$ git clone -n https://src.fedoraproject.org/rpms/ghc-time-manager.git /var/lib/mock/f45-build-10891-425/root/chroot_tmpdir/scmroot/ghc-time-manager
Cloning into '/var/lib/mock/f45-build-10891-425/root/chroot_tmpdir/scmroot/ghc-time-manager'...
$ git fetch origin f48b3c3e99b050eb0028031255f8d4e6faea7632:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-time-manager
 * [new ref]         f48b3c3e99b050eb0028031255f8d4e6faea7632 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f48b3c3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild