$ git clone -n https://src.fedoraproject.org/rpms/rust-p384.git /var/lib/mock/f40-build-2613573-64073/root/chroot_tmpdir/scmroot/rust-p384
Cloning into '/var/lib/mock/f40-build-2613573-64073/root/chroot_tmpdir/scmroot/rust-p384'...
$ git fetch origin 9640bd706c6960d48ecd58dd66d257043353c8ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-p384
 * [new ref]         9640bd706c6960d48ecd58dd66d257043353c8ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9640bd7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild