+++ /dev/null
-<?php
-
-/**
- * @file
- * Functions used when Drush is starting up.
- *
- * This file is included and used early in the Drush
- * startup process, before any other Drush APIs are
- * available, and before the autoloader has been included.
- */
-
-/**
- * Get the current enviornment.
- */
-function drush_env() {
- // Fetch the current environment. To ensure that
- // $_ENV is correctly populated, make sure that
- // the value of 'variables-order' in your php.ini
- // contains "E" ("Environment"). See:
- // http://us.php.net/manual/en/ini.core.php#ini.variables-order
- $env = $_ENV;
-
- // If PHP is not configured correctly, $_ENV will be
- // empty. Drush counts on the fact that environment
- // variables will always be available, though, so we
- // need to repair this situation. We can always access
- // individual environmnet values via getenv(); however,
- // there is no PHP API that will tell us all of the
- // available values, so we will get the environment
- // variable values using 'printenv'.
- if (empty($env)) {
- exec('printenv', $env_items);
- foreach ($env_items as $item) {
- // Each $item is 'key=value' or just 'key'.
- // If $item has no value, then explode will return
- // a single array, [0 => 'key']. We add a default
- // value of [1 => 'value'] to cover this case. If
- // explode returns two items, the default value is ignored.
- list($key, $value) = explode('=', $item, 2) + array(1 => '');
- $env[$key] = $value;
- }
- }
-
- return $env;
-}
-
-/**
- * Checks the provided location and return the appropriate
- * Drush wrapper or Drush launcher script, if found.
- *
- * If the provided location looks like it might be a web
- * root (i.e., it contains an index.php), then we will search
- * in a number of locations in the general vicinity of the
- * web root for a Drush executable.
- *
- * For other locations, we will look only in that specific
- * directory, or in vendor/bin.
- */
-function find_wrapper_or_launcher($location) {
- if (file_exists($location. DIRECTORY_SEPARATOR. 'index.php')) {
- return find_wrapper_or_launcher_in_vicinity($location);
- }
- return find_wrapper_or_launcher_in_specific_locations($location, ["", 'vendor'. DIRECTORY_SEPARATOR. 'bin']);
-}
-
-/**
- * We look for a "Drush wrapper" script that might
- * be stored in the root of a site. If there is
- * no wrapper script, then we look for the
- * drush.launcher script in vendor/bin. We try just a
- * few of the most common locations; if the user relocates
- * their vendor directory anywhere else, then they must
- * use a wrapper script to locate it. See the comment in
- * 'examples/drush' for details.
- */
-function find_wrapper_or_launcher_in_vicinity($location) {
- $sep = DIRECTORY_SEPARATOR;
- $drush_locations = [
- "",
- "vendor{$sep}bin/",
- "..{$sep}vendor{$sep}bin{$sep}",
- "sites{$sep}all{$sep}vendor{$sep}bin{$sep}",
- "sites{$sep}all{$sep}vendor{$sep}drush{$sep}drush{$sep}",
- "sites{$sep}all{$sep}drush{$sep}drush{$sep}",
- "drush{$sep}drush{$sep}",
- ];
-
- return find_wrapper_or_launcher_in_specific_locations($location, $drush_locations);
-}
-
-function find_wrapper_or_launcher_in_specific_locations($location, $drush_locations) {
- $sep = DIRECTORY_SEPARATOR;
- foreach ($drush_locations as $d) {
- $found_script = find_wrapper_or_launcher_at_location("$location$sep$d");
- if (!empty($found_script)) {
- return $found_script;
- }
- }
- return "";
-}
-
-/**
- * We are somewhat "loose" about whether we are looking
- * for "drush" or "drush.launcher", because in old versions
- * of Drush, the "drush launcher" was named "drush".
- * Otherwise, there wouldn't be any point in looking for
- * "drush.launcher" at the root, or "drush" in a vendor directory.
- * We also allow users to rename their drush wrapper to
- * 'drush.wrapper' to avoid conflicting with a directory named
- * 'drush' at the site root.
- */
-function find_wrapper_or_launcher_at_location($location) {
- $sep = DIRECTORY_SEPARATOR;
- // Sanity-check: empty $location means that we should search
- // at the cwd, not at the root of the filesystem.
