Fix local override folder function (#106)

# Pull Request

## Description

This is a bug fix for the override folder parameters. These are only
required for e2e testing or customisation.

## License

By submitting this pull request, I confirm that my contribution is made
under the terms of the projects associated license.

Author: jaredfholgate

src/ALZ/Private/New-FolderStructure.ps1

@@ -14,17 +14,38 @@ function New-FolderStructure {
         [string] $targetFolder,
 
         [Parameter(Mandatory = $false)]
-        [string] $sourceFolder
+        [string] $sourceFolder,
+
+        [Parameter(Mandatory = $false)]
+        [string] $overrideSourceDirectoryPath = ""
     )
 
     if ($PSCmdlet.ShouldProcess("ALZ-Terraform module configuration", "modify")) {
         Write-Verbose "Downloading modules to $targetDirectory"
+
         if(!($release.StartsWith("v")) -and ($release -ne "latest")) {
             $release = "v$release"
         }
 
-        $releaseTag = Get-GithubRelease -githubRepoUrl $url -targetDirectory $targetDirectory -moduleSourceFolder $sourceFolder -moduleTargetFolder $targetFolder -release $release
-        $path = Join-Path $targetDirectory $targetFolder $releaseTag
+        $releaseTag = ""
+        $path = ""
+
+        if($overrideSourceDirectoryPath -ne "") {
+            $releaseTag = "local"
+            $path = Join-Path $targetDirectory $targetFolder $releaseTag
+
+            if(Test-Path $path) {
+                Write-Verbose "Folder $path already exists, so not copying files."
+            } else {
+                Write-InformationColored "Copying files from $overrideSourceDirectoryPath to $path" -ForegroundColor Green -InformationAction Continue
+                New-Item -Path $path -ItemType "Directory"
+                Copy-Item -Path "$overrideSourceDirectoryPath/$sourceFolder/*" -Destination "$path" -Recurse | Out-String | Write-Verbose
+            }
+
+        } else {
+            $releaseTag = Get-GithubRelease -githubRepoUrl $url -targetDirectory $targetDirectory -moduleSourceFolder $sourceFolder -moduleTargetFolder $targetFolder -release $release
+            $path = Join-Path $targetDirectory $targetFolder $releaseTag
+        }
 
         Write-Verbose "Version $releaseTag is located in $path"
 

src/ALZ/Public/New-ALZEnvironment.ps1

@@ -142,11 +142,11 @@ function New-ALZEnvironment {
         }
 
         # Download the bootstrap modules
-        $bootstrapReleaseTag = "local"
-        $bootstrapPath = $bootstrapModuleOverrideFolderPath
+        $bootstrapReleaseTag = ""
+        $bootstrapPath = ""
         $bootstrapTargetFolder = "bootstrap"
 
-        if($bootstrapModuleOverrideFolderPath -eq "" -and !$isLegacyBicep) {
+        if(!$isLegacyBicep) {
             $versionAndPath = $null
 
             Write-InformationColored "Checking and Downloading the bootstrap module..." -ForegroundColor Green -NewLineBefore -InformationAction Continue
@@ -159,7 +159,8 @@ function New-ALZEnvironment {
                     -url $bootstrapModuleUrl `
                     -release $bootstrapRelease `
                     -targetFolder $bootstrapTargetFolder `
-                    -sourceFolder $bootstrapSourceFolder
+                    -sourceFolder $bootstrapSourceFolder `
+                    -overrideSourceDirectoryPath $bootstrapModuleOverrideFolderPath
             }
             $bootstrapReleaseTag = $versionAndPath.releaseTag
             $bootstrapPath = $versionAndPath.path
@@ -234,10 +235,10 @@ function New-ALZEnvironment {
         }
 
         # Download the starter modules
-        $starterReleaseTag = "local"
-        $starterPath = $starterModuleOverrideFolderPath
+        $starterReleaseTag = ""
+        $starterPath = ""
 
-        if($starterModuleOverrideFolderPath -eq "" -and ($hasStarterModule -or $isLegacyBicep)) {
+        if(($hasStarterModule -or $isLegacyBicep)) {
             $versionAndPath = $null
 
             Write-InformationColored "Checking and Downloading the starter module..." -ForegroundColor Green -NewLineBefore -InformationAction Continue
@@ -250,7 +251,8 @@ function New-ALZEnvironment {
                     -url $starterModuleUrl `
                     -release $starterRelease `
                     -targetFolder $starterModuleTargetFolder `
-                    -sourceFolder $starterModuleSourceFolder
+                    -sourceFolder $starterModuleSourceFolder `
+                    -overrideSourceDirectoryPath $starterModuleOverrideFolderPath
             }
 
             $starterReleaseTag = $versionAndPath.releaseTag