$ git clone -n https://src.fedoraproject.org/rpms/ghc-time-compat.git /var/lib/mock/f45-build-10878-425/root/chroot_tmpdir/scmroot/ghc-time-compat
Cloning into '/var/lib/mock/f45-build-10878-425/root/chroot_tmpdir/scmroot/ghc-time-compat'...
$ git fetch origin 75cba12ebb2cd1dae6a2cc7faa2d93fcfc6c75e5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-time-compat
 * [new ref]         75cba12ebb2cd1dae6a2cc7faa2d93fcfc6c75e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75cba12 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild