🐛 Check if services command can run

phpmon-common/PHP/Homebrew/HomebrewService.swift

@@ -18,4 +18,17 @@ struct HomebrewService: Decodable, Equatable {
     let status: String?
     let log_path: String?
     let error_log_path: String?
+    
+    public static let serviceToCheck = "nginx"
+    public static func servicesCanBeLoaded() -> Bool {
+        let serviceInfo = try? JSONDecoder().decode(
+            [HomebrewService].self,
+            from: Shell.pipe(
+                "sudo \(Paths.brew) services info \(self.serviceToCheck) --json",
+                requiresPath: true
+            ).data(using: .utf8)!
+        )
+        
+        return serviceInfo != nil
+    }
 }

phpmon/Domain/Core/Startup.swift

@@ -49,6 +49,13 @@ class Startup {
             breaking:           true
         )
         
+        performEnvironmentCheck(
+            !HomebrewService.servicesCanBeLoaded(),
+            messageText:        "startup.errors.services_json_error.title".localized,
+            informativeText:    "startup.errors.services_json_error.desc".localized,
+            breaking:           true
+        )
+        
         performEnvironmentCheck(
             !Shell.pipe("cat /private/etc/sudoers.d/brew").contains("\(Paths.binPath)/brew"),
             messageText:        "startup.errors.sudoers_brew.title".localized,

phpmon/Localizable.strings

@@ -237,7 +237,7 @@ You can do this by running `composer global update` in your terminal. After that
 
 /// 6. Cannot retrieve services
 "startup.errors.services_json_error.title" = "Cannot determine services status";
-"startup.errors.services_json_error.desc" = "PHP Monitor was unable to check if any of the services are up and running. PHP Monitor usually queries `brew` using the following command: ``. PHP Monitor received an invalid response (no JSON).";
+"startup.errors.services_json_error.desc" = "PHP Monitor was unable to check if some of the services are up and running.\n\nPHP Monitor usually queries `brew` using the following command to test if the services can be retrieved: `sudo brew services info nginx --json`. PHP Monitor received an invalid response (no JSON).";
 
 /// 7. Multiple services active
 "startup.errors.services.title" = "Multiple PHP services are active";