Auto patch file version on AppVeyor

appveyor.yml

@@ -4,6 +4,8 @@ build_script:
 - ps: >-
     dotnet restore src\NLog.Extensions.Logging
 
+     .\patchFileVersion.ps1 "NLog.Extensions.Logging.csproj" "$env:appveyor_build_version"
+
     dotnet pack src\NLog.Extensions.Logging --configuration Release
 artifacts:
 - path: 'src\NLog.Extensions.Logging\bin\release\*.nupkg'

patchFileVersion.ps1

@@ -0,0 +1,42 @@
+param([string]$filewildCard, [string]$version)
+
+#returns FileInfo
+function findFile([string]$filewildCard)  {
+
+    $files = @(Get-ChildItem $filewildCard -Recurse);
+    if ($files.Length -gt 1) {
+        throw "Found $($files.length) files. Stop, we need an unique pattern"
+    }
+    if ($files.Length -eq 0) {
+        throw "Find not found with pattern $filewildCard. Stop"
+    }
+    return $files[0];
+}
+
+function patchAssemblyFileVersion([System.IO.FileInfo]$file , [string]$version) {
+
+    $xmlPath = $file.FullName;
+
+    $xml = [xml](get-content $xmlPath)
+
+    $propertyGroup = $xml.Project.PropertyGroup
+
+    Write-Host "patch $xmlPath to $version"
+
+    # FileVersion = AssemblyFileVersionAttribute
+    $propertyGroup[0].FileVersion = $version
+
+    $xml.Save($xmlPath)
+}
+
+$file = findFile $filewildCard -ErrorAction Stop 
+
+patchAssemblyFileVersion $file $version -ErrorAction Stop
+
+
+
+trap 
+{ 
+  write-output $_ 
+  exit 1 
+} 

src/NLog.Extensions.Logging/NLog.Extensions.Logging.csproj

@@ -28,6 +28,11 @@ rc2 (see https://github.com/NLog/NLog.Extensions.Logging/milestone/9?closed=1)
     <RepositoryType>git</RepositoryType>
     <RepositoryUrl>git://github.com/NLog/NLog.Extensions.Logging</RepositoryUrl>
     <Version>1.0.0-rtm-rc2</Version>
+
+    <AssemblyVersion>1.0.0.0</AssemblyVersion>
+    <!--AssemblyVersion: keep 1.0.0.0-->
+    <FileVersion>1.0.0.0</FileVersion>
+    <!-- FileVersion = AssemblyFileVersionAttribute, patched by AppVeyor -->
   </PropertyGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net451' ">