$ git clone -n https://src.fedoraproject.org/rpms/rust-graphene-rs0.20.git /var/lib/mock/f45-build-42089-788/root/chroot_tmpdir/scmroot/rust-graphene-rs0.20
Cloning into '/var/lib/mock/f45-build-42089-788/root/chroot_tmpdir/scmroot/rust-graphene-rs0.20'...
$ git fetch origin ae699e4605d18c5c638223336935ab3e73d5ba2b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-graphene-rs0.20
 * [new ref]         ae699e4605d18c5c638223336935ab3e73d5ba2b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae699e4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild