$ git clone -n https://src.fedoraproject.org/rpms/rust-pest_derive.git /var/lib/mock/f40-build-2653258-66900/root/chroot_tmpdir/scmroot/rust-pest_derive
Cloning into '/var/lib/mock/f40-build-2653258-66900/root/chroot_tmpdir/scmroot/rust-pest_derive'...
$ git fetch origin be730b1ddf739b63a9d72a908c9f388a1e9f7f1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pest_derive
 * [new ref]         be730b1ddf739b63a9d72a908c9f388a1e9f7f1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be730b1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild