$ git clone -n http://git.inferitos.ru/rpms/mythes-sl /var/lib/mock/inferit-8_8-build-15357-23060/root/chroot_tmpdir/scmroot/mythes-sl
Cloning into '/var/lib/mock/inferit-8_8-build-15357-23060/root/chroot_tmpdir/scmroot/mythes-sl'...
$ git fetch origin changed/i8c/mythes-sl-0.20130130-11.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/mythes-sl
 * [new tag]         changed/i8c/mythes-sl-0.20130130-11.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4840f3 edit changelog for import mythes-sl-0.20130130-11.el8