$ git clone -n http://git.inferitos.ru/rpms/unifdef /var/lib/mock/inferit-8_8-bootstrap-build-28878-48810/root/chroot_tmpdir/scmroot/unifdef
Cloning into '/var/lib/mock/inferit-8_8-bootstrap-build-28878-48810/root/chroot_tmpdir/scmroot/unifdef'...
$ git fetch origin changed/i8c/unifdef-2.10-21.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/unifdef
 * [new tag]         changed/i8c/unifdef-2.10-21.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 787b2f2 import unifdef-2.10-21.el8