From Get docs



git-remote-fd - Reflect smart transport stream back to caller


"fd::[,][/]" (as URL)


This helper uses specified file descriptors to connect to a remote Git server. This is not meant for end users but for programs and scripts calling git fetch, push or archive.

If only is given, it is assumed to be a bidirectional socket connected to remote Git server (git-upload-pack, git-receive-pack or git-upload-archive). If both and are given, they are assumed to be pipes connected to a remote Git server ( being the inbound pipe and being the outbound pipe.

It is assumed that any handshaking procedures have already been completed (such as sending service request for git://) before this helper is started.

can be any string. It is ignored. It is meant for providing information to user in the URL in case that URL is displayed in some context.

Environment variables

If set, prints debugging information about various reads/writes.


git fetch fd::17 master
Fetch master, using file descriptor #17 to communicate with git-upload-pack.
git fetch fd::17/foo master
Same as above.
git push fd::7,8 master (as URL)
Push master, using file descriptor #7 to read data from git-receive-pack and file descriptor #8 to write data to same service.
git push fd::7,8/bar master
Same as above.

See also

© 2012–2021 Scott Chacon and others
Licensed under the MIT License.