$ git clone -n http://git.inferitos.ru/rpms/mozilla-filesystem /var/lib/mock/inferit-10_0-bootstrap-build-76083-151330/root/chroot_tmpdir/scmroot/mozilla-filesystem
Cloning into '/var/lib/mock/inferit-10_0-bootstrap-build-76083-151330/root/chroot_tmpdir/scmroot/mozilla-filesystem'...
$ git fetch origin changed/i10c-beta/mozilla-filesystem-1.9-34.el10:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/mozilla-filesystem
 * [new tag]         changed/i10c-beta/mozilla-filesystem-1.9-34.el10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b97da9 import mozilla-filesystem-1.9-34.el10