ReSharper inspection errors as build errors in Visual Studio

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param(
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    # Where to write the SARIF file (relative to THIS SCRIPT'S folder)
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    [string]$SarifPath    = "inspect.sarif.json",
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    [string]$InspectCode  = "jb" # or full path to inspectcode.exe / inspectcode.cmd
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)
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# Resolve script directory (NOT current working directory)
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$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
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# Auto-detect .sln / .slnx in script directory
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$solutionFiles = Get-ChildItem -Path $ScriptDir -File |
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    Where-Object { $_.Extension -in '.sln', '.slnx' }
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if ($solutionFiles.Count -eq 0) {
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    throw "No .sln or .slnx file found in script folder: $ScriptDir"
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}
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elseif ($solutionFiles.Count -gt 1) {
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    $names = $solutionFiles.Name -join ', '
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    throw "Multiple .sln/.slnx files found in $ScriptDir $names. " +
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          "Currently this script does not support selecting one; " +
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          "please keep only a single solution file next to the script."
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}
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$SolutionFull = $solutionFiles[0].FullName
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# SARIF path relative to script folder if not rooted
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if (-not [System.IO.Path]::IsPathRooted($SarifPath)) {
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    $SarifFull = Join-Path $ScriptDir $SarifPath
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}
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else {
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    $SarifFull = $SarifPath
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}
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Write-Host "Script directory: $ScriptDir"
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Write-Host "Solution path   : $SolutionFull"
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Write-Host "SARIF path      : $SarifFull"
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# 1. Run InspectCode with SARIF output (NO BUILD)
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Write-Host "Running ReSharper InspectCode on $SolutionFull ..."
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& $InspectCode inspectcode $SolutionFull `
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    --no-build `
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    --format=Sarif `
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    --output="$SarifFull" `
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    --verbosity=OFF
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if ($LASTEXITCODE -ne 0) {
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    Write-Error "inspectcode failed to run (exit code $LASTEXITCODE)."
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    exit $LASTEXITCODE
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}
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if (!(Test-Path $SarifFull)) {
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    Write-Error "SARIF output file not found: $SarifFull"
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    exit 1
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}
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# 2. Load SARIF
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Write-Host "Loading SARIF from $SarifFull ..."
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$json    = Get-Content $SarifFull -Raw | ConvertFrom-Json
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$results = $json.runs[0].results
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if (-not $results) {
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    Write-Host "ReSharper InspectCode: no issues found."
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    exit 0
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}
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# 3. Filter only errors, excluding unresolved symbol CSharpErrors
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$errors = $results | Where-Object {
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    $_.level -eq "error" -and $_.ruleId -ne ".CSharpErrors"
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}
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if (-not $errors -or $errors.Count -eq 0) {
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    Write-Host "ReSharper InspectCode: no errors found (only notes/warnings)."
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    exit 0
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}
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Write-Host ""
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Write-Host "Build failed because of ReSharper errors:"
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Write-Host ""
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$solutionDir = Split-Path $SolutionFull -Parent
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$index = 1
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foreach ($e in $errors) {
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    $ruleId  = $e.ruleId
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    $message = $e.message.text
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    $loc  = $e.locations[0].physicalLocation
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    $uri  = $loc.artifactLocation.uri   # e.g. "RelyonAdmin/Models/PropertyNode.cs"
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    $line = $loc.region.startLine
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    $col  = $loc.region.startColumn
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    # Normalize URI -> Windows path, then make absolute
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    $relPath  = $uri -replace '/', '\'
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    $fileFull = Join-Path $solutionDir $relPath
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    # Human-readable summary (optional)
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    # MSBuild/VS-friendly error line on STDOUT, **not** Write-Error:
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    # path(line,col): error CODE: [RuleId] message
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    $errorCode = "RSHP$index"
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    $msbuildLine = ("{0}({1},{2}): error {3}: [{4}] {5}" -f `
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        $fileFull, $line, $col, $errorCode, $ruleId, $message)
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    Write-Host $msbuildLine
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    $index++
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}
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exit 1

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<Project Sdk="Microsoft.NET.Sdk">
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  <PropertyGroup>
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    <OutputType>Exe</OutputType>
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    <TargetFramework>net10.0</TargetFramework>
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    <ImplicitUsings>enable</ImplicitUsings>
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    <Nullable>enable</Nullable>
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  </PropertyGroup>
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  <Target Name="RunInspectCode" BeforeTargets="Build">
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    <Exec Command="pwsh -ExecutionPolicy Bypass -File &quot;$(SolutionDir)ReSharperInspectionErrorsFailBuild.ps1&quot;" IgnoreExitCode="false" />
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  </Target>
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</Project>