Hi Jan,

Will need to recheck things here but there should be no .list files 
referencing public repos when building from the local apt cache (and 
therefore when you are wanting a reproducible build)
My local patch essentially does a full apt-get update but I now need to 
check if I did not alter the expected behavior :)

Cedric

On Monday, February 11, 2019 at 1:53:09 PM UTC+1, Jan Kiszka wrote:
>
> On 11.02.19 10:35, [ext] Henning Schild wrote: 
> > Here i see an often repeating pattern. That "apt-get update" is now 
> > present in many entry points to the buildchroot. 
> > I guess we should factor it out and put it into a central place. And 
> > the rule of thumb probably is ... whenever you use anything apt, 
> > apt-get update before you do ... 
>
> If you are only talking about updating our locally maintained repo (like 
> below), 
> that is fine to factor out and reuse. However, we must not update against 
> public 
> repos after the initial pulling, in order to ensure we have a consistent 
> package 
> set along the whole build. 
>
> Jan 
>
> > 
> > Henning 
> > 
> > Am Mon, 11 Feb 2019 10:33:24 +0100 
> > schrieb Henning Schild <henning...@siemens.com <javascript:>>: 
> > 
> >> From: Henning Schild <henning...@siemens.com <javascript:>> 
> >> 
> >> When rebuilding we can run into an inconsistent view where buildchroot 
> >> assumes it could download the sources of a modified upstream package. 
> >> After a "reprepro ... remove" we always need to "apt-get update" to 
> >> not operate on an old version of the metadata. 
> >> 
> >> Signed-off-by: Henning Schild <henning...@siemens.com <javascript:>> 
> >> --- 
> >>   meta/classes/dpkg-base.bbclass | 4 ++++ 
> >>   1 file changed, 4 insertions(+) 
> >> 
> >> diff --git a/meta/classes/dpkg-base.bbclass 
> >> b/meta/classes/dpkg-base.bbclass index 175dc80..5425df8 100644 
> >> --- a/meta/classes/dpkg-base.bbclass 
> >> +++ b/meta/classes/dpkg-base.bbclass 
> >> @@ -31,6 +31,10 @@ do_apt_fetch() { 
> >>           fi 
> >>           dpkg_do_mounts 
> >>           E="${@ bb.utils.export_proxies(d)}" 
> >> +        sudo -E chroot ${BUILDCHROOT_DIR} /usr/bin/apt-get update \ 
> >> +                -o 
> >> Dir::Etc::sourcelist="sources.list.d/isar-apt.list" \ 
> >> +                -o Dir::Etc::sourceparts="-" \ 
> >> +                -o APT::Get::List-Cleanup="0" 
> >>           sudo -E chroot --userspec=$( id -u ):$( id -g ) 
> >> ${BUILDCHROOT_DIR} \ sh -c 'cd ${PP} && apt-get -y source ${SRC_APT}' 
> >>           dpkg_undo_mounts 
> > 
>
> -- 
> Siemens AG, Corporate Technology, CT RDA IOT SES-DE 
> Corporate Competence Center Embedded Linux 
>