Sort freshnaut output

astronaut/freshnaut

@@ -10,6 +10,24 @@ check = What file (sat) or directory (dir) to check
 save = What file (sat) or directory (dir) to save known versions into]], arg[0]))
 end
 
+-- Shamelessly stolen from http://stackoverflow.com/questions/15706270/sort-a-table-in-lua
+function spairs(t)
+    -- collect the keys
+    local keys = {}
+    for k in pairs(t) do keys[#keys+1] = k end
+
+    table.sort(keys)
+
+    -- return the iterator function
+    local i = 0
+    return function()
+        i = i + 1
+        if keys[i] then
+            return keys[i], t[keys[i]]
+        end
+    end
+end
+
 function call(command)
     --[[--
     --  Runs a command, returns all output except trailing newline on success.
@@ -148,7 +166,7 @@ function check_new_versions(satellite, version_file_path)
         assert(version_file, "Failed to create " .. version_file_path)
     end
 
-    for version, _ in pairs(versions) do
+    for version, _ in spairs(versions) do
         if old_versions then
             if not old_versions[version] then
                 print("\x1B[1K\r" .. satellite .. ": " .. version)