$ git clone -n https://src.fedoraproject.org/rpms/guvcview.git /var/lib/mock/f40-build-2634359-65998/root/chroot_tmpdir/scmroot/guvcview
Cloning into '/var/lib/mock/f40-build-2634359-65998/root/chroot_tmpdir/scmroot/guvcview'...
$ git fetch origin 6c84dcd2d39c49f9d9bb96279ce89c95c73a626b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/guvcview
 * [new ref]         6c84dcd2d39c49f9d9bb96279ce89c95c73a626b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c84dcd Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild