$ git clone -n https://src.fedoraproject.org/rpms/rust-cpython.git /var/lib/mock/f40-build-2712183-71960/root/chroot_tmpdir/scmroot/rust-cpython
Cloning into '/var/lib/mock/f40-build-2712183-71960/root/chroot_tmpdir/scmroot/rust-cpython'...
$ git fetch origin eebbe4c1d26d27d4372f58cbe217ca4c82ae8dbb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cpython
 * [new ref]         eebbe4c1d26d27d4372f58cbe217ca4c82ae8dbb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eebbe4c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild