public static function resolveAliases($command, ArcanistConfiguration $config, array $argv, ArcanistWorkingCopyIdentity $working_copy)
{
$aliases = ArcanistAliasWorkflow::getAliases($working_copy);
if (!isset($aliases[$command])) {
return array(null, $argv);
}
$new_command = head($aliases[$command]);
$workflow = $config->buildWorkflow($new_command);
if (!$workflow) {
return array(null, $argv);
}
$alias_argv = array_slice($aliases[$command], 1);
foreach ($alias_argv as $alias_arg) {
if (!in_array($alias_arg, $argv)) {
array_unshift($argv, $alias_arg);
}
}
return array($new_command, $argv);
}
public final function selectWorkflow(&$command, array &$args, ArcanistConfigurationManager $configuration_manager, PhutilConsole $console)
{
// First, try to build a workflow with the exact name provided. We always
// pick an exact match, and do not allow aliases to override it.
$workflow = $this->buildWorkflow($command);
if ($workflow) {
return $workflow;
}
// If the user has an alias, like 'arc alias dhelp diff help', look it up
// and substitute it. We do this only after trying to resolve the workflow
// normally to prevent you from doing silly things like aliasing 'alias'
// to something else.
$aliases = ArcanistAliasWorkflow::getAliases($configuration_manager);
list($new_command, $args) = ArcanistAliasWorkflow::resolveAliases($command, $this, $args, $configuration_manager);
$full_alias = idx($aliases, $command, array());
$full_alias = implode(' ', $full_alias);
// Run shell command aliases.
if (ArcanistAliasWorkflow::isShellCommandAlias($new_command)) {
$shell_cmd = substr($full_alias, 1);
$console->writeLog("[%s: 'arc %s' -> \$ %s]", pht('alias'), $command, $shell_cmd);
if ($args) {
$err = phutil_passthru('%C %Ls', $shell_cmd, $args);
} else {
$err = phutil_passthru('%C', $shell_cmd);
}
exit($err);
}
// Run arc command aliases.
if ($new_command) {
$workflow = $this->buildWorkflow($new_command);
if ($workflow) {
$console->writeLog("[%s: 'arc %s' -> 'arc %s']\n", pht('alias'), $command, $full_alias);
$command = $new_command;
return $workflow;
}
}
$all = array_keys($this->buildAllWorkflows());
// We haven't found a real command or an alias, so try to locate a command
// by unique prefix.
$prefixes = $this->expandCommandPrefix($command, $all);
if (count($prefixes) == 1) {
$command = head($prefixes);
return $this->buildWorkflow($command);
} else {
if (count($prefixes) > 1) {
$this->raiseUnknownCommand($command, $prefixes);
}
}
// We haven't found a real command, alias, or unique prefix. Try similar
// spellings.
$corrected = self::correctCommandSpelling($command, $all, 2);
if (count($corrected) == 1) {
$console->writeErr(pht("(Assuming '%s' is the British spelling of '%s'.)", $command, head($corrected)) . "\n");
$command = head($corrected);
return $this->buildWorkflow($command);
} else {
if (count($corrected) > 1) {
$this->raiseUnknownCommand($command, $corrected);
}
}
$this->raiseUnknownCommand($command);
}
public function run()
{
$pos = $this->getArgument('current');
$argv = $this->getArgument('argv', array());
$argc = count($argv);
if ($pos === null) {
$pos = $argc - 1;
}
if ($pos > $argc) {
throw new ArcanistUsageException(pht('Specified position is greater than the number of ' . 'arguments provided.'));
}
// Determine which revision control system the working copy uses, so we
// can filter out commands and flags which aren't supported. If we can't
// figure it out, just return all flags/commands.
$vcs = null;
// We have to build our own because if we requiresWorkingCopy() we'll throw
// if we aren't in a .arcconfig directory. We probably still can't do much,
// but commands can raise more detailed errors.
$configuration_manager = $this->getConfigurationManager();
$working_copy = ArcanistWorkingCopyIdentity::newFromPath(getcwd());
if ($working_copy->getVCSType()) {
$configuration_manager->setWorkingCopyIdentity($working_copy);
$repository_api = ArcanistRepositoryAPI::newAPIFromConfigurationManager($configuration_manager);
$vcs = $repository_api->getSourceControlSystemName();
}
$arc_config = $this->getArcanistConfiguration();
if ($pos <= 1) {
$workflows = $arc_config->buildAllWorkflows();
$complete = array();
foreach ($workflows as $name => $workflow) {
if (!$workflow->shouldShellComplete()) {
continue;
}
$workflow->setArcanistConfiguration($this->getArcanistConfiguration());
$workflow->setConfigurationManager($this->getConfigurationManager());
if ($vcs || $workflow->requiresWorkingCopy()) {
$supported_vcs = $workflow->getSupportedRevisionControlSystems();
if (!in_array($vcs, $supported_vcs)) {
continue;
}
}
$complete[] = $name;
}
// Also permit autocompletion of "arc alias" commands.
$aliases = ArcanistAliasWorkflow::getAliases($configuration_manager);
foreach ($aliases as $key => $value) {
$complete[] = $key;
}
echo implode(' ', $complete) . "\n";
return 0;
} else {
$workflow = $arc_config->buildWorkflow($argv[1]);
if (!$workflow) {
list($new_command, $new_args) = ArcanistAliasWorkflow::resolveAliases($argv[1], $arc_config, array_slice($argv, 2), $configuration_manager);
if ($new_command) {
$workflow = $arc_config->buildWorkflow($new_command);
}
if (!$workflow) {
return 1;
} else {
$argv = array_merge(array($argv[0]), array($new_command), $new_args);
}
}
$arguments = $workflow->getArguments();
$prev = idx($argv, $pos - 1, null);
if (!strncmp($prev, '--', 2)) {
$prev = substr($prev, 2);
} else {
$prev = null;
}
if ($prev !== null && isset($arguments[$prev]) && isset($arguments[$prev]['param'])) {
$type = idx($arguments[$prev], 'paramtype');
switch ($type) {
case 'file':
echo "FILE\n";
break;
case 'complete':
echo implode(' ', $workflow->getShellCompletions($argv)) . "\n";
break;
default:
echo "ARGUMENT\n";
break;
}
return 0;
} else {
$output = array();
foreach ($arguments as $argument => $spec) {
if ($argument == '*') {
continue;
}
if ($vcs && isset($spec['supports']) && !in_array($vcs, $spec['supports'])) {
continue;
}
$output[] = '--' . $argument;
}
$cur = idx($argv, $pos, '');
$any_match = false;
if (strlen($cur)) {
foreach ($output as $possible) {
if (!strncmp($possible, $cur, strlen($cur))) {
$any_match = true;
}
}
}
if (!$any_match && isset($arguments['*'])) {
// TODO: This is mega hacktown but something else probably breaks
// if we use a rich argument specification; fix it when we move to
// PhutilArgumentParser since everything will need to be tested then
// anyway.
if ($arguments['*'] == 'branch' && isset($repository_api)) {
$branches = $repository_api->getAllBranches();
$branches = ipull($branches, 'name');
$output = $branches;
} else {
$output = array('FILE');
}
}
echo implode(' ', $output) . "\n";
return 0;
}
}
}
public static function resolveAliases($command, ArcanistConfiguration $config, array $argv, ArcanistConfigurationManager $configuration_manager)
{
$aliases = ArcanistAliasWorkflow::getAliases($configuration_manager);
if (!isset($aliases[$command])) {
return array(null, $argv);
}
$new_command = head($aliases[$command]);
if (self::isShellCommandAlias($new_command)) {
return array($new_command, $argv);
}
$workflow = $config->buildWorkflow($new_command);
if (!$workflow) {
return array(null, $argv);
}
$alias_argv = array_slice($aliases[$command], 1);
foreach (array_reverse($alias_argv) as $alias_arg) {
if (!in_array($alias_arg, $argv)) {
array_unshift($argv, $alias_arg);
}
}
return array($new_command, $argv);
}
$config = new ArcanistConfiguration();
}
$command = strtolower($args[0]);
$args = array_slice($args, 1);
$workflow = $config->buildWorkflow($command);
if (!$workflow) {
// If the user has an alias, like 'arc alias dhelp diff help', look it up
// and substitute it. We do this only after trying to resolve the workflow
// normally to prevent you from doing silly things like aliasing 'alias'
// to something else.
$aliases = ArcanistAliasWorkflow::getAliases($working_copy);
list($new_command, $args) = ArcanistAliasWorkflow::resolveAliases($command, $config, $args, $working_copy);
$full_alias = idx($aliases, $command, array());
$full_alias = implode(' ', $full_alias);
// Run shell command aliases.
if (ArcanistAliasWorkflow::isShellCommandAlias($new_command)) {
$shell_cmd = substr($full_alias, 1);
if ($config_trace_mode) {
echo "[alias: 'arc {$command}' -> \$ {$full_alias}]\n";
}
if ($args) {
$err = phutil_passthru('%C %Ls', $shell_cmd, $args);
} else {
$err = phutil_passthru('%C', $shell_cmd);
}
exit($err);
}
// Run arc command aliases.
if ($new_command) {
$workflow = $config->buildWorkflow($new_command);
if ($workflow) {
public function run()
{
$pos = $this->getArgument('current');
$argv = $this->getArgument('argv', array());
$argc = count($argv);
if ($pos === null) {
$pos = $argc - 1;
}
// Determine which revision control system the working copy uses, so we
// can filter out commands and flags which aren't supported. If we can't
// figure it out, just return all flags/commands.
