$ git clone -n http://git.inferitos.ru/rpms/gnutls /var/lib/mock/inferit-8_9-updates-build-38843-76377/root/chroot_tmpdir/scmroot/gnutls
Cloning into '/var/lib/mock/inferit-8_9-updates-build-38843-76377/root/chroot_tmpdir/scmroot/gnutls'...
$ git fetch origin changed/i8c/gnutls-3.6.16-8.el8_9.3:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/gnutls
 * [new tag]         changed/i8c/gnutls-3.6.16-8.el8_9.3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd79d06 import gnutls-3.6.16-8.el8_9.3