On Sun, Oct 10, 2021 at 04:10:38PM -0400, Tom Lane wrote: > Noah Misch <n...@leadboat.com> writes: > > On Sun, Oct 10, 2021 at 01:17:10PM -0400, Tom Lane wrote: > >> The closest I can get to what we want using cpanm is with this recipe: > >> cpanm install Test::Simple@0.87_01 > >> cpanm install IPC::Run@0.79 > >> cpanm install ExtUtils::MakeMaker@6.50 # downgrade > > > While the MakeMaker litter is annoying, I'm not too worried about it. The > > only other thing I'd consider is doing the MakeMaker 6.50 install before > > Test::Simple, not after. > > Tried that to begin with, doesn't work. There are at least two problems: > > 1. Before anything else, the first invocation of "cpanm install" wants > to pull in "install". That seems to be a dummy module, but it's not > without side-effects: it updates ExtUtils to current. If your first > request is "cpanm install ExtUtils::MakeMaker@6.50", the version > specification is effectively ignored. > > 2. I then tried doing a second "cpanm install ExtUtils::MakeMaker@6.50", > and that did successfully downgrade to 6.50 ... but then the request > to update Test::Simple upgraded it again. I'm not really sure why > that happened. It looks more like a cpanm bug than anything Test::Simple > asked for. > > I didn't do exhaustive experimentation to see if putting the downgrade > before "install IPC::Run" would work. I think we're best off assuming > that cpanm will cause that upgrade due to phase-of-the-moon conditions, > so putting the downgrade last is the most robust recipe.
Got it. Good enough!
