$ git clone -n https://src.fedoraproject.org/rpms/rust-rand_pcg0.2.git /var/lib/mock/f40-build-2327134-58850/root/chroot_tmpdir/scmroot/rust-rand_pcg0.2
Cloning into '/var/lib/mock/f40-build-2327134-58850/root/chroot_tmpdir/scmroot/rust-rand_pcg0.2'...
$ git fetch origin acb3d53e3de0f13677c0511a3fd1703c5564f6a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rand_pcg0.2
 * [new ref]         acb3d53e3de0f13677c0511a3fd1703c5564f6a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at acb3d53 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild