$ git clone -n http://git.inferitos.ru/rpms/nv-codec-headers /var/lib/mock/inferit-8_9-extras-build-34324-66401/root/chroot_tmpdir/scmroot/nv-codec-headers
Cloning into '/var/lib/mock/inferit-8_9-extras-build-34324-66401/root/chroot_tmpdir/scmroot/nv-codec-headers'...
$ git fetch origin changed/i8ce/nv-codec-headers-9.1.23.3-1.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/nv-codec-headers
 * [new tag]         changed/i8ce/nv-codec-headers-9.1.23.3-1.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ce6ac9 import nv-codec-headers-9.1.23.3-1.el8