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util.startup: Add startup step for parsing command-line options

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This commit is contained in:
Matthew Wild 2020-01-19 15:26:22 +00:00
parent eb7a71a645
commit ec3865fa9d
1 changed files with 54 additions and 0 deletions
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54
util/startup.lua
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@ -12,6 +12,60 @@ local dependencies = require "util.dependencies";
local original_logging_config;
local short_params = { D = "daemonize", F = "no-daemonize" };
local value_params = { config = true };
function startup.parse_args()
local parsed_opts = {};
if #arg > 0 and arg[1] ~= "--config" then
while true do
local raw_param = arg[1];
if not raw_param then
break;
end
local prefix = raw_param:match("^%-%-?");
if not prefix then
break;
elseif prefix == "--" and raw_param == "--" then
table.remove(arg, 1);
break;
end
local param = table.remove(arg, 1):sub(#prefix+1);
if #param == 1 then
param = short_params[param];
end
if not param then
print("Unknown command-line option: "..tostring(param));
print("Perhaps you meant to use prosodyctl instead?");
os.exit(1);
end
local param_k, param_v;
if value_params[param] then
param_k, param_v = param, table.remove(arg, 1);
if not param_v then
print("Expected a value to follow command-line option: "..raw_param);
os.exit(1);
end
else
param_k, param_v = param:match("^([^=]+)=(.+)$");
if not param_k then
if param:match("^no%-") then
param_k, param_v = param:sub(4), false;
else
param_k, param_v = param, true;
end
end
end
parsed_opts[param_k] = param_v;
end
end
prosody.opts = parsed_opts;
end
function startup.read_config()
local filenames = {};