refs: improve comments about "reading" argument of "resolve_ref"

diff --git a/builtin-rev-list.c b/builtin-rev-list.c
index 893762c80f4910fadf2d6df414bd835cccb7faaa..c023003b2bb6402f2e8d68c00b9e3a675c0065cd 100644 (file)
--- a/builtin-rev-list.c
+++ b/builtin-rev-list.c
@@ -645,7 +645,8 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix)
            revs.diff)
                usage(rev_list_usage);
 
-       save_commit_buffer = revs.verbose_header || revs.grep_filter;
+       save_commit_buffer = revs.verbose_header ||
+               revs.grep_filter.pattern_list;
        if (bisect_list)
                revs.limited = 1;