$ git clone -n https://src.fedoraproject.org/rpms/nodejs-backbone.git /var/lib/mock/f40-build-2393806-60531/root/chroot_tmpdir/scmroot/nodejs-backbone
Cloning into '/var/lib/mock/f40-build-2393806-60531/root/chroot_tmpdir/scmroot/nodejs-backbone'...
$ git fetch origin 1747e3fbab6aed4e60c12b56124cd73747fc2fec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nodejs-backbone
 * [new ref]         1747e3fbab6aed4e60c12b56124cd73747fc2fec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1747e3f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild