format-patch: preserve subject newlines with -k

diff --git a/builtin/log.c b/builtin/log.c
index 8d842cbcac8152798283a08d434506d6fcb69e76..0e46e5ae95a6ebb33d98cfde7505b50ed1a51c4d 100644 (file)
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -1131,6 +1131,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                die ("-n and -k are mutually exclusive.");
        if (keep_subject && subject_prefix)
                die ("--subject-prefix and -k are mutually exclusive.");
+       rev.preserve_subject = keep_subject;
 
        argc = setup_revisions(argc, argv, &rev, &s_r_opt);
        if (argc > 1)