115 lines
2.7 KiB
JavaScript
115 lines
2.7 KiB
JavaScript
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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/*
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* Copyright 2016 Joyent, Inc.
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*/
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/*
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* node-triton constants.
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*
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* CLI usage:
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* $ node lib/constants.js
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* ... emits all the constants as a JSON object ...
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* $ node lib/constants.js KEY
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* ... emits the value of KEY (in json-y form, i.e. quotes removed from a
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* string) ...
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*/
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var mod_path = require('path');
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// ---- determining constants
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/*
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* The `triton` CLI's config dir.
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*
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* For *testing* only, we allow override of this dir.
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*/
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var CLI_CONFIG_DIR;
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if (process.env.SCTEST_CLI_CONFIG_DIR) {
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CLI_CONFIG_DIR = process.env.SCTEST_CLI_CONFIG_DIR;
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} else if (process.platform === 'win32') {
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/*
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* For better or worse we are using APPDATA (i.e. the *Roaming* AppData
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* dir) over LOCALAPPDATA (non-roaming). The former is meant for "user"
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* data, the latter for "machine" data.
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*
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* TODO: We should likely separate out the *cache* subdir to
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* machine-specific data dir.
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*/
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CLI_CONFIG_DIR = mod_path.resolve(process.env.APPDATA, 'Spearhead', 'sc');
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} else {
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CLI_CONFIG_DIR = mod_path.resolve(process.env.HOME, '.spearhead');
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}
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// ---- exports
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module.exports = {
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CLI_CONFIG_DIR: CLI_CONFIG_DIR
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};
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// ---- mainline
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function main(argv) {
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var assert = require('assert-plus');
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var dashdash = require('cmdln').dashdash;
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assert.arrayOfString(argv, 'argv');
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var options = [
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{
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names: ['help', 'h'],
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type: 'bool',
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help: 'Print this help and exit.'
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}
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];
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var parser = dashdash.createParser({options: options});
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try {
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var opts = parser.parse(argv);
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} catch (e) {
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console.error('lib/constants.js: error: %s', e.message);
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process.exit(1);
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}
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if (opts.help) {
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console.log([
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'usage: node .../lib/constants.js [OPTIONS] [KEY]',
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'options:',
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parser.help().trimRight()
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].join('\n'));
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process.exit(0);
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}
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var key;
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if (opts._args.length === 1) {
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key = opts._args[0];
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} else if (opts._args.length === 0) {
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key = null;
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} else {
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console.error('lib/constants.js: error: too many args: %s',
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opts._args.join(' '));
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process.exit(1);
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}
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if (key) {
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var val = module.exports[key];
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if (typeof (val) === 'string') {
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console.log(val);
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} else {
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console.log(JSON.stringify(val, null, 4));
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}
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} else {
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console.log(JSON.stringify(module.exports, null, 4));
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}
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}
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if (require.main === module) {
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main(process.argv);
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}
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