User:Fleeting Frames/wheelbarrow-stuckinside

Save as wheelbarrow-stuckinside.lua into /hack/scripts/fix folder.

If called with verbose parameter, prints out the wheelbarrows it looks at as well as the positions for each item it dumps out.

--empties wheelbarrows of stuck stones

local args = ...
local verbose = false
if args == "verbose" then verbose = true end

function printv(...)
    if verbose then print(...) end
end

for _, wb in ipairs(df.global.world.items.other.TOOL) do
    if     wb.subtype.id == "ITEM_TOOL_WHEELBARROW" and wb.stockpile.id ~= -1   then
    printv(wb.id)
    local stuckpile = df.building.find(wb.stockpile.id)
    if    ((wb.pos.x>=stuckpile.x1 and stuckpile.x2>=wb.pos.x) and 
        (wb.pos.y>=stuckpile.y1 and stuckpile.y2>=wb.pos.y) and 
        wb.pos.z == stuckpile.z)
        and not (wb.flags.in_inventory)  then
        for i = (#wb.general_refs-1), 0, -1 do
        --for i,v in ipairs(wb.general_refs) do
            if wb.general_refs[i]._type == df.general_ref_contains_itemst then
                local stuckitem = df.item.find(wb.general_refs[i].item_id)
                if not stuckitem.flags.in_job then dfhack.items.moveToGround(stuckitem,wb.pos) printv("dumped item out", pos2xyz(wb.pos)) end
                        end
        end
    end
    end
end