What do we really mean by "reproducible"?

Holger Levsen holger at layer-acht.org
Tue Jan 17 00:32:29 UTC 2017

Hi Santiago,

I think you are confusing repeatable builds with reproducible builds.
When we talk about reproducible builds, we mean what we documented at

to quote from there: "A build is reproducible if given the same source
code, build environment and build instructions, any party can recreate
bit-by-bit identical copies of all specified artifacts."

Whether a build succeeds 100% of the times tried or 2%, is basically out
of scope here.

And it's entirely plausable to have builds which fails some times, but
each time they succeed the results are 100% identical. Surely not ideal,
but… reproducible :)

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