$ git clone -n https://src.fedoraproject.org/rpms/electrum.git /var/lib/mock/f41-build-side-1-2893041-34611/root/chroot_tmpdir/scmroot/electrum
Cloning into '/var/lib/mock/f41-build-side-1-2893041-34611/root/chroot_tmpdir/scmroot/electrum'...
$ git fetch origin a0865cc24f01609c28da2c05f3f1d2294ccea712:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/electrum
 * [new ref]         a0865cc24f01609c28da2c05f3f1d2294ccea712 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0865cc Add patch to fix Electrum with python-trezor 0.13.9