Merge pull request #14 from pearcec/dev/0.5.0

Dev/0.5.0

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [0.5.0]
+
+### Changed
+
+- `Invoke-Terraform` recursively searches up for `.terraform-version` stopping at root ([#12](https://github.com/pearcec/Invoke-Terraform/issues/12))
+
 ## [0.4.0]
 
 ### Added

Invoke-Terraform/Invoke-Terraform.psd1

@@ -12,7 +12,7 @@
     RootModule        = 'Invoke-Terraform.psm1'
 
     # Version number of this module.
-    ModuleVersion     = '0.4.0'
+    ModuleVersion     = '0.5.0'
 
     # Supported PSEditions
     # CompatiblePSEditions = @()

Invoke-Terraform/Private/Get-TerraformVersion.ps1

@@ -0,0 +1,22 @@
+Function Get-TerraformVersion {
+    param(
+        [parameter(Mandatory)]
+        [string]$Path
+    )
+
+    $terraformVersionFile = Join-Path -Path $Path -ChildPath .terraform-version
+    if (Test-Path -Path $terraformVersionFile -PathType Leaf) {
+        return $terraformVersionFile
+    }
+
+    $Parent = Split-Path $Path
+    if ($Parent -eq $Home) {
+        return $null
+    }
+    if ($Parent) {
+        return Get-TerraformVersion $Parent
+    }
+
+    # Shouldn't get here
+    return $null
+}

Invoke-Terraform/Public/Invoke-Terraform.ps1

@@ -46,8 +46,9 @@ Function Invoke-Terraform {
         $TFArgs = $args
     }
 
-    if ((Test-Path .terraform-version) -and (-not $TFVersion)) {
-        $TFVersion = Get-Content .terraform-version
+    $terraformVersionFile = Get-TerraformVersion -Path (Get-Item .).FullName
+    if ($terraformVersionFile -and (-not $TFVersion)) {
+        $TFVersion = Get-Content $terraformVersionFile
         # TODO regex validate the version
         Write-Verbose "Found .terraform-version $TFVersion"
     }

tests/unit/Invoke-Terraform.tests.ps1

@@ -21,4 +21,13 @@ Describe 'Invoke-Terraform' {
         Invoke-Terraform 0.14.6 -version | Out-File TestDrive:\version-0.14.6.txt
         (Get-Content TestDrive:\version-0.14.6.txt)[0] | Should -Match 0.14.6
     }
+    It 'has version 0.14.1 from .terraform-version' {
+        Set-TerraformVersion -TFVersion 0.14.5 -Confirm:$false
+        Set-TerraformAutoDownload -AutoDownload $true -Confirm:$false
+        $terraformVersionFile = [IO.Path]::Combine('..', '.terraform-version') 
+        '0.14.1' | Out-File -Path $terraformVersionFile
+        Invoke-Terraform -version | Out-File TestDrive:\version-0.14.1.txt
+        (Get-Content TestDrive:\version-0.14.1.txt)[0] | Should -Match 0.14.1
+        Remove-Item -Force -Path $terraformVersionFile
+    }
 }