$ git clone -n http://git.inferitos.ru/rpms/x264 /var/lib/mock/inferit-8_9-extras-build-34368-66765/root/chroot_tmpdir/scmroot/x264
Cloning into '/var/lib/mock/inferit-8_9-extras-build-34368-66765/root/chroot_tmpdir/scmroot/x264'...
$ git fetch origin changed/i8cr/x264-0.157-12.20190717git34c06d1.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/x264
 * [new tag]         changed/i8cr/x264-0.157-12.20190717git34c06d1.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d99770 import x264-0.157-12.20190717git34c06d1.el8