$ git clone -n https://src.fedoraproject.org/rpms/emacs-json-snatcher.git /var/lib/mock/f45-build-8103-376/root/chroot_tmpdir/scmroot/emacs-json-snatcher
Cloning into '/var/lib/mock/f45-build-8103-376/root/chroot_tmpdir/scmroot/emacs-json-snatcher'...
$ git fetch origin beba6980cf2fa94637395dfcfe3b003f06bd5f45:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/emacs-json-snatcher
 * [new ref]         beba6980cf2fa94637395dfcfe3b003f06bd5f45 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at beba698 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild