$ git clone -n https://src.fedoraproject.org/rpms/apache-commons-math.git /var/lib/mock/f38-build-side-42-init-devel-594626-26158/root/chroot_tmpdir/scmroot/apache-commons-math
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-594626-26158/root/chroot_tmpdir/scmroot/apache-commons-math'...
$ git fetch origin 4c39a726207e9bf49cc970e544c96d93aa112ebc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-commons-math
 * [new ref]         4c39a726207e9bf49cc970e544c96d93aa112ebc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c39a72 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild