$ git clone -n http://git.inferitos.ru/rpms/frr /var/lib/mock/inferit-8_8-build-13606-23032/root/chroot_tmpdir/scmroot/frr
Cloning into '/var/lib/mock/inferit-8_8-build-13606-23032/root/chroot_tmpdir/scmroot/frr'...
$ git fetch origin changed/i8c/frr-7.5.1-7.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/frr
 * [new tag]         changed/i8c/frr-7.5.1-7.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c62a74 edit changelog for import frr-7.5.1-7.el8