$ git clone -n http://git.inferitos.ru/rpms/boost /var/lib/mock/inferit-10_0-bootstrap-build-68247-150610/root/chroot_tmpdir/scmroot/boost
Cloning into '/var/lib/mock/inferit-10_0-bootstrap-build-68247-150610/root/chroot_tmpdir/scmroot/boost'...
$ git fetch origin changed/i10c-beta/boost-1.83.0-4.el10:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/boost
 * [new tag]         changed/i10c-beta/boost-1.83.0-4.el10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d91687c import boost-1.83.0-4.el10