$ git clone -n http://git.inferitos.ru/rpms/libserf /var/lib/mock/inferit-9_1-bootstrap-build-3729-3613/root/chroot_tmpdir/scmroot/libserf
Cloning into '/var/lib/mock/inferit-9_1-bootstrap-build-3729-3613/root/chroot_tmpdir/scmroot/libserf'...
$ git fetch origin changed/i9c/libserf-1.3.9-26.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/libserf
 * [new tag]         changed/i9c/libserf-1.3.9-26.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d13225c import libserf-1.3.9-26.el9