Re: testing for rootfs vs. /usr reproducibility regressions

2021-08-21 Thread Timothy M Butterworth
On 8/21/21, Andy Smith wrote: > Hi Tim, > > On Fri, Aug 20, 2021 at 05:29:54PM -0400, Timothy M Butterworth wrote: >> I have a new-be question, what is the point of merged-usr? > > I put "debian merged-usr" into my favourite search engine and the > first result was: > > https://wiki.debian.org

Re: testing for rootfs vs. /usr reproducibility regressions

2021-08-21 Thread Andy Smith
Hi Tim, On Fri, Aug 20, 2021 at 05:29:54PM -0400, Timothy M Butterworth wrote: > I have a new-be question, what is the point of merged-usr? I put "debian merged-usr" into my favourite search engine and the first result was: https://wiki.debian.org/UsrMerge Does this page and those linked fr

Re: testing for rootfs vs. /usr reproducibility regressions

2021-08-20 Thread Timothy M Butterworth
All, Sorry I am a little late to this party so I have a new-be question, what is the point of merged-usr? It seems like a lot of work for a little reward, as the packages already work. Is there a legitimate benefit for changing all these file paths that I am missing? Thanks Tim

Re: testing for rootfs vs. /usr reproducibility regressions

2021-08-20 Thread Simon McVittie
On Fri, 20 Aug 2021 at 07:26:51 +0200, Helmut Grohne wrote: > The options you present to work around this sound plausible to me, but > they do complicate the transition plan somewhat. In essence, we'll get > two transition points. One for non-buildds and another for them. Maybe that, but what I wa

Re: testing for rootfs vs. /usr reproducibility regressions

2021-08-20 Thread Helmut Grohne
Hi Simon, On Thu, Aug 19, 2021 at 11:49:22AM +0100, Simon McVittie wrote: > I agree that's a potential failure mode, although the window for regression > is not necessarily very long (foo would have to regress after the automatic > transition is already in place). Yes. You phrased it better, then

Re: testing for rootfs vs. /usr reproducibility regressions

2021-08-19 Thread Simon McVittie
On Thu, 19 Aug 2021 at 10:06:27 +0200, Helmut Grohne wrote: > On Tue, Aug 17, 2021 at 05:19:06PM +0100, Simon McVittie wrote: > > If we want to make buildd chroots merged-/usr any time soon, then I > > think we need to say this class of bugs is RC for bookworm. > > For a moment, let us assume perf