$ git clone -n https://src.fedoraproject.org/rpms/rust-two-face.git /var/lib/mock/f45-build-45783-827/root/chroot_tmpdir/scmroot/rust-two-face
Cloning into '/var/lib/mock/f45-build-45783-827/root/chroot_tmpdir/scmroot/rust-two-face'...
$ git fetch origin a426afa2926b6e3af41c4afc8510254d0dfb13cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-two-face
 * [new ref]         a426afa2926b6e3af41c4afc8510254d0dfb13cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a426afa Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild