Script to download all the gists for a user

GistsExporter.ps1

param(
    [Parameter(Mandatory = $true)]
    [string]$PathToApi,

    [Parameter(Mandatory = $true)]
    [string]$PAT,

    [Parameter(Mandatory = $true)]
    [string]$Username,

    [Parameter(Mandatory = $true)]
    [string]$PathToPrivateGists,

    [Parameter(Mandatory = $true)]
    [string]$PathToPublicGists
)

function New-TemporaryDirectory {
    $parent = [System.IO.Path]::GetTempPath()
    [string] $name = [System.Guid]::NewGuid()
    New-Item -ItemType Directory -Path (Join-Path $parent $name)
}

$headers = New-Object "System.Collections.Generic.Dictionary[[String],[String]]"
$headers.Add("authorization", 'token ' + $PAT)
$headers.Add("accept", 'application/vnd.github.v3+json')
$gistsUrl = "$($PathToApi)/users/$($Username)/gists?page="

$allGists = @()
$page = 1
do {
    $gists = Invoke-RestMethod -Method 'Get' -Uri "$($gistsUrl)$($page)" -Body $body -Headers $headers
    $allGists += $gists
    $page++
} while ($gists.Length -gt 0)

$pullPath = New-TemporaryDirectory

Push-Location $pullPath
foreach ($gist in $allGists) {
    git clone $gist.git_pull_url
    Push-Location $gist.id
    $dest = if($gist.public) {$PathToPublicGists} else {$PathToPrivateGists}
    Copy-Item * $dest

    Pop-Location
}
Pop-Location