Changes to push windows artifacts into the dotnet blob storage

- Use timestamp of last git commit as build numbers
- Push the generated zip/msi files into dotnet blob storage

build.cmd

@@ -1,6 +1,13 @@
 @echo off
 
 setlocal EnableDelayedExpansion
+
+REM UTC Timestamp of the last commit is used as the build number. This is for easy synchronization of build number between Windows, OSX and Linux builds.
+REM Using powershell is way easier to retrive and format the timestamp in any way we want.
+set LAST_COMMIT_TIMESTAMP=powershell -Command "& { $timestamp = git log -1 --format=%%ct ; $origin = New-Object -Type DateTime -ArgumentList 1970, 1, 1, 0, 0, 0, 0; $commitTime = $origin.AddSeconds($timestamp); echo $commitTime.ToString(\"yyyyMMdd-HHmmss\");}"
+
+for /f %%i in ('%LAST_COMMIT_TIMESTAMP%') do set DOTNET_BUILD_VERSION=0.0.1-alpha-%%i
+
 where dnvm
 if %ERRORLEVEL% neq 0 (
     @powershell -NoProfile -ExecutionPolicy unrestricted -Command "&{$Branch='dev';iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/aspnet/Home/dev/dnvminstall.ps1'))}"

scripts/package.ps1

@@ -20,3 +20,9 @@ Add-Type -Assembly System.IO.Compression.FileSystem
 [System.IO.Compression.ZipFile]::CreateFromDirectory($Stage2Dir, $PackageName, "Optimal", $false)
 
 Write-Host "Packaged stage2 to $PackageName"
+
+
+$PublishScript = Join-Path $PSScriptRoot "publish.ps1"
+& $PublishScript -file $PackageName
+
+exit $LastExitCode

scripts/publish.ps1

@@ -0,0 +1,62 @@
+param(
+    [string]$file = $(throw "Specify the full path to the file to be uploaded")
+)
+
+function CheckRequiredVariables 
+{    
+    if([string]::IsNullOrEmpty($env:DOTNET_BUILD_VERSION)) 
+    {        
+        return $false
+    }    
+
+    # this variable is set by the CI system
+    if([string]::IsNullOrEmpty($env:SASTOKEN)) 
+    {        
+        return $false
+    }
+
+    return $true
+}
+ 
+$Result = CheckRequiredVariables
+
+
+if(!$Result)
+{
+    # fail silently if the required variables are not available for publishing the file.    
+    exit 0
+}
+
+if(![System.IO.File]::Exists($file))
+{
+    throw "$file not found"
+}
+
+$fileName = [System.IO.Path]::GetFileName($file)
+
+if([System.IO.Path]::GetExtension($file).ToLower() -eq ".zip")
+{
+    $Folder = "Binaries"
+}
+elseif([System.IO.Path]::GetExtension($file).ToLower() -eq ".msi")
+{
+    $Folder = "Installers"
+}
+
+
+Write-Host "Uploading $fileName to dotnet feed.."
+
+Invoke-WebRequest -URI "https://dotnetcli.blob.core.windows.net/dotnet/$Folder/$env:DOTNET_BUILD_VERSION/$fileName$env:SASTOKEN" -Method PUT -Headers @{"x-ms-blob-type"="BlockBlob"; "x-ms-date"="2015-10-23";"x-ms-version"="2013-08-15"} -InFile $file
+
+$ReturnCode = $LASTEXITCODE
+
+if($ReturnCode -eq 0)
+{
+    Write-Host "Successfully uploaded $file to dotnet feed."
+}
+{
+    Write-Host "Failed to upload $file to dotnet feed."
+}
+
+exit $ReturnCode
+