$ git clone -n https://src.fedoraproject.org/rpms/bridge-utils.git /var/lib/mock/f40-build-2336103-59423/root/chroot_tmpdir/scmroot/bridge-utils
Cloning into '/var/lib/mock/f40-build-2336103-59423/root/chroot_tmpdir/scmroot/bridge-utils'...
$ git fetch origin 8bcc57f4e45a750deff5a3d3a315d93a5d714e6e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bridge-utils
 * [new ref]         8bcc57f4e45a750deff5a3d3a315d93a5d714e6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8bcc57f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild