notes: disallow reusing non-blob as a note object

diff --git a/builtin/notes.c b/builtin/notes.c
index e4100c49820306b881a20db4bb3af7c13f12c019..c11d6e6dc82c3d52329c04a848bf6f02c2768854 100644 (file)
--- a/builtin/notes.c
+++ b/builtin/notes.c
@@ -269,7 +269,11 @@ static int parse_reuse_arg(const struct option *opt, const char *arg, int unset)
                die(_("Failed to resolve '%s' as a valid ref."), arg);
        if (!(buf = read_sha1_file(object, &type, &len)) || !len) {
                free(buf);
-               die(_("Failed to read object '%s'."), arg);;
+               die(_("Failed to read object '%s'."), arg);
+       }
+       if (type != OBJ_BLOB) {
+               free(buf);
+               die(_("Cannot read note data from non-blob object '%s'."), arg);
        }
        strbuf_add(&(msg->buf), buf, len);
        free(buf);