$ git clone -n http://git.inferitos.ru/rpms/emacs /var/lib/mock/inferit-8_8-bootstrap-build-27993-47096/root/chroot_tmpdir/scmroot/emacs
Cloning into '/var/lib/mock/inferit-8_8-bootstrap-build-27993-47096/root/chroot_tmpdir/scmroot/emacs'...
$ git fetch origin changed/i8c/emacs-26.1-11.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/emacs
 * [new tag]         changed/i8c/emacs-26.1-11.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4764b80 import emacs-26.1-11.el8