Include checkpoint command in the BNF.

This command isn't encouraged (as its slow) but it does exist and
is accepted, so it still should be covered in the BNF.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/fast-import.c b/fast-import.c
index f62a5a9f6c..1559f9c0ff 100644
--- a/fast-import.c
+++ b/fast-import.c
@@ -7,6 +7,7 @@ Format of STDIN stream:
         | new_commit
         | new_tag
         | reset_branch
+        | checkpoint
         ;
 
   new_blob ::= 'blob' lf