Applied patch from Cwiiis to fix linking of apps to root when installed elsewhere

2 files changed, 91 insertions, 3 deletions

diff --git a/noncore/settings/aqpkg/ipkg.cpp b/noncore/settings/aqpkg/ipkg.cpp
index 420863c..17efda9 100644
--- a/noncore/settings/aqpkg/ipkg.cpp
+++ b/noncore/settings/aqpkg/ipkg.cpp
@@ -1,521 +1,606 @@
 /*
                              This file is part of the OPIE Project
 
                =.            Copyright (c)  2002 Andy Qua <andy.qua@blueyonder.co.uk>
              .=l.                                Dan Williams <drw@handhelds.org>
            .>+-=
  _;:,     .>    :=|.         This file is free software; you can
 .> <`_,   >  .   <=          redistribute it and/or modify it under
 :`=1 )Y*s>-.--   :           the terms of the GNU General Public
 .="- .-=="i,     .._         License as published by the Free Software
  - .   .-<_>     .<>         Foundation; either version 2 of the License,
      ._= =}       :          or (at your option) any later version.
     .%`+i>       _;_.
     .i_,=:_.      -<s.       This file is distributed in the hope that
      +  .  -:.       =       it will be useful, but WITHOUT ANY WARRANTY;
     : ..    .:,     . . .    without even the implied warranty of
     =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
   _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU General
 ..}^=.=       =       ;      Public License for more details.
 ++=   -.     .`     .:
  :     =  ...= . :.=-        You should have received a copy of the GNU
  -.   .:....=;==+<;          General Public License along with this file;
   -_. . .   )=.  =           see the file COPYING. If not, write to the
     --        :-=`           Free Software Foundation, Inc.,
                              59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 
 */
 
 #include <opie2/oprocess.h>
 
 #ifdef QWS
 #include <qpe/qpeapplication.h>
 #else
 #include <qapplication.h>
 #endif
 #include <qdir.h>
 #include <qfile.h>
 #include <qtextstream.h>
 
 #include "utils.h"
 #include "ipkg.h"
 #include "global.h"
 
 using namespace Opie::Core;
 Ipkg :: Ipkg()
 {
     proc = 0;
 }
 
 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 "")
 void Ipkg :: runIpkg()
 {
     error = false;
     QStringList commands;
 
     QDir::setCurrent( "/tmp" );
 
     if ( runtimeDir != "" )
     {
         commands << "cd ";
         commands << runtimeDir;
         commands << ";";
     }
     commands << "ipkg" << "-V" << QString::number( infoLevel ) << "-force-defaults";
 
     // only set the destination for an install operation
     if ( option == "install" )
         commands << "-dest" << destination;
 
 
     if ( option != "update" && option != "download" )
     {
         if ( flags & FORCE_DEPENDS )
             commands << "-force-depends";
         if ( flags & FORCE_REINSTALL  )
             commands << "-force-reinstall";
         if ( flags & FORCE_REMOVE )
             commands << "-force-removal-of-essential-packages";
         if ( flags & FORCE_OVERWRITE )
             commands << "-force-overwrite";
         if ( infoLevel == 3 )
             commands << "-verbose_wget";
 
         // 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
     commands << "-f";
     commands << IPKG_CONF;
 #endif
 
 
     if ( option == "reinstall" )
         commands << "install";
     else
         commands << option;
     if ( package != "" )
         commands << package;
 
 
     if ( package != "" )
         emit outputText( tr( "Dealing with package %1" ).arg( package) );
 
     qApp->processEvents();
 
     // If we are removing, reinstalling or upgrading packages and make links option is selected
     // create the links
     if ( option == "remove" || option == "reinstall" || option == "upgrade" )
     {
         createLinks = false;
         if ( flags & MAKE_LINKS )
         {
             emit outputText( tr( "Removing symbolic links...\n" ) );
             linkPackage( Utils::getPackageNameFromIpkFilename( package ), destination, destDir );
             emit outputText( QString( " " ) );
         }
     }
 
