$ git clone -n https://src.fedoraproject.org/rpms/electrum.git /var/lib/mock/f45-build-8017-372/root/chroot_tmpdir/scmroot/electrum
Cloning into '/var/lib/mock/f45-build-8017-372/root/chroot_tmpdir/scmroot/electrum'...
$ git fetch origin 027841873d3c661a2fcc5befc004c168326a173a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/electrum
 * [new ref]         027841873d3c661a2fcc5befc004c168326a173a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0278418 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild