working on build scripts

scripts/Microsoft.DotNet.Cli.Build.Framework/BuildTargetResult.cs

@@ -0,0 +1,41 @@
+using System;
+
+namespace Microsoft.DotNet.Cli.Build.Framework
+{
+    public class BuildTargetResult
+    {
+        public BuildTarget Target { get; }
+        public bool Success { get; }
+        public string ErrorMessage { get; }
+        public Exception Exception { get; }
+
+        public BuildTargetResult(BuildTarget target, bool success) : this(target, success, errorMessage: string.Empty) { }
+
+        public BuildTargetResult(BuildTarget target, bool success, Exception exception) : this(target, success, exception.ToString())
+        {
+            Exception = exception;
+        }
+
+        public BuildTargetResult(BuildTarget target, bool success, string errorMessage)
+        {
+            Target = target;
+            Success = success;
+            ErrorMessage = errorMessage;
+        }
+
+        public void EnsureSuccessful()
+        {
+            if(!Success)
+            {
+                if(string.IsNullOrEmpty(ErrorMessage))
+                {
+                    throw new BuildFailureException(Target, Exception);
+                }
+                else
+                {
+                    throw new BuildFailureException(ErrorMessage, Exception, Target);
+                }
+            }
+        }
+    }
+}