more verbose errors in tarlib when needed ext is missing

darcs-hash:20080823111603-7ad00-8c6f664b96fa6c959f77965d0d1b721aecedc92c.gz

inc/TarLib.class.php

@@ -67,6 +67,7 @@ class TarLib
   var $_memdat;
   var $_nomf;
   var $_result;
+  var $_initerror;
 
   /**
    * constructor, initialize the class
@@ -100,6 +101,7 @@ class TarLib
    */
   function tarlib($p_filen = ARCHIVE_DYNAMIC , $p_comptype = COMPRESS_AUTO, $p_complevel = 9)
   {
+    $this->_initerror = 0;
     $this->_nomf = $p_filen; $flag=0;
     if($p_comptype && $p_comptype % 5 == 0){$p_comptype /= ARCHIVE_RENAMECOMP; $flag=1;}
 
@@ -116,12 +118,12 @@ class TarLib
     switch($p_comptype)
     {
       case COMPRESS_GZIP:
-        if(!extension_loaded('zlib')) $this->_result = -1;
+        if(!extension_loaded('zlib')) $this->_initerror = -1;
         $this->_comptype = COMPRESS_GZIP;
       break;
 
       case COMPRESS_BZIP:
-        if(!extension_loaded('bz2')) $this->_result = -2;
+        if(!extension_loaded('bz2')) $this->_inierror = -2;
         $this->_comptype = COMPRESS_BZIP;
       break;
 
@@ -138,7 +140,7 @@ class TarLib
         $this->_comptype = COMPRESS_NONE;
     }
 
-    if($this->_result < 0) $this->_comptype = COMPRESS_NONE;
+    if($this->_init_error < 0) $this->_comptype = COMPRESS_NONE;
 
     if($flag) $this->_nomf.= '.'.$this->getCompression(1);
     $this->_result = true;

install.php

@@ -44,6 +44,7 @@ $dokuwiki_hash = array(
     '2007-05-24'   => 'd80f2740c84c4a6a791fd3c7a353536f',
     '2007-06-26'   => 'b3ca19c7a654823144119980be73cd77',
     '2008-05-04'   => '1e5c42eac3219d9e21927c39e3240aad',
+    'devel' => 'e848931c42085af285aabec85df1ac89',
 );
 
 

lib/plugins/plugin/admin.php

@@ -641,6 +641,12 @@ class ap_manage {
           else $compress_type = COMPRESS_NONE;
 
           $tar = new TarLib($file, $compress_type);
+          if($tar->_initerror < 0){
+            if($conf['allowdebug']){
+                msg('TarLib Error: '.$tar->TarErrorStr($tar->_initerror),-1);
+            }
+            return false;
+          }
           $ok = $tar->Extract(FULL_ARCHIVE, $target, '', 0777);
 
           if($ok<1){