
 
         protected void LinuxOnly()
         {
-            if (!OsInfo.IsLinux)
+            if (!OsInfo.IsMono)
             {
                 throw new IgnoreException("linux specific test");
             }

src/UI/.idea/jsLinters/jshint.xml

@@ -8,16 +8,16 @@
     <option es3="false" />
     <option forin="true" />
     <option immed="true" />
-    <option latedef="true" />
     <option newcap="true" />
     <option noarg="true" />
     <option noempty="false" />
     <option nonew="true" />
     <option plusplus="false" />
     <option undef="true" />
-    <option unused="true" />
     <option strict="true" />
     <option trailing="false" />
+    <option latedef="true" />
+    <option unused="true" />
     <option quotmark="single" />
     <option maxdepth="3" />
     <option asi="false" />

src/UI/Handlebars/Helpers/System.js

@@ -15,8 +15,8 @@ define(
             return options.inverse(this);
         });
 
-        Handlebars.registerHelper('if_linux', function(options) {
-            if (StatusModel.get('isLinux'))
+        Handlebars.registerHelper('if_mono', function(options) {
+            if (StatusModel.get('isMono'))
             {
                 return options.fn(this);
             }

src/UI/Settings/MediaManagement/Permissions/PermissionsViewTemplate.html

@@ -1,4 +1,4 @@
-{{#if_linux}}
+{{#if_mono}}
 <fieldset class="advanced-setting">
     <legend>Permissions</legend>
 
@@ -67,4 +67,4 @@
         </div>
     </div>
 </fieldset>
-{{/if_linux}}
+{{/if_mono}}