Add build module

.gitignore

@@ -1,3 +1,5 @@
 VERSION
 *.nupkg
-obj
+obj
+# ignore release dirs
+/*.*.*

build.ps1

@@ -0,0 +1,34 @@
+$moduleVersion = (Import-LocalizedData -FileName 'posh-git.psd1' -BaseDirectory (Join-Path $PSScriptRoot 'src')).ModuleVersion
+$outputFolder = (Join-Path $PSScriptRoot $moduleVersion)
+
+# Clean
+if (Test-Path $outputFolder) {
+    Remove-Item $outputFolder -Recurse
+}
+
+# Copy files to output folder
+Copy-Item -Path (Join-Path $PSScriptRoot 'src') -Destination $outputFolder -Recurse
+
+$mainModulePath = (Join-Path $outputFolder 'posh-git.psm1')
+$contentOfMainModule = Get-Content -Path $mainModulePath
+
+$PowerShellScriptsToBeMerged = Get-ChildItem -Path $outputFolder -Filter '*.ps1'
+foreach ($powerShellScriptToBeMerged in $PowerShellScriptsToBeMerged) {
+    $NameOfScriptToBeMerged = $powerShellScriptToBeMerged.Name
+    $scriptContentToBeMerged = Get-Content -Path $powerShellScriptToBeMerged -Raw
+    $replaceSearchText = ". `$PSScriptRoot\$NameOfScriptToBeMerged"
+    if ($contentOfMainModule.Contains($replaceSearchText)) {
+        $contentOfMainModule = $contentOfMainModule.Replace(". `$PSScriptRoot\$NameOfScriptToBeMerged",
+            @"
+#region $($powerShellScriptToBeMerged.BaseName)
+$scriptContentToBeMerged
+#endregion
+
+"@)
+        Remove-Item $powerShellScriptToBeMerged
+    }
+}
+
+Set-Content -Path $mainModulePath -Value $contentOfMainModule
+
+Write-Verbose "Module created at '$outputFolder'" -Verbose

test/Shared.ps1

@@ -1,4 +1,9 @@
 $modulePath = Convert-Path $PSScriptRoot\..\src
+# Test against built folder in CI (or just set $env:CI locally for that)
+if ($env:CI) {
+    $moduleVersion = (Import-LocalizedData -FileName 'posh-git.psd1' -BaseDirectory ($modulePath)).ModuleVersion
+    $modulePath = Convert-Path $PSScriptRoot\..\$moduleVersion
+}
 $moduleManifestPath = "$modulePath\posh-git.psd1"
 
 $csi = [char]0x1b + "["