Merge branch 'hotfix/3.0.2'

* hotfix/3.0.2:
  (build) Fix truncation of prereleaselabel
  (build) Sign the bootstapper file
  GH-537: do not install latest version of chocolatey
  GH-536: remove empty spaces from ArgumentList

Author: gep13

Boxstarter.Chocolatey/New-PackageFromScript.ps1

@@ -55,7 +55,7 @@ about_boxstarter_chocolatey
     $chocoInstall = [System.Environment]::GetEnvironmentVariable('ChocolateyInstall', 'MACHINE')
     if($chocoInstall -eq $null) {
         # Simply Installs choco repo and helpers
-        Call-Chocolatey -Command 'install' -PackageNames @('chocolatey')
+        Call-Chocolatey -Command '--version'
         $chocoInstall = [System.Environment]::GetEnvironmentVariable('ChocolateyInstall', 'MACHINE')
     }
     if($source -like "*://*"){

Boxstarter.Chocolatey/invoke-chocolatey.ps1

@@ -34,6 +34,8 @@ function Expand-ZipFile($ZipFilePath, $DestinationFolder) {
 
 function Invoke-Chocolatey($chocoArgs) {
     Write-BoxstarterMessage "Current runtime is $($PSVersionTable.CLRVersion)" -Verbose
+    # be sure not to include empty arguments when calling Start-Process
+    $chocoArgs = $chocoArgs.Where({ $_ -ne "" })
 
     if (-Not $env:ChocolateyInstall) {
         [System.Environment]::SetEnvironmentVariable('ChocolateyInstall', "$env:programdata\chocolatey", 'Machine')

BuildScripts/default.ps1

@@ -67,7 +67,7 @@ task Run-GitVersion {
     # Having a pre-release label of greater than 10 characters can cause problems when trying to run choco pack.
     # Since we typically only see this when building a local feature branch, or a PR, let's just trim it down to
     # the 10 character limit, and move on.
-    if ($versionInfo.PreReleaseLabel) {
+    if ($versionInfo.PreReleaseLabel -And $versionInfo.PreReleaseLabel.Length -gt 10) {
         $prerelease = $versionInfo.PreReleaseLabel.Replace("-","").Substring(0,10)
     }
 
@@ -284,6 +284,7 @@ task Sign-PowerShellFiles -depends Copy-PowerShellFiles {
 
     if($cert) {
         Set-AuthenticodeSignature -Filepath $powerShellFiles -Cert $cert -TimeStampServer $timestampServer -IncludeChain NotRoot -HashAlgorithm SHA256
+        Set-AuthenticodeSignature -Filepath "$basedir\BuildScripts\bootstrapper.ps1" -Cert $cert -TimeStampServer $timestampServer -IncludeChain NotRoot -HashAlgorithm SHA256
     }
     else {
         Write-Host "Unable to sign PowerShell files, as unable to locate certificate and/or password."