From cf0f803d1b6efda95bb07130423fed0c0a0cbb67 Mon Sep 17 00:00:00 2001
From: gray <grking.email@googlemail.com>
Date: Mon, 5 May 2025 17:19:35 +0100
Subject: [PATCH] Fix file transfer from Calibre to Remarkable Paper Pro
 (#13732)

The output of df wraps on to multiple lines on the rmpp due to the device mapped mount points. Enabling the posix -P option to df prevents this and allow the output to be parsed as normal.
---
 frontend/util.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/frontend/util.lua b/frontend/util.lua
index 4f7398d05..856f4fd4e 100644
--- a/frontend/util.lua
+++ b/frontend/util.lua
@@ -920,7 +920,7 @@ end
 function util.diskUsage(dir)
     -- safe way of testing df & awk
     local function doCommand(d)
-        local handle = io.popen("df -k " .. util.shell_escape({d}) .. " 2>/dev/null | awk '$3 ~ /[0-9]+/ { print $2,$3,$4 }' 2>/dev/null || echo ::ERROR::")
+        local handle = io.popen("df -kP " .. util.shell_escape({d}) .. " 2>/dev/null | awk '$3 ~ /[0-9]+/ { print $2,$3,$4 }' 2>/dev/null || echo ::ERROR::")
         if not handle then return end
         local output = handle:read("*all")
         handle:close()