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+git-remote-ext(1)
+=================
+
+NAME
+----
+git-remote-ext - Bridge smart transport to external command.
+
+SYNOPSIS
+--------
+git remote add nick "ext::<command>[ <arguments>...]"
+
+DESCRIPTION
+-----------
+This remote helper uses the specified 'program' to connect
+to a remote git server.
+
+Data written to stdin of this specified 'program' is assumed
+to be sent to git:// server, git-upload-pack, git-receive-pack
+or git-upload-archive (depending on situation), and data read
+from stdout of this program is assumed to be received from
+the same service.
+
+Command and arguments are separated by unescaped space.
+
+The following sequences have a special meaning:
+
+'% '::
+ Literal space in command or argument.
+
+'%%'::
+ Literal percent sign.
+
+'%s'::
+ Replaced with name (receive-pack, upload-pack, or
+ upload-archive) of the service git wants to invoke.
+
+'%S'::
+ Replaced with long name (git-receive-pack,
+ git-upload-pack, or git-upload-archive) of the service
+ git wants to invoke.
+
+'%G' (must be first characters in argument)::
+ This argument will not be passed to 'program'. Instead, it
+ will cause helper to start by sending git:// service request to
+ remote side with service field set to approiate value and
+ repository field set to rest of the argument. Default is not to send
+ such request.
++
+This is useful if remote side is git:// server accessed over
+some tunnel.
+
+'%V' (must be first characters in argument)::
+ This argument will not be passed to 'program'. Instead it sets
+ the vhost field in git:// service request (to rest of the argument).
+ Default is not to send vhost in such request (if sent).
+
+ENVIRONMENT VARIABLES:
+----------------------
+
+GIT_TRANSLOOP_DEBUG::
+ If set, prints debugging information about various reads/writes.
+
+ENVIRONMENT VARIABLES PASSED TO COMMAND:
+----------------------------------------
+
+GIT_EXT_SERVICE::
+ Set to long name (git-upload-pack, etc...) of service helper needs
+ to invoke.
+
+GIT_EXT_SERVICE_NOPREFIX::
+ Set to long name (upload-pack, etc...) of service helper needs
+ to invoke.
+
+
+EXAMPLES:
+---------
+This remote helper is transparently used by git when
+you use commands such as "git fetch <URL>", "git clone <URL>",
+, "git push <URL>" or "git remote add nick <URL>", where <URL>
+begins with `ext::`. Examples:
+
+"ext::ssh -i /home/foo/.ssh/somekey user&#64;host.example %S 'foo/repo'"::
+ Like host.example:foo/repo, but use /home/foo/.ssh/somekey as
+ keypair and user as user on remote side. This avoids needing to
+ edit .ssh/config.
+
+"ext::socat -t3600 - ABSTRACT-CONNECT:/git-server %G/somerepo"::
+ Represents repository with path /somerepo accessable over
+ git protocol at abstract namespace address /git-server.
+
+"ext::git-server-alias foo %G/repo"::
+ Represents a repository with path /repo accessed using the
+ helper program "git-server-alias foo". The path to the
+ repository and type of request are not passed on the command
+ line but as part of the protocol stream, as usual with git://
+ protocol.
+
+"ext::git-server-alias foo %G/repo %Vfoo"::
+ Represents a repository with path /repo accessed using the
+ helper program "git-server-alias foo". The hostname for the
+ remote server passed in the protocol stream will be "foo"
+ (this allows multiple virtual git servers to share a
+ link-level address).
+
+"ext::git-server-alias foo %G/repo% with% spaces %Vfoo"::
+ Represents a repository with path '/repo with spaces' accessed
+ using the helper program "git-server-alias foo". The hostname for
+ the remote server passed in the protocol stream will be "foo"
+ (this allows multiple virtual git servers to share a
+ link-level address).
+
+"ext::git-ssl foo.example /bar"::
+ Represents a repository accessed using the helper program
+ "git-ssl foo.example /bar". The type of request can be
+ determined by the helper using environment variables (see
+ above).
+
+Documentation
+--------------
+Documentation by Ilari Liusvaara, Jonathan Nieder and the git list
+<git@vger.kernel.org>
+
+GIT
+---
+Part of the linkgit:git[1] suite