$ git clone -n http://git.inferitos.ru/rpms/python-psycopg2 /var/lib/mock/inferit-8_8-build-19281-28569/root/chroot_tmpdir/scmroot/python-psycopg2
Cloning into '/var/lib/mock/inferit-8_8-build-19281-28569/root/chroot_tmpdir/scmroot/python-psycopg2'...
$ git fetch origin changed/i8c/python-psycopg2-2.7.5-7.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/python-psycopg2
 * [new tag]         changed/i8c/python-psycopg2-2.7.5-7.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1241ae7 edit changelog for import python-psycopg2-2.7.5-7.el8