- if (empty($location)) {
- $location = ".";
- }
- foreach (array('.launcher', '.wrapper', '') as $suffix) {
- $check_location = "$location{$sep}drush$suffix";
- if (is_file($check_location)) {
- return $check_location;
- }
- }
- return "";
-}
-
-/**
- * Determine whether current OS is a Windows variant.
- */
-function drush_is_windows($os = NULL) {
- // The _drush_get_os() function may not be available, so resolve "LOCAL"
- if (!$os || $os == "LOCAL") {
- $os = PHP_OS;
- }
- return strtoupper(substr($os, 0, 3)) === 'WIN';
-}
-
-function drush_escapeshellarg($arg, $os = NULL, $raw = FALSE) {
- // Short-circuit escaping for simple params (keep stuff readable)
- if (preg_match('|^[a-zA-Z0-9.:/_-]*$|', $arg)) {
- return $arg;
- }
- elseif (drush_is_windows($os)) {
- return _drush_escapeshellarg_windows($arg, $raw);
- }
- else {
- return _drush_escapeshellarg_linux($arg, $raw);
- }
-}
-
-/**
- * Linux version of escapeshellarg().
- *
- * This is intended to work the same way that escapeshellarg() does on
- * Linux. If we need to escape a string that will be used remotely on
- * a Linux system, then we need our own implementation of escapeshellarg,
- * because the Windows version behaves differently.
- */
-function _drush_escapeshellarg_linux($arg, $raw = FALSE) {
- // For single quotes existing in the string, we will "exit"
- // single-quote mode, add a \' and then "re-enter"
- // single-quote mode. The result of this is that
- // 'quote' becomes '\''quote'\''
- $arg = preg_replace('/\'/', '\'\\\'\'', $arg);
-
- // Replace "\t", "\n", "\r", "\0", "\x0B" with a whitespace.
- // Note that this replacement makes Drush's escapeshellarg work differently
- // than the built-in escapeshellarg in PHP on Linux, as these characters
- // usually are NOT replaced. However, this was done deliberately to be more
- // conservative when running _drush_escapeshellarg_linux on Windows
- // (this can happen when generating a command to run on a remote Linux server.)
- $arg = str_replace(array("\t", "\n", "\r", "\0", "\x0B"), ' ', $arg);
-
- // Only wrap with quotes when needed.
- if(!$raw) {
- // Add surrounding quotes.
- $arg = "'" . $arg . "'";
- }
-
- return $arg;
-}
-
-/**
- * Windows version of escapeshellarg().
- */
-function _drush_escapeshellarg_windows($arg, $raw = FALSE) {
- // Double up existing backslashes
- $arg = preg_replace('/\\\/', '\\\\\\\\', $arg);
-
- // Double up double quotes
- $arg = preg_replace('/"/', '""', $arg);
-
- // Double up percents.
- // $arg = preg_replace('/%/', '%%', $arg);
-
- // Only wrap with quotes when needed.
- if(!$raw) {
- // Add surrounding quotes.
- $arg = '"' . $arg . '"';
- }
-
- return $arg;
-}
-
-/**
- * drush_startup is called once, by the Drush "finder"
- * script -- the "drush" script at the Drush root.
- * It finds the correct Drush "wrapper" or "launcher"
- * script to use, and executes it with process replacement.
- */
-function drush_startup($argv) {
- $sep = DIRECTORY_SEPARATOR;
- $found_script = "";
- $cwd = getcwd();
- $home = getenv("HOME");
- $use_dir = "$home{$sep}.drush{$sep}use";
-
- // Get the arguments for the command. Shift off argv[0],
- // which contains the name of this script.
- $arguments = $argv;
- array_shift($arguments);
-
- // We need to do at least a partial parsing of the options,
- // so that we can find --root / -r and so on.
- $VERBOSE=FALSE;
- $DEBUG=FALSE;
- $ROOT=FALSE;
- $COMMAND=FALSE;
- $ALIAS=FALSE;
- $VAR=FALSE;
-
- foreach ($arguments as $arg) {
- // If a variable to set was indicated on the
- // previous iteration, then set the value of
- // the named variable (e.g. "ROOT") to "$arg".
