$ git clone -n http://git.inferitos.ru/rpms/polkit /var/lib/mock/inferit-8_8-build-13533-23032/root/chroot_tmpdir/scmroot/polkit
Cloning into '/var/lib/mock/inferit-8_8-build-13533-23032/root/chroot_tmpdir/scmroot/polkit'...
$ git fetch origin changed/i8c/polkit-0.115-15.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/polkit
 * [new tag]         changed/i8c/polkit-0.115-15.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42496af edit changelog for import polkit-0.115-15.el8