$ git clone -n https://src.fedoraproject.org/rpms/rust-rand_xorshift0.1.git /var/lib/mock/f40-build-2327144-58850/root/chroot_tmpdir/scmroot/rust-rand_xorshift0.1
Cloning into '/var/lib/mock/f40-build-2327144-58850/root/chroot_tmpdir/scmroot/rust-rand_xorshift0.1'...
$ git fetch origin f6d2017c9611b9340462789755e8e8824c71a7b2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rand_xorshift0.1
 * [new ref]         f6d2017c9611b9340462789755e8e8824c71a7b2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6d2017 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild