How to ensure a "dotnet tool" is installed in an Azure Pipeline?

Question

In a Azure Devop Build, I'm using a tool(https://github.com/tomchavakis/nuget-license). I want this tool to be installed in my Azure Devop Agent.

I've created this task in my YML:

  - task: CmdLine@2
    displayName: 'Install dotnet-project-licenses'
    inputs:
        script: 'dotnet tool install dotnet-project-licenses -g'

This works, but only the first time. Then when the tool is already installed, I get an error code.

So how to install this automatically on my agents once? Or swallow the error?

@GeralexGR Yes I do, but we plan to extends with some cloud agent — J4N, Jul 13 '22 at 11:11

score 4 · Accepted Answer · answered Jul 13 '22 at 08:24

4

Try running the script as

dotnet tool update dotnet-project-licenses -g

If the tool isn't installed this command should install it, and if it is already installed it shouldn't give an error

answered Jul 13 '22 at 08:24

DavidCox88

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score 2 · Answer 2 · answered Jul 13 '22 at 11:15

2

You can add a powershell task instead of the cmd and add the continue on error action. Then your pipeline will continue if it is already installed.

- task: PowerShell@2
  inputs:
    targetType: 'inline'
    script: 'dotnet tool install dotnet-project-licenses -g'
    errorActionPreference: 'continue'

answered Jul 13 '22 at 11:15

GeralexGR

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Thank you, it's a great approach even if I've been able to totally remove the error with @DavidCox88 approach. – J4N Jul 13 '22 at 11:36

How to ensure a "dotnet tool" is installed in an Azure Pipeline?

2 Answers2