* error message cleanup

* store registry object as property

pear/PEAR/Installer.php

@@ -61,6 +61,9 @@ class PEAR_Installer extends PEAR_Common
     /** temporary directory */
     var $tmpdir;
 
+    /** PEAR_Registry object used by the installer */
+    var $registry;
+
     // }}}
 
     // {{{ constructor
@@ -91,13 +94,15 @@ class PEAR_Installer extends PEAR_Common
     {
         // XXX FIXME Add here code to manage packages database
         //$this->loadPackageList("$this->statedir/packages.lst");
-        $registry = new PEAR_Registry;
+        if (empty($this->registry)) {
+            $this->registry = new PEAR_Registry;
+        }
         $oldcwd = getcwd();
         $need_download = false;
         if (preg_match('#^(http|ftp)://#', $pkgfile)) {
             $need_download = true;
         } elseif (!@is_file($pkgfile)) {
-            return $this->raiseError("Could not open the package file: $pkgfile");
+            return $this->raiseError("could not open the package file: $pkgfile");
         }
 
         // Download package -----------------------------------------------
@@ -132,7 +137,7 @@ class PEAR_Installer extends PEAR_Common
 
         // To allow relative package file calls
         if (!chdir(dirname($pkgfile))) {
-            return $this->raiseError('Unable to chdir to pakage directory');
+            return $this->raiseError('unable to chdir to package directory');
         }
         $pkgfile = getcwd() . DIRECTORY_SEPARATOR . basename($pkgfile);
 
@@ -145,20 +150,20 @@ class PEAR_Installer extends PEAR_Common
         $tar = new Archive_Tar($pkgfile, true);
         if (!$tar->extract($tmpdir)) {
             chdir($oldcwd);
-            return $this->raiseError("Unable to unpack $pkgfile");
+            return $this->raiseError("unable to unpack $pkgfile");
         }
         $file = basename($pkgfile);
         // Assume the decompressed dir name
         if (($pos = strrpos($file, '.')) === false) {
             chdir($oldcwd);
-            return $this->raiseError("package doesn't follow the package name convention");
+            return $this->raiseError("invalid package name");
         }
         $pkgdir = substr($file, 0, $pos);
         $descfile = $tmpdir . DIRECTORY_SEPARATOR . $pkgdir . DIRECTORY_SEPARATOR . 'package.xml';
 
         if (!is_file($descfile)) {
             chdir($oldcwd);
-            return $this->raiseError("No package.xml file after extracting the archive.");
+            return $this->raiseError("no package.xml file after extracting the archive");
         }
 
         // Parse xml file -----------------------------------------------
@@ -168,14 +173,14 @@ class PEAR_Installer extends PEAR_Common
             return $pkginfo;
         }
 
-        if ($registry->packageExists($pkginfo['package'])) {
+        if ($this->registry->packageExists($pkginfo['package'])) {
             return $this->raiseError("package already installed");
         }
 
         // Copy files to dest dir ---------------------------------------
         if (!is_dir($this->phpdir)) {
             chdir($oldcwd);
-            return $this->raiseError("No script destination directory found\n",
+            return $this->raiseError("no script destination directory found",
                                      null, PEAR_ERROR_DIE);
         }
         $tmp_path = dirname($descfile);
@@ -190,7 +195,7 @@ class PEAR_Installer extends PEAR_Common
             $fname = $tmp_path . DIRECTORY_SEPARATOR . $fname;
             $this->_installFile($fname, $dest_dir, $atts);
         }
-        $registry->addPackage($pkginfo['package'], $pkginfo);
+        $this->registry->addPackage($pkginfo['package'], $pkginfo);
         chdir($oldcwd);
         return true;
     }