On August 2, 2022 10:16 pm, Maxime Devos wrote: > On 02-08-2022 20:41, Geert Stappers wrote: > >> Date: Tue, 2 Aug 2022 19:18:46 +0200, From: Maxime Devos >>> In Guix, I've noticed that rust-vergen embeds build timestamps. There is >>> also >>> a work-around available: <https://issues.guix.gnu.org/56893#1>. >> >> >> Thanks for reporting the FTBR. >> >> Please update the workaround, so it looks more >> like https://en.wikipedia.org/wiki/Diff#Unified_format >> and can be absured by https://en.wikipedia.org/wiki/Patch_(Unix) >> >> >> Just telling the filename that needs modification would be a great help. > > Oops, I did not send the full work-around, here it is: > >> (substitute* (find-files "." "\\.rs$") >> (("^extern crate chrono;") "extern crate chrono; use >> chrono::Utc; use chrono::TimeZone;") >> (("^use chrono::Utc;") "use chrono::Utc; use >> chrono::TimeZone;") >> (("\\bUtc::now\\(\\)") "Utc.timestamp(0, 0)")))))) > (Should hopefully be clearer now!) > > The important thing here is replacing all instances of Utc::now() > (across all Rust source files of rust-vergen) by Utc.timestamp(0, 0), > the rest is just adding the required imports -- I have not made a list > of all file names. If you want a list, try "grep -rF Utc::now" or such. > > I do not intend to update the workaround, it works fine in Guix and > frankly porting it to whatever format Debian likes is Debian's concern, > not Guix', I'm just sharing our workaround as a courtesy to another distro.
also note that for debian purposes, we likely want to honor SOURCE_DATE_EPOCH instead of setting it to epoch zero.