$ git clone -n https://src.fedoraproject.org/rpms/ghc-wai-cors.git /var/lib/mock/f45-build-10956-425/root/chroot_tmpdir/scmroot/ghc-wai-cors
Cloning into '/var/lib/mock/f45-build-10956-425/root/chroot_tmpdir/scmroot/ghc-wai-cors'...
$ git fetch origin 6f58555016ba00c88d043e28f69ae0548cd8fe1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-wai-cors
 * [new ref]         6f58555016ba00c88d043e28f69ae0548cd8fe1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f58555 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild