but when does someone get the source code for
anything, outside of
open source warez?
As I learned to use the word, warez can't be open source, because it
refers to illegal copies of commercial software (often, cracked in
some way, such as removing copy-protect checks), which isn't possible
for open source.
But if s/warez/software/, the answer is, of course, "when you pay for
it". Often part of the payment takes the form of an NDA of some kind
(typically called a license agreement).
The one example that comes to mind from personal experience: when I was
going through my larval stage under VMS, we (an academic research lab)
had the source on microfiche. Full source to the whole system,
supposedly, and indeed I never found anything we had but didn't have
source to, though I looked for only a very few pieces of the system.
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