$ git clone -n https://src.fedoraproject.org/rpms/libusbg.git /var/lib/mock/f40-build-2607111-63617/root/chroot_tmpdir/scmroot/libusbg
Cloning into '/var/lib/mock/f40-build-2607111-63617/root/chroot_tmpdir/scmroot/libusbg'...
$ git fetch origin 31987f5e461c0cbdbe6d0139b4661fb9f80e27a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libusbg
 * [new ref]         31987f5e461c0cbdbe6d0139b4661fb9f80e27a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31987f5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild