initial public
pyuwsgi will add itself; drop unused env var
drop -z,now from LDFLAGS; add -flto to [future] CFLAGS
lets NOT package the build directory into zippy.whl
entry_points.txt might need dedent (gunicorn)
drop scheme=legacy... we be pure metadata 2.x!
TODO/FIXME for dupe deps issue
exclude extern from zippy.whl (TODO: whitelist?)
reminder for possible upstream patch
quiet down unzip
use metadata.METADATA_FILENAME over pydist.json
drop file:// from source_url; normalize .tgz -> .tar.gz
implement JSONDirectoryLocator to load *.pydist.json
upstream/distlib: can't have a set() in a set()
initialize builtin extensions when zippy starts
fix dependency resolution
try to update dist.metadata after dumping pydist.json

FIXME: possible dist.metadata._data == None???
include bin/activate
reminder to switch to {ident}.json marker
drop pointless use of imap/repeat