     // Execute command
     dependantPackages = new QList<QString>;
     dependantPackages->setAutoDelete( true );
 
     executeIpkgCommand( commands, option );
-
 }
 
 void Ipkg :: createSymLinks()
 {
     if ( option == "install" || option == "reinstall" || option == "upgrade" )
     {
         // 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( tr( "Creating symbolic links for %1." ).arg( 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( tr( "Creating symbolic links for %1" ).arg( *pkg ) );
                 linkPackage( Utils::getPackageNameFromIpkFilename( *pkg ), destination, destDir );
             }
         }
     }
 
     delete dependantPackages;
 
     emit outputText( tr("Finished") );
     emit outputText( "" );
 }
 
 void Ipkg :: removeStatusEntry()
 {
     QString statusFile = destDir;
     if ( statusFile.right( 1 ) != "/" )
         statusFile.append( "/" );
     statusFile.append( "usr/lib/ipkg/status" );
     QString outStatusFile = statusFile;
     outStatusFile.append( ".tmp" );
 
     emit outputText( "" );
     emit outputText( tr("Removing status entry...") );
     QString tempstr = tr("status file - ");
     tempstr.append( statusFile );
     emit outputText( tempstr );
     tempstr = tr("package - ");
     tempstr.append( package );
     emit outputText( tempstr );
 
     QFile readFile( statusFile );
     QFile writeFile( outStatusFile );
 
     if ( !readFile.open( IO_ReadOnly ) )
     {
         tempstr = tr("Couldn't open status file - ");
         tempstr.append( statusFile );
         emit outputText( tempstr );
         return;
     }
 
     if ( !writeFile.open( IO_WriteOnly ) )
     {
         tempstr = tr("Couldn't create tempory status file - ");
         tempstr.append( outStatusFile );
         emit outputText( tempstr );
         return;
     }
 
     int i = 0;
 
     QTextStream readStream( &readFile );
     QTextStream writeStream( &writeFile );
     QString line;
 
     char k[21];
     char v[1001];
     QString key;
     QString value;
 
     while ( !readStream.atEnd() )
     {
         //read new line
         line = readStream.readLine();
 
         if ( line.contains( ":", TRUE ) )
         {
             //grep key and value from line
             k[0] = '\0';
             v[0] = '\0';
             sscanf( line, "%[^:]: %[^\n]", k, v );
             key = k;
             value = v;
             key = key.stripWhiteSpace();
             value = value.stripWhiteSpace();
         } else {
             key = "";
             value = "";
         }
 
         if ( key == "Package" && value == package )
         {
             //skip lines from the deleted package
             while ( ( !readStream.atEnd() ) && ( line.stripWhiteSpace() != "" ) )
             {
                 line = readStream.readLine();
             }
         } else {
 
             //write other lines into the tempfile
             writeStream << line << "\n";
 
             // Improve UI responsiveness
             i++;
             if ( ( i % 50 ) == 0 )
                 qApp->processEvents();
         }
     }
 
     readFile.close();
     writeFile.close();
 
     // Remove old status file and put tmp stats file in its place
     remove( statusFile );
     rename( outStatusFile, statusFile );
  }
 
+int Ipkg :: executeIpkgLinkCommand( QStringList *cmd )
+{
+    // If one is already running - should never be but just to be safe
+    if ( proc )
+    {
+        delete proc;
+        proc = 0;
+    }
+
+    // OK we're gonna use OProcess to run this thing
+    proc = new OProcess();
+    aborted = false;
+
+    // Connect up our slots
+    connect(proc, SIGNAL(processExited(Opie::Core::OProcess*)),
+            this, SLOT( linkProcessFinished()));
+    connect(proc, SIGNAL(receivedStdout(Opie::Core::OProcess*,char*,int)),
+            this, SLOT(linkCommandStdout(Opie::Core::OProcess*,char*,int)));
+
+     *proc << *cmd;
+
+    if(!proc->start(OProcess::NotifyOnExit, OProcess::All))
+    {
+        emit outputText( tr("Couldn't start ipkg-link process" ) );
+    }
+}
+
+void Ipkg::linkProcessFinished()
+{
+    // Report that the link process succeeded/failed
+
+    if ( error )
+        emit outputText( tr("Symbolic linking failed!\n") );
+    else
+        emit outputText( tr("Symbolic linking succeeded.\n") );
+
+    delete proc;
+    proc = 0;
+    finished = true;
+}
+
+void Ipkg::linkCommandStdout(OProcess*, char *buffer, int buflen)
+{
+    QString lineStr = buffer;
+    if ( lineStr[buflen-1] == '\n' )
+        buflen --;
+    lineStr = lineStr.left( buflen );
+    emit outputText( lineStr );
+
+    if ( lineStr.find( " not found." ) != -1 )
+    {
+        // Capture ipkg-link errors
+        error = true;
+    }
+
+    buffer[0] = '\0';
+}
+
 int Ipkg :: executeIpkgCommand( QStringList &cmd, const QString /*option*/ )
 {
     // If one is already running - should never be but just to be safe
     if ( proc )
     {
         delete proc;
         proc = 0;
     }
 
     // OK we're gonna use OProcess to run this thing
     proc = new OProcess();
     aborted = false;
 
