tests/__init__.py keeps a run offline, its scratch under tmp/ and its
installer cache its own, but only discover -s tests -t . imported it.
discover tests ran with RETROBIOS_OFFLINE unset, scratch on the /tmp
tmpfs and the user's real installer cache, the setting in which e2e
fixtures had written into the shared .cache/large. Every test module now
imports the package first, and a test fails on a module that does not.
test_verify_listing.py took its line with the previous commit.
Five generate_site helpers read ./emulators or ./platforms, and
has_release_pack read platforms relative to the working directory: run
from scripts/, a released setup's get page showed the No ZIP line.
siterender's fallbacks and sitediagrams read the repository too. All of
them now read siteinputs. platforms/_guides.yml stays the repository's:
siteguides loads it at import, before any flag is parsed.
The page-finishing pass reloaded the repository's database.json whatever
--db said, so a card held only by the given collection raised KeyError.
siteinputs holds the inputs generate_site was given.