$ git clone -n https://src.fedoraproject.org/rpms/ghc-base-prelude.git /var/lib/mock/f45-build-10008-412/root/chroot_tmpdir/scmroot/ghc-base-prelude
Cloning into '/var/lib/mock/f45-build-10008-412/root/chroot_tmpdir/scmroot/ghc-base-prelude'...
$ git fetch origin e4fdb53cefde72b4f7d429ee27bf2e5530d7f2df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-base-prelude
 * [new ref]         e4fdb53cefde72b4f7d429ee27bf2e5530d7f2df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4fdb53 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild