<div dir="ltr"> I agree. We should snapshot a known-good starting point and start from there. It's a huge waste of time to do apt update / upgrade / install git, bzr, mercurial, etc every single time we run CI. That's like 1/3rd the time it takes to run the unit test CI job.</div> <div class="gmail_quote"><div dir="ltr">On Wed, May 18, 2016 at 10:35 PM David Cheney <<a href="mailto:david.cheney@canonical.com">david.cheney@canonical.com</a>> wrote: </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">This is a huge waste of wall time and bandwidth, and increases the chance of failure significantly. This is something I would like to see changed. On Thu, May 19, 2016 at 12:06 PM, John Meinel <<a href="mailto:john@arbash-meinel.com" target="_blank">john@arbash-meinel.com</a>> wrote: > CI does a build from scratch in a pristine VM. There is some discussion > about changing that in a variety of ways (in a container in a long running > VM, etc), but it doesn't have a local copy to work from so it has to pull it > from upstream each time. > > John > =:-> > > > On Wed, May 18, 2016 at 8:05 PM, David Cheney <<a href="mailto:david.cheney@canonical.com" target="_blank">david.cheney@canonical.com</a>> > wrote: >> >> We already have godeps which can take a set of vcs repos and flick >> them to the right revisions. >> >> Why does CI check out every single dependency from upstream every >> single time we do a build ? That introduces wc -l dependencies.tsv >> points of failure to every single CI run -- not to mention the several >> minutes it spends laboriously checking out the code. >> >> Thanks >> >> Dave >> >> -- >> Juju-dev mailing list >> <a href="mailto:Juju-dev@lists.ubuntu.com" target="_blank">Juju-dev@lists.ubuntu.com</a> >> Modify settings or unsubscribe at: >> <a href="https://lists.ubuntu.com/mailman/listinfo/juju-dev" rel="noreferrer" target="_blank">https://lists.ubuntu.com/mailman/listinfo/juju-dev</a> > > -- Juju-dev mailing list <a href="mailto:Juju-dev@lists.ubuntu.com" target="_blank">Juju-dev@lists.ubuntu.com</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/juju-dev" rel="noreferrer" target="_blank">https://lists.ubuntu.com/mailman/listinfo/juju-dev</a> </blockquote></div>