Added workaround for installing, removing then reinstalling packages to

different destiations.
Also now only sends the -dest command down to ipkg on an install

2 files changed, 81 insertions, 2 deletions

diff --git a/noncore/settings/aqpkg/ipkg.cpp b/noncore/settings/aqpkg/ipkg.cpp
index c762633..452eca3 100644
--- a/noncore/settings/aqpkg/ipkg.cpp
+++ b/noncore/settings/aqpkg/ipkg.cpp
@@ -1,357 +1,435 @@
 /***************************************************************************
                           ipkg.cpp  -  description
                              -------------------
     begin                : Sat Aug 31 2002
     copyright            : (C) 2002 by Andy Qua
     email                : andy.qua@blueyonder.co.uk
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #include <fstream>
 using namespace std;
 
 #include <stdio.h>
 #include <unistd.h>
 
 #ifdef QWS
 #include <qpe/qpeapplication.h>
 #else
 #include <qapplication.h>
 #endif
 #include <qdir.h>
 #include <qtextstream.h>
 
 #include "utils.h"
 #include "ipkg.h"
 #include "global.h"
 
 Ipkg :: Ipkg()
 {
 }
 
 Ipkg :: ~Ipkg()
 {
 }
 
 // Option is what we are going to do - install, upgrade, download, reinstall
 // package is the package name to install - either a fully qualified path and ipk
 //   file (if stored locally) or just the name of the package (for a network package)
 // packageName is the package name - (for a network package this will be the same as
 //    package parameter)
 // dest is the destination alias (from ipk.conf)
 // destDir is the dir that the destination alias points to (used to link to root)
 // flags is the ipkg options flags
 // dir is the directory to run ipkg in (defaults to "")
 bool Ipkg :: runIpkg( )
 {
     bool ret = false;
 
     QDir::setCurrent( "/tmp" );
     QString cmd = "";
 
     if ( runtimeDir != "" )
     {
         cmd += "cd ";
         cmd += runtimeDir;
         cmd += " ; ";
     }
     cmd += "ipkg -force-defaults";
-    if ( option != "update" && option != "download" )
-    {
+
+    // only set the destination for an install operation
+    if ( option == "install" )
         cmd += " -dest "+ destination;
 
+
+    if ( option != "update" && option != "download" )
+    {
         if ( flags & FORCE_DEPENDS )
             cmd += " -force-depends";
         if ( flags & FORCE_REINSTALL  )
             cmd += " -force-reinstall";
         if ( flags & FORCE_REMOVE )
             cmd += " -force-removal-of-essential-packages";
         if ( flags & FORCE_OVERWRITE )
             cmd += " -force-overwrite";
 
         // Handle make links
         // Rules - If make links is switched on, create links to root
         // if destDir is NOT /
         if ( flags & MAKE_LINKS )
         {
             // If destDir == / turn off make links as package is being insalled
             // to root already.
             if ( destDir == "/" )
                 flags ^= MAKE_LINKS;
         }
     }
     
 #ifdef X86
     cmd += " -f ";
     cmd += IPKG_CONF;
 #endif
 
 
     if ( option == "reinstall" )
         cmd += " install";
     else
         cmd += " " + option;
     if ( package != "" )
         cmd += " " + package;
     cmd += " 2>&1";
 
 
     if ( package != "" )
         emit outputText( QString( "Dealing with package " ) + package );
 
     qApp->processEvents();
 
     // If we are removing packages and make links option is selected
     // create the links
     if ( option == "remove" || option == "reinstall" )
     {
         createLinks = false;
         if ( flags & MAKE_LINKS )
         {
             emit outputText( QString( "Removing symbolic links...\n" ) );
             linkPackage( Utils::getPackageNameFromIpkFilename( package ), destination, destDir );
             emit outputText( QString( " " ) );
         }
     }
     
     emit outputText( cmd );
 
     // Execute command
     dependantPackages = new QList<QString>;
     dependantPackages->setAutoDelete( true );
 
     ret = executeIpkgCommand( cmd, option );
 
     if ( option == "install" || option == "reinstall" )
     {
         // If we are not removing packages and make links option is selected
         // create the links
         createLinks = true;
         if ( flags & MAKE_LINKS )
         {
             emit outputText( " " );
             emit outputText( QString( "Creating symbolic links for " )+ package );
             
             linkPackage( Utils::getPackageNameFromIpkFilename( package ), destination, destDir );
 
             // link dependant packages that were installed with this release
             QString *pkg;
             for ( pkg = dependantPackages->first(); pkg != 0; pkg = dependantPackages->next() )
             {
                 if ( *pkg == package )
                     continue;
                 emit outputText( " " );
                 emit outputText( QString( "Creating symbolic links for " )+ (*pkg) );
                 linkPackage( Utils::getPackageNameFromIpkFilename( *pkg ), destination, destDir );
             }
         }
     }
 
     delete dependantPackages;
+
+    // Finally, if we are removing a package, remove its entry from the <destdir>/usr/lib/ipkg/status file
+    // to workaround an ipkg bug which stops reinstall to a different location
+    if ( option == "remove" )
+        removeStatusEntry();
     
+
 //    emit outputText( QString( "Finished - status=" ) + (ret ? "success" : "failure") );
     emit outputText( "Finished" );
     emit outputText( "" );
     return ret;
 }
 
+void Ipkg :: removeStatusEntry()
+{
+    QString statusFile = destDir;
+    if ( statusFile.right( 1 ) != "/" )
+        statusFile += "/";
+    statusFile += "usr/lib/ipkg/status";
+    QString outStatusFile = statusFile + ".tmp";
+
+    emit outputText( "" );
+    emit outputText( "Removing status entry..." );
+    emit outputText( QString( "status file - " )+ statusFile );
+    emit outputText( QString( "package - " )+ package );
+    
+    ifstream in( statusFile );
+    ofstream out( outStatusFile );
+	if ( !in.is_open() )
+    {
+        emit outputText( QString( "Couldn't open status file - " )+ statusFile );
+        return;
+    }
+
+    if ( !out.is_open() )
+    {
+        emit outputText( QString( "Couldn't create tempory status file - " )+ outStatusFile );
+        return;
+    }
+
+    char line[1001];
+    char k[21];
+    char v[1001];
+    QString key;
+    QString value;
+    do
+    {
+        in.getline( line, 1000 );
+        if ( in.eof() )
+            continue;
+
+        k[0] = '\0';
+        v[0] = '\0';
+
+        sscanf( line, "%[^:]: %[^\n]", k, v );
+        key = k;
+        value = v;
+        key = key.stripWhiteSpace();
+        value = value.stripWhiteSpace();
+        if ( key == "Package" && value == package )
+        {
+            // Ignore all lines up to next empty
+            do
+            {
+                in.getline( line, 1000 );
+                if ( in.eof() || QString( line ).stripWhiteSpace() == "" )
+                    continue;
+            } while ( !in.eof() && QString( line ).stripWhiteSpace() != "" );
+        }
+
+        out << line << endl;
+    } while ( !in.eof() );
+
+    in.close();
+    out.close();
+
+    // Remove old status file and put tmp stats file in its place
+    remove( statusFile );
+    rename( outStatusFile, statusFile );
+}
+
 
 int Ipkg :: executeIpkgCommand( QString &cmd, const QString option )
 {
     FILE *fp = NULL;
     char line[130];
     QString lineStr, lineStrOld;
     int ret = false;
 
     fp = popen( (const char *) cmd, "r");
     if ( fp == NULL )
     {
         cout << "Couldn't execute " << cmd << "! err = " << fp << endl;
         QString text;
         text.sprintf( "Couldn't execute %s! See stdout for error code", (const char *)cmd );
         emit outputText( text );
     }
     else
     {
         while ( fgets( line, sizeof line, fp) != NULL )
         {
             lineStr = line;
             lineStr=lineStr.left( lineStr.length()-1 );
 
             if ( lineStr != lineStrOld )
             {
                 //See if we're finished
                 if ( option == "install" || option == "reinstall" )
                 {
                     // Need to keep track of any dependant packages that get installed
                     // so that we can create links to them as necessary
                     if ( lineStr.startsWith( "Installing " ) )
                     {
                         int start = lineStr.find( " " ) + 1;
                         int end = lineStr.find( " ", start );
                         QString *package = new QString( lineStr.mid( start, end-start ) );
                         dependantPackages->append( package );
                     }
                 }
                 
                 if ( option == "update" )
                 {
                     if (lineStr.contains("Updated list"))
                         ret = true;
                 }
                 else if ( option == "download" )
                 {
                     if (lineStr.contains("Downloaded"))
                         ret = true;
                 }
                 else
                 {
                     if (lineStr.contains("Done"))
                         ret = true;
                 }
 
                 emit outputText( lineStr );
             }
             lineStrOld = lineStr;
             qApp->processEvents();
         }
         pclose(fp);
     }
 
     return ret;
 }
 
 
 void Ipkg :: linkPackage( const QString &packFileName, const QString &dest, const QString &destDir )
 {
     if ( dest == "root" || dest == "/" )
         return;
         
     qApp->processEvents();
     QStringList *fileList = getList( packFileName, destDir );
     qApp->processEvents();
     processFileList( fileList, destDir );
     delete fileList;
 }
 
 QStringList* Ipkg :: getList( const QString &packageFilename, const QString &destDir )
 {
     QString packageFileDir = destDir+"/usr/lib/ipkg/info/"+packageFilename+".list";
     QFile f( packageFileDir );
 
     cout << "Try to open " << packageFileDir << endl;
     if ( !f.open(IO_ReadOnly) )
     {
         // Couldn't open from dest, try from /
         cout << "Could not open:" << packageFileDir << endl;
         f.close();
         
         packageFileDir = "/usr/lib/ipkg/info/"+packageFilename+".list";
         f.setName( packageFileDir );
 //        cout << "Try to open " << packageFileDir.latin1() << endl;
         if ( ! f.open(IO_ReadOnly) )
         {
             cout << "Could not open:" << packageFileDir << endl;
             emit outputText( QString( "Could not open :" ) + packageFileDir );
             return (QStringList*)0;
         }
     }
     QStringList *fileList = new QStringList();
     QTextStream t( &f );
     while ( !t.eof() )
         *fileList += t.readLine();
 
     f.close();
     return fileList;
 }
 
 void Ipkg :: processFileList( const QStringList *fileList, const QString &destDir )
 {
     if ( !fileList || fileList->isEmpty() )
         return;
 
     QString baseDir = ROOT;
 
     if ( createLinks == true )
     {
         for ( uint i=0; i < fileList->count(); i++ )
         {
             processLinkDir( (*fileList)[i], baseDir, destDir );
             qApp->processEvents();
         }
     }
     else
     {
         for ( int i = fileList->count()-1; i >= 0 ; i-- )
         {
             processLinkDir( (*fileList)[i], baseDir, destDir );
             qApp->processEvents();
         }
     }
 }
 
 void Ipkg :: processLinkDir( const QString &file, const QString &destDir, const QString &baseDir )
 {
 
     QString sourceFile = baseDir + file;
     
     QString linkFile = destDir;
     if ( file.startsWith( "/" ) && destDir.right( 1 ) == "/" )
     {
         linkFile += file.mid( 1 );
     }   
     else
     {
         linkFile += file;
     }
     QString text;
     if ( createLinks )
     {
         // If this file is a directory (ends with a /) and it doesn't exist,
         // we need to create it
         if ( file.right(1) == "/" )
         {
             QFileInfo f( linkFile );
             if ( !f.exists() )
             {
                 emit outputText( QString( "Creating directory " ) + linkFile );
                 QDir d;
                 d.mkdir( linkFile, true );
             }
             else
                 emit outputText( QString( "Directory " ) + linkFile + " exists" );
             
         }
         else
         {
             int rc = symlink( sourceFile, linkFile );
             text = (rc == 0 ? "Linked " : "Failed to link ");
             text += sourceFile + " to " + linkFile;
             emit outputText( text );
         }
     }
     else
     {
         QFileInfo f( linkFile );
         if ( f.exists() )
         {
             if ( f.isFile() )
             {
                 QFile f( linkFile );
                 bool rc = f.remove();
 
                 text = (rc ? "Removed " : "Failed to remove ");
                 text += linkFile;
                 emit outputText( text );
             }
             else if ( f.isDir() )
             {
                 QDir d;
diff --git a/noncore/settings/aqpkg/ipkg.h b/noncore/settings/aqpkg/ipkg.h
index 63588c4..55e9ff4 100644
--- a/noncore/settings/aqpkg/ipkg.h
+++ b/noncore/settings/aqpkg/ipkg.h
@@ -1,72 +1,73 @@
 /***************************************************************************
                           ipkg.h  -  description
                              -------------------
     begin                : Sat Aug 31 2002
     copyright            : (C) 2002 by Andy Qua
     email                : andy.qua@blueyonder.co.uk
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #ifndef IPKG_H
 #define IPKG_H
 
 
 /**
   *@author Andy Qua
   */
 
 #include <qobject.h>
 #include <qstring.h>
 #include <qlist.h>
 
 #define FORCE_DEPENDS                           0x0001
 #define FORCE_REMOVE                            0x0002
 #define FORCE_REINSTALL                         0x0004
 #define FORCE_OVERWRITE                         0x0008
 #define MAKE_LINKS                              0x0010
   
 class Ipkg : public QObject
 {
     Q_OBJECT
 public:
     Ipkg();
     ~Ipkg();
     bool runIpkg( );
 
     void setOption( const char *opt )               { option = opt; }
     void setPackage( const char *pkg )              { package = pkg; }
     void setDestination( const char *dest )         { destination = dest; }
     void setDestinationDir( const char *dir )       { destDir = dir; }
     void setFlags( int fl )                         { flags = fl; }
     void setRuntimeDirectory( const char *dir )     { runtimeDir = dir; }
 
 signals:
     void outputText( const QString &text );
     
 private:
     bool createLinks;
     QString option;
     QString package;
     QString destination;
     QString destDir;
     int flags;
     QString runtimeDir;
 
     QList<QString> *dependantPackages;
     
     int executeIpkgCommand( QString &cmd, const QString option );
+    void removeStatusEntry();
     void linkPackage( const QString &packFileName, const QString &dest, const QString &destDir );
     QStringList* getList( const QString &packageFilename, const QString &destDir );
     void processFileList( const QStringList *fileList, const QString &destDir );
     void processLinkDir( const QString &file, const QString &baseDir, const QString &destDir );
 };
 
 #endif