mirror of
https://we.phorge.it/source/arcanist.git
synced 2024-11-21 22:32:41 +01:00
5a02012706
Summary: This is useful for wrapper scripts that want to customize arcanist's behavior without affecting the global configuration. This can be implemented with arcanist_configuration entry in .arcconfig, however it is currently limited to per-project settings, and this feature makes writing wrapper scripts a little easier. Test Plan: arc diff --set-config editor=vim (yeah yeah, crappy test case) Reviewers: epriestley, #blessed_reviewers Reviewed By: epriestley, #blessed_reviewers Subscribers: epriestley, Korvin Differential Revision: https://secure.phabricator.com/D9442
643 lines
20 KiB
PHP
Executable file
643 lines
20 KiB
PHP
Executable file
#!/usr/bin/env php
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<?php
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sanity_check_environment();
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require_once dirname(__FILE__).'/__init_script__.php';
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ini_set('memory_limit', -1);
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$original_argv = $argv;
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$base_args = new PhutilArgumentParser($argv);
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$base_args->parseStandardArguments();
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$base_args->parsePartial(
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array(
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array(
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'name' => 'load-phutil-library',
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'param' => 'path',
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'help' => 'Load a libphutil library.',
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'repeat' => true,
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),
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array(
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'name' => 'skip-arcconfig',
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),
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array(
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'name' => 'arcrc-file',
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'param' => 'filename',
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),
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array(
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'name' => 'conduit-uri',
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'param' => 'uri',
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'help' => 'Connect to Phabricator install specified by __uri__.',
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),
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array(
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'name' => 'conduit-version',
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'param' => 'version',
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'help' => '(Developers) Mock client version in protocol handshake.',
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),
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array(
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'name' => 'conduit-timeout',
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'param' => 'timeout',
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'help' => 'Set Conduit timeout (in seconds).',
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),
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array(
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'name' => 'config',
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'param' => 'key=value',
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'repeat' => true,
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'help' =>
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'Specify a runtime configuration value. This will take precedence '.
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'over static values, and only affect the current arcanist invocation.'
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),
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));
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$config_trace_mode = $base_args->getArg('trace');
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$force_conduit = $base_args->getArg('conduit-uri');
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$force_conduit_version = $base_args->getArg('conduit-version');
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$conduit_timeout = $base_args->getArg('conduit-timeout');
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$skip_arcconfig = $base_args->getArg('skip-arcconfig');
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$custom_arcrc = $base_args->getArg('arcrc-file');
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$load = $base_args->getArg('load-phutil-library');
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$help = $base_args->getArg('help');
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$args = array_values($base_args->getUnconsumedArgumentVector());
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$working_directory = getcwd();
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$console = PhutilConsole::getConsole();
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$config = null;
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$workflow = null;
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try {
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$console->writeLog(
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"libphutil loaded from '%s'.\n",
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phutil_get_library_root('phutil'));
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$console->writeLog(
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"arcanist loaded from '%s'.\n",
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phutil_get_library_root('arcanist'));
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if (!$args) {
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if ($help) {
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$args = array('help');
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} else {
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throw new ArcanistUsageException("No command provided. Try 'arc help'.");
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}
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} else if ($help) {
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array_unshift($args, 'help');
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}
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$configuration_manager = new ArcanistConfigurationManager();
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if ($custom_arcrc) {
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$configuration_manager->setUserConfigurationFileLocation($custom_arcrc);
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}
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$global_config = $configuration_manager->readUserArcConfig();
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$system_config = $configuration_manager->readSystemArcConfig();
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$runtime_config = $configuration_manager->applyRuntimeArcConfig($base_args);
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if ($skip_arcconfig) {
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$working_copy = ArcanistWorkingCopyIdentity::newDummyWorkingCopy();
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} else {
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$working_copy =
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ArcanistWorkingCopyIdentity::newFromPath($working_directory);
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}
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$configuration_manager->setWorkingCopyIdentity($working_copy);
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reenter_if_this_is_arcanist_or_libphutil(
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$console,
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$working_copy,
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$original_argv);
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// Load additional libraries, which can provide new classes like configuration
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// overrides, linters and lint engines, unit test engines, etc.
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// If the user specified "--load-phutil-library" one or more times from
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// the command line, we load those libraries **instead** of whatever else
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// is configured. This is basically a debugging feature to let you force
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// specific libraries to load regardless of the state of the world.
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if ($load) {
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$console->writeLog(
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"Using '--load-phutil-library' flag, configuration will be ignored ".
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"and configured libraries will not be loaded."."\n");
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// Load the flag libraries. These must load, since the user specified them
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// explicitly.
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arcanist_load_libraries(
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$load,
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$must_load = true,
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$lib_source = 'a "--load-phutil-library" flag',
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$working_copy);
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} else {
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// Load libraries in system 'load' config. In contrast to global config, we
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// fail hard here because this file is edited manually, so if 'arc' breaks
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// that doesn't make it any more difficult to correct.
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arcanist_load_libraries(
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idx($system_config, 'load', array()),
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$must_load = true,
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$lib_source = 'the "load" setting in system config',
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$working_copy);
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// Load libraries in global 'load' config, as per "arc set-config load". We
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// need to fail softly if these break because errors would prevent the user
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// from running "arc set-config" to correct them.
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arcanist_load_libraries(
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idx($global_config, 'load', array()),
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$must_load = false,
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$lib_source = 'the "load" setting in global config',
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$working_copy);
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// Load libraries in ".arcconfig". Libraries here must load.
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arcanist_load_libraries(
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$working_copy->getProjectConfig('load'),
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$must_load = true,
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$lib_source = 'the "load" setting in ".arcconfig"',
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$working_copy);
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// Load libraries in ".arcconfig". Libraries here must load.
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arcanist_load_libraries(
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idx($runtime_config, 'load', array()),
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$must_load = true,
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$lib_source = 'the --config "load=[...]" argument',
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$working_copy);
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}
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$user_config = $configuration_manager->readUserConfigurationFile();
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$config_class = $working_copy->getProjectConfig('arcanist_configuration');
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if ($config_class) {
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$config = new $config_class();
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} else {
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$config = new ArcanistConfiguration();
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}
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$command = strtolower($args[0]);
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$args = array_slice($args, 1);
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$workflow = $config->selectWorkflow(
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$command,
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$args,
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$configuration_manager,
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$console);
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$workflow->setConfigurationManager($configuration_manager);
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$workflow->setArcanistConfiguration($config);
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$workflow->setCommand($command);
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$workflow->setWorkingDirectory($working_directory);
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$workflow->parseArguments($args);
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// Write the command into the environment so that scripts (for example, local
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// Git commit hooks) can detect that they're being run via `arc` and change
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// their behaviors.
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putenv('ARCANIST='.$command);
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if ($force_conduit_version) {
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$workflow->forceConduitVersion($force_conduit_version);
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}
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if ($conduit_timeout) {
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$workflow->setConduitTimeout($conduit_timeout);
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}
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$need_working_copy = $workflow->requiresWorkingCopy();
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$need_conduit = $workflow->requiresConduit();
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$need_auth = $workflow->requiresAuthentication();
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$need_repository_api = $workflow->requiresRepositoryAPI();
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$want_repository_api = $workflow->desiresRepositoryAPI();
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$want_working_copy = $workflow->desiresWorkingCopy() ||
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$want_repository_api;
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$need_conduit = $need_conduit ||
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$need_auth;
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$need_working_copy = $need_working_copy ||
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$need_repository_api;
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if ($need_working_copy || $want_working_copy) {
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if ($need_working_copy && !$working_copy->getVCSType()) {
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throw new ArcanistUsageException(
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'This command must be run in a Git, Mercurial or Subversion working '.
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'copy.');
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}
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$configuration_manager->setWorkingCopyIdentity($working_copy);
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}
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if ($force_conduit) {
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$conduit_uri = $force_conduit;
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} else {
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$conduit_uri = $configuration_manager->getConfigFromAnySource(
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'phabricator.uri');
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if ($conduit_uri === null) {
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$conduit_uri = $configuration_manager->getConfigFromAnySource(
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'default');
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}
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}
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if ($conduit_uri) {
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// Set the URI path to '/api/'. TODO: Originally, I contemplated letting
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// you deploy Phabricator somewhere other than the domain root, but ended
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// up never pursuing that. We should get rid of all "/api/" silliness
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// in things users are expected to configure. This is already happening
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// to some degree, e.g. "arc install-certificate" does it for you.
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$conduit_uri = new PhutilURI($conduit_uri);
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$conduit_uri->setPath('/api/');
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$conduit_uri = (string)$conduit_uri;
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}
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$workflow->setConduitURI($conduit_uri);
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// Apply global CA bundle from configs.
