Verified Commit 8502ac4b authored by
subprocess: fix problem with lost stdout content
I originally was thinking that Lua is doing something nasty like duplicating original file descriptor for stdout but it turns out that exec was a culprit. For some reason a call to exec truncates (or at least removes unfinished line) from stdout. I have no idea why it behaves that way but adding flush just after callback (before exec) solves that problem and allows us to correctly use print in callback. The weird part is that the same thing does not happen with stderr but non the less I also added flush for it.
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