e2tool: disable write buffering for debug.log

Signed-off-by: Tobias Ulmer <tu@emlix.com>

diff --git a/local/e2tool.lua b/local/e2tool.lua
index dd52843624b5ceffc14f653c045d4df378f00259..56c0eeeb5c031449950fc4543992286497fc942d 100644 (file)
--- a/local/e2tool.lua
+++ b/local/e2tool.lua
@@ -708,6 +708,10 @@ local function opendebuglogfile()
         return false, e:cat(re)
     end
 
+    -- Important if one wants to see log messages from a child before exec as
+    -- it does not flush the internal buffer
+    eio.setunbuffered(debuglogfile)
+
     e2lib.globals.debuglogfile = debuglogfile
 
     return true