make all github repositories private using with powershell

gistfile1.txt

# Set your GitHub username and access token
$githubUsername = "abc"
$githubToken = "YOUR_TOKEN"

# Get repositories
$repos = Invoke-RestMethod -Uri "https://api.github.com/users/$githubUsername/repos" -Method Get

# Loop through each repository and update it
foreach ($repo in $repos) {
    $repoName = $repo.name

    # Check if the repository is a fork
    if ($repo.fork) {
        Write-Host "Skipping fork: $($repoName)"
        continue
    }

    # Check if the repository is already private
    if ($repo.private) {
        Write-Host "Repository $($repoName) is already private."
        continue
    }

    $uri = "https://api.github.com/repos/$githubUsername/$repoName"
    
    # Use Invoke-RestMethod to send PATCH request
    try {
        Invoke-RestMethod -Uri $uri -Method Patch -Headers @{
            Authorization = "Basic {0}" -f [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes("$($githubUsername):$($githubToken)"))
            "Content-Type"  = "application/json"
        } -Body '{"private": "true"}'

        Write-Host "Repository $($repoName) updated to private."
    } catch {
        Write-Host "Error updating repository $($repoName): $_"
    }
}