pr.yaml: write protected config files as UTF-8 without BOM#99
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Chris-Wolfgang merged 1 commit intoMay 12, 2026
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Backport of repo-template PR #339. The 'Fetch trusted configuration files from main branch' step writes .editorconfig / Directory.Build.props / BannedSymbols.txt back via 'Out-File -Encoding UTF8' which writes UTF-8 *with* BOM. The .NET analyzer engine appears to ignore .editorconfig files prefixed by a BOM, so project-level severity overrides don't apply on CI even though they apply locally — analyzers fire at default severity and TreatWarningsAsErrors then escalates them to errors. Switch to 'Out-File -Encoding UTF8NoBOM' (PS 6+; the runner uses pwsh). Diagnosed against Chris-Wolfgang/In-memory-Logger PR #32 / run 24996715587. See Chris-Wolfgang/repo-template#339 for the full write-up. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Pull request overview
Updates the PR workflow to rewrite protected configuration files from the main branch as UTF-8 without a BOM, ensuring .NET analyzers respect .editorconfig/severity overrides in CI (avoiding unexpected warning escalations under TreatWarningsAsErrors).
Changes:
- Switched PowerShell
Out-Fileencoding fromUTF8(BOM) toUTF8NoBOMat four call sites in the “Fetch trusted configuration files from main branch” step(s).
Comment on lines
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| foreach ($configFile in $configFiles) { | ||
| # Check if file exists in main branch | ||
| $exists = git cat-file -e "main-branch:$configFile" 2>&1 | ||
| if ($LASTEXITCODE -eq 0) { | ||
| Write-Host " ✓ Copying $configFile from main branch" | ||
| git show "main-branch:$configFile" | Out-File -FilePath $configFile -Encoding UTF8 -NoNewline | ||
| git show "main-branch:$configFile" | Out-File -FilePath $configFile -Encoding UTF8NoBOM -NoNewline | ||
| } else { |
Chris-Wolfgang
deleted the
fix/pr-yaml-bom-encoding-on-protected-config-fetch
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Backport of repo-template#339.
The 'Fetch trusted configuration files from main branch' step writes the protected configs back via
Out-File -Encoding UTF8(BOM-prefixed). The .NET analyzer engine appears to ignore BOM-prefixed.editorconfigfiles, so project severity overrides don't apply on CI — analyzers fire at default severity andTreatWarningsAsErrorsescalates findings that pass locally.This is a 4-line workflow-only change:
UTF8→UTF8NoBOMat the four call sites. PowerShell 6+ supports the encoding token;shell: pwshrunners use PS 7+, so it's safe.Diagnosed against In-memory-Logger PR #32 / run 24996715587.
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