git-annex/doc/todo/add_sftp_backend.mdwn

A sftp backend would be nice because gpg operations could be pipelined to the network transfer, not requiring the creation of a full file to disk with gpg before the network transmission, as it happens with rsync.

There should be some libraries that can handle the sftp connections and transfers. I read that even curl has support for that.

> Another reason to build this is that sftp has a `SFTP_FXP_STAT`
> that can get disk free space information. "echo df | sftp user@host"
> exposes this, when available. Some sftp servers can be locked down
> so that the user can't run git-annex on them, so that could be the only
> way to get diskreserve working for such a remote. --[[Joey]]
Merge branch 'master' of ssh://git-annex.branchable.com 2016-03-09 17:13:28 +00:00			`A sftp backend would be nice because gpg operations could be pipelined to the network transfer, not requiring the creation of a full file to disk with gpg before the network transmission, as it happens with rsync.`

			`There should be some libraries that can handle the sftp connections and transfers. I read that even curl has support for that.`
another reason 2016-04-05 18:29:33 +00:00
			> Another reason to build this is that sftp has a `SFTP_FXP_STAT`
			`> that can get disk free space information. "echo df \| sftp user@host"`
			`> exposes this, when available. Some sftp servers can be locked down`
			`> so that the user can't run git-annex on them, so that could be the only`
			`> way to get diskreserve working for such a remote. --[[Joey]]`