PowerShell script to automate getting the latest version of NuGet and installing to a configurable location with good defaults.

update-nuget-encoded

powershell -encodedcommand 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

update-nuget-script.ps1

[CmdletBinding(
  SupportsShouldProcess=$TRUE,
  ConfirmImpact="High"
)]
PARAM(
  [parameter(Position=0,HelpMessage="Directory to install / update NuGet.")]
  [alias("r")]
  [string]$NUGET_ROOT="$(Join-Path $Env:ProgramFiles NuGet)"
)
PROCESS {
  New-Item -path "$NUGET_ROOT" -itemtype Directory -force | Out-Null
  # $sourceNugetExe = "https://www.nuget.org/api/v2/package/NuGet.Client/3.2.0"
  $sourceNugetExe = "https://nuget.org/nuget.exe"
  $targetNugetExe = Join-Path "$NUGET_ROOT" nuget.exe
  Invoke-WebRequest "$sourceNugetExe" -OutFile "$targetNugetExe"
  Set-Alias nuget "$targetNugetExe" -Scope Global -Verbose -force
}