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$ca_bundle = $configuration_manager->getConfigFromAnySource('https.cabundle');
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if ($ca_bundle) {
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$ca_bundle = Filesystem::resolvePath(
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$ca_bundle, $working_copy->getProjectRoot());
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HTTPSFuture::setGlobalCABundleFromPath($ca_bundle);
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}
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$blind_key = 'https.blindly-trust-domains';
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$blind_trust = $configuration_manager->getConfigFromAnySource($blind_key);
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if ($blind_trust) {
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HTTPSFuture::setBlindlyTrustDomains($blind_trust);
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}
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if ($need_conduit) {
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if (!$conduit_uri) {
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$message = phutil_console_format(
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"This command requires arc to connect to a Phabricator install, but ".
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"no Phabricator installation is configured. To configure a ".
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"Phabricator URI:\n\n".
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" - set a default location with `arc set-config default <uri>`; or\n".
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" - specify '--conduit-uri=uri' explicitly; or\n".
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" - run 'arc' in a working copy with an '.arcconfig'.\n");
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$message = phutil_console_wrap($message);
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throw new ArcanistUsageException($message);
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}
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$workflow->establishConduit();
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}
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$hosts_config = idx($user_config, 'hosts', array());
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$host_config = idx($hosts_config, $conduit_uri, array());
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$user_name = idx($host_config, 'user');
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$certificate = idx($host_config, 'cert');
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$description = implode(' ', $original_argv);
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$credentials = array(
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'user' => $user_name,
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'certificate' => $certificate,
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'description' => $description,
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);
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$workflow->setConduitCredentials($credentials);
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if ($need_auth) {
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if (!$user_name || !$certificate) {
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$arc = 'arc';
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if ($force_conduit) {
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$arc .= csprintf(' --conduit-uri=%s', $conduit_uri);
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}
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throw new ArcanistUsageException(
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phutil_console_format(
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"YOU NEED TO __INSTALL A CERTIFICATE__ TO LOGIN TO PHABRICATOR\n\n".
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"You are trying to connect to '{$conduit_uri}' but do not have ".
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"a certificate installed for this host. Run:\n\n".
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" $ **{$arc} install-certificate**\n\n".
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"...to install one."));
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}
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$workflow->authenticateConduit();
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}
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if ($need_repository_api ||
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($want_repository_api && $working_copy->getVCSType())) {
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$repository_api = ArcanistRepositoryAPI::newAPIFromConfigurationManager(
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$configuration_manager);
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$workflow->setRepositoryAPI($repository_api);
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}
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$listeners = $configuration_manager->getConfigFromAnySource(
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'events.listeners');
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if ($listeners) {
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foreach ($listeners as $listener) {
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$console->writeLog(
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"Registering event listener '%s'.\n",
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$listener);
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try {
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id(new $listener())->register();
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} catch (PhutilMissingSymbolException $ex) {
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// Continue anwyay, since you may otherwise be unable to run commands
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// like `arc set-config events.listeners` in order to repair the damage
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// you've caused. We're writing out the entire exception here because
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// it might not have been triggered by the listener itself (for example,
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// the listener might use a bad class in its register() method).
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$console->writeErr(
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"ERROR: Failed to load event listener '%s': %s\n",
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$listener,
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$ex->getMessage());
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}
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}
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}
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$config->willRunWorkflow($command, $workflow);
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$workflow->willRunWorkflow();
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try {
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$err = $workflow->run();
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$config->didRunWorkflow($command, $workflow, $err);
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} catch (Exception $e) {
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$workflow->finalize();
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throw $e;
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}
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$workflow->finalize();
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exit((int)$err);
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} catch (ArcanistNoEffectException $ex) {
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echo $ex->getMessage()."\n";
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} catch (Exception $ex) {
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$is_usage = ($ex instanceof ArcanistUsageException);
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if ($is_usage) {
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echo phutil_console_format(
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"**Usage Exception:** %s\n",
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$ex->getMessage());
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}
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if ($config) {
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$config->didAbortWorkflow($command, $workflow, $ex);
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}
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if ($config_trace_mode) {
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echo "\n";
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throw $ex;
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}
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if (!$is_usage) {
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echo phutil_console_format(
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"**Exception**\n%s\n%s\n",
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$ex->getMessage(),
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'(Run with --trace for a full exception trace.)');
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}
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exit(1);
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}
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/**
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* Perform some sanity checks against the possible diversity of PHP builds in
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* the wild, like very old versions and builds that were compiled with flags
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* that exclude core functionality.
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*/
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function sanity_check_environment() {
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// NOTE: We don't have phutil_is_windows() yet here.
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$is_windows = (DIRECTORY_SEPARATOR != '/');
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// We use stream_socket_pair() which is not available on Windows earlier.
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$min_version = ($is_windows ? '5.3.0' : '5.2.3');
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$cur_version = phpversion();
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if (version_compare($cur_version, $min_version, '<')) {
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die_with_bad_php(
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"You are running PHP version '{$cur_version}', which is older than ".
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"the minimum version, '{$min_version}'. Update to at least ".
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"'{$min_version}'.");
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}
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if ($is_windows) {
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$need_functions = array(
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'curl_init' => array('builtin-dll', 'php_curl.dll'),
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);
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} else {
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$need_functions = array(
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'curl_init' => array(
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'text',
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"You need to install the cURL PHP extension, maybe with ".
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"'apt-get install php5-curl' or 'yum install php53-curl' or ".
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"something similar."),
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'json_decode' => array('flag', '--without-json'),
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);
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}
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$problems = array();
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$config = null;
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$show_config = false;
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foreach ($need_functions as $fname => $resolution) {
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if (function_exists($fname)) {
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continue;
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}
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static $info;
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if ($info === null) {
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ob_start();
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phpinfo(INFO_GENERAL);
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$info = ob_get_clean();
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$matches = null;
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if (preg_match('/^Configure Command =>\s*(.*?)$/m', $info, $matches)) {
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$config = $matches[1];
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}
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}
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$generic = true;
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list($what, $which) = $resolution;
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if ($what == 'flag' && strpos($config, $which) !== false) {
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$show_config = true;
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$generic = false;
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$problems[] =
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"This build of PHP was compiled with the configure flag '{$which}', ".
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"which means it does not have the function '{$fname}()'. This ".
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"function is required for arc to run. Rebuild PHP without this flag. ".
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"You may also be able to build or install the relevant extension ".
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"separately.";
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}
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if ($what == 'builtin-dll') {
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$generic = false;
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$problems[] =
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"Your install of PHP does not have the '{$which}' extension enabled. ".
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"Edit your php.ini file and uncomment the line which reads ".
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"'extension={$which}'.";
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}
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if ($what == 'text') {
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$generic = false;
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$problems[] = $which;
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}
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if ($generic) {
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$problems[] =
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"This build of PHP is missing the required function '{$fname}()'. ".
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"Rebuild PHP or install the extension which provides '{$fname}()'.";
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}
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}
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if ($problems) {
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if ($show_config) {
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$problems[] = "PHP was built with this configure command:\n\n{$config}";
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}
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die_with_bad_php(implode("\n\n", $problems));
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}
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}
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function die_with_bad_php($message) {
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echo "\nPHP CONFIGURATION ERRORS\n\n";
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echo $message;
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echo "\n\n";
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exit(1);
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}
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function arcanist_load_libraries(
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$load,
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$must_load,
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$lib_source,
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ArcanistWorkingCopyIdentity $working_copy) {
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if (!$load) {
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return;
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}
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if (!is_array($load)) {
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$error = "Libraries specified by {$lib_source} are invalid; expected ".
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"a list. Check your configuration.";
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$console = PhutilConsole::getConsole();
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$console->writeErr("WARNING: %s\n", $error);
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return;
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}
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foreach ($load as $location) {
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// Try to resolve the library location. We look in several places, in
|
|
// order:
|
|
//
|
|
// 1. Inside the working copy. This is for phutil libraries within the
|
|
// project. For instance "library/src" will resolve to
|
|
// "./library/src" if it exists.
|
|
// 2. In the same directory as the working copy. This allows you to
|
|
// check out a library alongside a working copy and reference it.
|
|
// If we haven't resolved yet, "library/src" will try to resolve to
|
|
// "../library/src" if it exists.
|
|
// 3. Using normal libphutil resolution rules. Generally, this means
|
|
// that it checks for libraries next to libphutil, then libraries
|
|
// in the PHP include_path.
|
|
//
|
|
// Note that absolute paths will just resolve absolutely through rule (1).
|
|
|
|
$resolved = false;
|
|
|
|
// Check inside the working copy. This also checks absolute paths, since
|
|
// they'll resolve absolute and just ignore the project root.
|
|
$resolved_location = Filesystem::resolvePath(
|
|
$location,
|
|
$working_copy->getProjectRoot());
|
|
if (Filesystem::pathExists($resolved_location)) {
|
|
$location = $resolved_location;
|
|
$resolved = true;
|
|
}
|
|
|
|
// If we didn't find anything, check alongside the working copy.
