$ git clone -n https://src.fedoraproject.org/rpms/wkhtmltopdf.git /var/lib/mock/f31-build-60611-28754/root/chroot_tmpdir/scmroot/wkhtmltopdf
Cloning into '/var/lib/mock/f31-build-60611-28754/root/chroot_tmpdir/scmroot/wkhtmltopdf'...
$ git reset --hard b8d9c2cb9b374123803525a88c9659bfe02fed83
HEAD is now at b8d9c2c - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild