$ git clone -n https://src.fedoraproject.org/rpms/pipenightdreams.git /var/lib/mock/f40-build-800183-142880/root/chroot_tmpdir/scmroot/pipenightdreams
Cloning into '/var/lib/mock/f40-build-800183-142880/root/chroot_tmpdir/scmroot/pipenightdreams'...
$ git fetch origin fbcd8fbf5e67a6aa07d3080090c9b319ef855dfc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pipenightdreams
 * [new ref]         fbcd8fbf5e67a6aa07d3080090c9b319ef855dfc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fbcd8fb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild