$ git clone -n http://git.inferitos.ru/rpms/libXau /var/lib/mock/inferit-8_8-build-14537-23060/root/chroot_tmpdir/scmroot/libXau
Cloning into '/var/lib/mock/inferit-8_8-build-14537-23060/root/chroot_tmpdir/scmroot/libXau'...
$ git fetch origin changed/i8c/libXau-1.0.9-3.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/libXau
 * [new tag]         changed/i8c/libXau-1.0.9-3.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5477189 edit changelog for import libXau-1.0.9-3.el8