$ git clone -n https://src.fedoraproject.org/rpms/ghc-microlens-platform.git /var/lib/mock/f45-build-10526-418/root/chroot_tmpdir/scmroot/ghc-microlens-platform
Cloning into '/var/lib/mock/f45-build-10526-418/root/chroot_tmpdir/scmroot/ghc-microlens-platform'...
$ git fetch origin 68f9e48b1a90b44be180a84419a458aa38777487:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-microlens-platform
 * [new ref]         68f9e48b1a90b44be180a84419a458aa38777487 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68f9e48 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild