$ git clone -n https://src.fedoraproject.org/rpms/rust-num-prime.git /var/lib/mock/f42-build-3253315-41225/root/chroot_tmpdir/scmroot/rust-num-prime
Cloning into '/var/lib/mock/f42-build-3253315-41225/root/chroot_tmpdir/scmroot/rust-num-prime'...
$ git fetch origin 46f16f78556761f767b60b0ed3eb40ac5fcb3076:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-num-prime
 * [new ref]         46f16f78556761f767b60b0ed3eb40ac5fcb3076 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46f16f7 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild