Add support for Haiku

Author: trungnt2910

src/Cli/Microsoft.DotNet.Cli.Utils/RuntimeEnvironment.cs

@@ -11,7 +11,8 @@ internal enum Platform
         Darwin = 3,
         FreeBSD = 4,
         illumos = 5,
-        Solaris = 6
+        Solaris = 6,
+        Haiku = 7
     }
 
     internal static class RuntimeEnvironment
@@ -45,6 +46,8 @@ private static string GetOSName()
                     return GetDistroId() ?? nameof(Platform.illumos);
                 case Platform.Solaris:
                     return nameof(Platform.Solaris);
+                case Platform.Haiku:
+                    return nameof(Platform.Haiku);
                 default:
                     return nameof(Platform.Unknown);
             }
@@ -67,6 +70,8 @@ private static string GetOSVersion()
                     // RuntimeInformation.OSDescription example on Solaris 11.3:      SunOS 5.11 11.3
                     // we only need the major version; 11
                     return RuntimeInformation.OSDescription.Split(' ')[2].Split('.')[0];
+                case Platform.Haiku:
+                    return Environment.OSVersion.Version.ToString(1);
                 default:
                     return string.Empty;
             }
@@ -251,6 +256,10 @@ private static Platform DetermineOSPlatform()
             {
                 return Platform.Solaris;
             }
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Create("HAIKU")))
+            {
+                return Platform.Haiku;
+            }
 #endif
 
             return Platform.Unknown;

src/Layout/redist/PortableRuntimeIdentifierGraph.json

@@ -64,6 +64,17 @@
         "unix-x64"
       ]
     },
+    "haiku": {
+      "#import": [
+        "unix"
+      ]
+    },
+    "haiku-x64": {
+      "#import": [
+        "haiku",
+        "unix-x64"
+      ]
+    },
     "illumos": {
       "#import": [
         "unix"