- if ($VAR) {
- $$VAR = "$arg";
- $VAR = FALSE;
- }
- else {
- switch ($arg) {
- case "-r":
- $VAR = "ROOT";
- break;
-
- case "-dv":
- case "-vd":
- case "--debug":
- case "-d":
- $DEBUG = TRUE;
- break;
-
- case "-dv":
- case "-vd":
- case "--verbose":
- case "-v":
- $VERBOSE = TRUE;
- break;
- }
- if (!$COMMAND && !$ALIAS && ($arg[0] == '@')) {
- $ALIAS = $arg;
- }
- elseif (!$COMMAND && ($arg[0] != '-')) {
- $COMMAND = $arg;
- }
- if (substr($arg, 0, 7) == "--root=") {
- $ROOT = substr($arg, 7);
- }
- }
- }
-
- $NONE=($ALIAS == "@none");
-
- // If we have found the site-local Drush script, then
- // do not search for it again; use the environment value
- // we set last time.
- $found_script = getenv('DRUSH_FINDER_SCRIPT');
-
- // If the @none alias is used, then we skip the Drush wrapper,
- // and call the Drush launcher directly.
- //
- // In this instance, we are assuming that the 'drush' that is being
- // called is:
- //
- // a) The global 'drush', or
- // b) A site-local 'drush' in a vendor/bin directory.
- //
- // In either event, the appropriate 'drush.launcher' should be right next
- // to this script (stored in the same directory).
- if (empty($found_script) && $NONE) {
- if (is_file(dirname(__DIR__) . "{$sep}drush.launcher")) {
- $found_script = dirname(__DIR__) . "{$sep}drush.launcher";
- }
- else {
- fwrite(STDERR, "Could not find drush.launcher in " . dirname(__DIR__) . ". Check your installation.\n");
- exit(1);
- }
- }
-
- // Check for a root option:
- //
- // drush --root=/path
- //
- // If the site root is specified via a commandline option, then we
- // should always use the Drush stored at this root, if there is one.
- // We will first check for a "wrapper" script at the root, and then
- // we will look for a "launcher" script in vendor/bin.
- if (empty($found_script) && !empty($ROOT)) {
- $found_script = find_wrapper_or_launcher($ROOT);
- if (!empty($found_script)) {
- chdir($ROOT);
- }
- }
-
- // If there is a .drush-use file, then its contents will
- // contain the path to the Drush to use.
- if (empty($found_script)) {
- if (is_file(".drush-use")) {
- $found_script = trim(file_get_contents(".drush-use"));
- }
- }
-
- // Look for a 'drush' wrapper or launcher at the cwd,
- // and in each of the directories above the cwd. If
- // we find one, use it.
- if (empty($found_script)) {
- $c = getcwd();
- // Windows can give us lots of different strings to represent the root
- // directory as it often includes the drive letter. If we get the same
- // result from dirname() twice in a row, then we know we're at the root.
- $last = '';
- while (!empty($c) && ($c != $last)) {
- $found_script = find_wrapper_or_launcher($c);
- if ($found_script) {
- chdir($c);
- break;
- }
- $last = $c;
- $c = dirname($c);
- }
- }
-
- if (!empty($found_script)) {
- $found_script = realpath($found_script);
-
- // Guard against errors: if we have found a "drush" script
- // (that is, theoretically a drush wrapper script), and
- // there is a "drush.launcher" script in the same directory,
- // then we will skip the "drush" script and use the drush launcher
- // instead. This is because drush "wrapper" scripts should
- // only ever exist at the root of a site, and there should
- // never be a drush "launcher" at the root of a site.
- // Therefore, if we find a "drush.launcher" next to a script
- // called "drush", we have probably found a Drush install directory,
- // not a site root. Adjust appropriately. Note that this
- // also catches the case where a drush "finder" script finds itself.
- if (is_file(dirname($found_script) . "{$sep}drush.launcher")) {
- $found_script = dirname($found_script) . "{$sep}drush.launcher";
- }
- }
-
- // Didn't find any site-local Drush, or @use'd Drush.
