Documentation/githooks: Explain pre-rebase parameters

Descriptions borrowed from templates/hooks--pre-rebase.sample. Signed-off-by: W. Trevor King <wking@tremily.us> Signed-off-by: Junio C Hamano <gitster@pobox.com>

W. Trevor King committed Feb 23, 2013 at 10:27 UTC 0414acc3651a8e3ad938336b596e3de85e5d5d33
1 file changed +5 -3
Documentation/githooks.txt
+5 -3
@@ -140,9 +140,11 @@ the outcome of 'git commit'.
140 pre-rebase
141 ~~~~~~~~~~
142
143 -This hook is called by 'git rebase' and can be used to prevent a branch
144 -from getting rebased.
145 -
143 +This hook is called by 'git rebase' and can be used to prevent a
144 +branch from getting rebased. The hook may be called with one or
145 +two parameters. The first parameter is the upstream from which
146 +the series was forked. The second parameter is the branch being
147 +rebased, and is not set when rebasing the current branch.
148
149 post-checkout
150 ~~~~~~~~~~~~~