$ git clone -n https://src.fedoraproject.org/rpms/xteddy.git /var/lib/mock/f45-build-39156-732/root/chroot_tmpdir/scmroot/xteddy
Cloning into '/var/lib/mock/f45-build-39156-732/root/chroot_tmpdir/scmroot/xteddy'...
$ git fetch origin e1b8b434cd3bf0766cbc6b3b64036c0e300433f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xteddy
 * [new ref]         e1b8b434cd3bf0766cbc6b3b64036c0e300433f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1b8b43 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild