Thanks Andreas and Samuel for doing the work to take pinentry out of the bootstrap path! This was very nicely done.
Another approach to consider for the future could be for the bootstrapping build daemons to use a different OpenPGP signing tool there are a number of different OpenPGP signers in debian at this point (e.g., pgpainless, sq, sqop, gosop), though i don't know whether any of them are easier for the bootstrapping process right now. --dkg
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