$ git clone -n http://git.inferitos.ru/rpms/imath /var/lib/mock/inferit-10_0-bootstrap-build-70445-150787/root/chroot_tmpdir/scmroot/imath
Cloning into '/var/lib/mock/inferit-10_0-bootstrap-build-70445-150787/root/chroot_tmpdir/scmroot/imath'...
$ git fetch origin changed/i10c-beta/imath-3.1.10-3.el10:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/imath
 * [new tag]         changed/i10c-beta/imath-3.1.10-3.el10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6bc7ca9 import imath-3.1.10-3.el10