$ git clone -n http://git.inferitos.ru/rpms/nss-mdns /var/lib/mock/inferit-8_9-extras-build-34274-65922/root/chroot_tmpdir/scmroot/nss-mdns
Cloning into '/var/lib/mock/inferit-8_9-extras-build-34274-65922/root/chroot_tmpdir/scmroot/nss-mdns'...
$ git fetch origin changed/i8e/nss-mdns-0.14.1-9.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/nss-mdns
 * [new tag]         changed/i8e/nss-mdns-0.14.1-9.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fb2ef6 Drop files