resolve bugs around versioning

added version caching

BuildTasks/ImportModule.Task.ps1

@@ -1,20 +1,21 @@
-funciton ImportModule
+function ImportModule
 {
     param(
         [string]$path,
         [switch]$PassThru
     )
 
-    $file = Get-ChildItem $path
-    $name = $file.BaseName
 
     if (-not(Test-Path -Path $path))
     {
-        "Cannot find [$($path.fullname)]."
-        Write-Error -Message "Could not find module manifest [$($path.fullname)]"
+        "Cannot find [$path]."
+        Write-Error -Message "Could not find module manifest [$path]"
     }
     else
     {
+        $file = Get-Item $path
+        $name = $file.BaseName
+
         $loaded = Get-Module -Name $name -All -ErrorAction Ignore
         if ($loaded)
         {
@@ -22,8 +23,8 @@ funciton ImportModule
             $loaded | Remove-Module -Force
         }
 
-        "Importing Module [$name] from [$($path.fullname)]..."
-        Import-Module -FullyQualifiedName $path.fullname -Force -PassThru:$PassThru
+        "Importing Module [$name] from [$($file.fullname)]..."
+        Import-Module -Name $file.fullname -Force -PassThru:$PassThru
     }
 }
 

BuildTasks/SetVersion.Task.ps1

@@ -1,4 +1,4 @@
-funciton GetModulePublicInterfaceMap
+function GetModulePublicInterfaceMap
 {
     param($Path)
     $module = ImportModule -Path $Path -PassThru
@@ -8,7 +8,7 @@ funciton GetModulePublicInterfaceMap
         $module.ExportedAliases.values
     )
 
-    $data = foreach($command in $exportedCommands)
+    foreach($command in $exportedCommands)
     {
         foreach ($parameter in $command.Parameters.Keys)
         {
@@ -22,35 +22,48 @@ funciton GetModulePublicInterfaceMap
             }
         }
     }
-    [System.Collections.Generic.HashSet[string]]$data
 }
 
-task SetVersion
+task SetVersion {
+    $version = $null
+
+    $versionStamp = (git rev-parse origin/master) + (git rev-parse head)
+
+    "Load current version"
+    [version] $sourceVersion =  (Get-Metadata -Path $manifestPath -PropertyName 'ModuleVersion')
+    "  Source version [$sourceVersion]"
+
+    $downloadFolder = Join-Path -Path $output downloads
+    $null = New-Item -ItemType Directory -Path $downloadFolder -Force -ErrorAction Ignore
+
+    $versionFile = Join-Path $downloadFolder versionfile
+    if(Test-Path $versionFile)
     {
+        $versionFileData = Get-Content $versionFile -raw
+        if($versionFileData -eq $versionStamp)
+        {
+            continue
+        }
+    }
+
+    "Checking for published version"
     $publishedModule = Find-Module -Name $ModuleName |
         Sort-Object -Property {[version]$_.Version} -Descending |
         Select -First 1
 
     [version] $publishedVersion = $publishedModule.Version
-    [version] $sourceVersion =  (Get-Metadata -Path $manifestPath -PropertyName 'ModuleVersion')
+    "  Published version [$publishedVersion]"
+
+    $version = $publishedVersion
 
-    if($sourceVersion -gt $publishedVersion)
-    {
-        Write-Verbose "Using existing version as base [$sourceVersion]"
-        $version = $sourceVersion
-    }
-    else
-    {
     "Downloading published module to check for breaking changes"
-        $downloadFolder = Join-Path -Path $output downloads
-        $null = New-Item -ItemType Directory -Path $downloadFolder -Force -ErrorAction Ignore
     $publishedModule | Save-Module -Path $downloadFolder
 
-        $publishedInterface = GetModulePublicInterfaceMap -Path (Join-Path $downloadFolder $ModuleName)
-        $buildInterface = GetModulePublicInterfaceMap -Path $ManifestPath
+    [System.Collections.Generic.HashSet[string]] $publishedInterface = GetModulePublicInterfaceMap -Path (Join-Path $downloadFolder $ModuleName)
+    [System.Collections.Generic.HashSet[string]] $buildInterface = GetModulePublicInterfaceMap -Path $ManifestPath
 
     $bumpVersionType = 'Patch'
-        if($publishedInterface.IsSubsetOf($buildInterface))
+    if( -not $publishedInterface.IsSubsetOf($buildInterface))
     {
         $bumpVersionType = 'Major'
     }
@@ -72,19 +85,26 @@ task SetVersion
         }
     }
 
+    "  Steping version [$bumpVersionType]"
     $version = [version] (Step-Version -Version $version -Type $bumpVersionType)
-    }
 
-    $build = -1
     if ($null -ne $env:Build_BuildID)
     {
         $build = $env:Build_BuildID
+        $version = [version]::new($version.Major, $version.Minor, $version.Build, $build)
     }
 
-    $version = [version]::new($version.Major, $version.Minor, $version.Build, $build)
-    "Using version [$version]"
+    "  Comparing to source version [$sourceVersion]"
+    if($sourceVersion -gt $version)
+    {
+        "    Using existing version"
+        $version = $sourceVersion
+    }
+    "  Setting version [$version]"
     Update-Metadata -Path $ManifestPath -PropertyName 'ModuleVersion' -Value $version
 
+    Set-Content -Path $versionFile -Value $versionStamp -NoNewline -Encoding UTF8
+
     if(Test-Path $BuildRoot\fingerprint)
     {
         Remove-Item $BuildRoot\fingerprint