$ git clone -n http://git.inferitos.ru/rpms/tree /var/lib/mock/inferit-8_8-build-13029-22779/root/chroot_tmpdir/scmroot/tree
Cloning into '/var/lib/mock/inferit-8_8-build-13029-22779/root/chroot_tmpdir/scmroot/tree'...
$ git fetch origin changed/i8c/tree-1.7.0-15.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/tree
 * [new tag]         changed/i8c/tree-1.7.0-15.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc0935f import tree-1.7.0-15.el8