$ git clone -n https://src.fedoraproject.org/rpms/touchegg.git /var/lib/mock/f45-build-37336-714/root/chroot_tmpdir/scmroot/touchegg
Cloning into '/var/lib/mock/f45-build-37336-714/root/chroot_tmpdir/scmroot/touchegg'...
$ git fetch origin 457f8de008a4e41af3373f3c2488629f5eb46d40:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/touchegg
 * [new ref]         457f8de008a4e41af3373f3c2488629f5eb46d40 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 457f8de Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild