do not write null sha1s to on-disk index

diff --git a/Documentation/git-index-pack.txt b/Documentation/git-index-pack.txt
index f3ccc72f0d68f03cd7b3fb6a36aabc8d7c7772a1..909687fed4269d8ad2e02b90d5a1f56fbcfde40e 100644 (file)
--- a/Documentation/git-index-pack.txt
+++ b/Documentation/git-index-pack.txt
@@ -59,10 +59,10 @@ OPTIONS
        the newly constructed pack and index before refs can be
        updated to use objects contained in the pack.
 
---keep='why'::
+--keep=<msg>::
        Like --keep create a .keep file before moving the index into
        its final destination, but rather than creating an empty file
-       place 'why' followed by an LF into the .keep file.  The 'why'
+       place '<msg>' followed by an LF into the .keep file.  The '<msg>'
        message can later be searched for within all .keep files to
        locate any which have outlived their usefulness.
 
@@ -85,15 +85,6 @@ new .keep file was successfully created. This is useful to remove a
 .keep file used as a lock to prevent the race with 'git repack'
 mentioned above.
 
-
-Author
-------
-Written by Sergey Vlasov <vsu@altlinux.ru>
-
-Documentation
--------------
-Documentation by Sergey Vlasov
-
 GIT
 ---
 Part of the linkgit:git[1] suite