[BUG] ? - git log :/text results are strange

Hi,

When I’m executing $ git log :/fix

I expect to see commits with messages starting from word “fix” only in git.git I’m getting a list of commits where some of messages are starting from this word and some are not

as this:

$ git log :/fix

commit a525d2a41825530c01fd5eac497df0fcd82dca0b
Author: Junio C Hamano <gitster@pobox.com>
Date:   Tue Dec 8 22:16:55 2009 -0800

   fixup! rebase -i --autosquash

commit 66a357d9bac24cc9b8419c256b5e35c327d2997c
Author: Nanako Shiraishi <nanako3@lavabit.com>
Date:   Tue Dec 8 12:13:14 2009 +0900

   rebase -i --autosquash: auto-squash commits

   Teach a new option, --autosquash, to the interactive rebase.
   When the commit log message begins with "!fixup ...", and there
   is a commit whose title begins with the same ..., automatically
   modify the todo list of rebase -i so that the commit marked for
   squashing come right after the commit to be modified, and change
   the action of the moved commit from pick to squash.

   Signed-off-by: Nanako Shiraishi <nanako3@lavabit.com>
   Signed-off-by: Junio C Hamano <gitster@pobox.com>

commit 0205e72f088322a70a77643a7cd2d8b23ee07e14
Author: Michael Haggerty <mhagger@alum.mit.edu>
Date:   Mon Dec 7 10:20:59 2009 +0100

   Add a command "fixup" to rebase --interactive

   The command is like "squash", except that it discards the commit message
   of the corresponding commit.

   Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
   Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
   Signed-off-by: Junio C Hamano <gitster@pobox.com>

commit 163f3925902446735b2f631dc44ab67882a93024
Author: Michael Haggerty <mhagger@alum.mit.edu>
Date:   Mon Dec 7 05:22:58 2009 +0100

   t3404: Use test_commit to set up test repository

   Also adjust "expected" text to reflect the file contents generated by
   test_commit, which are slightly different than those generated by the
   old code.

   Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
   Signed-off-by: Junio C Hamano gitster@pobox.com

And so on…

This is reproducible problem on Linux env git v 1.6.5.6 and in msysgit 1.6.4.msysgit.0

Thanks, Eugene