[PATCH] git-apply: Don't barf when --stat'ing a diff with no line changes.

Diffs with only mode changes didn't pass through git-apply --stat.

[ Linus' note: they did for me, on my ppc64, where division by zero just
silently returns zero.  Duh.  ]

Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/apply.c b/apply.c
index 7d9059ba94aaa4c7f3dc2c8059acb4aca2c3277b..8a3ead6c949ecc0a493f9525580fd90d6bc6ebcd 100644 (file)
--- a/apply.c
+++ b/apply.c
@@ -751,9 +751,11 @@ static void show_stats(struct patch *patch)
        del = patch->lines_deleted;
        total = add + del;
 
        del = patch->lines_deleted;
        total = add + del;
 

-       total = (total * max + max_change / 2) / max_change;
-       add = (add * max + max_change / 2) / max_change;
-       del = total - add;
+       if (max_change > 0) {
+               total = (total * max + max_change / 2) / max_change;
+               add = (add * max + max_change / 2) / max_change;
+               del = total - add;
+       }

        printf(" %-*s |%5d %.*s%.*s\n",
                len, name, patch->lines_added + patch->lines_deleted,
                add, pluses, del, minuses);
        printf(" %-*s |%5d %.*s%.*s\n",
                len, name, patch->lines_added + patch->lines_deleted,
                add, pluses, del, minuses);