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Install MicroBuild in temporary directory #16307

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merged 2 commits into from
Nov 21, 2025
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Merged

Install MicroBuild in temporary directory #16307

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763e799
Install MicroBuild in temporary directory
ellahathaway Nov 13, 2025
79f325c
Merge branch 'main' into microbuild-temp
ellahathaway Nov 18, 2025
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29 changes: 24 additions & 5 deletions eng/common/core-templates/steps/install-microbuild.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -13,9 +13,8 @@ parameters:
# Unfortunately, _SignType can't be used to exclude the use of the service connection in non-real sign scenarios. The
# variable is not available in template expression. _SignType has a very large proliferation across .NET, so replacing it is tough.
microbuildUseESRP: true
# Location of the MicroBuild output folder
# NOTE: There's something that relies on this being in the "default" source directory for tasks such as Signing to work properly.
microBuildOutputFolder: '$(Build.SourcesDirectory)'
# Microbuild installation directory
microBuildOutputFolder: $(Agent.TempDirectory)/MicroBuild
# Microbuild version
microbuildPluginVersion: 'latest'

Expand All @@ -30,8 +29,27 @@ steps:
inputs:
packageType: sdk
version: 8.0.x
installationPath: ${{ parameters.microBuildOutputFolder }}/.dotnet
workingDirectory: ${{ parameters.microBuildOutputFolder }}
installationPath: ${{ parameters.microBuildOutputFolder }}/.dotnet-microbuild
condition: and(succeeded(), ne(variables['Agent.Os'], 'Windows_NT'))

- script: |
set -euo pipefail

# UseDotNet@2 prepends the dotnet executable path to the PATH variable, so we can call dotnet directly
version=$(dotnet --version)
cat << 'EOF' > ${{ parameters.microBuildOutputFolder }}/global.json
{
"sdk": {
"version": "$version",
"paths": [
"${{ parameters.microBuildOutputFolder }}/.dotnet-microbuild"
],
"errorMessage": "The .NET SDK version $version is required to install the MicroBuild signing plugin."
}
}
EOF
displayName: 'Add global.json to MicroBuild Installation path'
workingDirectory: ${{ parameters.microBuildOutputFolder }}
condition: and(succeeded(), ne(variables['Agent.Os'], 'Windows_NT'))

- script: |
Expand Down Expand Up @@ -85,6 +103,7 @@ steps:
zipSources: false
feedSource: https://dnceng.pkgs.visualstudio.com/_packaging/MicroBuildToolset/nuget/v3/index.json
version: ${{ parameters.microbuildPluginVersion }}
workingDirectory: ${{ parameters.microBuildOutputFolder }}
${{ if eq(parameters.microbuildUseESRP, true) }}:
ConnectedServiceName: 'MicroBuild Signing Task (DevDiv)'
${{ if eq(variables['System.TeamProject'], 'DevDiv') }}:
Expand Down
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