Rsync wrapper for IDEA to fix rsync deployment from wsl

wslrsync.php

#!/usr/bin/env php
<?php
/**
 * Rsync wrapper for IDEA to fix rsync deployment from wsl
 * In "Rsync settings" set:
 *  - Rsync executable path:    "c:\windows\system32\wsl.exe"
 *  - Rsync options:            "/path/where/you/saved/wslrsync.php -zar"
 *  - Shell executable path:    "ssh"
 */
$verbose = true;

$cwd = getcwd();
if (str_contains($cwd, 'wsl$')) {
    // in case you keep your project in WSL, IDEA sets workdir to /mnt/c/wsl$/Ubuntu/home/..
    // this is wrong, so "/*/wsl$/<distro_name>" should be removed
    $realCwd = preg_replace('/^.+wsl\$.[^\/]+/', '', $cwd);
}
if (str_contains($cwd, ':\\')) {
    // otherwise, for windows paths we use `wslpath`
    $realCwd = trim(`wslpath -a $cwd`);
}
if ($cwd != $realCwd) {
    if ($verbose) {
        echo "[fix cwd] $cwd -> $realCwd\n";
    }
    if (file_exists('fileList.txt')) {
        // for a long list of files, IDEA puts their names in this list file
        // we need to keep it locally available after changing workdir
        rename("$cwd/fileList.txt", "$realCwd/fileList.txt");
        if ($verbose) {
            echo "[move fileList.txt] $realCwd/fileList.txt\n";
        }
    }
    chdir($realCwd);
    $cwd = $realCwd;
}

$params = $argv;
array_shift($params); // remove this script name

foreach ($params as &$param) {
    // this is mostly for ssh-key path passed in "-e 'ssh -p 22 -i C:\...\id_rsa"
    // but to be sure, let's convert windows paths found anywhere in params
    $param = preg_replace_callback(
        '/[A-Z]:\\\[^ ,\'\"]+/',
        function ($match) {
            $winpath = escapeshellarg($match[0]);
            $wslpath = trim(`wslpath -a $winpath`);
            if ($verbose) {
                echo "[fix arg] $winpath -> $wslpath\n";
            }
            return $wslpath;
        },
        $param
    );
    $param = escapeshellarg($param);
}

$cmd = "rsync " . ($verbose ? '-v ' : '') . implode(' ', $params);
if ($verbose) {
    echo "-- running: \n$cmd\n--->\n";
}

// output will be passed through
system($cmd, $exitCode);

if (file_exists("$cwd/fileList.txt")) {
    @unlink("$cwd/fileList.txt");
}

exit($exitCode);