$ git clone -n https://src.fedoraproject.org/rpms/endless-sky.git /var/lib/mock/f45-build-8325-384/root/chroot_tmpdir/scmroot/endless-sky
Cloning into '/var/lib/mock/f45-build-8325-384/root/chroot_tmpdir/scmroot/endless-sky'...
$ git fetch origin d5c5d8142ae1f6f93d0b6da11d08eb0c8e12f7df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/endless-sky
 * [new ref]         d5c5d8142ae1f6f93d0b6da11d08eb0c8e12f7df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d5c5d81 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild