$ git clone -n https://src.fedoraproject.org/rpms/rust-primal-estimate.git /var/lib/mock/f40-build-2682583-67964/root/chroot_tmpdir/scmroot/rust-primal-estimate
Cloning into '/var/lib/mock/f40-build-2682583-67964/root/chroot_tmpdir/scmroot/rust-primal-estimate'...
$ git fetch origin ec361a46285badea37fc896337ba82beeb549aba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-primal-estimate
 * [new ref]         ec361a46285badea37fc896337ba82beeb549aba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec361a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild