$ git clone -n https://src.fedoraproject.org/rpms/ghc-arrows.git /var/lib/mock/f40-build-776558-128929/root/chroot_tmpdir/scmroot/ghc-arrows
Cloning into '/var/lib/mock/f40-build-776558-128929/root/chroot_tmpdir/scmroot/ghc-arrows'...
$ git fetch origin f31a11d565620f10178c46b5e0f4c88175721b7c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-arrows
 * [new ref]         f31a11d565620f10178c46b5e0f4c88175721b7c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f31a11d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild