$ git clone -n https://src.fedoraproject.org/rpms/arm-trusted-firmware.git /var/lib/mock/f38-build-side-42-init-devel-710499-27243/root/chroot_tmpdir/scmroot/arm-trusted-firmware
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-710499-27243/root/chroot_tmpdir/scmroot/arm-trusted-firmware'...
fatal: unable to access 'https://src.fedoraproject.org/rpms/arm-trusted-firmware.git/': The requested URL returned error: 503