$ git clone -n https://src.fedoraproject.org/rpms/bwm-ng.git /var/lib/mock/f40-build-789885-136126/root/chroot_tmpdir/scmroot/bwm-ng
Cloning into '/var/lib/mock/f40-build-789885-136126/root/chroot_tmpdir/scmroot/bwm-ng'...
$ git fetch origin 2460f51720eadcbdc164f2ae74307de63632fd32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bwm-ng
 * [new ref]         2460f51720eadcbdc164f2ae74307de63632fd32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2460f51 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild