Hi! Dhole: > Also, in order to help reproducible builds, a fixed timezone is exported > (TZ=UTC).
I am not convinced this change is a good idea. While reviewing new uploads to the Debian archive, I have at least spotted these lines in exim4/4.86~RC4-1 changelog [1]: > * unexport/undefine TZ in debian/rules for reproducible build. It > would be used as default value for TIMEZONE_DEFAULT. The `TZ` environment variable is not usually set in a build environment. It is a reproducibility problem if a package produce different binaries when it is, but that's all. I am afraid that some packages, like exim4, would silently start behaving differently if we set `TZ` in debhelper. If we don't set the variable in debhelper, we can use the reproducibility tests to spot packages who are building differently depending on the timezone or the value of TZ and propose fixes to maintainers. This enables them to review their impact. It is indeed more work, but it's less likely to unknowingly introduce any weird behavior. [1]: https://tracker.debian.org/news/694090 -- Lunar .''`. [email protected] : :Ⓐ : # apt-get install anarchism `. `'` `-
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