$ git clone -n http://git.inferitos.ru/rpms/m4 /var/lib/mock/inferit-8_8-build-16520-23083/root/chroot_tmpdir/scmroot/m4
Cloning into '/var/lib/mock/inferit-8_8-build-16520-23083/root/chroot_tmpdir/scmroot/m4'...
$ git fetch origin changed/i8c/m4-1.4.18-7.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/m4
 * [new tag]         changed/i8c/m4-1.4.18-7.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 060dae9 edit changelog for import m4-1.4.18-7.el8