Change the way version numbers are generated

2018-08-19 20:12:05 -07:00
parent c386851a06
commit de13e31542
5 changed files with 116 additions and 117 deletions
--- a/BuildTasks/SetVersion.Task.ps1
+++ b/BuildTasks/SetVersion.Task.ps1
@@ -0,0 +1,92 @@
+funciton GetModulePublicInterfaceMap
+{
+    param($Path)
+    $module = ImportModule -Path $Path -PassThru
+    $exportedCommands = @(
+        $module.ExportedFunctions.values
+        $module.ExportedCmdlets.values
+        $module.ExportedAliases.values
+    )
+
+    $data = foreach($command in $exportedCommands)
+    {
+        foreach ($parameter in $command.Parameters.Keys)
+        {
+            if($false -eq $command.Parameters[$parameter].IsDynamic)
+            {
+                '{0}:{1}' -f $command.Name, $command.Parameters[$parameter].Name
+                foreach ($alias in $command.Parameters[$parameter].Aliases)
+                {
+                    '{0}:{1}' -f $command.Name, $alias
+                }
+            }
+        }
+    }
+    [System.Collections.Generic.HashSet[string]]$data
+}
+
+task SetVersion
+{
+    $publishedModule = Find-Module -Name $ModuleName |
+        Sort-Object -Property {[version]$_.Version} -Descending |
+        Select -First 1
+
+    [version] $publishedVersion = $publishedModule.Version
+    [version] $sourceVersion =  (Get-Metadata -Path $manifestPath -PropertyName 'ModuleVersion')
+
+    if($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
+
+        $bumpVersionType = 'Patch'
+        if($publishedInterface.IsSubsetOf($buildInterface))
+        {
+            $bumpVersionType = 'Major'
+        }
+        elseif ($publishedInterface.count -ne $buildInterface.count)
+        {
+            $bumpVersionType = 'Minor'
+        }
+
+        if ($version -lt ([version] '1.0.0'))
+        {
+            "Module is still in beta; don't bump major version."
+            if ($bumpVersionType -eq 'Major')
+            {
+                $bumpVersionType = 'Minor'
+            }
+            else
+            {
+                $bumpVersionType = 'Patch'
+            }
+        }
+
+        $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, $build)
+    "Using version [$version]"
+    Update-Metadata -Path $ManifestPath -PropertyName 'ModuleVersion' -Value $version
+
+    if(Test-Path $BuildRoot\fingerprint)
+    {
+        Remove-Item $BuildRoot\fingerprint
+    }
+}