$ git clone -n https://src.fedoraproject.org/rpms/rust-diesel_derives.git /var/lib/mock/f40-build-2680345-67942/root/chroot_tmpdir/scmroot/rust-diesel_derives
Cloning into '/var/lib/mock/f40-build-2680345-67942/root/chroot_tmpdir/scmroot/rust-diesel_derives'...
$ git fetch origin be7a1fbd5802f65f2e30d60f0415d1bab22709f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-diesel_derives
 * [new ref]         be7a1fbd5802f65f2e30d60f0415d1bab22709f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be7a1fb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild