using a custom error message for package download failure

Author: nvarscar

internal/functions/Install-NugetPackage.ps1

@@ -95,7 +95,13 @@ function Install-NugetPackage {
 
         $baseAddressUrl = $index.resources | Where-Object { $_.'@type' -eq 'PackageBaseAddress/3.0.0' } | Select-Object -First 1
         $downloadUrl = "$($baseAddressUrl.'@id')$packageLowerName/$selectedVersion/$fileName"
-        Invoke-WebRequest -Uri $downloadUrl -OutFile $packagePath -ErrorAction Stop
+        try {
+            Invoke-WebRequest -Uri $downloadUrl -OutFile $packagePath -ErrorAction Stop
+        }
+        catch {
+            $originalError = $_.Exception.Message
+            Stop-PSFFunction -Message "Failed to download from $downloadUrl`: $originalError" -EnableException $true
+        }
         Write-PSFMessage -Level Verbose -Message "Extracting $fileName to $folder"
         if ($isCoreCLR) {
             [System.IO.Compression.ZipFile]::ExtractToDirectory($packagePath, $folder, $true)

tests/integration/Install-NugetPackage.Tests.ps1

@@ -40,7 +40,7 @@ Describe "Install-NugetPackage tests" -Tag IntegrationTests {
         It "should attempt to install $d libraries for a wrong version" {
             $dependencies = Get-ExternalLibrary -Type $Type
             foreach ($package in $dependencies) {
-                { Install-NugetPackage -Name $package.Name -RequiredVersion "0.somerandomversion" -Scope CurrentUser -Force -Confirm:$false } | Should -Throw '*Not Found*'
+                { Install-NugetPackage -Name $package.Name -RequiredVersion "0.somerandomversion" -Scope CurrentUser -Force -Confirm:$false } | Should -Throw 'Failed to download*'
                 { Install-NugetPackage -Name $package.Name -MinimumVersion "10.0" -MaximumVersion "1.0" -Scope CurrentUser -Force -Confirm:$false } | Should -Throw '*Version could not be found*'
             }
         }