Can I mix framework projects and .net standard projects in the same repository? Dotnet Pack command

Question

In the answer to this question I needed to change the build yaml from using Nuget to using DotNet So that the .net standard project would pack correctly ( i hope ). However when I did this I started getting

error MSB4057: The target "pack" does not exist in the project

for the framework projects.

Should I be separating the repositories or is there some way to specify different pack commands for different targets?

My original azure-pipelines.yml was

# .NET Desktop
# Build and run tests for .NET Desktop or Windows classic desktop solutions.
# Add steps that publish symbols, save build artifacts, and more:
# https://learn.microsoft.com/azure/devops/pipelines/apps/windows/dot-net

trigger:
- master

pool:
  vmImage: 'windows-latest'

variables:
  solution: '**/*.sln'
  buildPlatform: 'Any CPU'
  buildConfiguration: 'Release'
  Major: '2'
  Minor: '0'
  Patch: '0'

steps:
- task: NuGetToolInstaller@0
  inputs:
    versionSpec: '>=4.3.0'
    checkLatest: true

- task: NuGetCommand@2
  inputs:
    restoreSolution: '$(solution)'

- task: VSBuild@1
  inputs:
    solution: '$(solution)'
    platform: '$(buildPlatform)'
    configuration: '$(buildConfiguration)'

- task: NuGetCommand@2
  inputs:
    command: pack
    packagesToPack: '**/*.csproj'
    versioningScheme: byPrereleaseNumber
    majorVersion: '$(Major)'
    minorVersion: '$(Minor)'
    patchVersion: '$(Patch)'

- task: NuGetCommand@2
  inputs:
    command: pack
    packagesToPack: '**/*.vbproj'
    versioningScheme: byPrereleaseNumber
    majorVersion: '$(Major)'
    minorVersion: '$(Minor)'
    patchVersion: '$(Patch)'

- task: NuGetCommand@2
  displayName: 'NuGet push'
  inputs:
    command: push
    publishVstsFeed: 'SBDCommonFeed'
    allowPackageConflicts: true

but I changed the NuGetCommand@2 task to be

- task: DotNetCoreCLI@2
  inputs: 
    command: 'pack'
    outputDir: '$(Build.ArtifactStagingDirectory)/TestDir'

For the Nuget command I can experiment with PackagesToPack What do I change for the DotNet command?

[Update] I tried

- task: DotNetCoreCLI@2
  inputs:
    command: 'pack'
    projects: '**/*Standard.csproj'
    outputDir: '$(Build.ArtifactStagingDirectory)/OutputDir'

Where *Standard are the .net standard projects. However there was still the MSB4057 error on a framework project

https://learn.microsoft.com/en-us/azure/devops/pipelines/tasks/build/dotnet-core-cli?view=azure-devops — Kirsten, Feb 12 '20 at 06:05
You can also use `packagesToPack:` instead of `Projects:` to do dotnet pack. Since we only need to pack the .net standard project, you can pass something like : `packagesToPack: '**/LibraryProjectName.csproj'` — LoLance, Feb 12 '20 at 06:18
Feel free to let me know if the new created package can be consumed well in your project. (And you may need to [clean the nuget cache](https://learn.microsoft.com/en-us/nuget/consume-packages/managing-the-global-packages-and-cache-folders#clearing-local-folders) to avoid old cache affects the nuget behavior.) — LoLance, Feb 12 '20 at 06:47

LoLance · Accepted Answer · 2020-02-12T07:15:28.140

The error indicates you're trying to pack both the .net standard project and .net framework project while you only need to pack the .net standard library project. (Also, dotnet pack should not be used to pack one non-library project.)

So the workaround is to specify the project to pack when using dotnet pack task. The Pack command in .net core task also supports packagesToPack element.

See #packagesToPack: '**/*.csproj' # Required when command == Pack.

Normally the format is:

steps:

- task: DotNetCoreCLI@2  
  displayName: 'dotnet pack'
  inputs:
    command: pack
    packagesToPack: '**/ProjectName.csproj'
    configuration: Release
    versioningScheme: xxx
    minorVersion: xxx
    buildProperties: xxx
    ...

Can I mix framework projects and .net standard projects in the same repository? Dotnet Pack command

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