$ git clone -n https://src.fedoraproject.org/rpms/rust-cgroupfs.git /var/lib/mock/f40-build-2711253-71833/root/chroot_tmpdir/scmroot/rust-cgroupfs
Cloning into '/var/lib/mock/f40-build-2711253-71833/root/chroot_tmpdir/scmroot/rust-cgroupfs'...
$ git fetch origin 2f297364a3bc721c177f5dd7cf85e991a0ea0797:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cgroupfs
 * [new ref]         2f297364a3bc721c177f5dd7cf85e991a0ea0797 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2f29736 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild