buffer

# Define your Azure DevOps project and repository details
$projectName = "YourProjectName"
$repositoryName = "YourRepositoryName"

# Specify the date range for analysis (e.g., from 2020 to 2023)
$startDate = Get-Date "2020-01-01"
$endDate = Get-Date "2023-12-31"

# Initialize counters for lines of code added
$linesAdded = @{}

# Get all changesets within the specified date range
$changesets = Get-TfsItemHistory -Server "https://your-azure-devops-url" -Path "$/YourProjectName/$/YourRepositoryName" -Recurse -Version "D$($startDate.ToString("yyyy-MM-dd"))~D$($endDate.ToString("yyyy-MM-dd"))"

# Process each changeset
foreach ($changeset in $changesets) {
    $changesetDate = $changeset.CreationDate.Date
    $linesAdded[$changesetDate] += $changeset.Changes | Where-Object { $_.ChangeType -eq "Add" } | ForEach-Object { $_.Lines.Length }
}

# Display the results
$linesAdded.GetEnumerator() | Sort-Object Name | ForEach-Object {
    $year = $_.Key.Year
    $lines = $_.Value
    Write-Host "Year $year: $lines lines added"
}