git.m6w6.name Git - pharext/pharext/blob - src/pharext/Updater.php

   1 <?php
   2
   3 namespace pharext;
   4
   5 use Phar;
   6 use PharFileInfo;
   7 use SplFileInfo;
   8 use pharext\Exception;
   9
  10 class Updater implements Command
  11 {
  12         use Cli\Command;
  13
  14         /**
  15          * Create the command
  16          */
  17         public function __construct() {
  18                 $this->args = new Cli\Args([
  19                         ["h", "help", "Display this help",
  20                                 Cli\Args::OPTIONAL|Cli\Args::SINGLE|Cli\Args::NOARG|Cli\Args::HALT],
  21                         ["v", "verbose", "More output",
  22                                 Cli\Args::OPTIONAL|Cli\Args::SINGLE|Cli\Args::NOARG],
  23                         ["q", "quiet", "Less output",
  24                                 Cli\Args::OPTIONAL|Cli\Args::SINGLE|Cli\Args::NOARG],
  25                         [null, "signature", "Show pharext signature",
  26                                 Cli\Args::OPTIONAL|Cli\Args::SINGLE|Cli\Args::NOARG|Cli\Args::HALT],
  27                         [null, "license", "Show pharext license",
  28                                 Cli\Args::OPTIONAL|Cli\Args::SINGLE|Cli\Args::NOARG|Cli\Args::HALT],
  29                         [null, "version", "Show pharext version",
  30                                 Cli\Args::OPTIONAL|Cli\Args::SINGLE|Cli\Args::NOARG|Cli\Args::HALT],
  31                         [0, "path", "Path to .ext.phar to update",
  32                                 Cli\Args::REQUIRED|Cli\Args::MULTI],
  33                 ]);
  34         }
  35
  36         /**
  37          * @inheritdoc
  38          * @see \pharext\Command::run()
  39          */
  40         public function run($argc, array $argv) {
  41                 $errs = [];
  42                 $prog = array_shift($argv);
  43                 foreach ($this->args->parse(--$argc, $argv) as $error) {
  44                         $errs[] = $error;
  45                 }
  46
  47                 if ($this->args["help"]) {
  48                         $this->header();
  49                         $this->help($prog);
  50                         exit;
  51                 }
  52
  53                 try {
  54                         foreach (["signature", "license", "version"] as $opt) {
  55                                 if ($this->args[$opt]) {
  56                                         printf("%s\n", $this->metadata($opt));
  57                                         exit;
  58                                 }
  59                         }
  60                 } catch (\Exception $e) {
  61                         $this->error("%s\n", $e->getMessage());
  62                         exit(self::EARGS);
  63                 }
  64
  65
  66                 foreach ($this->args->validate() as $error) {
  67                         $errs[] = $error;
  68                 }
  69
  70                 if ($errs) {
  71                         if (!$this->args["quiet"]) {
  72                                 $this->header();
  73                         }
  74                         foreach ($errs as $err) {
  75                                 $this->error("%s\n", $err);
  76                         }
  77                         printf("\n");
  78                         if (!$this->args["quiet"]) {
  79                                 $this->help($prog);
  80                         }
  81                         exit(self::EARGS);
  82                 }
  83
  84                 foreach ($this->args[0] as $file) {
  85                         $info = new SplFileInfo($file);
  86
  87                         while ($info->isLink()) {
  88                                 $info = new SplFileInfo($info->getLinkTarget());
  89                         }
  90
  91                         if ($info->isFile()) {
  92                                 if (!$this->updatePackage($info)) {
  93                                         $this->warn("Cannot upgrade pre-v3 packages\n");
  94                                 }
  95                         } else {
  96                                 $this->error("File '%s' does not exist\n", $file);
  97                                 exit(self::EARGS);
  98                         }
  99                 }
 100         }
 101
 102         /**
 103          * Replace the pharext core in an .ext.phar package
 104          * @param string $temp path to temp phar
 105          * @return boolean FALSE if the package is too old (pre-v3) to upgrade
 106          */
 107         private function replacePharext($temp) {
 108                 $phar = new Phar($temp, Phar::CURRENT_AS_SELF);
 109                 $phar->startBuffering();
 110
 111                 if (!$meta = $phar->getMetadata()) {
 112                         // don't upgrade pre-v3 packages
 113                         return false;
 114                 }
 115
 116                 // replace current pharext files
 117                 $core = (new Task\BundleGenerator)->run($this->verbosity());
 118                 $phar->buildFromIterator($core);
 119                 $stub = __DIR__."/../pharext_installer.php";
 120                 (new Task\PharStub($phar, $stub))->run($this->verbosity());
 121
 122                 // check dependencies
 123                 foreach ($phar as $info) {
 124                         if (fnmatch("*.ext.phar*", $info->getBasename())) {
 125                                 $this->updatePackage($info, $phar);
 126                         }
 127                 }
 128
 129                 $phar->stopBuffering();
 130
 131                 $phar->setMetadata([
 132                         "version" => Metadata::version(),
 133                         "header" => Metadata::header(),
 134                 ] + $meta);
 135
 136                 $this->info("Updated pharext version from '%s' to '%s'\n",
 137                         isset($meta["version"]) ? $meta["version"] : "(unknown)",
 138                         $phar->getMetadata()["version"]);
 139
 140                 return true;
 141         }
 142
 143         /**
 144          * Update an .ext.phar package to the current pharext version
 145          * @param SplFileInfo $file
 146          * @param Phar $phar the parent phar containing $file as dependency
 147          * @return boolean FALSE if the package is too old (pre-v3) to upgrade
 148          * @throws Exception
 149          */
 150         private function updatePackage(SplFileInfo $file, Phar $phar = null) {
 151                 $this->info("Updating pharext core in '%s'...\n", basename($file));
 152
 153                 $temp = new Tempname("update", substr(strstr($file, ".ext.phar"), 4));
 154
 155                 if (!copy($file->getPathname(), $temp)) {
 156                         throw new Exception;
 157                 }
 158                 if (!chmod($temp, $file->getPerms())) {
 159                         throw new Exception;
 160                 }
 161
 162                 if (!$this->replacePharext($temp)) {
 163                         return false;
 164                 }
 165
 166                 if ($phar) {
 167                         $phar->addFile($temp, $file);
 168                 } elseif (!rename($temp, $file->getPathname())) {
 169                         throw new Exception;
 170                 }
 171
 172                 return true;
 173         }
 174 }