exit if gcode file info could not be retrieved

2017-06-22 14:31:32 +02:00 · 2017-06-22 14:31:32 +02:00 · ae46535275
parent 9571af19ac
commit ae46535275
1 changed files with 5 additions and 0 deletions
--- a/src/script/print-fetch.lua
+++ b/src/script/print-fetch.lua
@ -34,6 +34,11 @@ log("gcode server: " .. gcodeServer)

 local info = JSON:decode(io.popen("wget -qO - " .. gcodeServer .. "/info/" .. id):read("*a"))

+if info == nil then
+    log("could not retrieve file info")
+    return
+end
+
 local current_line = 0
 local total_lines = tonumber(info["lines"])
 local started = false