setup.php

#!/usr/bin/env php
<?php

//execute a command and check for return values
function setup_exec($cmd) {
    $ret = 0;
    $out = array();
    $cmd .= " 2>&1";
    printf("Launching %s\n", $cmd);
    exec($cmd, $out, $ret);
    if ($ret != 0) {
        echo implode("\n", $out);
        printf("'%s' failed. Aborting install.\n", $cmd);
        exit(1);
    }
}

//default config
$conf = array(
    "inst-dir" => "/usr/local/",
    "bin-dir" => "/opt/phpftpfs/",
    "make-cores" => 5
);

//init getopt
$shortopts = "hj::";
$longopts  = array(
    "inst-dir::",
    "bin-dir::",
    "help"
);
$options   = getopt($shortopts, $longopts);

//help
if (isset($options["h"]) || isset($options["help"])) {
    fprintf(STDERR, "%1\$s
Marco Schuster <marco@m-s-d.eu>

cURL FTP-backed FUSE virtual filesystem - Installer

Usage: %2\$s [options]

Options:
    -h --help                 this help
    --inst-dir=s              the directory under whose bin/ subdir the ftpfs binary
                              will be installed. Defaults to %3\$s
    --bin-dir=s               the directory where the dependencies of ftpfs will
                              be installed. Defaults to %4\$s
    -j=n                      number of cores to use for make. Defaults to %5\$s

", "php-ftpfs setup", $argv[0], $conf["inst-dir"], $conf["bin-dir"], $conf["make-cores"]);
    exit(1);
}

//update config with options
if (isset($options["inst-dir"]) && !is_array($options["inst-dir"]))
    $conf["inst-dir"] = $options["inst-dir"];
if (isset($options["bin-dir"]) && !is_array($options["bin-dir"]))
    $conf["bin-dir"] = $options["bin-dir"];
if (isset($options["j"]) && is_numeric($options["j"]))
    $conf["make-cores"] = $options["j"];

//check if these are paths, convert them to paths if not
$scriptloc = realpath(dirname(__FILE__)) . "/";
if (substr($conf["inst-dir"], 0, 1) != "/") //relative path
    $conf["inst-dir"] = $scriptloc . $conf["inst-dir"];
if (substr($conf["bin-dir"], 0, 1) != "/") //relative path
    $conf["bin-dir"] = $scriptloc . $conf["bin-dir"];
if (substr($conf["inst-dir"], -1, 1) != "/")
    $conf["inst-dir"] .= "/";
if (substr($conf["bin-dir"], -1, 1) != "/")
    $conf["bin-dir"] .= "/";

printf("Installing the binary to %s and the dependencies under %s. Continue ([y]/n)? ", $conf["inst-dir"] . "bin/ftpfs", $conf["bin-dir"]);
$in = strtolower(fgetc(STDIN));
if ($in != "y" && $in != "")
    exit(1);

//check if we have a full snapshot or if we have to pull stuff with git
if (!is_file($scriptloc . "php-fuse/README") || !is_file($scriptloc . "php-src/README.md")) {
    printf("Needing to fetch stuff from git, this may take a while.\n");
    setup_exec("cd $scriptloc && git submodule init");
    setup_exec("cd $scriptloc && git submodule update");
}

//Remove old installation
if (is_file($conf["inst-dir"] . "bin/ftpfs")) {
    printf("Removing old binary\n");
    setup_exec("rm " . escapeshellarg($conf["inst-dir"] . "bin/ftpfs"));
}
if (is_dir($conf["bin-dir"])) {
    printf("Removing old dependency dir\n");
    setup_exec("rm -rf " . escapeshellarg($conf["bin-dir"]));
}

printf("Compiling PHP\n");
if (is_file($scriptloc . "php-src/Makefile"))
    setup_exec("cd ${scriptloc}php-src && make distclean");
if (is_file($scriptloc . "php-src/configure"))
    setup_exec("cd ${scriptloc}php-src && rm configure");
setup_exec("cd ${scriptloc}php-src && ./buildconf --force");
setup_exec("cd ${scriptloc}php-src && PHP_PHAR=no ./configure --disable-all --enable-cli --with-curl --enable-debug --enable-posix --enable-filter --prefix=" . escapeshellarg($conf["bin-dir"]));
setup_exec("cd ${scriptloc}php-src && make clean");
setup_exec("cd ${scriptloc}php-src && make -j " . $conf["make-cores"]);
setup_exec("cd ${scriptloc}php-src && make install");

printf("Compiling php-fuse\n");
if (is_file($scriptloc . "php-fuse/Makefile"))
    setup_exec("cd ${scriptloc}php-fuse && make distclean");
if (is_file($scriptloc . "php-fuse/configure"))
    setup_exec("cd ${scriptloc}php-fuse && rm configure");
setup_exec("cd ${scriptloc}php-fuse && " . str_replace(" ", "\\ ", $conf["bin-dir"]) . "bin/phpize --clean");
setup_exec("cd ${scriptloc}php-fuse && " . str_replace(" ", "\\ ", $conf["bin-dir"]) . "bin/phpize");
setup_exec("cd ${scriptloc}php-fuse && ./configure --with-php-config=" . escapeshellarg($conf["bin-dir"] . "bin/php-config"));
setup_exec("cd ${scriptloc}php-fuse && make clean");
setup_exec("cd ${scriptloc}php-fuse && make -j " . $conf["make-cores"]);
setup_exec("cd ${scriptloc}php-fuse && make install");

printf("Installing ftpfs\n");
setup_exec("cp ${scriptloc}ftpfs/ftpfs.php " . escapeshellarg($conf["bin-dir"] . "bin/ftpfs.php"));
setup_exec("chmod a+x " . escapeshellarg($conf["bin-dir"] . "bin/ftpfs.php"));
setup_exec("ln -s " . escapeshellarg($conf["bin-dir"] . "bin/ftpfs.php") . " " . escapeshellarg($conf["inst-dir"] . "bin/ftpfs"));

$buf = file($conf["bin-dir"] . "bin/ftpfs.php");
if (substr($buf[0], 0, 2) != "#!") {
    printf("Setting shebang line of ftpfs binary\n");
    $fp = fopen($conf["bin-dir"] . "bin/ftpfs.php", "w");
    fwrite($fp, "#!" . $conf["bin-dir"] . "bin/php\n");
    foreach ($buf as $line)
        fwrite($fp, $line);
    fclose($fp);
}

//Write the php.ini containing the system timezone to avoid warnings on date()
$tzd = file_get_contents("/etc/timezone");
if ($tzd === false || trim($tzd) == "" || !in_array(trim($tzd), DateTimeZone::listIdentifiers())) {
    printf("Warning: broken timezone info on your system. Using UTC.\n");
    $tzd = "UTC";
}
$fp = fopen($conf["bin-dir"] . "lib/php.ini", "w");
fwrite($fp, "date.timezone=$tzd\n");
fclose($fp);
printf("Installation done.\n");