From 17516fa0149fe07b5bf5093c67b5f1daf885ced0 Mon Sep 17 00:00:00 2001
From: Brett Hewitson <bletch1971@hotmail.com>
Date: Fri, 10 Dec 2021 21:13:59 +1000
Subject: [PATCH] Semantic Versioning Script

---
 .../ApplySemanticVersioningToAssemblies.ps1   | 128 ++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 .github/scripts/ApplySemanticVersioningToAssemblies.ps1

diff --git a/.github/scripts/ApplySemanticVersioningToAssemblies.ps1 b/.github/scripts/ApplySemanticVersioningToAssemblies.ps1
new file mode 100644
index 00000000..d28f2e70
--- /dev/null
+++ b/.github/scripts/ApplySemanticVersioningToAssemblies.ps1
@@ -0,0 +1,128 @@
+Param
+(
+  [string]$applicationName = $env:BUILD_APPLICATION_NAME,
+
+  [string]$pathToSearch = $env:BUILD_SOURCE_PATH,
+
+  [string]$versionFile = $env:BUILD_VERSION_FILE,
+	
+  [regex]$pattern = "\d+\.\d+\.\d+\.\d+",
+	
+  [string]$patternSplitCharacters = ".",
+	
+  [int]$patternExpectedVersionNumbers = 4,
+	
+  [int]$versionNumbersInVersion = 4,
+	
+  [string]$searchFilter = "AssemblyInfo.*",
+
+  [string]$debugMode = 'false'
+)
+
+# Declare functions
+function Replace-Version($content, $version, $attribute) 
+{
+  $exitFunction = $false
+  $content | %{
+    if ($_ -match 'exclude from semantic versioning')
+    {
+        Write-Host "     * Skipping $attribute due to exclude"
+        $exitFunction = $true
+    }
+    if ($_ -match 'include semantic versioning' -and $_ -notmatch "include semantic versioning - $applicationName")
+    {
+        Write-Host "     * Skipping $attribute due to include not matching"
+        $exitFunction = $true
+    }
+  }
+
+  if ($exitFunction)
+  {
+    return $content
+  }
+
+  $versionAttribute = "[assembly: $attribute(""$version"")]"
+  $pattern = "\[assembly: $attribute\("".*""\)\]"
+  $versionReplaced = $false
+  
+  $content = $content | %{
+	if ($_ -match $pattern) 
+    {
+	  $versionReplaced = $true
+	  $_ = $_ -replace [regex]::Escape($Matches[0]),$versionAttribute
+	  Write-Host "     * Replaced $($Matches[0]) with $versionAttribute"
+	}
+	$_
+  }
+  
+  if (-not $versionReplaced) 
+  {
+	$content += [Environment]::NewLine + $versionAttribute
+	Write-Host "     * Added $versionAttribute to end of content"
+  }
+
+  return $content
+}
+
+function Get-VersionString($numberOfVersions, $extractedBuildNumbers) 
+{
+  return [string]::Join(".",($extractedBuildNumbers | select -First ($numberOfVersions)))
+}
+
+$ErrorActionPreference = "Stop"
+
+if ($debugMode -eq "true") 
+{
+  Write-Host "##[section]Starting: DEBUG INFORMATION"
+
+  Write-Host "##[debug]applicationName = $applicationName"
+  Write-Host "##[debug]pathToSearch = $pathToSearch"
+  Write-Host "##[debug]versionFile = $versionFile"
+  Write-Host "##[debug]pattern = $pattern"
+  Write-Host "##[debug]patternSplitCharacters = $patternSplitCharacters"
+  Write-Host "##[debug]patternExpectedVersionNumbers = $patternExpectedVersionNumbers"
+  Write-Host "##[debug]versionNumbersInVersion = $versionNumbersInVersion"
+  Write-Host "##[debug]searchFilter = $searchFilter"
+
+  Write-Host "##[section]Finishing: DEBUG INFORMATION"
+  Write-Host ""
+}
+
+# read the build number from the version file
+$buildNumber = Get-Content $versionFile
+
+if ($buildNumber -match $pattern -ne $true) 
+{
+  Write-Host "Could not extract a version from [$buildNumber] using pattern [$pattern]"
+  exit 2
+}
+
+# Set version variables
+$extractedBuildNumbers = @($Matches[0].Split(([char[]]$patternSplitCharacters)))
+if ($extractedBuildNumbers.Length -ne $patternExpectedVersionNumbers) 
+{
+  Write-Host "The extracted build number $($Matches[0]) does not contain the expected $patternExpectedVersionNumbers elements"
+  exit 2
+}
+
+$version = Get-VersionString -numberOfVersions $versionNumbersInVersion -extractedBuildNumbers $extractedBuildNumbers
+$fileVersion = Get-VersionString -numberOfVersions $versionNumbersInVersion -extractedBuildNumbers $extractedBuildNumbers
+Write-Host "Using version $version and file version $fileVersion"
+
+# iterate the search path (and sub directories) looking for files that match the search filter
+Get-ChildItem -Path $pathToSearch -Filter $searchFilter -Recurse | %{
+  Write-Host "  -> Checking $($_.FullName)"
+		 
+  # remove the read-only bit on the file
+  #sp $_.FullName IsReadOnly $false
+  Set-ItemProperty $_.FullName -name IsReadOnly -value $false
+ 
+  # run the regex replace
+  $content = Get-Content $_.FullName
+  $content = Replace-Version -content $content -version $version -attribute 'AssemblyVersion'
+  $content = Replace-Version -content $content -version $fileVersion -attribute 'AssemblyFileVersion'
+  $content | Set-Content $_.FullName -Encoding UTF8
+}
+
+Write-Host "Done"
+exit 0