$ git clone -n https://src.fedoraproject.org/rpms/rust-rand_jitter.git /var/lib/mock/f40-build-2657815-66917/root/chroot_tmpdir/scmroot/rust-rand_jitter
Cloning into '/var/lib/mock/f40-build-2657815-66917/root/chroot_tmpdir/scmroot/rust-rand_jitter'...
$ git fetch origin 006647bd5792911ec5da7b82022f908cc1815f45:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rand_jitter
 * [new ref]         006647bd5792911ec5da7b82022f908cc1815f45 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 006647b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild