$ git clone -n https://src.fedoraproject.org/rpms/rust-prost-derive.git /var/lib/mock/f40-build-2653490-66901/root/chroot_tmpdir/scmroot/rust-prost-derive
Cloning into '/var/lib/mock/f40-build-2653490-66901/root/chroot_tmpdir/scmroot/rust-prost-derive'...
$ git fetch origin 7f8acd5a09cd29f2f165ce6132cbb00903a1266b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-prost-derive
 * [new ref]         7f8acd5a09cd29f2f165ce6132cbb00903a1266b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f8acd5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild