New pipeline to check for invalid file paths in templates.json

.github/workflows/check-paths.yml

@@ -0,0 +1,26 @@
+name: Check Paths
+
+on:
+  push:
+    paths:
+      - "sonarr/**.ya?ml"
+      - "sonarr/**.ya?ml"
+      - .github/workflows/check-paths.yml
+      - templates.json
+  pull_request:
+    paths:
+      - "sonarr/**.ya?ml"
+      - "sonarr/**.ya?ml"
+      - .github/workflows/check-paths.yml
+      - templates.json
+
+jobs:
+  checkpaths:
+    name: Check Paths
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v3
+
+      - name: Check templates.json
+        run: pwsh ci/CheckInvalidTemplatePaths.ps1 templates.json

ci/CheckInvalidTemplatePaths.ps1

@@ -0,0 +1,24 @@
+[CmdletBinding()]
+param (
+    [Parameter(Mandatory = $true)]
+    [string] $JsonPath
+)
+
+function GetPaths($serviceType) {
+    Get-Content -Path $JsonPath
+        | ConvertFrom-Json
+        | ForEach-Object { $_.$serviceType.template }
+}
+
+$nonExistentFiles = $(GetPaths("radarr"); GetPaths("sonarr"))
+    | Where-Object {!(Test-Path -Path $_ -PathType Leaf)}
+
+
+if ($nonExistentFiles.length -gt 0) {
+    "FAILED: More than one invalid file path found:"
+    Write-Host ($nonExistentFiles -join "`n")
+    exit 1
+}
+
+"No invalid file paths found"
+exit 0