$ git clone -n http://git.inferitos.ru/rpms/xcb-util /var/lib/mock/inferit-8_8-build-17677-23083/root/chroot_tmpdir/scmroot/xcb-util
Cloning into '/var/lib/mock/inferit-8_8-build-17677-23083/root/chroot_tmpdir/scmroot/xcb-util'...
$ git fetch origin changed/i8c/xcb-util-0.4.0-10.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/xcb-util
 * [new tag]         changed/i8c/xcb-util-0.4.0-10.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fbab4bc edit changelog for import xcb-util-0.4.0-10.el8