$vcs = null;
// We have to build our own because if we requiresWorkingCopy() we'll throw
// if we aren't in a .arcconfig directory. We probably still can't do much,
// but commands can raise more detailed errors.
$working_copy = ArcanistWorkingCopyIdentity::newFromPath(getcwd());
if ($working_copy->getProjectRoot()) {
$repository_api = ArcanistRepositoryAPI::newAPIFromWorkingCopyIdentity($working_copy);
$vcs = $repository_api->getSourceControlSystemName();
}
$arc_config = $this->getArcanistConfiguration();
if ($pos == 1) {
$workflows = $arc_config->buildAllWorkflows();
$complete = array();
foreach ($workflows as $name => $workflow) {
if (!$workflow->shouldShellComplete()) {
continue;
}
$supported = $workflow->getSupportedRevisionControlSystems();
$ok = in_array('any', $supported) || in_array($vcs, $supported);
if (!$ok) {
continue;
}
$complete[] = $name;
}
// Also permit autocompletion of "arc alias" commands.
foreach (ArcanistAliasWorkflow::getAliases($working_copy) as $key => $value) {
$complete[] = $key;
}
echo implode(' ', $complete) . "\n";
return 0;
} else {
$workflow = $arc_config->buildWorkflow($argv[1]);
if (!$workflow) {
list($new_command, $new_args) = ArcanistAliasWorkflow::resolveAliases($argv[1], $arc_config, array_slice($argv, 2), $working_copy);
if ($new_command) {
$workflow = $arc_config->buildWorkflow($new_command);
}
if (!$workflow) {
return 1;
} else {
$argv = array_merge(array($argv[0]), array($new_command), $new_args);
}
}
$arguments = $workflow->getArguments();
$prev = idx($argv, $pos - 1, null);
if (!strncmp($prev, '--', 2)) {
$prev = substr($prev, 2);
} else {
$prev = null;
}
if ($prev !== null && isset($arguments[$prev]) && isset($arguments[$prev]['param'])) {
$type = idx($arguments[$prev], 'paramtype');
switch ($type) {
case 'file':
echo "FILE\n";
break;
case 'complete':
echo implode(' ', $workflow->getShellCompletions($argv)) . "\n";
break;
default:
echo "ARGUMENT\n";
break;
}
return 0;
} else {
$output = array();
foreach ($arguments as $argument => $spec) {
if ($argument == '*') {
continue;
}
if ($vcs && isset($spec['supports']) && !in_array($vcs, $spec['supports'])) {
continue;
}
$output[] = '--' . $argument;
}
$cur = idx($argv, $pos, '');
$any_match = false;
foreach ($output as $possible) {
if (!strncmp($possible, $cur, strlen($cur))) {
$any_match = true;
}
}
if (!$any_match && isset($arguments['*'])) {
// TODO: the '*' specifier should probably have more details about
// whether or not it is a list of files. Since it almost always is in
// practice, assume FILE for now.
echo "FILE\n";
} else {
echo implode(' ', $output) . "\n";
}
return 0;
}
}
}
$args = array_slice($args, 1);
$workflow = $config->buildWorkflow($command);
if (!$workflow) {
// If the user has an alias, like 'arc alias dhelp diff help', look it up
// and substitute it. We do this only after trying to resolve the workflow
// normally to prevent you from doing silly things like aliasing 'alias'
// to something else.
list($new_command, $args) = ArcanistAliasWorkflow::resolveAliases($command, $config, $args, $working_copy);
if ($new_command) {
$workflow = $config->buildWorkflow($new_command);
}
if (!$workflow) {
throw new ArcanistUsageException("Unknown command '{$command}'. Try 'arc help'.");
} else {
if ($config_trace_mode) {
$aliases = ArcanistAliasWorkflow::getAliases($working_copy);
$target = implode(' ', idx($aliases, $command, array()));
echo "[alias: 'arc {$command}' -> 'arc {$target}']\n";
}
$command = $new_command;
}
}
$workflow->setArcanistConfiguration($config);
$workflow->setCommand($command);
$workflow->setWorkingDirectory($working_directory);
$workflow->parseArguments($args);
$need_working_copy = $workflow->requiresWorkingCopy();
$need_conduit = $workflow->requiresConduit();
$need_auth = $workflow->requiresAuthentication();
$need_repository_api = $workflow->requiresRepositoryAPI();
$need_conduit = $need_conduit || $need_auth;
