$ git clone -n http://git.inferitos.ru/rpms/gnu-free-fonts /var/lib/mock/inferit-8_8-build-12618-22642/root/chroot_tmpdir/scmroot/gnu-free-fonts
Cloning into '/var/lib/mock/inferit-8_8-build-12618-22642/root/chroot_tmpdir/scmroot/gnu-free-fonts'...
$ git fetch origin changed/i8c/gnu-free-fonts-20120503-18.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/gnu-free-fonts
 * [new tag]         changed/i8c/gnu-free-fonts-20120503-18.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc0b8b9 edit changelog for import gnu-free-fonts-20120503-18.el8