Private/GitRepositoryAnalysis.ps1
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# Git Repository Analysis Functions # Enhanced for module integration and professional use function Get-CommitHistory { <# .SYNOPSIS Retrieves git commit history with enhanced metadata. .DESCRIPTION Extracts commit information including hash, message, author, and date with proper error handling and validation for AI analysis. .PARAMETER Since Time range for commits (default: "30 days ago") .PARAMETER Repository Path to git repository (default: current directory) #> [CmdletBinding()] param( [string]$Since = "30 days ago", [string]$Repository = (Get-Location) ) # Validate git repository if (-not (Test-Path (Join-Path $Repository ".git"))) { throw "Not a git repository: $Repository" } # Change to repository directory $currentLocation = Get-Location try { Set-Location $Repository # Enhanced git log format with proper escaping $gitLogFormat = "%H|%h|%an|%ae|%ad|%s" $gitCommand = "git log --since=`"$Since`" --pretty=format:`"$gitLogFormat`" --date=iso-strict" Write-Verbose "Executing: $gitCommand" $gitOutput = Invoke-Expression $gitCommand 2>$null if ($LASTEXITCODE -ne 0) { throw "Git log command failed with exit code $LASTEXITCODE" } if (-not $gitOutput) { Write-Warning "No commits found since $Since" return @() } $commits = @() foreach ($line in $gitOutput) { if ([string]::IsNullOrWhiteSpace($line)) { continue } $parts = $line -split '\|', 6 if ($parts.Length -eq 6) { $commits += [PSCustomObject]@{ hash = $parts[0] short = $parts[1] author = $parts[2] email = $parts[3] date = $parts[4] message = $parts[5] } } } Write-Verbose "Retrieved $($commits.Count) commits" return $commits } finally { Set-Location $currentLocation } } function Update-CommitAttribution { <# .SYNOPSIS Updates git commit attribution with AI collaboration information. .DESCRIPTION Safely updates commit authors to reflect AI assistance while preserving original commit history and providing dry-run capability. .PARAMETER Commits Array of commits with AI analysis results .PARAMETER DryRun Preview changes without applying them .PARAMETER AIThreshold Minimum AI score to trigger attribution update (default: 5.0) #> [CmdletBinding()] param( [Parameter(Mandatory)] [array]$Commits, [switch]$DryRun, [double]$AIThreshold = 5.0 ) $updatedCount = 0 $aiCommits = $Commits | Where-Object { $_.AIScore -ge $AIThreshold } if (-not $aiCommits) { Write-Host "No commits found above AI threshold ($AIThreshold)" -ForegroundColor Yellow return } Write-Host "`nAI Attribution Update Summary:" -ForegroundColor Cyan Write-Host "Threshold: $AIThreshold" -ForegroundColor Gray Write-Host "Commits to update: $($aiCommits.Count)" -ForegroundColor Gray foreach ($commit in $aiCommits) { $newAuthorName = "$($commit.Author) + $($commit.PossibleLLM)" if ($DryRun) { Write-Host "`n[DRY RUN] Would update commit: $($commit.ShortHash)" -ForegroundColor Yellow Write-Host " Current: $($commit.Author)" -ForegroundColor Gray Write-Host " New: $newAuthorName" -ForegroundColor Green Write-Host " AI Score: $($commit.AIScore) ($($commit.AILikelihood))" -ForegroundColor Cyan Write-Host " Message: $($commit.Message.Substring(0, [Math]::Min(80, $commit.Message.Length)))" -ForegroundColor Gray } else { try { # Use git filter-branch to update author (careful operation) $filterCommand = "git filter-branch --env-filter `" if [ `$GIT_COMMIT = '$($commit.Hash)' ]; then export GIT_AUTHOR_NAME='$newAuthorName' export GIT_COMMITTER_NAME='$newAuthorName' fi `" --tag-name-filter cat -- --branches --tags" Write-Host "Updating commit $($commit.ShortHash)..." -ForegroundColor Yellow Invoke-Expression $filterCommand if ($LASTEXITCODE -eq 0) { $updatedCount++ Write-Host " ✓ Updated successfully" -ForegroundColor Green } else { Write-Host " ✗ Failed to update" -ForegroundColor Red } } catch { Write-Host " ✗ Error: $($_.Exception.Message)" -ForegroundColor Red } } } if (-not $DryRun -and $updatedCount -gt 0) { Write-Host "`nSuccessfully updated $updatedCount commits" -ForegroundColor Green Write-Host "IMPORTANT: Repository history has been rewritten!" -ForegroundColor Red Write-Host "Use 'git push --force-with-lease' to update remote repository" -ForegroundColor Yellow } return $updatedCount } function Export-AnalysisReport { <# .SYNOPSIS Generates comprehensive AI attribution analysis report. .DESCRIPTION Creates detailed reports in multiple formats (console, JSON, HTML) with statistics, visualizations, and actionable insights. .PARAMETER AnalysisResults Array of commit analysis results .PARAMETER OutputPath Directory for output files (default: current directory) .PARAMETER Format Report formats: Console, JSON, HTML, All (default: Console) #> [CmdletBinding()] param( [Parameter(Mandatory)] [array]$AnalysisResults, [string]$OutputPath = (Get-Location), [ValidateSet("Console", "JSON", "HTML", "All")] [string]$Format = "Console" ) if (-not $AnalysisResults -or $AnalysisResults.Count -eq 0) { Write-Warning "No analysis results to export" return } # Calculate comprehensive statistics $stats = @{ TotalCommits = $AnalysisResults.Count AIAssistedCommits = ($AnalysisResults | Where-Object { $_.AIScore -ge 3 }).Count AverageAIScore = ($AnalysisResults | Measure-Object -Property AIScore -Average).Average MaxAIScore = ($AnalysisResults | Measure-Object -Property AIScore -Maximum).Maximum LikelihoodDistribution = ($AnalysisResults | Group-Object -Property AILikelihood | ForEach-Object { @{$_.Name = $_.Count} }) TopLLMs = ($AnalysisResults | Where-Object { $_.PossibleLLM -ne "Human" } | Group-Object -Property PossibleLLM | Sort-Object Count -Descending | Select-Object -First 3 | ForEach-Object { @{$_.Name = $_.Count} }) MostActiveAuthors = ($AnalysisResults | Group-Object -Property Author | Sort-Object Count -Descending | Select-Object -First 5) } $timestamp = Get-Date -Format "yyyy-MM-dd_HH-mm-ss" # Console Report if ($Format -in @("Console", "All")) { Write-Host "`n" + "="*80 -ForegroundColor Cyan Write-Host "AI ATTRIBUTION ANALYSIS REPORT" -ForegroundColor Cyan Write-Host "="*80 -ForegroundColor Cyan Write-Host "Generated: $(Get-Date)" -ForegroundColor Gray Write-Host "Repository: $(Split-Path -Leaf (Get-Location))" -ForegroundColor Gray Write-Host "`nOVERALL STATISTICS:" -ForegroundColor Yellow Write-Host " Total Commits Analyzed: $($stats.TotalCommits)" -ForegroundColor White Write-Host " AI-Assisted Commits: $($stats.AIAssistedCommits)" -ForegroundColor White Write-Host " AI Assistance Rate: $([Math]::Round(($stats.AIAssistedCommits / $stats.TotalCommits) * 100, 1))%" -ForegroundColor Green Write-Host " Average AI Score: $([Math]::Round($stats.AverageAIScore, 2))" -ForegroundColor White Write-Host " Highest AI Score: $([Math]::Round($stats.MaxAIScore, 2))" -ForegroundColor White Write-Host "`nAI LIKELIHOOD DISTRIBUTION:" -ForegroundColor Yellow foreach ($item in $stats.LikelihoodDistribution) { foreach ($key in $item.Keys) { $percentage = [Math]::Round(($item[$key] / $stats.TotalCommits) * 100, 1) Write-Host " $key`: $($item[$key]) commits ($percentage%)" -ForegroundColor White } } if ($stats.TopLLMs) { Write-Host "`nTOP AI MODELS DETECTED:" -ForegroundColor Yellow foreach ($item in $stats.TopLLMs) { foreach ($key in $item.Keys) { Write-Host " $key`: $($item[$key]) commits" -ForegroundColor White } } } Write-Host "`nHIGH-CONFIDENCE AI COMMITS:" -ForegroundColor Yellow $highConfidenceCommits = $AnalysisResults | Where-Object { $_.AIScore -ge 7 } | Sort-Object AIScore -Descending | Select-Object -First 10 foreach ($commit in $highConfidenceCommits) { Write-Host " Score: $($commit.AIScore) | $($commit.ShortHash) | $($commit.PossibleLLM)" -ForegroundColor Cyan Write-Host " $($commit.Message.Substring(0, [Math]::Min(100, $commit.Message.Length)))" -ForegroundColor Gray } } # JSON Report if ($Format -in @("JSON", "All")) { $jsonReport = @{ metadata = @{ generatedAt = Get-Date -Format "o" repository = Split-Path -Leaf (Get-Location) analysisVersion = "1.0.0" } statistics = $stats commits = $AnalysisResults } $jsonPath = Join-Path $OutputPath "ai-attribution-analysis_$timestamp.json" $jsonReport | ConvertTo-Json -Depth 10 | Out-File -FilePath $jsonPath -Encoding utf8 Write-Host "JSON report saved: $jsonPath" -ForegroundColor Green } # HTML Report (if requested) if ($Format -in @("HTML", "All")) { $htmlReport = @" <!DOCTYPE html> <html> <head> <title>AI Attribution Analysis Report</title> <style> body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; margin: 40px; } .header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 20px; border-radius: 10px; } .stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin: 20px 0; } .stat-card { background: #f8f9fa; padding: 15px; border-radius: 8px; border-left: 4px solid #007bff; } .commits-table { width: 100%; border-collapse: collapse; margin: 20px 0; } .commits-table th, .commits-table td { padding: 12px; text-align: left; border-bottom: 1px solid #ddd; } .commits-table th { background-color: #007bff; color: white; } .ai-score { font-weight: bold; } .high { color: #dc3545; } .medium { color: #fd7e14; } .low { color: #28a745; } </style> </head> <body> <div class="header"> <h1>AI Attribution Analysis Report</h1> <p>Generated: $(Get-Date) | Repository: $(Split-Path -Leaf (Get-Location))</p> </div> <div class="stats"> <div class="stat-card"> <h3>Total Commits</h3> <p style="font-size: 2em; margin: 0;">$($stats.TotalCommits)</p> </div> <div class="stat-card"> <h3>AI-Assisted</h3> <p style="font-size: 2em; margin: 0;">$($stats.AIAssistedCommits)</p> </div> <div class="stat-card"> <h3>AI Rate</h3> <p style="font-size: 2em; margin: 0;">$([Math]::Round(($stats.AIAssistedCommits / $stats.TotalCommits) * 100, 1))%</p> </div> <div class="stat-card"> <h3>Avg Score</h3> <p style="font-size: 2em; margin: 0;">$([Math]::Round($stats.AverageAIScore, 2))</p> </div> </div> <h2>Top AI-Assisted Commits</h2> <table class="commits-table"> <thead> <tr><th>Score</th><th>Hash</th><th>Author</th><th>Likely AI</th><th>Message</th></tr> </thead> <tbody> "@ $topCommits = $AnalysisResults | Sort-Object AIScore -Descending | Select-Object -First 20 foreach ($commit in $topCommits) { $scoreClass = if ($commit.AIScore -ge 7) { "high" } elseif ($commit.AIScore -ge 3) { "medium" } else { "low" } $htmlReport += "<tr><td class='ai-score $scoreClass'>$($commit.AIScore)</td><td>$($commit.ShortHash)</td><td>$($commit.Author)</td><td>$($commit.PossibleLLM)</td><td>$($commit.Message)</td></tr>" } $htmlReport += @" </tbody> </table> </body> </html> "@ $htmlPath = Join-Path $OutputPath "ai-attribution-report_$timestamp.html" $htmlReport | Out-File -FilePath $htmlPath -Encoding utf8 Write-Host "HTML report saved: $htmlPath" -ForegroundColor Green } } |