strbuf_append_ext_header(&ext_header, "comment", sha1_to_hex(sha1), 40);
err = write_tar_entry(args, NULL, NULL, 0, 0, ext_header.buf,
ext_header.len);
strbuf_append_ext_header(&ext_header, "comment", sha1_to_hex(sha1), 40);
err = write_tar_entry(args, NULL, NULL, 0, 0, ext_header.buf,
ext_header.len);