$ git clone -n http://git.inferitos.ru/rpms/perl-Mozilla-CA /var/lib/mock/inferit-8_8-bootstrap-build-28483-48035/root/chroot_tmpdir/scmroot/perl-Mozilla-CA
Cloning into '/var/lib/mock/inferit-8_8-bootstrap-build-28483-48035/root/chroot_tmpdir/scmroot/perl-Mozilla-CA'...
$ git fetch origin changed/i8c/perl-Mozilla-CA-20160104-7.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/perl-Mozilla-CA
 * [new tag]         changed/i8c/perl-Mozilla-CA-20160104-7.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46e6373 edit changelog for import perl-Mozilla-CA-20160104-7.el8