 
     // Connect up our slots
     connect(proc, SIGNAL(processExited(Opie::Core::OProcess*)),
             this, SLOT( processFinished()));
 
     connect(proc, SIGNAL(receivedStdout(Opie::Core::OProcess*,char*,int)),
             this, SLOT(commandStdout(Opie::Core::OProcess*,char*,int)));
 
     connect(proc, SIGNAL(receivedStderr(Opie::Core::OProcess*,char*,int)),
             this, SLOT(commandStderr(Opie::Core::OProcess*,char*,int)));
 
     for ( QStringList::Iterator it = cmd.begin(); it != cmd.end(); ++it )
     {
          *proc << (*it).latin1();
     }
 
     // Start the process going
     finished = false;
     if(!proc->start(OProcess::NotifyOnExit, OProcess::All))
     {
         emit outputText( tr("Couldn't start ipkg process" ) );
     }
 }
 
 void Ipkg::commandStdout(OProcess*, char *buffer, int buflen)
 {
     QString lineStr = buffer;
     if ( lineStr[buflen-1] == '\n' )
         buflen --;
     lineStr = lineStr.left( buflen );
     emit outputText( lineStr );
 
     // check if we are installing dependant packages
     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 );
         }
     }
     else if ( option == "remove" && !( flags & FORCE_DEPENDS ) &&
               lineStr.find( "is depended upon by packages:" ) != -1 )
     {
         // Ipkg should send this to STDERR, but doesn't - so trap here
         error = true;
     }
 
     buffer[0] = '\0';
 }
 
 void Ipkg::commandStderr(OProcess*, char *buffer, int buflen)
 {
     QString lineStr = buffer;
     if ( lineStr[buflen-1] == '\n' )
         buflen --;
     lineStr=lineStr.left( buflen );
     emit outputText( lineStr );
     buffer[0] = '\0';
     error = true;
 }
 
 void Ipkg::processFinished()
 {
     // 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 ( !error && option == "remove" )
         removeStatusEntry();
 
     delete proc;
     proc = 0;
     finished = true;
 
     emit ipkgFinished();
 }
 
 
 void Ipkg :: abort()
 {
     if ( proc )
     {
         proc->kill();
         aborted = true;
     }
 }
 
 void Ipkg :: linkPackage( const QString &packFileName, const QString &dest, const QString &destDir )
 {
     if ( dest == "root" || dest == "/" )
         return;
 
+    if( option == "remove" || option == "reinstall" || option == "upgrade" )
+    {
+        QStringList commands;
+
+        if ( runtimeDir != "" )
+        {
+            commands << "cd ";
+            commands << runtimeDir;
+            commands << ";";
+        }
+        commands << "ipkg-link" << "remove" << packFileName;
+        executeIpkgLinkCommand( &commands );
+    }
+
+    if( option == "install" || option == "reinstall" || option == "upgrade" )
+    {
+        QStringList commands;
+        if ( runtimeDir != "" )
+        {
+            commands << "cd ";
+            commands << runtimeDir;
+            commands << ";";
+        }
+        commands << "ipkg-link" << "add" << packFileName;
+        executeIpkgLinkCommand( &commands );
+    }
+/*
     qApp->processEvents();
     QStringList *fileList = getList( packFileName, destDir );
     qApp->processEvents();
     processFileList( fileList, destDir );
-    delete fileList;
+    delete fileList;*/
 }
-
+/*
 QStringList* Ipkg :: getList( const QString &packageFilename, const QString &destDir )
 {
     QString packageFileDir = destDir;
     packageFileDir.append( "/usr/lib/ipkg/info/" );
     packageFileDir.append( packageFilename );
     packageFileDir.append( ".list" );
     QFile f( packageFileDir );
 
     if ( !f.open(IO_ReadOnly) )
     {
         // Couldn't open from dest, try from /
         f.close();
 
         packageFileDir = "/usr/lib/ipkg/info/";
         packageFileDir.append( packageFilename );
         packageFileDir.append( ".list" );
         f.setName( packageFileDir );
         if ( ! f.open(IO_ReadOnly) )
         {
             QString tempstr = tr("Could not open :");
             tempstr.append( packageFileDir );
             emit outputText( tempstr );
             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;
     sourceFile.append( file );
 
     QString linkFile = destDir;
     if ( file.startsWith( "/" ) && destDir.right( 1 ) == "/" )
     {
         linkFile.append( file.mid( 1 ) );
     }
     else
     {
         linkFile.append( 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() )
             {
                 QString tempstr = tr("Creating directory ");
                 tempstr.append( linkFile );
                 emit outputText( tempstr );
                 QDir d;
                 d.mkdir( linkFile, true );
             }
 //            else
 //                emit outputText( QString( "Directory " ) + linkFile + " already exists" );
 
