ATM git-annex init on a new clone would try to sense the remote regarding git-annex support and would try to fetch its /config. If that fails it would announce that remote ignored for annex.
...
Switched to branch 'adjusted/master(unlocked)'
download failed: Not Found
Remote origin not usable by git-annex; setting annex-ignore
and that download failed, thanks to --debug output comes from
[2018-09-28 12:52:12.541757374] Request {
host = "github.com"
port = 443
secure = True
requestHeaders = [("Range","bytes=0-"),("Accept-Encoding","identity")]
path = "/psychoinformatics-de/studyforrest-data-structural/config"
queryString = ""
method = "GET"
proxy = Nothing
rawBody = False
redirectCount = 10
responseTimeout = ResponseTimeoutDefault
requestVersion = HTTP/1.1
}
download failed: Not Found
Remote origin not usable by git-annex; setting annex-ignore
IMHO that "download failed: " message output should be provided only in --debug mode. Otherwise, if exposed to naive user it is an uninformative alarm, which (if he/she knows) is clarified by the follow up message ("Remote origin not usable ...")
ref: https://github.com/datalad/datalad/pull/2881#issue-218977359