How to create conditional build properties in DevOps build pipeline

Question

I have the following build pipeline task:

  - task: NuGetCommand@2
    displayName: 'Pack CodingStyles.nuspec'
    inputs:
      command: 'pack'
      packagesToPack: 'src\CodingStyles\CodingStyles.nuspec'
      packDestination: 'src\CodingStyles\bin'
      versioningScheme: 'off'
      buildProperties: '-NoDefaultExcludes -Version $(Build_Major).$(Build_Minor).$(Build_Patch)'

However, if the variable $IsPreRelease is true, I want to add another build property as well:

buildProperties: '-NoDefaultExcludes -Version $(Build_Major).$(Build_Minor).$(Build_Patch) -Suffix beta'

A few thoughts on how to do this:

I could have two different versions of this task, each with a condition: based on the variable. This would probably work, but it's quite redundant since everything else is the same.
Run a Powershell task instead of the NuGetCommand task, and build my command line dynamically.

Any options I'm missing?

Krzysztof Madej · Accepted Answer · 2021-06-16 23:51:46Z

2

You are missing one option:

  - task: NuGetCommand@2
    displayName: 'Pack CodingStyles.nuspec'
    inputs:
      command: 'pack'
      packagesToPack: 'src\CodingStyles\CodingStyles.nuspec'
      packDestination: 'src\CodingStyles\bin'
      versioningScheme: 'off'
      ${{ if ne(variables['IsPreRelease'], 'true') }}:
        buildProperties: '-NoDefaultExcludes -Version $(Build_Major).$(Build_Minor).$(Build_Patch)'
      ${{ if eq(variables['IsPreRelease'], 'true') }}:
        buildProperties: '-NoDefaultExcludes -Version $(Build_Major).$(Build_Minor).$(Build_Patch) -Suffix beta'

edited Jun 16, 2021 at 23:51

answered Jun 16, 2021 at 22:25

Krzysztof Madej

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3 Comments

Mike Christensen Over a year ago

Unfortunately DevOps doesn't let you repeat the same key twice..

Krzysztof Madej Over a year ago

Are you sure? I checked and you can save and run this. I notice some highlighting mentioning about duplication but this is display issue. All is fine with this snippet.

Mike Christensen Over a year ago

Oh if it's just a display error which I can ignore, then we should be good.. I'll try it out!

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