$ git clone -n https://src.fedoraproject.org/rpms/perl-Math-Utils.git /var/lib/mock/f40-build-2305934-57118/root/chroot_tmpdir/scmroot/perl-Math-Utils
Cloning into '/var/lib/mock/f40-build-2305934-57118/root/chroot_tmpdir/scmroot/perl-Math-Utils'...
$ git fetch origin 9200b062278b2adb64b05aab311c90939e267fb1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Math-Utils
 * [new ref]         9200b062278b2adb64b05aab311c90939e267fb1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9200b06 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild