GIT-UPLOAD-PACK(1) Git Manual GIT-UPLOAD-PACK(1)
NAME
git-upload-pack - Send objects packed back to git-fetch-pack
SYNOPSIS
git-upload-pack [--[no-]strict] [--timeout=<n>] [--stateless-rpc]
[--advertise-refs] <directory>
DESCRIPTION
Invoked by git fetch-pack, learns what objects the other side is missing, and sends them
after packing.
This command is usually not invoked directly by the end user. The UI for the protocol is
on the git fetch-pack side, and the program pair is meant to be used to pull updates from
a remote repository. For push operations, see git send-pack.
OPTIONS
--[no-]strict
Do not try <directory>/.git/ if <directory> is no Git directory.
--timeout=<n>
Interrupt transfer after <n> seconds of inactivity.
--stateless-rpc
Perform only a single read-write cycle with stdin and stdout. This fits with the HTTP
POST request processing model where a program may read the request, write a response,
and must exit.
--http-backend-info-refs
Used by git-http-backend(1) to serve up $GIT_URL/info/refs?service=git-upload-pack
requests. See "Smart Clients" in the HTTP transfer protocols[1] documentation and
"HTTP Transport" in the Git Wire Protocol, Version 2[2] documentation. Also understood
by git-receive-pack(1).
<directory>
The repository to sync from.
ENVIRONMENT
GIT_PROTOCOL
Internal variable used for handshaking the wire protocol. Server admins may need to
configure some transports to allow this variable to be passed. See the discussion in
git(1).
GIT_NO_LAZY_FETCH
When cloning or fetching from a partial repository (i.e., one itself cloned with
--filter), the server-side upload-pack may need to fetch extra objects from its
upstream in order to complete the request. By default, upload-pack will refuse to
perform such a lazy fetch, because git fetch may run arbitrary commands specified in
configuration and hooks of the source repository (and upload-pack tries to be safe to
run even in untrusted .git directories).
This is implemented by having upload-pack internally set the GIT_NO_LAZY_FETCH
variable to 1. If you want to override it (because you are fetching from a partial
clone, and you are sure you trust it), you can explicitly set GIT_NO_LAZY_FETCH to 0.
SEE ALSO
gitnamespaces(7)
GIT
Part of the git(1) suite
NOTES
1. the HTTP transfer protocols
file:///usr/share/doc/git/html/technical/http-protocol.html
2. the Git Wire Protocol, Version 2
file:///usr/share/doc/git/html/technical/protocol-v2.html
Git 2.34.1 07/09/2025 GIT-UPLOAD-PACK(1)
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