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HostWriter.CodeSign fails when building .NET 6 preview 7 Angular projects with Visual Studio for Mac. #55992

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#56010
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HostWriter.CodeSign fails when building .NET 6 preview 7 Angular projects with Visual Studio for Mac.#55992
#56010
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Description

@mrward
mrward
opened on Jul 20, 2021

Description

Unable to build .NET 6 preview 7 Angular projects with Visual Studio for Mac.

Creating a new .NET 6 Angular project dotnet new angular and then building that with Visual Studio for Mac fails with the error:

Target "_CreateAppHost" in file "/usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets":
  Building target "_CreateAppHost" completely.
  Output file "~/Projects/Tests/dotnet6/test/test/obj/Debug/net6.0/apphost" does not exist.
  Using "CreateAppHost" task from assembly "/usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/../tools/net472/Microsoft.NET.Build.Tasks.dll".
  Task "CreateAppHost"
    /usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(536,5): error MSB4018: The "CreateAppHost" task failed unexpectedly.
    /usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(536,5): error MSB4018: System.InvalidOperationException: The Process object must have the UseShellExecute property set to false in order to redirect IO streams.
    /usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(536,5): error MSB4018:   at System.Diagnostics.Process.StartWithShellExecuteEx (System.Diagnostics.ProcessStartInfo startInfo) [0x00121] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/System/System.Diagnostics/Process.cs:622 
    /usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(536,5): error MSB4018:   at System.Diagnostics.Process.Start () [0x00032] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/System/services/monitoring/system/diagnosticts/Process.cs:2001 
    /usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(536,5): error MSB4018:   at (wrapper remoting-invoke-with-check) System.Diagnostics.Process.Start()
    /usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(536,5): error MSB4018:   at System.Diagnostics.Process.Start (System.Diagnostics.ProcessStartInfo startInfo) [0x0001b] in /Users/builder/jenkins/workspace/build-package-osx-mono/2020-02/external/bockbuild/builds/mono-x64/mcs/class/referencesource/System/services/monitoring/system/diagnosticts/Process.cs:2490 
    /usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(536,5): error MSB4018:   at Microsoft.NET.HostModel.AppHost.HostWriter.CodeSign (System.String appHostPath) [0x0003b] in <740df77acf124fe2834ec0651d32dc6c>:0 
    /usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(536,5): error MSB4018:   at Microsoft.NET.HostModel.AppHost.HostWriter.CreateAppHost (System.String appHostSourceFilePath, System.String appHostDestinationFilePath, System.String appBinaryFilePath, System.Boolean windowsGraphicalUserInterface, System.String assemblyToCopyResorcesFrom, System.Boolean enableMacOSCodeSign) [0x0010d] in <740df77acf124fe2834ec0651d32dc6c>:0 
    /usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(536,5): error MSB4018:   at Microsoft.NET.Build.Tasks.CreateAppHost.ExecuteCore () [0x0004e] in <45402358b8b0432b91aec569843553be>:0 
    /usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(536,5): error MSB4018:   at Microsoft.NET.Build.Tasks.TaskBase.Execute () [0x0002e] in <45402358b8b0432b91aec569843553be>:0 
    /usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(536,5): error MSB4018:   at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute () [0x00023] in /Users/builder/jenkins/workspace/build-package-osx-mono-pullrequest/pr/external/bockbuild/builds/msbuild-15/src/Build/BackEnd/TaskExecutionHost/TaskExecutionHost.cs:578 
    /usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(536,5): error MSB4018:   at Microsoft.Build.BackEnd.TaskBuilder.ExecuteInstantiatedTask (Microsoft.Build.BackEnd.ITaskExecutionHost taskExecutionHost, Microsoft.Build.BackEnd.Logging.TaskLoggingContext taskLoggingContext, Microsoft.Build.BackEnd.TaskHost taskHost, Microsoft.Build.BackEnd.ItemBucket bucket, Microsoft.Build.BackEnd.TaskExecutionMode howToExecuteTask) [0x002b9] in /Users/builder/jenkins/workspace/build-package-osx-mono-pullrequest/pr/external/bockbuild/builds/msbuild-15/src/Build/BackEnd/Components/RequestBuilder/TaskBuilder.cs:807 
  Done executing task "CreateAppHost" -- FAILED.

A codesign change was added to the runtime recently:

#53913

This HostWriter.CodeSign method runs /usr/bin/codesign and sets RedirectStandardError to true, but does not set UseShellExecute to false.

runtime/src/installer/managed/Microsoft.NET.HostModel/AppHost/HostWriter.cs

Line 253 in 0e5e88c

RedirectStandardError = true,

Visual Studio for Mac runs on Mono. Mono throws an exception due to this check:

https://github.com/mono/mono/blob/78c2b8da29881eccda4c27ca7b2b7e9ed451c55f/mcs/class/System/System.Diagnostics/Process.cs#L593

dotnet itself does not have a problem with the code as it is.

//cc @mateoatr

Configuration

dotnet --info:

dotnet --info
.NET SDK (reflecting any global.json):
 Version:   6.0.100-preview.7.21369.21
 Commit:    d553cd737e

Runtime Environment:
 OS Name:     Mac OS X
 OS Version:  10.15
 OS Platform: Darwin
 RID:         osx.10.15-x64
 Base Path:   /usr/local/share/dotnet/sdk/6.0.100-preview.7.21369.21/

Host (useful for support):
  Version: 6.0.0-preview.7.21369.8
  Commit:  71c078d515

.NET SDKs installed:
  6.0.100-preview.7.21369.21 [/usr/local/share/dotnet/sdk]

.NET runtimes installed:
  Microsoft.AspNetCore.App 6.0.0-preview.7.21369.12 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 6.0.0-preview.7.21369.8 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]

To install additional .NET runtimes or SDKs:
  https://aka.ms/dotnet-download

Regression?

I believe this worked in .NET 6 preview 6

Other information

Fix should be to set UseShellExecute to false in the CodeSignmethod.

Activity

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