git-apply --stat: limit lines to 79 characters

It had already tried to do that, but with the independent
rounding of the number of '+' and '-' characters, it would
sometimes do 80-char lines after all.

diff --git a/apply.c b/apply.c
index dba8292..e0a1549 100644 (file)
--- a/apply.c
+++ b/apply.c
@@ -699,7 +699,7 @@ const char minuses[]= "---------------------------------------------------------
 static void show_stats(struct patch *patch)
 {
        char *name = patch->old_name;
-       int len, max, add, del;
+       int len, max, add, del, total;
 
        if (!name)
                name = patch->new_name;
@@ -721,9 +721,14 @@ static void show_stats(struct patch *patch)
        max = max_change;
        if (max + len > 70)
                max = 70 - len;
-       
-       add = (patch->lines_added * max + max_change/2) / max_change;
-       del = (patch->lines_deleted * max + max_change/2) / max_change;
+
+       add = patch->lines_added;
+       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;
        printf(" %-*s |%5d %.*s%.*s\n",
                len, name, patch->lines_added + patch->lines_deleted,
                add, pluses, del, minuses);