I am in favor of standardizing on the Go codebase for pluggable transports that ship with Tor. This is something we talked about at the last developer meeting. The reason I favor this is not for reproducible build reasons, but because maintaining four implementations (C, Python, C++, and Go) is confusing for PT developers. As far as I know, since the last developer meeting all Tor products have been migrating towards shipping the Go PT implementation so that they can get obfs4 support. Last I checked, some of Tor products are also shipping other PT implementations in order to maintain access to transports not available in Go. I imagine that there is some time in the future where there will no longer be any bridges available for the older transports and so bundling clients for them will no longer be necessary. However, I don't know what the current level of use for non-Go transports is. I'd love to know if someone has those stats.
I also don't know how well reproducible builds work with Go, so if someone knows that would be interesting information.
On Wed, Sep 9, 2015 at 2:51 PM, Jeremy Rand biolizard89@gmail.com wrote:
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On 09/09/2015 06:43 PM, Brandon Wiley wrote:
Another option here, besides getting python to build in gitian is to phase out support for python-based pluggable transports. It's something to consider at least. Which transports are still only available in python?
Indeed -- the reason I originally asked this question was to evaluate whether Namecoin (of which I'm a developer) should keep developing code in Python or whether we should port that code to Golang. We really want reproducible builds, and based on the info David and Joseph have shared, Namecoin is probably going to (where feasible) port to Golang (which Tor is successfully building reproducibly with very minimal code). I'm curious whether the Tor devs have come to a similar conclusion.
Cheers,
- -Jeremy
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