$ git clone -n https://src.fedoraproject.org/rpms/rust-env_proxy.git /var/lib/mock/f40-build-2324877-58794/root/chroot_tmpdir/scmroot/rust-env_proxy
Cloning into '/var/lib/mock/f40-build-2324877-58794/root/chroot_tmpdir/scmroot/rust-env_proxy'...
$ git fetch origin 502ab3d809ce55cc64478cfc9791521c5968fa19:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-env_proxy
 * [new ref]         502ab3d809ce55cc64478cfc9791521c5968fa19 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 502ab3d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild