$ git clone -n http://git.inferitos.ru/rpms/postfix.git /var/lib/mock/inferit-9_3-bootstrap-build-22078-37087/root/chroot_tmpdir/scmroot/postfix
Cloning into '/var/lib/mock/inferit-9_3-bootstrap-build-22078-37087/root/chroot_tmpdir/scmroot/postfix'...
$ git fetch origin changed/i9c-beta/postfix-3.5.9-24.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/postfix
 * [new tag]         changed/i9c-beta/postfix-3.5.9-24.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a11614b import postfix-3.5.9-24.el9