Add git-reup and friends

docs/src/git-new-branch.txt

Index: docs/src/git-new-branch.txt
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+git-new-branch(1)
+=================
+
+NAME
+----
+git-new-branch -
+include::_git-new-branch_desc.helper.txt[]
+
+SYNOPSIS
+--------
+[verse]
+'git new-branch' <branch_name>
+'git new-branch' --upstream_current <branch_name>
+'git new-branch' --upstream <REF> <branch_name>
+'git new-branch' --lkgr <branch_name>
+
+DESCRIPTION
+-----------
+
+Creates a new branch. By default the new branch will track the configured
+upstream for the repo (defaults to 'origin/master'). If one of the other options
+is specified, it will track that other ref instead.
+
+Conceptually, each branch in your repo represents one 'Change List (CL)'. If you
+have many independent CLs (i.e. the changes in one do not interact with/depend
+on the changes in another), then you should create them as new branches tracking
+the default upstream (i.e. `git new-branch <branch_name>`). If you have features

[agable, 2014/03/25 19:37:23]

link to new-branch doc

[iannucci, 2014/03/26 01:39:49]

Er... I'm IN the new-branch doc :P

+which depend on each other, you should create stacked branches using `git
+new-branch --upstream_current <branch_name>`.
+
+OPTIONS
+-------
+
+--upstream_current::
+	Set the tracking (upstream) branch to the currently-checked-out branch.
+
+--uptstream <REF>::
+	Set the tracking (upstream) branch to <REF>. <REF> may be a local branch,

[agable, 2014/03/25 19:37:23]

80 chars

[iannucci, 2014/03/26 01:39:49]

It's tab expansion!!!!!! (and we need tabs here :/)

edit: it's our lucky day. Looks like space-indent also works!

+	remote branch, or a tag.
+
+--lkgr::
+	Alias for `--upstream lkgr`.
+
+<branch_name>::
+	The name for the new branch.
+
+
+CONFIGURATION VARIABLES
+-----------------------
+
+depot-tools.upstream
+~~~~~~~~~~~~~~~~~~~~
+
+This configures the default 'upstream' for all new branches. If it is unset, it
+defaults to 'origin/master'.
+
+EXAMPLE
+-------
+
+[subs="specialcharacters,quotes,attributes,callouts"]
+----
+[white]**$ git map-branches**
+[red]#origin/master#
+  [green]#cool_feature#
+    [green]#subfeature#
+  [aqua]#frozen_changes *#
+[white]**$ git new-branch independent_cl**
+[white]**$ git map-branches**
+[red]#origin/master#
+  [green]#cool_feature#
+    [green]#subfeature#
+  [green]#frozen_changes#
+  [aqua]#independent_cl *#
+[white]**$ git new-branch --upstream subfeature nested_cl**
+[white]**$ git map-branches**
+[red]#origin/master#
+  [green]#cool_feature#
+    [aqua]#subfeature#  <1>
+      [aqua]#nested_cl *#
+  [green]#frozen_changes#
+  [green]#independent_cl#
+[white]**$ git checkout cool_feature**
+[white]**$ git new-branch --upstream_current cl_depends_on_cool_feature**
+[white]**$ git map-branches**
+[red]#origin/master#
+  [aqua]#cool_feature#
+    [aqua]#cl_depends_on_cool_feature *#
+    [green]#subfeature#
+      [green]#nested_cl#
+  [green]#frozen_changes#
+  [green]#independent_cl#
+----
+<1> Note that both branches are cyan because they are currently the same
+'commit' object. See linkgit::git-map-branches[1] for more detail.
+
+include::_aliases.txt[]
+
+----
+[alias]
+  git nb = new-branch
+  git tb = new-branch --upstream_current  <1>
+----
+<1> mnemonic: tb -> "track branch"
+
+
+SEE ALSO
+--------
+linkgit:git-rebase-update[1], linkgit:git-reparent-branch[1],
+linkgit:git-rename-branch[1], linkgit:git-upstream-diff[1]
+
+include::_footer.txt[]
+
+// vim: ft=asciidoc noexpandtab: