$ git clone -n https://src.fedoraproject.org/rpms/python-solcx.git /var/lib/mock/f45-build-33014-665/root/chroot_tmpdir/scmroot/python-solcx
Cloning into '/var/lib/mock/f45-build-33014-665/root/chroot_tmpdir/scmroot/python-solcx'...
$ git fetch origin b99c69bddf079c3175962fd9cc5fbba2900b0831:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-solcx
 * [new ref]         b99c69bddf079c3175962fd9cc5fbba2900b0831 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b99c69b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild