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'use strict';
var fs = require('fs');
var path = require('path');
var log = require('gulplog');
var yargs = require('yargs');
var Liftoff = require('liftoff');
var interpret = require('interpret');
var v8flags = require('v8flags');
var findRange = require('semver-greatest-satisfied-range');
var ansi = require('./lib/shared/ansi');
var exit = require('./lib/shared/exit');
var tildify = require('./lib/shared/tildify');
var makeTitle = require('./lib/shared/make-title');
var cliOptions = require('./lib/shared/cli-options');
var completion = require('./lib/shared/completion');
var verifyDeps = require('./lib/shared/verify-dependencies');
var cliVersion = require('./package.json').version;
var getBlacklist = require('./lib/shared/get-blacklist');
var toConsole = require('./lib/shared/log/to-console');
var loadConfigFiles = require('./lib/shared/config/load-files');
var mergeConfigToCliFlags = require('./lib/shared/config/cli-flags');
var mergeConfigToEnvFlags = require('./lib/shared/config/env-flags');
// Logging functions
var logVerify = require('./lib/shared/log/verify');
var logBlacklistError = require('./lib/shared/log/blacklist-error');
// Get supported ranges
var ranges = fs.readdirSync(__dirname + '/lib/versioned/');
// Set env var for ORIGINAL cwd
// before anything touches it
process.env.INIT_CWD = process.cwd();
var cli = new Liftoff({
name: 'gulp',
processTitle: makeTitle('gulp', process.argv.slice(2)),
completions: completion,
extensions: interpret.jsVariants,
v8flags: v8flags,
configFiles: {
'.gulp': {
home: {
path: '~',
extensions: interpret.extensions,
},
cwd: {
path: '.',
extensions: interpret.extensions,
},
},
},
});
var usage =
'\n' + ansi.bold('Usage:') +
' gulp ' + ansi.blue('[options]') + ' tasks';
var parser = yargs.usage(usage, cliOptions);
var opts = parser.argv;
cli.on('require', function(name) {
log.info('Requiring external module', ansi.magenta(name));
});
cli.on('requireFail', function(name, error) {
log.warn(
ansi.yellow('Failed to load external module'),
ansi.magenta(name)
);
/* istanbul ignore else */
if (error) {
log.warn(ansi.yellow(error.toString()));
}
});
cli.on('respawn', function(flags, child) {
var nodeFlags = ansi.magenta(flags.join(', '));
var pid = ansi.magenta(child.pid);
log.info('Node flags detected:', nodeFlags);
log.info('Respawned to PID:', pid);
});
function run() {
cli.prepare({
cwd: opts.cwd,
configPath: opts.gulpfile,
require: opts.require,
completion: opts.completion,
}, function(env) {
var cfgLoadOrder = ['home', 'cwd'];
var cfg = loadConfigFiles(env.configFiles['.gulp'], cfgLoadOrder);
opts = mergeConfigToCliFlags(opts, cfg);
env = mergeConfigToEnvFlags(env, cfg, opts);
env.configProps = cfg;
// Set up event listeners for logging again after configuring.
toConsole(log, opts);
cli.execute(env, env.nodeFlags, handleArguments);
});
}
module.exports = run;
// The actual logic
function handleArguments(env) {
// This translates the --continue flag in gulp
// To the settle env variable for undertaker
// We use the process.env so the user's gulpfile
// Can know about the flag
if (opts.continue) {
process.env.UNDERTAKER_SETTLE = 'true';
}
if (opts.help) {
parser.showHelp(console.log);
exit(0);
}
// Anything that needs to print outside of the logging mechanism should use console.log
if (opts.version) {
console.log('CLI version:', cliVersion);
console.log('Local version:', env.modulePackage.version || 'Unknown');
exit(0);
}
if (opts.verify) {
var pkgPath = opts.verify !== true ? opts.verify : 'package.json';
/* istanbul ignore else */
if (path.resolve(pkgPath) !== path.normalize(pkgPath)) {
pkgPath = path.join(env.cwd, pkgPath);
}
log.info('Verifying plugins in ' + pkgPath);
return getBlacklist(function(err, blacklist) {
/* istanbul ignore if */
if (err) {
return logBlacklistError(err);
}
var blacklisted = verifyDeps(require(pkgPath), blacklist);
logVerify(blacklisted);
});
}
if (!env.modulePath) {
/* istanbul ignore next */
var missingNodeModules =
fs.existsSync(path.join(env.cwd, 'package.json'))
&& !fs.existsSync(path.join(env.cwd, 'node_modules'));
/* istanbul ignore next */
var missingGulpMessage =
missingNodeModules
? 'Local modules not found in'
: 'Local gulp not found in';
log.error(
ansi.red(missingGulpMessage),
ansi.magenta(tildify(env.cwd))
);
/* istanbul ignore next */
var installCommand =
missingNodeModules
? 'npm install'
: 'npm install gulp';
log.error(ansi.red('Try running: ' + installCommand));
env.modulePath = 'gulp';
log.error(ansi.red('Using globally installed gulp'));
}
if (!env.configPath) {
log.error(ansi.red('No gulpfile found'));
exit(1);
}
// Chdir before requiring gulpfile to make sure
// we let them chdir as needed
if (process.cwd() !== env.cwd) {
process.chdir(env.cwd);
log.info(
'Working directory changed to',
ansi.magenta(tildify(env.cwd))
);
}
// Find the correct CLI version to run
// hard code range
//var range = findRange(env.modulePackage.version, ranges);
var range = '^4.0.0';
if (!range) {
log.error(
ansi.red('Unsupported gulp version', env.modulePackage.version)
);
exit(1);
}
// Load and execute the CLI version
var versionedDir = path.join(__dirname, '/lib/versioned/', range, '/');
require(versionedDir)(opts, env, env.configProps);
}
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