$ git clone -n https://src.fedoraproject.org/rpms/ghc-websockets.git /var/lib/mock/f45-build-10960-425/root/chroot_tmpdir/scmroot/ghc-websockets
Cloning into '/var/lib/mock/f45-build-10960-425/root/chroot_tmpdir/scmroot/ghc-websockets'...
$ git fetch origin 1280a057ae44bdbbc7b5813c06484aecfd13ec60:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-websockets
 * [new ref]         1280a057ae44bdbbc7b5813c06484aecfd13ec60 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1280a05 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild