util.openssl: Rename variables for readability

diff --git a/util/openssl.lua b/util/openssl.lua
index 5043e368590601f8fe61c7d1a0fda4df883a0bc3..48922926d6ea815b05ee5c6bb73bd88f6802915c 100644 (file)
--- a/util/openssl.lua
+++ b/util/openssl.lua
@@ -147,27 +147,27 @@ do -- Lua to shell calls.
                return "'" .. tostring(s):gsub("'",[['\'']]) .. "'";
        end
 
-       local function serialize(f,o)
-               local r = {"openssl", f};
-               for k,v in pairs(o) do
+       local function serialize(command, args)
+               local commandline = { "openssl", command };
+               for k, v in pairs(args) do
                        if type(k) == "string" then
-                               t_insert(r, ("-%s"):format(k));
+                               t_insert(commandline, ("-%s"):format(k));
                                if v ~= true then
-                                       t_insert(r, shell_escape(v));
+                                       t_insert(commandline, shell_escape(v));
                                end
                        end
                end
-               for _,v in ipairs(o) do
-                       t_insert(r, shell_escape(v));
+               for _, v in ipairs(args) do
+                       t_insert(commandline, shell_escape(v));
                end
-               return t_concat(r, " ");
+               return t_concat(commandline, " ");
        end
 
        local os_execute = os.execute;
        setmetatable(_M, {
                __index=function(_,f)
                        return function(opts)
-                               return 0 == os_execute(serialize(f, type(opts) == "table" and opts or {}));
+                               return 0 == os_execute(serialize(command, type(opts) == "table" and opts or {}));
                        end;
                end;
        });