Differential D25030 Diff 82 src/toolset/workflow/ArcanistShellCompleteWorkflow.php

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src/toolset/workflow/ArcanistShellCompleteWorkflow.php

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	$argv = $this->getArgument('argv');	$argv = $this->getArgument('argv');

	$is_generate = $this->getArgument('generate');	$is_generate = $this->getArgument('generate');
	$is_shell = (bool)strlen($this->getArgument('shell'));	$is_shell = (bool)@strlen($this->getArgument('shell'));
	$is_current = $this->getArgument('current');	$is_current = $this->getArgument('current');

	if ($argv) {	if ($argv) {
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	$file = $spec['file'];	$file = $spec['file'];
	$home = getenv('HOME');	$home = getenv('HOME');

	if (!strlen($home)) {	if (!@strlen($home)) {
	throw new PhutilArgumentUsageException(	throw new PhutilArgumentUsageException(
	pht(	pht(
	'The "HOME" environment variable is not defined, so this workflow '.	'The "HOME" environment variable is not defined, so this workflow '.
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	$this->getShellPath($spec['source']));	$this->getShellPath($spec['source']));

	$matches = null;	$matches = null;
	$replace = preg_match(	$replace = @preg_match(
	'/(\s\n)?[^\n]+# arcanist-shell-complete\s(\n\s*)?/',	'/(\s\n)?[^\n]+# arcanist-shell-complete\s(\n\s*)?/',
	$data,	$data,
	$matches,	$matches,
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	if ($replace) {	if ($replace) {
	$replace_pos = $matches[0][1];	$replace_pos = $matches[0][1];
	$replace_line = $matches[0][0];	$replace_line = $matches[0][0];
	$replace_len = strlen($replace_line);	$replace_len = @strlen($replace_line);
	$replace_display = trim($replace_line);	$replace_display = trim($replace_line);

	if ($replace_pos === 0) {	if ($replace_pos === 0) {
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	pht('Detecting current shell...'));	pht('Detecting current shell...'));

	$shell_env = getenv('SHELL');	$shell_env = getenv('SHELL');
	if (!strlen($shell_env)) {	if (!@strlen($shell_env)) {
	$log->writeWarning(	$log->writeWarning(
	pht('SHELL'),	pht('SHELL'),
	pht(	pht(
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	$argument = null;	$argument = null;
	$prev = idx($argv, $pos - 1, null);	$prev = idx($argv, $pos - 1, null);
	if (!strncmp($prev, '--', 2)) {	if (!strncmp($prev, '--', 2)) {
	$prev = substr($prev, 2);	$prev = @substr($prev, 2);
	$argument = idx($arguments, $prev);	$argument = idx($arguments, $prev);
	}	}

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	// a parameterized argument. If it is, the next argument should be a	// a parameterized argument. If it is, the next argument should be a
	// parameter.	// parameter.

	if ($argument && strlen($argument->getParameter())) {	if ($argument && @strlen($argument->getParameter())) {
	if ($argument->getIsPathArgument()) {	if ($argument->getIsPathArgument()) {
	return $this->suggestPaths($current);	return $this->suggestPaths($current);
	} else {	} else {
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	// READ<tab>" should autocomplete a file, and "arc lint <tab>" should	// READ<tab>" should autocomplete a file, and "arc lint <tab>" should
	// suggest files in the current directory.	// suggest files in the current directory.

	if (!strlen($current) \|\| !$matches) {	if (!@strlen($current) \|\| !$matches) {
	$try_paths = true;	$try_paths = true;
	} else {	} else {
	$try_paths = false;	$try_paths = false;
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	private function getMatches(array $candidates, $prefix) {	private function getMatches(array $candidates, $prefix) {
	$matches = array();	$matches = array();

	if (strlen($prefix)) {	if (@strlen($prefix)) {
	foreach ($candidates as $possible) {	foreach ($candidates as $possible) {
	if (!strncmp($possible, $prefix, strlen($prefix))) {	if (!strncmp($possible, $prefix, @strlen($prefix))) {
	$matches[] = $possible;	$matches[] = $possible;
	}	}
	}	}
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	// If we matched nothing, try a case-insensitive match.	// If we matched nothing, try a case-insensitive match.
	if (!$matches) {	if (!$matches) {
	foreach ($candidates as $possible) {	foreach ($candidates as $possible) {
	if (!strncasecmp($possible, $prefix, strlen($prefix))) {	if (!strncasecmp($possible, $prefix, @strlen($prefix))) {
	$matches[] = $possible;	$matches[] = $possible;
	}	}
	}	}
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