$ git clone -n https://src.fedoraproject.org/rpms/rust-rand_pcg0.2.git /var/lib/mock/f38-build-side-43-rust-devel-1416914-31458/root/chroot_tmpdir/scmroot/rust-rand_pcg0.2
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1416914-31458/root/chroot_tmpdir/scmroot/rust-rand_pcg0.2'...
$ git fetch origin d77bd4f9fa0e8902aa10756a077b0d446fe4e195:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rand_pcg0.2
 * [new ref]         d77bd4f9fa0e8902aa10756a077b0d446fe4e195 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d77bd4f Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild