$ git clone -n https://src.fedoraproject.org/rpms/libkdtree++.git /var/lib/mock/f40-build-785826-134125/root/chroot_tmpdir/scmroot/libkdtree++
Cloning into '/var/lib/mock/f40-build-785826-134125/root/chroot_tmpdir/scmroot/libkdtree++'...
$ git fetch origin 1bf6e0dd0b88d87ea07ceb22eaf22a8dda1b4cba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libkdtree++
 * [new ref]         1bf6e0dd0b88d87ea07ceb22eaf22a8dda1b4cba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1bf6e0d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild