formating better for spm packages

Src/hysh/data/bin/readlink

@@ -0,0 +1,82 @@
+--:Minify:--
+local name = syscall.getTask(syscall.getpid()).name
+local cloptions = { n = false, f = false, e = false, help = false }
+local args = {}
+
+for _, v in ipairs({ ... }) do
+    if v:sub(1, 2) == "--" then
+        local opt = v:sub(3)
+        if cloptions[opt] == nil then
+            print(name .. ": unrecognized option '" .. v .. "'")
+            syscall.exit(1); return
+        end
+        cloptions[opt] = true
+    elseif v:sub(1, 1) == "-" then
+        for i = 2, #v do
+            local opt = v:sub(i, i)
+            if cloptions[opt] == nil then
+                print(name .. ": invalid option '-" .. opt .. "'")
+                syscall.exit(1); return
+            end
+            cloptions[opt] = true
+        end
+    else
+        table.insert(args, v)
+    end
+end
+
+if cloptions.help then
+    print("Usage: " .. name .. " [OPTION]... FILE...")
+    print("Print the resolved target of symbolic links.")
+    print("")
+    print("Options:")
+    print("  -f          canonicalize: follow every symlink; last component need not exist")
+    print("  -e          like -f but all components must exist")
+    print("  -n          do not output trailing newline")
+    print("  --help      display this help and exit")
+    return
+end
+
+if #args == 0 then
+    print(name .. ": missing operand")
+    print("try '" .. name .. " --help' for more information.")
+    syscall.exit(1); return
+end
+
+local function absPath(p)
+    if p:sub(1,1) ~= "/" then
+        local d = syscall.getcwd()
+        if d:sub(-1) ~= "/" then d = d .. "/" end
+        p = d .. p
+    end
+    return p
+end
+
+local anyErr = false
+for _, path in ipairs(args) do
+    path = absPath(path)
+
+    if cloptions.f or cloptions.e then
+        local ok, stat = pcall(syscall.stat, path)
+        if not ok then
+            if cloptions.e then
+                print(name .. ": " .. path .. ": " .. tostring(stat))
+                anyErr = true
+            else
+                if not cloptions.n then print(path) else printInline(path) end
+            end
+        else
+            if not cloptions.n then print(path) else printInline(path) end
+        end
+    else
+        local ok, target = pcall(syscall.readlink, path)
+        if not ok then
+            print(name .. ": " .. path .. ": " .. tostring(target))
+            anyErr = true
+        else
+            if not cloptions.n then print(target) else printInline(target) end
+        end
+    end
+end
+
+if anyErr then syscall.exit(1) end