         }
         else
         {
             int rc = symlink( sourceFile, linkFile );
             text = ( rc == 0 ? tr( "Linked %1 to %2" ) : tr( "Failed to link %1 to %2" ) ).
                     arg( sourceFile ).
                     arg( linkFile );
             emit outputText( text );
         }
     }
     else
     {
         QFileInfo f( linkFile );
         if ( f.exists() )
         {
             if ( f.isFile() )
             {
                 QFile f( linkFile );
                 bool rc = f.remove();
 
                 text = ( rc ? tr( "Removed %1" ) : tr( "Failed to remove %1" ) ).arg( linkFile );
                 emit outputText( text );
             }
             else if ( f.isDir() )
             {
                 QDir d;
                 bool rc = d.rmdir( linkFile, true );
                 if ( rc )
                 {
                     text = ( rc ? tr( "Removed " ) : tr( "Failed to remove " ) ).arg( linkFile );
                     emit outputText( text );
                 }
             }
         }
     }
 }
+*/
diff --git a/noncore/settings/aqpkg/ipkg.h b/noncore/settings/aqpkg/ipkg.h
index e216d17..5df63f1 100644
--- a/noncore/settings/aqpkg/ipkg.h
+++ b/noncore/settings/aqpkg/ipkg.h
@@ -1,104 +1,107 @@
 /*
                              This file is part of the OPIE Project
 
                =.            Copyright (c)  2002 Andy Qua <andy.qua@blueyonder.co.uk>
              .=l.                                Dan Williams <drw@handhelds.org>
            .>+-=
  _;:,     .>    :=|.         This file is free software; you can
 .> <`_,   >  .   <=          redistribute it and/or modify it under
 :`=1 )Y*s>-.--   :           the terms of the GNU General Public
 .="- .-=="i,     .._         License as published by the Free Software
  - .   .-<_>     .<>         Foundation; either version 2 of the License,
      ._= =}       :          or (at your option) any later version.
     .%`+i>       _;_.
     .i_,=:_.      -<s.       This file is distributed in the hope that
      +  .  -:.       =       it will be useful, but WITHOUT ANY WARRANTY;
     : ..    .:,     . . .    without even the implied warranty of
     =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
   _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU General
 ..}^=.=       =       ;      Public License for more details.
 ++=   -.     .`     .:
  :     =  ...= . :.=-        You should have received a copy of the GNU
  -.   .:....=;==+<;          General Public License along with this file;
   -_. . .   )=.  =           see the file COPYING. If not, write to the
     --        :-=`           Free Software Foundation, Inc.,
                              59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 
 */
 
 #ifndef IPKG_H
 #define IPKG_H
 
 
 /**
   *@author Andy Qua
   */
 
 #include <qobject.h>
 #include <qstring.h>
 #include <qstringlist.h>
 #include <qlist.h>
 
 #define FORCE_DEPENDS                           0x0001
 #define FORCE_REMOVE                            0x0002
 #define FORCE_REINSTALL                         0x0004
 #define FORCE_OVERWRITE                         0x0008
 #define MAKE_LINKS                              0x0010
 #define VERBOSE_WGET                            0x0020
 
 namespace Opie {namespace Core {class OProcess;}}
 
 class Ipkg : public QObject
 {
     Q_OBJECT
 public:
     Ipkg();
     ~Ipkg();
     void runIpkg();
     void createSymLinks();
 
     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, int il )                 { flags = fl; infoLevel = il; }
     void setRuntimeDirectory( const char *dir )     { runtimeDir = dir; }
 
 signals:
     void outputText( const QString &text );
     void ipkgFinished();
 
 public slots:
+    void linkCommandStdout(Opie::Core::OProcess*, char *buffer, int buflen);
     void commandStdout(Opie::Core::OProcess*, char *buffer, int buflen);
     void commandStderr(Opie::Core::OProcess*, char *buffer, int buflen);
+    void linkProcessFinished();
     void processFinished();
     void abort();
 
 
 private:
     bool createLinks;
     bool aborted;
     bool error;
     QString option;
     QString package;
     QString destination;
     QString destDir;
     QString runtimeDir;
     Opie::Core::OProcess *proc;
     int flags;
     int infoLevel;
     bool finished;
 
     QList<QString> *dependantPackages;
 
+    int executeIpkgLinkCommand( QStringList *cmd );
     int executeIpkgCommand( QStringList &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