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Add NuGet package attestations using GitHub provenance#3119

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dennisdoomen merged 2 commits into
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copilot/add-nuget-attestations
Nov 8, 2025
Merged

Add NuGet package attestations using GitHub provenance#3119
dennisdoomen merged 2 commits into
mainfrom
copilot/add-nuget-attestations

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Copilot AI commented Nov 6, 2025 •
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Closes #[issue_number]

Adds cryptographically signed provenance attestations to NuGet packages on release, enabling consumers to verify package authenticity and build integrity.

Changes

  • Permissions: Added id-token: write and attestations: write to build job for OIDC and attestation generation
  • Pre-flight check: Verify .nupkg existence before attestation (tag pushes only)
  • Attestation step: Generate provenance using actions/attest-build-provenance@v2 for all packages in Artifacts/

Attestations are created after package build and before upload, only on tag pushes when packages exist.

Original prompt

Add nuget attestations for the nuget pakckage using github's provenance attestations

✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.

Copilot AI self-assigned this Nov 6, 2025
Copilot AI changed the title [WIP] Add NuGet attestations for the NuGet package Add NuGet package attestations using GitHub provenance Nov 6, 2025
Copilot AI requested a review from dennisdoomen November 6, 2025 18:50
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github-actions Bot commented Nov 6, 2025 •
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Test Results

    37 files  ±0      37 suites  ±0   2m 55s ⏱️ +18s
 6 267 tests ±0   6 267 ✅ ±0  0 💤 ±0  0 ❌ ±0 
38 948 runs  ±0  38 948 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 518a9fc. ± Comparison against base commit 2ff081c.

This pull request removes 10 and adds 8 tests. Note that renamed tests count towards both. 
FluentAssertions.Specs.Streams.StreamAssertionSpecs+HaveLength ‑ When_a_throwing_stream_should_have_a_length_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
FluentAssertions.Specs.Streams.StreamAssertionSpecs+HaveLength ‑ When_a_throwing_stream_should_have_a_length_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
FluentAssertions.Specs.Streams.StreamAssertionSpecs+HavePosition ‑ When_a_throwing_stream_should_have_a_position_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
FluentAssertions.Specs.Streams.StreamAssertionSpecs+HavePosition ‑ When_a_throwing_stream_should_have_a_position_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
FluentAssertions.Specs.Streams.StreamAssertionSpecs+NotHaveLength ‑ When_a_throwing_stream_should_not_have_a_length_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
FluentAssertions.Specs.Streams.StreamAssertionSpecs+NotHaveLength ‑ When_a_throwing_stream_should_not_have_a_length_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
FluentAssertions.Specs.Streams.StreamAssertionSpecs+NotHavePosition ‑ When_a_throwing_stream_should_not_have_a_position_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
FluentAssertions.Specs.Streams.StreamAssertionSpecs+NotHavePosition ‑ When_a_throwing_stream_should_not_have_a_position_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'GetLengthExceptionMessage'.)
Object name: 'GetPositionExceptionMessage'.)

FluentAssertions.Specs.Streams.StreamAssertionSpecs+HaveLength ‑ When_a_throwing_stream_should_have_a_length_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'GetLengthExceptionMessage'.)
FluentAssertions.Specs.Streams.StreamAssertionSpecs+HaveLength ‑ When_a_throwing_stream_should_have_a_length_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'GetLengthExceptionMessage'.)
FluentAssertions.Specs.Streams.StreamAssertionSpecs+HavePosition ‑ When_a_throwing_stream_should_have_a_position_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'GetPositionExceptionMessage'.)
FluentAssertions.Specs.Streams.StreamAssertionSpecs+HavePosition ‑ When_a_throwing_stream_should_have_a_position_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'GetPositionExceptionMessage'.)
FluentAssertions.Specs.Streams.StreamAssertionSpecs+NotHaveLength ‑ When_a_throwing_stream_should_not_have_a_length_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'GetLengthExceptionMessage'.)
FluentAssertions.Specs.Streams.StreamAssertionSpecs+NotHaveLength ‑ When_a_throwing_stream_should_not_have_a_length_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'GetLengthExceptionMessage'.)
FluentAssertions.Specs.Streams.StreamAssertionSpecs+NotHavePosition ‑ When_a_throwing_stream_should_not_have_a_position_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'GetPositionExceptionMessage'.)
FluentAssertions.Specs.Streams.StreamAssertionSpecs+NotHavePosition ‑ When_a_throwing_stream_should_not_have_a_position_it_should_fail(exception: System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'GetPositionExceptionMessage'.)

♻️ This comment has been updated with latest results.

@coveralls

coveralls commented Nov 6, 2025 •
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Pull Request Test Coverage Report for Build 19192192660

Details

  • 0 of 0 changed or added relevant lines in 0 files are covered.
  • No unchanged relevant lines lost coverage.
  • Overall coverage remained the same at 97.154%
Totals Coverage Status
Change from base Build 18872999242: 0.0%
Covered Lines: 12826
Relevant Lines: 13046
💛 - Coveralls

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github-actions Bot commented Nov 6, 2025 •
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Qodana for .NET

It seems all right 👌

No new problems were found according to the checks applied

💡 Qodana analysis was run in the pull request mode: only the changed files were checked
☁️ View the detailed Qodana report

Contact Qodana team

Contact us at qodana-support@jetbrains.com

@dennisdoomen dennisdoomen force-pushed the copilot/add-nuget-attestations branch from 66b076d to 34b4022 Compare November 8, 2025 07:29
@dennisdoomen dennisdoomen added the building Building and Infrastructure of Fluent Assertions label Nov 8, 2025
@dennisdoomen dennisdoomen requested a review from jnyrup November 8, 2025 07:29
jnyrup
jnyrup reviewed Nov 8, 2025
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I've got no experience with attestation but it seems like a good thing to do.
What triggered you to enable this?
I only read this blog post so far.
https://andrewlock.net/creating-provenance-attestations-for-nuget-packages-in-github-actions/

Comment thread .github/workflows/build.yml
@dennisdoomen

dennisdoomen commented Nov 8, 2025

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What triggered you to enable this?

This suggestion was the trigger dennisdoomen/dotnet-library-starter-kit#35

@dennisdoomen
Add NuGet package attestations using GitHub provenance
518a9fc 
Co-authored-by: dennisdoomen <572734+dennisdoomen@users.noreply.github.com>
@dennisdoomen dennisdoomen force-pushed the copilot/add-nuget-attestations branch from 34b4022 to 518a9fc Compare November 8, 2025 11:07
@dennisdoomen dennisdoomen marked this pull request as ready for review November 8, 2025 11:07
@dennisdoomen dennisdoomen merged commit 889bc88 into main Nov 8, 2025
14 checks passed
@dennisdoomen dennisdoomen deleted the copilot/add-nuget-attestations branch November 8, 2025 19:05
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@dennisdoomen dennisdoomen dennisdoomen approved these changes
@jnyrup jnyrup jnyrup approved these changes

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