- // Skip the Bash niceties of the launcher and proceed to drush_main() in either case:
- // - No script was found and we are running a Phar
- // - The found script *is* the Phar https://github.com/drush-ops/drush/pull/2246.
- $phar_path = class_exists('Phar') ? Phar::running(FALSE) : '';
- if ((empty($found_script) && $phar_path) || !empty($found_script) && $found_script == $phar_path) {
- drush_run_main($DEBUG, $sep, "Phar detected. Proceeding to drush_main().");
- }
-
- // Didn't find any site-local Drush, or @use'd Drush, or Phar.
- // There should be a drush.launcher in same directory as this script.
- if (empty($found_script)) {
- $found_script = dirname(__DIR__) . "{$sep}drush.launcher";
- }
-
- if (drush_is_windows()) {
- // Sometimes we found launcher in /bin, and sometimes not. Adjust accordingly.
- if (strpos($found_script, 'bin')) {
- $found_script = dirname($found_script). $sep. 'drush.php.bat';
- }
- else {
- array_unshift($arguments, dirname($found_script). $sep. 'drush.php');
- $found_script = 'php';
- }
- }
-
- // Always use pcntl_exec if it exists.
- $use_pcntl_exec = function_exists("pcntl_exec") && (strpos(ini_get('disable_functions'), 'pcntl_exec') === FALSE);
-
- // If we have posix_getppid, then pass in the shell pid so
- // that 'site-set' et. al. can work correctly.
- if (function_exists('posix_getppid')) {
- putenv("DRUSH_SHELL_PID=" . posix_getppid());
- }
-
- // Set an environment variable indicating which script
- // the Drush finder found. If we end up re-entrantly calling
- // another Drush finder, then we will skip searching for
- // a site-local Drush, and always use the drush.launcher
- // found previously. This environment variable typically should
- // not be set by clients.
- putenv("DRUSH_FINDER_SCRIPT=$found_script");
-
- // Emit a message in debug mode advertising the location of the
- // script we found.
- if ($DEBUG) {
- $launch_method = $use_pcntl_exec ? 'pcntl_exec' : 'proc_open';
- fwrite(STDERR, "Using the Drush script found at $found_script using $launch_method\n");
- }
-
- if ($use_pcntl_exec) {
- // Get the current environment for pnctl_exec.
- $env = drush_env();
-
- // Launch the new script in the same process.
- // If the launch succeeds, then it will not return.
- $error = pcntl_exec($found_script, $arguments, $env);
- if (!$error) {
- $errno = pcntl_get_last_error();
- $strerror = pcntl_strerror($errno);
- fwrite(STDERR, "Error has occurred executing the Drush script found at $found_script\n");
- fwrite(STDERR, "(errno {$errno}) $strerror\n");
- }
- exit(1);
- }
- else {
- $escaped_args = array_map(function($item) { return drush_escapeshellarg($item); }, $arguments);
- // Double quotes around $found_script as it can contain spaces.
- $cmd = drush_escapeshellarg($found_script). ' '. implode(' ', $escaped_args);
- if (drush_is_windows()) {
- // Windows requires double quotes around whole command.
- // @see https://bugs.php.net/bug.php?id=49139
- // @see https://bugs.php.net/bug.php?id=60181
- $cmd = '"'. $cmd. '"';
- }
- $process = proc_open($cmd, array(0 => STDIN, 1 => STDOUT, 2 => STDERR), $pipes, $cwd);
- $proc_status = proc_get_status($process);
- $exit_code = proc_close($process);
- exit($proc_status["running"] ? $exit_code : $proc_status["exitcode"] );
- }
-}
-
-/**
- * Run drush_main() and then exit. Used when we cannot hand over execution to
- * the launcher.
- *
- * @param bool $DEBUG
- * Are we in debug mode
- * @param string $sep
- * Directory separator
- * @param string $msg
- * Debug message to log before running drush_main()
- */
-function drush_run_main($DEBUG, $sep, $msg) {
-// Emit a message in debug mode advertising how we proceeded.
- if ($DEBUG) {
- fwrite(STDERR, $msg. "\n");
- }
- require __DIR__ . "{$sep}preflight.inc";
- exit(drush_main());
-}
projects / yaffs-website / blobdiff