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Added a comment: external backend protocol

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Ilya_Shlyakhter 2020-07-21 17:43:27 +00:00 • committed by admin
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[[!comment format=mdwn
username="Ilya_Shlyakhter"
avatar="http://cdn.libravatar.org/avatar/1647044369aa7747829c38b9dcc84df0"
subject="external backend protocol"
date="2020-07-21T17:43:27Z"
content="""
1. What is the advantage of a separate `VERIFYCONTENT` request, vs calling `GENKEY` and comparing the result?
2. Can the protocol specify that the file passed to `GENKEY` may be a named pipe? Or, add a `CANPIPE` request where the external backend program tells git-annex that it can take pipes; if the program can't, git-annex can always drain the pipe to a tempfile before passing it to the program.
3. \"While stderr is connected to the console and so visible to the user, the program should avoid using it\" -- then maybe add `DEBUG` and `INFO` requests as in the [[design/external_special_remote_protocol]]?
"""]]