|
|
if (!$resolved) {
|
|
$resolved_location = Filesystem::resolvePath(
|
|
$location,
|
|
dirname($working_copy->getProjectRoot()));
|
|
if (Filesystem::pathExists($resolved_location)) {
|
|
$location = $resolved_location;
|
|
$resolved = true;
|
|
}
|
|
}
|
|
|
|
$console = PhutilConsole::getConsole();
|
|
$console->writeLog(
|
|
"Loading phutil library from '%s'...\n",
|
|
$location);
|
|
|
|
$error = null;
|
|
try {
|
|
phutil_load_library($location);
|
|
} catch (PhutilBootloaderException $ex) {
|
|
$error = "Failed to load phutil library at location '{$location}'. ".
|
|
"This library is specified by {$lib_source}. Check that the ".
|
|
"setting is correct and the library is located in the right ".
|
|
"place.";
|
|
if ($must_load) {
|
|
throw new ArcanistUsageException($error);
|
|
} else {
|
|
fwrite(STDERR, phutil_console_wrap('WARNING: '.$error."\n\n"));
|
|
}
|
|
} catch (PhutilLibraryConflictException $ex) {
|
|
if ($ex->getLibrary() != 'arcanist') {
|
|
throw $ex;
|
|
}
|
|
$arc_dir = dirname(dirname(__FILE__));
|
|
$error =
|
|
"You are trying to run one copy of Arcanist on another copy of ".
|
|
"Arcanist. This operation is not supported. To execute Arcanist ".
|
|
"operations against this working copy, run './bin/arc' (from the ".
|
|
"current working copy) not some other copy of 'arc' (you ran one ".
|
|
"from '{$arc_dir}').";
|
|
throw new ArcanistUsageException($error);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* NOTE: SPOOKY BLACK MAGIC
|
|
*
|
|
* When arc is run in a copy of arcanist other than itself, or a copy of
|
|
* libphutil other than the one we loaded, reenter the script and force it
|
|
* to use the current working directory instead of the default.
|
|
*
|
|
* In the case of execution inside arcanist/, we force execution of the local
|
|
* arc binary.
|
|
*
|
|
* In the case of execution inside libphutil/, we force the local copy to load
|
|
* instead of the one selected by default rules.
|
|
*
|
|
* @param PhutilConsole Console.
|
|
* @param ArcanistWorkingCopyIdentity The current working copy.
|
|
* @param array Original arc arguments.
|
|
* @return void
|
|
*/
|
|
function reenter_if_this_is_arcanist_or_libphutil(
|
|
PhutilConsole $console,
|
|
ArcanistWorkingCopyIdentity $working_copy,
|
|
array $original_argv) {
|
|
|
|
$project_id = $working_copy->getProjectID();
|
|
if ($project_id != 'arcanist' && $project_id != 'libphutil') {
|
|
// We're not in a copy of arcanist or libphutil.
|
|
return;
|
|
}
|
|
|
|
$library_names = array(
|
|
'arcanist' => 'arcanist',
|
|
'libphutil' => 'phutil',
|
|
);
|
|
|
|
$library_root = phutil_get_library_root($library_names[$project_id]);
|
|
$project_root = $working_copy->getProjectRoot();
|
|
if (Filesystem::isDescendant($library_root, $project_root)) {
|
|
// We're in a copy of arcanist or libphutil, but already loaded the correct
|
|
// copy. Continue execution normally.
|
|
return;
|
|
}
|
|
|
|
if ($project_id == 'libphutil') {
|
|
$console->writeLog(
|
|
"This is libphutil! Forcing this copy to load...\n");
|
|
$original_argv[0] = dirname(phutil_get_library_root('arcanist')).'/bin/arc';
|
|
$libphutil_path = $project_root;
|
|
} else {
|
|
$console->writeLog(
|
|
"This is arcanist! Forcing this copy to run...\n");
|
|
$original_argv[0] = $project_root.'/bin/arc';
|
|
$libphutil_path = dirname(phutil_get_library_root('phutil'));
|
|
}
|
|
|
|
if (phutil_is_windows()) {
|
|
$err = phutil_passthru(
|
|
'set ARC_PHUTIL_PATH=%s & %Ls',
|
|
$libphutil_path,
|
|
$original_argv);
|
|
} else {
|
|
$err = phutil_passthru(
|
|
'ARC_PHUTIL_PATH=%s %Ls',
|
|
$libphutil_path,
|
|
$original_argv);
|
|
}
|
|
|
|
exit($err);
|
|
}
|