$ git clone -n http://git.inferitos.ru/rpms/fftw /var/lib/mock/inferit-9_1-bootstrap-build-side-15-6039-7549/root/chroot_tmpdir/scmroot/fftw
Cloning into '/var/lib/mock/inferit-9_1-bootstrap-build-side-15-6039-7549/root/chroot_tmpdir/scmroot/fftw'...
$ git fetch origin changed/i9c/fftw-3.3.8-12.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/fftw
 * [new tag]         changed/i9c/fftw-3.3.8-12.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b31e706 import fftw-3.3.8-12.el9