Chocolatey-InstallAll.ps1

function Chocolatey-InstallAll {
param(
  [string] $source = ''
)

  Write-Debug "Running 'Chocolatey-InstallAll' with source:`'$source`'";

  if ($source -eq '' -or $source -eq 'https://go.microsoft.com/fwlink/?LinkID=230477' -or $source -eq 'https://chocolatey.org/api/v2/') {
    write-host 'Source must be specified and cannot be nuget.org/chocolatey.org'
    return
  }

  if ($source.StartsWith('http')) {
    $webClient = New-Object System.Net.WebClient
    $defaultCreds = [System.Net.CredentialCache]::DefaultCredentials
    if ($defaultCreds -ne $null) {
      $webClient.Credentials = $defaultCreds
    }

    if (!$source.EndsWith('/')) { $source = $source + '/' }
    $feedUrl = $source + 'Packages/'
    write-host "Installing all packages from $feedUrl"

    $feed = [xml]$webClient.DownloadString($feedUrl)
    $entries = $feed | select -ExpandProperty feed | select -ExpandProperty entry
    foreach ($entry in $entries) {
      if ($entry.properties.id -ne $null) {
        $pkgId = $entry.properties.id
        $pkgVersion = $entry.properties.version
        Chocolatey-Nuget "$pkgId" -version $pkgVersion -source $source
      }
    }
  } else {
    $files = get-childitem $source -include *.nupkg -recurse
    foreach ($file in $files) {
      $packageName = $file.Name -replace "(\.\d{1,})+.nupkg"
      Chocolatey-Nuget $packageName -source $source
    }
  }
}