$ git clone -n https://src.fedoraproject.org/rpms/rust-ordered-float2.git /var/lib/mock/f45-build-43589-804/root/chroot_tmpdir/scmroot/rust-ordered-float2
Cloning into '/var/lib/mock/f45-build-43589-804/root/chroot_tmpdir/scmroot/rust-ordered-float2'...
$ git fetch origin 48d9e3891fa944a14d833cd5d651e45d44e20f13:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ordered-float2
 * [new ref]         48d9e3891fa944a14d833cd5d651e45d44e20f13 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48d9e38 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild