$ git clone -n http://git.inferitos.ru/rpms/nss /var/lib/mock/inferit-8_8-build-el8_8-29129-49348/root/chroot_tmpdir/scmroot/nss
Cloning into '/var/lib/mock/inferit-8_8-build-el8_8-29129-49348/root/chroot_tmpdir/scmroot/nss'...
$ git fetch origin changed/i8c/nss-3.90.0-3.el8_8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/nss
 * [new tag]         changed/i8c/nss-3.90.0-3.el8_8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62274c3 import nss-3.90.0-3.el8_8