-rw-r--r-- | core/symlinker/main.cpp | 47 |
1 files changed, 33 insertions, 14 deletions
diff --git a/core/symlinker/main.cpp b/core/symlinker/main.cpp index 73d5166..6a04980 100644 --- a/core/symlinker/main.cpp +++ b/core/symlinker/main.cpp @@ -1,155 +1,174 @@ #include <qapplication.h> #include <qfile.h> #include <qfileinfo.h> #include <qdir.h> #include <qtextstream.h> #include <qstringlist.h> #include <stdlib.h> #include <unistd.h> //symlink() #include <sys/stat.h> // mkdir() #include <sys/vfs.h> #include <mntent.h> +#include <errno.h> static const char *listDir = "/usr/lib/ipkg/externinfo/"; static void createSymlinks( const QString &location, const QString &package ) { + QFile inFile( location + "/usr/lib/ipkg/info/" + package + ".list" ); mkdir( "/usr/lib/ipkg", 0777 ); mkdir( listDir, 0777 ); QFile outFile( listDir + package + ".list"); - //qDebug( "createSymlinks %s -> %s", inFile.name().ascii(), outFile.name().ascii() ); +// qDebug( "createSymlinks %s -> %s", inFile.name().ascii(), outFile.name().ascii() ); if ( inFile.open(IO_ReadOnly) && outFile.open(IO_WriteOnly)) { QTextStream in(&inFile); QTextStream out(&outFile); QString s; while ( !in.eof() ) { // until end of file... s = in.readLine(); // line of text excluding '\n' - //qDebug( "Read: %s", s.ascii() ); +// qDebug( "Read: %s", s.ascii() ); + if (s.find(location,0,true) >= 0){ +// qDebug( "Found!" ); + s = s.replace(location,""); + } +// qDebug( "Read after: %s", s.ascii() ); + // for s, do link/mkdir. if ( s.right(1) == "/" ) { - //qDebug("do mkdir for %s", s.ascii()); +// qDebug("do mkdir for %s", s.ascii()); mkdir( s.ascii(), 0777 ); //possible optimization: symlink directories //that don't exist already. -- Risky. } else { - //qDebug("do symlink for %s", s.ascii()); +// qDebug("do symlink for %s", s.ascii()); QFileInfo ffi( s ); //Don't try to symlink if a regular file exists already if ( !ffi.exists() || ffi.isSymLink() ) { - symlink( (location+s).ascii(), s.ascii() ); + if (symlink( (location+s).ascii(), s.ascii() ) != 0){ + if (errno == ENOENT){ +// perror("Symlink Failed! "); + QString e=s.ascii(); + e = e.replace(ffi.fileName(),""); +// qDebug("DirName : %s",e.ascii() ); + system ( QString("mkdir -p ")+e.ascii() ); + if (symlink( (location+s).ascii(), s.ascii() ) != 0) + qDebug ("Big problem creating symlink and directory"); + } + } // qDebug ( "Created %s" ,s.ascii() ); out << s << "\n"; - } //else { - // qDebug( "%s exists already, not symlinked", s.ascii() ); -// } + } else { + qDebug( "%s exists already, not symlinked", s.ascii() ); + } } } inFile.close(); outFile.close(); } } static void removeSymlinks( const QString &package ) { QFile inFile( listDir + package + ".list" ); if ( inFile.open(IO_ReadOnly) ) { QTextStream in(&inFile); QString s; while ( !in.eof() ) { // until end of file... s = in.readLine(); // line of text excluding '\n' - //qDebug("remove symlink %s", s.ascii()); +// qDebug("remove symlink %s", s.ascii()); QFileInfo ffi( s ); //Confirm that it's still a symlink. - if ( ffi.isSymLink() ) + if ( ffi.isSymLink() ){ unlink( s.ascii() ); -// qDebug ( "Removed %s", s.ascii() ); -// else +// qDebug ( "Removed %s", s.ascii() );} +// else // qDebug( "Not removed %s", s.ascii() ); + } } inFile.close(); inFile.remove(); } } /* Slightly hacky: we can't use StorageInfo, since we don't have a QApplication. We look for filesystems that have the directory /usr/lib/ipkg/info, and assume that they are removable media with packages installed. This is safe even if eg. /usr is on a separate filesystem, since then we would be testing for /usr/usr/lib/ipkg/info, which should not exist. (And if it does they deserve to have it treated as removable.) */ static void updateSymlinks() { QDir lists( listDir ); QStringList knownPackages = lists.entryList( "*.list" ); // No tr struct mntent *me; FILE *mntfp = setmntent( "/etc/mtab", "r" ); if ( mntfp ) { while ( (me = getmntent( mntfp )) != 0 ) { QString root = me->mnt_dir; if ( root == "/" ) continue; QString info = root + "/usr/lib/ipkg/info"; QDir infoDir( info ); - //qDebug( "looking at %s", info.ascii() ); +// qDebug( "looking at %s", info.ascii() ); if ( infoDir.isReadable() ) { const QFileInfoList *packages = infoDir.entryInfoList( "*.list" ); // No tr QFileInfoListIterator it( *packages ); QFileInfo *fi; while (( fi = *it )) { ++it; if ( knownPackages.contains( fi->fileName() ) ) { - //qDebug( "found %s and we've seen it before", fi->fileName().latin1() ); +// qDebug( "found %s and we've seen it before", fi->fileName().latin1() ); knownPackages.remove( fi->fileName() ); } else { //it's a new one createSymlinks( root, fi->baseName() ); } } } } endmntent( mntfp ); } for ( QStringList::Iterator it = knownPackages.begin(); it != knownPackages.end(); ++it ) { // strip ".info" off the end. removeSymlinks( (*it).left((*it).length()-5) ); } } int main( int argc, char *argv[] ) { QApplication a( argc, argv, QApplication::Tty ); QString command = argc > 1 ? argv[1] : "update"; // No tr if ( command == "update" ) // No tr updateSymlinks(); else if ( command == "create" && argc > 3 ) // No tr createSymlinks( argv[2], argv[3] ); |