enable clone for SL5000 and SL5500 - it's not fully working yet due to

Mr. RAM Hog 'mkfs.jffs2' getting SIGTERMed by the OOM :/

2 files changed, 55 insertions, 16 deletions

diff --git a/noncore/settings/backup/backuprestore.cpp b/noncore/settings/backup/backuprestore.cpp
index 869c1b8..d028379 100644
--- a/noncore/settings/backup/backuprestore.cpp
+++ b/noncore/settings/backup/backuprestore.cpp
@@ -267,117 +267,136 @@ void BackupAndRestore::scanForApplicationSettings()
  * The "Backup" button has been pressed.  Get a list of all of the files that
  * should be backed up.  If there are no files, emit and error and exit.
  * Determine the file name to store the backup in.  Backup the file(s) using
  * tar and gzip  --best.  Report failure or success
  */
 void BackupAndRestore::backup()
 {
     if ( cb_type_userdata->isChecked() )
         backupUserData();
     else
         backupRootFs();
 }
 
 
 void BackupAndRestore::backupRootFs()
 {
-//#define MDEBUG
-#ifndef MDEBUG
-    QMessageBox::critical( this, "Opie-Backup", "<qt>This feature is not yet implemented.</qt>", "Bummer!" );
-    return;
-#endif
+    if ( ( ODevice::inst()->model() != Model_Zaurus_SL5000 ) && ( ODevice::inst()->model() != Model_Zaurus_SL5500 ) )
+    {
+        QMessageBox::critical( this, "Not yet implemented!", "<qt>Sorry, support for this model is not yet done.</qt>", "Ok" );
+        return;
+    }
+
+    if ( !QFile::exists( "/usr/bin/mkfs.jffs2" ) && !QFile::exists( "/usr/sbin/mkfs.jffs2" ) )
+    {
+        QMessageBox::critical( this, "Can't find utility!", "<qt>Can't find mkfs.jffs2 - Install mtd-utils.</qt>", "Ok" );
+        return;
+    }
+
     // call 'mount' and parse its output to gather the device on which the root partition is mounted
     FILE* mountp = popen( "mount", "r" );
     QString device;
     QString mountpoint;
     {
         QTextStream mounto( mountp, IO_ReadOnly );
         QString on;
         QString type;
         QString filesystem;
         QString options;
         while ( !mounto.atEnd() )
         {
             mounto >> device >> on >> mountpoint >> type >> filesystem >> options;
             if ( mountpoint == "/" ) break;
         }
-        odebug << device << " is formatted w/ " << filesystem << " and mounted on " << mountpoint << oendl;
+        odebug << device << " is formatted w/ '" << filesystem << "' and mounted on '" << mountpoint << "'" << oendl;
 
-        if ( !mountpoint.startsWith( "/dev/mtdblock" ) )
+        if ( !device.startsWith( "/dev/mtdblock" ) )
         {
-            QMessageBox::critical( this, "Can't backup!", QString( "<qt>unsupported rootfs %1 - needs to be /dev/mtdblockN</qt>").arg( device ), "Ok" );
-#ifndef MDEBUG
+            QMessageBox::critical( this, "Can't backup!", QString( "<qt>unsupported root device '%1' - needs to be /dev/mtdblockN</qt>").arg( device ), "Ok" );
             return;
-#endif
         }
     } // at this point, the QTextStream has been destroy and we can close the FILE*
     pclose( mountp );
 
-#ifndef MDEBUG
+#if 1
     int rootmtd = device.right( 1 ).toInt();
 #else
     int rootmtd = 0;
 #endif
     odebug << "root mtdblock seems to be '" << rootmtd << "'" << oendl;
 
     // scan /proc/mtd to gather the size and erasesize of the root mtdblock
     QFile procmtdf( "/proc/mtd" );
     if ( !procmtdf.open( IO_ReadOnly ) )
     {
         QMessageBox::critical( this, "Can't backup!", "<qt>Can't open /proc/mtd</qt>", "Ok" );
+        return;
     }
 
     QTextStream procmtd( &procmtdf );
     for ( int i = 0; i <= rootmtd; ++i ) procmtd.readLine(); // skip uninteresting things
     QString dev;
     QString size;
     QString erasesize;
     QString devname;
     procmtd >> dev >> size >> erasesize >> devname;
 
     odebug << "device " << dev << " size = " << size << ", erase size = " << erasesize << ", name = " << devname << "\"" << oendl;
 
     // compute pad
     QString pad = "--pad";
     switch ( ODevice::inst()->model() )
     {
         case Model_Zaurus_SL5000: pad = "--pad=14680064"; break;
         case Model_Zaurus_SL5500: pad = "--pad=14680064"; break;
         // FIXME: Add Beagle and SIMpad
     }
 
     // compute eraseblock
     QString eraseblock = "--eraseblock=0x" + erasesize;
 
     // compute output
     QString outputFile = "--output=" + backupLocations[storeToLocation->currentText()];
     QDateTime datetime = QDateTime::currentDateTime();
     QString dateString = QString::number( datetime.date().year() ) + QString::number( datetime.date().month() ).rightJustify(2, '0') +
                          QString::number( datetime.date().day() ).rightJustify(2, '0');
     outputFile += "/initrd.bin-" + dateString;
 
     // call mkfs.jffs2 to create the backup
-    QString cmdline = QString( "mkfs.jffs2 --root=/ %1 --little-endian %2 %3 -n" ).arg( outputFile ).arg( pad ).arg( eraseblock );
+    QString cmdline = QString( "mkfs.jffs2 --faketime --root=/ %1 --little-endian %2 %3 -n" ).arg( outputFile ).arg( pad ).arg( eraseblock );
+    cmdline.append( " --ignore=/tmp --ignore=/mnt --ignore=/var --ignore=/proc" );
     owarn << "Calling '" << cmdline << "'" << oendl;
 
-#ifndef MDEBUG
-    ::system( cmdline );
-#endif
+    OWait *owait = new OWait();
+    Global::statusMessage( tr( "Backing up..." ) );
+    owait->show();
+    qApp->processEvents();
 
-    // FIXME: Add image postprocessing for C7x0 and C8x0, for Beagle, for SIMpad
+    int r = ::system( cmdline );
+
+    owait->hide();
+    delete owait;
+
+    if ( r != 0 )
+    {
+        perror("Error: ");
+        QString errorMsg = QString( tr( "<qt>%1</qt>" ).arg( strerror( errno ) ) );
+        QMessageBox::critical(this, tr( "Backup Failed!" ), errorMsg, QString( tr( "Ok" ) ) );
+    }
 
+    // FIXME: Add image postprocessing for C7x0 and C8x0, for Beagle, for SIMpad
 }
 
 void BackupAndRestore::backupUserData()
 {
     QString backupFiles;
     if(getBackupFiles(backupFiles, NULL) == 0)
     {
         QMessageBox::critical(this, "Message",
                               "No items selected.",QString("Ok") );
         return;
     }
 
     OWait *owait = new OWait();
     Global::statusMessage( tr( "Backing up..." ) );
     owait->show();
     qApp->processEvents();
diff --git a/share/backup/device_table-minimal.txt b/share/backup/device_table-minimal.txt
new file mode 100644
index 0000000..66cafae
--- a/dev/null
+++ b/share/backup/device_table-minimal.txt
@@ -0,0 +1,20 @@
+/dev/initctl	p	600	0	0	-	-	-	-
+/dev/apm_bios	c	660	0	46	10	134	-	-	-
+/dev/fb0	c	600	0	0	29	0	-	-	-
+/dev/hda	b	660	0	6	3	0	-	-	-
+/dev/hda	b	660	0	6	3	1	1	1	20
+/dev/kmem	c	640	0	15	1	2	-	-	-
+/dev/mem	c	640	0	15	1	1	-	-	-
+/dev/null	c	666	0	0	1	3	-	-	-
+/dev/ram	b	640	0	0	1	0	0	1	4
+/dev/tty	c	662	0	5	5	0	-	-	-
+/dev/tty	c	666	0	5	4	0	0	1	9
+/dev/ttyS	c	640	0	5	4	64	0	1	1
+/dev/ttySA	c	640	0	5	204	5	0	1	1
+/dev/zero	c	644	0	0	1	5	-	-
+/dev/mtd	c	660	0	6	90	0	0	2	8
+/dev/mtdblock	b	640	0	0	31	0	0	1	8
+/dev/console	c	662	0	5	5	1	-	-
+/bin/tinylogin	f	4755	0	0	-	-	-	-
+/bin/mount	f	4755	0	0	-	-	-	-
+/bin/umount	f	4755	0	0	-	-	-	-