Register-VstsFeedForPowerShellRepository.ps1

# Variables
$powershellGetVersion = '1.5.0.0' # DO NOT use the latest 1.6.0 version as there is issues with this process
$moduleFolderPath = 'C:\path\to\PowerShell\Module\FOLDER' # only target folder, NOT the .psm1 or .psd1
$repositoryName = 'psmodules'
$feedUsername = 'NotChecked'
$PAT = 'abcdefghijklmnopqrstuv1234567890' # Enter your Personal Access Token
$packageSourceUrl = "https://ACCOUNTNAME.pkgs.visualstudio.com/_packaging/$repositoryName/nuget/v2" # Enter your VSTS AccountName (note: v2 Feed)

# This is downloaded during Step 3, but could also be "C:\Users\USERNAME\AppData\Local\Microsoft\Windows\PowerShell\PowerShellGet\NuGet.exe"
# if not running script as Administrator.
$nugetPath = 'C:\ProgramData\Microsoft\Windows\PowerShell\PowerShellGet\NuGet.exe'

# Create credential
$password = ConvertTo-SecureString -String $PAT -AsPlainText -Force
$credential = New-Object System.Management.Automation.PSCredential ($feedUsername, $password)


# Step 1
# Upgrade PowerShellGet
Install-Module PowerShellGet -RequiredVersion $powershellGetVersion -Force
Remove-Module PowerShellGet -Force
Import-Module PowerShellGet -RequiredVersion $powershellGetVersion -Force


# Step 2
# Check NuGet is listed
Get-PackageProvider -Name 'NuGet' -ForceBootstrap


# Step 3
# THIS WILL FAIL first time, so don't panic!
# Try to Publish a PowerShell module - this will prompt and download NuGet.exe, and fail publishing the module (we publish at the end)
$publishParams = @{
    Path        = $moduleFolderPath
    Repository  = $repositoryName
    NugetApiKey = 'VSTS'
    Verbose     = $true
}
Publish-Module @publishParams


# Step 4
# Register NuGet Package Source
& $nugetPath Sources Add -Name $repositoryName -Source $packageSourceUrl -Username $feedUsername -Password $PAT

# Check new NuGet Source is registered
& $nugetPath Sources List


# Step 5
# Register feed
$registerParams = @{
    Name                      = $repositoryName
    SourceLocation            = $packageSourceUrl
    PublishLocation           = $packageSourceUrl
    InstallationPolicy        = 'Trusted'
    PackageManagementProvider = 'Nuget'
    Credential                = $credential
    Verbose                   = $true
}
Register-PSRepository @registerParams

# Check new PowerShell Repository is registered
Get-PSRepository -Name $repositoryName


# Step 6
# Publish PowerShell module (2nd time lucky!)
Publish-Module @publishParams