[PATCH] Create documentation for git-bundle.

[Mark Levedahl <mdl123@verizon.net>]

Signed-off-by: Mark Levedahl <mdl123@verizon.net>
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+git-bundle(1)
+=============
+
+NAME
+----
+git-bundle - Package objects and refs for a disconnected repository
+
+
+SYNOPSIS
+--------
+'git-bundle' [--output=file] <git-rev-list args>
+
+DESCRIPTION
+-----------
+
+Some workflows require that one or more branches of development on
+one machine be replicated on another machine, but the two machines
+cannot be directly connected so the git-fetch protocol cannot be used.
+This command creates a bundle file containing objects and references
+that can be used to update another repository (using
+gitlink:git-unbundle[1]) without phsyically connecting the two.  As no
+direct connection exists, the user must specify a basis for the bundle
+that is held by the destination repository: the bundle assumes that
+all objects in the basis are already in the destination repository.
+
+OPTIONS
+-------
+
+--output=file::
+	Specifies the name of the bundle file. Default is
+        "bundle.tar" in the current directory.
+
+<git-rev-list args>::
+
+        A list of arguments, accepatble to git-rev-parse and
+        git-rev-list, that specify the specific objects and
+        references to transport. For example,  "master~10..master"
+        causes the current master reference to be packaged along with
+        all objects added since its 10th ancestor commit. There is no
+        explicit limit to the number of references and objects that
+        may be packaged.
+
+
+SPECIFYING REFERENCES
+---------------------
+
+git-bundle will only package references that are shown by
+git-show-ref: this includes heads, tags, and remote heads.  References
+such as master~1 cannot be packaged, but are perfectly suitable for
+defining the basis.  More than one reference may be packaged, and more
+than one basis can be specified.  The objects packaged are those not
+contained in the union of the given bases.  Each basis can be
+specified explicitly (e.g., ^master~10), or implicitly (e.g.,
+master~10..master, master --since=10.days.ago).
+
+It is very important that the basis used be held by the destination.
+It is ok to err on the side of conservatism, causing the bundle file
+to contain objects already in the destination as these are ignored
+when unpacking at the destination.
+
+EXAMPLE
+-------
+
+Assume two repositories exist as R1 on machine A, and R2 on machine B.
+For whatever reason, direct connection between A and B is not allowed,
+but we can move data from A to B via some mechanism (CD, email, etc).
+We want to update R2 with developments made on branch master in R1.
+We set a tag in R1 (lastR2bundle) after the previous such transport,
+and move it afterwards to help build the bundle.
+
+in R1 on A:
+git-bundle master ^lastR2bundle
+git tag -f lastR2bundle master
+
+(move bundle.tar from A to B by some mechanism)
+
+in R2 on B:
+git-unbundle bundle.tar (3)
+
+
+Author
+------
+Written by Mark Levedahl <mdl123@verizon.net>
+
+GIT
+---
+Part of the gitlink:git[7] suite
-- 
1.5.0.34.g6afaa