$ git clone -n https://src.fedoraproject.org/rpms/reposurgeon.git /var/lib/mock/f40-build-2366923-60380/root/chroot_tmpdir/scmroot/reposurgeon
Cloning into '/var/lib/mock/f40-build-2366923-60380/root/chroot_tmpdir/scmroot/reposurgeon'...
$ git fetch origin 1d3fd6cc87b78cba6c7e52ca12ffae6ba8e08bf2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/reposurgeon
 * [new ref]         1d3fd6cc87b78cba6c7e52ca12ffae6ba8e08bf2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d3fd6c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild