[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #5328 mf2pt1 uses random uniqueID

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[issues:#5328] mf2pt1 uses random uniqueID

Status: New
Labels: reproducible
Created: Wed May 23, 2018 02:13 PM UTC by Bernhard M. Wiedemann
Last Updated: Wed May 23, 2018 02:13 PM UTC
Owner: nobody
Attachments:

• reproducible.patch (1.4 kB; text/x-patch)

scripts/build/mf2pt1.pl calls int(rand(1000000)) + 4000000
so with every (clean) build, a new uniqueID value gets generated, which prevents lilypond packages from building reproducibly.
See also https://reproducible-builds.org/ for why this matters.

One pretty clean solution would be to calculate a hash of all relevant inputs and use that for uniqueID.

Since I dont know what the inputs are there, for now I only did a dummy patch that hashed the filename...

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