$ git clone -n https://src.fedoraproject.org/rpms/ghc-time-manager.git /var/lib/mock/f40-build-743582-111265/root/chroot_tmpdir/scmroot/ghc-time-manager
Cloning into '/var/lib/mock/f40-build-743582-111265/root/chroot_tmpdir/scmroot/ghc-time-manager'...
$ git fetch origin 0393a703ccb33838b853b2cf0d850d5f2e47b735:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-time-manager
 * [new ref]         0393a703ccb33838b853b2cf0d850d5f2e47b735 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0393a70 bump release