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
@@ -51,36 +51,40 @@ Ipkg :: ~Ipkg()
 // 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.
@@ -143,39 +147,113 @@ bool Ipkg :: runIpkg( )
             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 );
     }
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
@@ -50,23 +50,24 @@ public:
 
 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