Merge pull request #57 from justeat/tweak_generator_accessor_improved…

…_code_generation_logic

Tweak generator accessor improved code generation logic

Example/Podfile.lock

@@ -1,5 +1,5 @@
 PODS:
-  - JustTweak (7.0.0)
+  - JustTweak (7.0.1)
 
 DEPENDENCIES:
   - JustTweak (from `../`)
@@ -9,7 +9,7 @@ EXTERNAL SOURCES:
     :path: "../"
 
 SPEC CHECKSUMS:
-  JustTweak: 61fed334d9bc9912207d225fe59dc031e2511e77
+  JustTweak: 76b358db90c402d9082c2e61b0b78da3fe5efd23
 
 PODFILE CHECKSUM: a68b671e421f174879203bb91286c82eecc0444f
 

JustTweak.podspec

@@ -1,7 +1,7 @@
 
 Pod::Spec.new do |s|
   s.name                    = 'JustTweak'
-  s.version                 = '7.0.0'
+  s.version                 = '7.0.1'
   s.summary                 = 'A framework for feature flagging, locally and remotely configure and A/B test iOS apps.'
   s.description             = <<-DESC
 JustTweak is a framework for feature flagging, locally and remotely configure and A/B test iOS apps.

TweakAccessorGenerator/TweakAccessorGenerator/main.swift

@@ -61,7 +61,13 @@ extension TweakAccessorGenerator {
         let url: URL = URL(fileURLWithPath: outputFolder).appendingPathComponent(fileName)
         let constants = codeGenerator.generateConstantsFileContent(tweaks: tweaks,
                                                                    configuration: configuration)
-        try! constants.write(to: url, atomically: true, encoding: .utf8)
+        if let existingConstants = try? String(contentsOf: url, encoding: .utf8) {
+            if existingConstants != constants {
+                try! constants.write(to: url, atomically: true, encoding: .utf8)
+            }
+        } else {
+            try! constants.write(to: url, atomically: true, encoding: .utf8)
+        }
     }
 
     private func writeAccessorFile(codeGenerator: TweakAccessorCodeGenerator,
@@ -70,10 +76,16 @@ extension TweakAccessorGenerator {
                                    configuration: Configuration) {
         let fileName = "\(configuration.accessorName).swift"
         let url: URL = URL(fileURLWithPath: outputFolder).appendingPathComponent(fileName)
-        let constants = codeGenerator.generateAccessorFileContent(tweaksFilename: tweaksFilename,
-                                                                  tweaks: tweaks,
-                                                                  configuration: configuration)
-        try! constants.write(to: url, atomically: true, encoding: .utf8)
+        let accessor = codeGenerator.generateAccessorFileContent(tweaksFilename: tweaksFilename,
+                                                                 tweaks: tweaks,
+                                                                 configuration: configuration)
+        if let existingAccessor = try? String(contentsOf: url, encoding: .utf8) {
+            if existingAccessor != accessor {
+                try! accessor.write(to: url, atomically: true, encoding: .utf8)
+            }
+        } else {
+            try! accessor.write(to: url, atomically: true, encoding: .utf8)
+        }
     }
 }