update-index --index-info: allow stage 0 entries.

Somehow we did not allow stuffing the index with stage 0 entries
through --index-info interface.  I do not think of a reason to
forbid it offhand.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/update-index.c b/update-index.c
index a84a04f..afec98d 100644 (file)
--- a/update-index.c
+++ b/update-index.c
@@ -367,7 +367,7 @@ static void read_index_info(int line_termination)
                if (!tab || tab - ptr < 41)
                        goto bad_line;
 
-               if (tab[-2] == ' ' && '1' <= tab[-1] && tab[-1] <= '3') {
+               if (tab[-2] == ' ' && '0' <= tab[-1] && tab[-1] <= '3') {
                        stage = tab[-1] - '0';
                        ptr = tab + 1; /* point at the head of path */
                        tab = tab - 2; /* point at tail of sha1 */