[PATCH] rebase: do not print lots of usage hints after an obvious error message

From: Johannes Sixt <j6t@kdbg.org>

When a non-existent branch was specified to be rebased, the complete usage information is printed after the error message that carries the relevant piece of information:

   $ git rebase master topci
   fatal: no such branch: topci
   usage: git rebase [-i] [options] [--onto <newbase>] [<upstream>] [<branch>]
      or: git rebase [-i] [options] --onto <newbase> --root [<branch>]
      or: git-rebase [-i] --continue | --abort | --skip

   Available options are
   [30 lines of usage stripped]

The error message was introduced recently by 4ac5356c (rebase: give a better error message for bogus branch, 2011-01-27), and the result was acceptable because the usage text was just two lines. But 45e2acf3 (rebase: define options in OPTIONS_SPEC, 2011-02-28) made things worse because the usage text is now 35 lines.

Just drop the usage information because it does not add value to the error message.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
---
 Note: git-sh-setup's die() does not print "fatal: ".

 git-rebase.sh |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)