PhabricatorConfigManagementSetWorkflow.php
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	<?php

	final class PhabricatorConfigManagementSetWorkflow
	extends PhabricatorConfigManagementWorkflow {

	protected function didConstruct() {
	$this
	->setName('set')
	->setExamples(
	"set __key__ __value__\n".
	"set __key__ --stdin < value.json")
	->setSynopsis(pht('Set a local configuration value.'))
	->setArguments(
	array(
	array(
	'name' => 'database',
	'help' => pht(
	'Update configuration in the database instead of '.
	'in local configuration.'),
	),
	array(
	'name' => 'stdin',
	'help' => pht('Read option value from stdin.'),
	),
	array(
	'name' => 'args',
	'wildcard' => true,
	),
	));
	}

	public function execute(PhutilArgumentParser $args) {
	$argv = $args->getArg('args');
	if (!$argv) {
	throw new PhutilArgumentUsageException(
	pht('Specify the configuration key you want to set.'));
	}

	$is_stdin = $args->getArg('stdin');

	$key = $argv[0];

	if ($is_stdin) {
	if (count($argv) > 1) {
	throw new PhutilArgumentUsageException(
	pht(
	'Too many arguments: expected only a configuration key when '.
	'using "--stdin".'));
	}

	fprintf(STDERR, tsprintf("%s\n", pht('Reading value from stdin...')));
	$value = file_get_contents('php://stdin');
	} else {
	if (count($argv) == 1) {
	throw new PhutilArgumentUsageException(
	pht(
	'Specify a value to set the configuration key "%s" to, or '.
	'use "--stdin" to read a value from stdin.',
	$key));
	}

	if (count($argv) > 2) {
	throw new PhutilArgumentUsageException(
	pht(
	'Too many arguments: expected one key and one value.'));
	}

	$value = $argv[1];
	}

	$options = PhabricatorApplicationConfigOptions::loadAllOptions();
	if (empty($options[$key])) {
	throw new PhutilArgumentUsageException(
	pht(
	'Configuration key "%s" is unknown. Use "bin/config list" to list '.
	'all known keys.',
	$key));
	}

	$option = $options[$key];

	$type = $option->newOptionType();
	if ($type) {
	try {
	$value = $type->newValueFromCommandLineValue(
	$option,
	$value);
	$type->validateStoredValue($option, $value);
	} catch (PhabricatorConfigValidationException $ex) {
	throw new PhutilArgumentUsageException($ex->getMessage());
	}
	} else {
	// NOTE: For now, this handles both "wild" values and custom types.
	$type = $option->getType();
	switch ($type) {
	default:
	$value = json_decode($value, true);
	if (!is_array($value)) {
	switch ($type) {
	default:
	$message = pht(
	'Configuration key "%s" is of type "%s". Specify it in JSON.',
	$key,
	$type);
	break;
	}
	throw new PhutilArgumentUsageException($message);
	}
	break;
	}
	}

	$use_database = $args->getArg('database');
	if ($option->getLocked() && $use_database) {
	throw new PhutilArgumentUsageException(
	pht(
	'Config key "%s" is locked and can only be set in local '.
	'configuration. To learn more, see "%s" in the documentation.',
	$key,
	pht('Configuration Guide: Locked and Hidden Configuration')));
	}

	try {
	$option->getGroup()->validateOption($option, $value);
	} catch (PhabricatorConfigValidationException $validation) {
	// Convert this into a usage exception so we don't dump a stack trace.
	throw new PhutilArgumentUsageException($validation->getMessage());
	}

	if ($use_database) {
	$config_entry = PhabricatorConfigEntry::loadConfigEntry($key);
	$config_entry->setValue($value);

	// If the entry has been deleted, resurrect it.
	$config_entry->setIsDeleted(0);

	$config_entry->save();

	$write_message = pht(
	'Wrote configuration key "%s" to database storage.',
	$key);
	} else {
	$config_source = new PhabricatorConfigLocalSource();

	$local_path = $config_source->getReadablePath();

	try {
	$config_source->setKeys(array($key => $value));
	} catch (FilesystemException $ex) {
	throw new PhutilArgumentUsageException(
	pht(
	'Local path "%s" is not writable. This file must be writable '.
	'so that "bin/config" can store configuration.',
	Filesystem::readablePath($local_path)));
	}

	$write_message = pht(
	'Wrote configuration key "%s" to local storage (in file "%s").',
	$key,
	$local_path);
	}

	echo tsprintf(
	"<bg:green> %s </bg> %s\n",
	pht('DONE'),
	$write_message);

	return 0;
	}

	}

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