From 8674e74b47c1f6e86a367cfbc738fcc9812b616b Mon Sep 17 00:00:00 2001
From: murrayn <github@nesbitt.ca>
Date: Wed, 7 Mar 2018 03:08:55 -0800
Subject: Provide relevant error message if datadir is not writable.

---
 src/init.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/init.cpp')

diff --git a/src/init.cpp b/src/init.cpp
index f763c3a43..6493ae72b 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1165,6 +1165,9 @@ static bool LockDataDirectory(bool probeOnly)
 {
     // Make sure only a single Bitcoin process is using the data directory.
     fs::path datadir = GetDataDir();
+    if (!DirIsWritable(datadir)) {
+        return InitError(strprintf(_("Cannot write to data directory '%s'; check permissions."), datadir.string()));
+    }
     if (!LockDirectory(datadir, ".lock", probeOnly)) {
         return InitError(strprintf(_("Cannot obtain a lock on data directory %s. %s is probably already running."), datadir.string(), _(PACKAGE_NAME)));
     }
-- 
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