Renamed some variables

c4mate

@@ -220,9 +220,9 @@ function MatePad:print_log(log)
 end
 
 -- Get available items.
-function MatePad:get_roster()
+function MatePad:get_offerings()
     local pipe, ok, exit, signal
-    local roster = {}
+    local offerings = {}
     -- sed #1: Extract items section and insert newlines between entries.
     -- sed #2: Extract and print id, name and price. If any extraction fails we
     -- fail with exit code 1.
@@ -253,7 +253,7 @@ sed -n --sandbox '
         if item.id == nil then break end
         item.name = utf8_decode(pipe:read())
         item.price = tonumber(pipe:read())
-        table.insert(roster, item)
+        table.insert(offerings, item)
     end
 
     ok, exit, signal = pipe:close()
@@ -261,11 +261,11 @@ sed -n --sandbox '
         io.stderr:write("Sorry, there was an error while parsing the API response.\n")
         -- Empty table will throw no exceptions.
         return {}
-    elseif roster == nil then -- curl error
+    elseif offerings == nil then -- curl error
         io.stderr:write("Sorry, there was an error while connecting the API.\n")
         return {}
     end
-    return roster
+    return offerings
 end
 
 -- Buy given item.
@@ -419,13 +419,13 @@ elseif tonumber(arg[1]) ~= nil then
 
 else
     -- Find and buy item.
-    local roster, query, input, ok
-    roster = pad:get_roster()
+    local offerings, query, input, ok
+    offerings = pad:get_offerings()
     query = table.concat(arg, " "):lower()
     local menu = {}
 
-    for i = 1, #roster do
-        local item = roster[i]
+    for i = 1, #offerings do
+        local item = offerings[i]
         if item.name:lower():match(query) then
             table.insert(menu, item)
         end