$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_yes.git /var/lib/mock/f40-build-779988-130591/root/chroot_tmpdir/scmroot/rust-uu_yes
Cloning into '/var/lib/mock/f40-build-779988-130591/root/chroot_tmpdir/scmroot/rust-uu_yes'...
$ git fetch origin bfd91e46d722a08d2ab01100107212276a116b29:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_yes
 * [new ref]         bfd91e46d722a08d2ab01100107212276a116b29 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bfd91e4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild