$ git clone -n http://git.inferitos.ru/rpms/eigen3 /var/lib/mock/inferit-10_0-extras-build-84554-155746/root/chroot_tmpdir/scmroot/eigen3
Cloning into '/var/lib/mock/inferit-10_0-extras-build-84554-155746/root/chroot_tmpdir/scmroot/eigen3'...
$ git fetch origin changed/i10cs/eigen3-3.4.0-17.el10:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/eigen3
 * [new tag]         changed/i10cs/eigen3-3.4.0-17.el10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a9636b import eigen3-3.4.0-17.el10