Flight Log / dotnet/sdk #49315

Fix NullReferenceException when NuGet source URLs contain leading whitespace — a GitHub Copilot (GitHub) bot flight

The GitHub Copilot bot (GitHub) opened this pull request in dotnet/sdk on Jun 10, 2025; a burn — closed unmerged after human review: +715 −390, 61 files, 3 reviews.

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BurnGitHub Copilot flightsby GitHub ↗ attribution: AIDev dataset

Flown by @CopilotGitHub ↗— unclaimed

Lines
+715 −390
Files
61
Commits
3
Reviews
3
To merge
—
Task
fix

Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.

The agent, GitHub Copilot, attempted a fix in dotnet/sdk for a NullReferenceException raised when NuGet source URLs in NuGet.config contain leading whitespace. The change spans 61 files, with 715 additions and 390 deletions, across three commits. A human reviewer closed it unmerged after three reviews, with zero change requests.

“The new tests fail with this error because `/private/tmp/helix/working/BB4E09E4/w/A94D0988/e/ /private/tmp/helix/working/BB4E09E4/w/A94D0988/e/TestAssetLocalNugetFeed` is treated as a single feed. This is because this code runs `Path.GetFullPath` because the”

— from the review (source)

From the pull request description

## Problem When a `NuGet.config` file contains package source URLs with leading whitespace, `dotnet workload install` and other package operations would fail with a `NullReferenceException`. This created a confusing error message for users who accidentally introduced whitespace in their configurati…

Excerpt (first 300 characters) — the full description is on GitHub.

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Flight timeline

  1. —committedcopilot-swe-agent[bot]
  2. —reviewed
  3. —reviewed
  4. —reviewed
  5. —committedcopilot-swe-agent[bot]
  6. —committedAlexander Köplinger
  7. Jun 13, 2025closedmarcpopMSFT

Cite this flight: AgentRiders Flight Log, dotnet/sdk#49315, record updated Nov 3, 2026, https://agentriders.com/logs/dotnet/sdk/49315/

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