Merge pull request #9698 from dotnet/merges/master-to-release/dev16.8

Merge master to release/dev16.8

Author: KevinRansom

src/fsharp/FSharp.DependencyManager.Nuget/FSharp.DependencyManager.Utilities.fs

@@ -209,10 +209,10 @@ module internal Utilities =
         let succeeded, stdOut, stdErr =
             if not (isRunningOnCoreClr) then
                 // The Desktop build uses "msbuild" to build
-                executeBuild msbuildExePath (arguments "") workingDir
+                executeBuild msbuildExePath (arguments "-v:quiet") workingDir
             else
                 // The coreclr uses "dotnet msbuild" to build
-                executeBuild dotnetHostPath (arguments "msbuild") workingDir
+                executeBuild dotnetHostPath (arguments "msbuild -v:quiet") workingDir
 
         let outputFile = projectPath + ".resolvedReferences.paths"
         let resultOutFile = if succeeded && File.Exists(outputFile) then Some outputFile else None

src/fsharp/fsi/fsi.fs

@@ -2290,6 +2290,16 @@ type internal FsiInteractionProcessor
                 | EndOfFile                    -> istate,defaultArg lastResult (Completed None)   (* drop nextAction on EOF *)
                 | CtrlC                        -> istate,CtrlC                                    (* drop nextAction on CtrlC *)
 
+    /// Execute a single parsed interaction which may contain multiple items to be executed
+    /// independently
+    let executeParsedInteractions (ctok, tcConfig, istate, action, errorLogger: ErrorLogger, lastResult:option<FsiInteractionStepStatus>, cancellationToken: CancellationToken)  =
+        let istate, completed = execParsedInteractions (ctok, tcConfig, istate, action, errorLogger, lastResult, cancellationToken)
+        match completed with
+        | Completed _  ->
+            let istate = fsiDynamicCompiler.CommitDependencyManagerText(ctok, istate, lexResourceManager, errorLogger) 
+            istate, completed
+        | _ -> istate, completed
+
     /// Execute a single parsed interaction on the parser/execute thread.
     let mainThreadProcessAction ctok action istate =         
         try 
@@ -2314,7 +2324,7 @@ type internal FsiInteractionProcessor
 
     let mainThreadProcessParsedInteractions ctok errorLogger (action, istate) cancellationToken = 
       istate |> mainThreadProcessAction ctok (fun ctok tcConfig istate ->
-        execParsedInteractions (ctok, tcConfig, istate, action, errorLogger, None, cancellationToken))
+        executeParsedInteractions (ctok, tcConfig, istate, action, errorLogger, None, cancellationToken))
 
     let parseExpression (tokenizer:LexFilter.LexFilter) =
         reusingLexbufForParsing tokenizer.LexBuffer (fun () ->

src/fsharp/fsi/fsi.fsproj

@@ -10,7 +10,7 @@
     <TargetExt>.exe</TargetExt>
     <NoWarn>$(NoWarn);45;55;62;75;1204</NoWarn>
     <AllowCrossTargeting>true</AllowCrossTargeting>
-    <OtherFlags>$(OtherFlags)  --warnon:1182 --maxerrors:20 --extraoptimizationloops:1</OtherFlags>
+    <OtherFlags>--warnon:1182 --maxerrors:20 --extraoptimizationloops:1</OtherFlags>
     <Win32Resource>fsi.res</Win32Resource>
     <NGenBinary>true</NGenBinary>
   </PropertyGroup>

tests/FSharp.Compiler.Private.Scripting.UnitTests/FSharpScriptTests.fs

@@ -168,12 +168,39 @@ printfn ""%A"" result
 
     [<Test>]
     member __.``Eval script with package manager invalid key``() =
-        use script = new FSharpScript()
+        use script = new FSharpScript(additionalArgs=[|"/langversion:preview"|])
         let result, _errors = script.Eval(@"#r ""nugt:FSharp.Data""")
         match result with
         | Ok(_) -> Assert.Fail("expected a failure")
         | Error(ex) -> Assert.IsInstanceOf<FsiCompilationException>(ex)
 
+    [<Test>]
+    member __.``Eval script with invalid PackageName should fail immediately``() =
+        use output = new RedirectConsoleOutput()
+        use script = new FSharpScript(additionalArgs=[|"/langversion:preview"|])
+        let mutable found = 0
+        let outp = System.Collections.Generic.List<string>()
+        output.OutputProduced.Add(
+            fun line ->
+                if line.Contains("error NU1101:") && line.Contains("FSharp.Really.Not.A.Package") then
+                    found <- found + 1
+                outp.Add(line))
+        let _result, _errors = script.Eval("""#r "nuget:FSharp.Really.Not.A.Package" """)
+        Assert.True( (found = 1), "Expected to see output contains 'error NU1101:' and 'FSharp.Really.Not.A.Package'")
+
+    [<Test>]
+    member __.``Eval script with invalid PackageName should fail immediately and resolve one time only``() =
+        use output = new RedirectConsoleOutput()
+        use script = new FSharpScript(additionalArgs=[|"/langversion:preview"|])
+        let mutable foundResolve = 0
+        output.OutputProduced.Add (fun line -> if line.Contains("Microsoft (R) Build Engine version") then foundResolve <- foundResolve + 1)
+        let _result, _errors =
+            script.Eval("""
+#r "nuget:FSharp.Really.Not.A.Package"
+#r "nuget:FSharp.Really.Not.Another.Package"
+                """)
+        Assert.True( (foundResolve = 1), (sprintf "Expected to see 'Microsoft (R) Build Engine version' only once actually resolved %d times" foundResolve))
+
     [<Test>]
     member __.``ML - use assembly with ref dependencies``() =
         let code = @"