[Tails-dev] Reproduction of Tails 3.1 failed

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Auteur: Kevin Beranek
Date:  
À: tails-dev
Sujet: [Tails-dev] Reproduction of Tails 3.1 failed
I attempted to reproduce Tails 3.1 on an Ubuntu 17.04 x86_64 machine
following the instructions sent to tor-dev@??? [1]. The
resulting sha512sum of tails-amd64-3.1.iso (shown below) is different from
the expected result, but is consistent on my machine if I follow the same
instructions again on an independent checkout in a different directory on
the same machine. I attached the system-info and diffoscope output, but
note that I did redact a number of environment variables as well as the
hostname from the system-info output. I would be glad to share the
redacted contents privately if they turn out to be relevant.

Ubuntu 17.04 only has diffoscope version 81 available so I installed the
latest version available through linuxbrew (version 85) and then installed
diffoscope as suggested for Debian Stretch systems in order to pick up the
additional tools diffoscope depends on via `sudo apt -o
APT::Install-Suggests="true" -o APT::Install-Recommends="true" install
diffoscope`.

The sha512sum of the output is as follows:

> sha512sum tails-amd64-3.1.iso

740186af39faadfa1bd1277d93f31f4c3fd5e24d5c71989aa1c560d72f1f6562bdc3fefb2e371efb9f6744b31a59e48e84bb6cf7c9b9ea10633a33f1055d2f5e
tails-amd64-3.1.iso

[1] https://lists.torproject.org/pipermail/tor-dev/2017-August/012388.html