$ git clone -n http://git.inferitos.ru/rpms/xorg-x11-docs /var/lib/mock/inferit-8_8-build-17859-23083/root/chroot_tmpdir/scmroot/xorg-x11-docs
Cloning into '/var/lib/mock/inferit-8_8-build-17859-23083/root/chroot_tmpdir/scmroot/xorg-x11-docs'...
$ git fetch origin changed/i8c/xorg-x11-docs-1.7.1-7.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/xorg-x11-docs
 * [new tag]         changed/i8c/xorg-x11-docs-1.7.1-7.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d8b5a5e edit changelog for import xorg-x11-docs-1.7.1-7.el8