From a2ed7c962520f960a32f6e0b4d121e720cf647e4 Mon Sep 17 00:00:00 2001
From: Carmi Grushko <carmi@fb.com>
Date: Thu, 3 Feb 2022 08:13:36 -0800
Subject: [PATCH] Save to disk only if contents changed

Summary: I broke this behavior in the stdin diff, now fixing.

Reviewed By: zertosh

Differential Revision: D33978662

fbshipit-source-id: db2be12bdda868c8ea6e2802b7a561fe04e9eaa1
---
 core/src/main/java/com/facebook/ktfmt/cli/Main.kt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/com/facebook/ktfmt/cli/Main.kt b/core/src/main/java/com/facebook/ktfmt/cli/Main.kt
index 7fd80eb0..f71cd4ce 100644
--- a/core/src/main/java/com/facebook/ktfmt/cli/Main.kt
+++ b/core/src/main/java/com/facebook/ktfmt/cli/Main.kt
@@ -142,7 +142,10 @@ class Main(
           out.println(fileName)
         }
       } else {
-        file.writeText(formattedCode)
+        // TODO(T111284144): Add tests
+        if (!alreadyFormatted) {
+          file.writeText(formattedCode)
+        }
         err.println("Done formatting $fileName")
       }