$ git clone -n https://src.fedoraproject.org/rpms/rust-entities.git /var/lib/mock/f40-build-2036147-48007/root/chroot_tmpdir/scmroot/rust-entities
Cloning into '/var/lib/mock/f40-build-2036147-48007/root/chroot_tmpdir/scmroot/rust-entities'...
$ git fetch origin b4b1ff630de234207991fcd659b8304e8f89152e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-entities
 * [new ref]         b4b1ff630de234207991fcd659b8304e8f89152e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4b1ff6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild