From a9f451decd3d967ab3e6199999ba02acee9e816b Mon Sep 17 00:00:00 2001
From: ThomasV <thomasv@electrum.org>
Date: Tue, 20 Oct 2015 13:52:38 +0200
Subject: [PATCH] preserve file permissions when saving wallet

---
 lib/wallet.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/wallet.py b/lib/wallet.py
index 88a83ede9..c85e4f71d 100644
--- a/lib/wallet.py
+++ b/lib/wallet.py
@@ -125,6 +125,8 @@ class WalletStorage(PrintError):
             f.write(s)
             f.flush()
             os.fsync(f.fileno())
+
+        mode = os.stat(self.path).st_mode if os.path.exists(self.path) else stat.S_IREAD | stat.S_IWRITE
         # perform atomic write on POSIX systems
         try:
             os.rename(temp_path, self.path)
@@ -133,7 +135,7 @@ class WalletStorage(PrintError):
             os.rename(temp_path, self.path)
         if 'ANDROID_DATA' not in os.environ:
             import stat
-            os.chmod(self.path,stat.S_IREAD | stat.S_IWRITE)
+            os.chmod(self.path, mode)
         self.print_error("saved")