merge from the expermental2 branch

1 files changed, 87 insertions, 46 deletions

diff --git a/apt-pkg/cdrom.cc b/apt-pkg/cdrom.cc
index b8acf0cbe..50c204371 100644
--- a/apt-pkg/cdrom.cc
+++ b/apt-pkg/cdrom.cc
@@ -1,5 +1,6 @@
 /*
  */
+#include<config.h>
 
 #include<apt-pkg/init.h>
 #include<apt-pkg/error.h>
@@ -7,11 +8,11 @@
 #include<apt-pkg/strutl.h>
 #include<apt-pkg/cdrom.h>
 #include<apt-pkg/aptconfiguration.h>
+#include<apt-pkg/configuration.h>
+#include<apt-pkg/fileutl.h>
 
 #include<sstream>
 #include<fstream>
-#include<config.h>
-#include<apti18n.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <dirent.h>
@@ -22,6 +23,8 @@
 
 #include "indexcopy.h"
 
+#include<apti18n.h>
+
 using namespace std;
 
 // FindPackages - Find the package files on the CDROM			/*{{{*/
@@ -55,66 +58,91 @@ bool pkgCdrom::FindPackages(string CD,
       return _error->Errno("chdir","Unable to change to %s",CD.c_str());
 
    // Look for a .disk subdirectory
-   struct stat Buf;
-   if (stat(".disk",&Buf) == 0)
+   if (DirectoryExists(".disk") == true)
    {
       if (InfoDir.empty() == true)
 	 InfoDir = CD + ".disk/";
    }
 
    // Don't look into directories that have been marked to ingore.
-   if (stat(".aptignr",&Buf) == 0)
+   if (RealFileExists(".aptignr") == true)
       return true;
 
-
    /* Check _first_ for a signature file as apt-cdrom assumes that all files
       under a Packages/Source file are in control of that file and stops 
       the scanning
    */
-   if (stat("Release.gpg",&Buf) == 0)
+   if (RealFileExists("Release.gpg") == true || RealFileExists("InRelease") == true)
    {
       SigList.push_back(CD);
    }
+
    /* Aha! We found some package files. We assume that everything under 
       this dir is controlled by those package files so we don't look down
       anymore */
-   if (stat("Packages",&Buf) == 0 || stat("Packages.gz",&Buf) == 0)
+   std::vector<APT::Configuration::Compressor> const compressor = APT::Configuration::getCompressors();
+   for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
+	c != compressor.end(); ++c)
    {
+      if (RealFileExists(std::string("Packages").append(c->Extension).c_str()) == false)
+	 continue;
+
+      if (_config->FindB("Debug::aptcdrom",false) == true)
+	 std::clog << "Found Packages in " << CD << std::endl;
       List.push_back(CD);
-      
+
       // Continue down if thorough is given
       if (_config->FindB("APT::CDROM::Thorough",false) == false)
 	 return true;
+      break;
    }
-   if (stat("Sources.gz",&Buf) == 0 || stat("Sources",&Buf) == 0)
+   for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
+	c != compressor.end(); ++c)
    {
+      if (RealFileExists(std::string("Sources").append(c->Extension).c_str()) == false)
+	 continue;
+
+      if (_config->FindB("Debug::aptcdrom",false) == true)
+	 std::clog << "Found Sources in " << CD << std::endl;
       SList.push_back(CD);
-      
+
       // Continue down if thorough is given
       if (_config->FindB("APT::CDROM::Thorough",false) == false)
 	 return true;
+      break;
    }
 
-   // see if we find translatin indexes
-   if (stat("i18n",&Buf) == 0)
+   // see if we find translation indices
+   if (DirectoryExists("i18n") == true)
    {
       D = opendir("i18n");
       for (struct dirent *Dir = readdir(D); Dir != 0; Dir = readdir(D))
       {
-	 if(strstr(Dir->d_name,"Translation") != NULL) 
+	 if(strncmp(Dir->d_name, "Translation-", strlen("Translation-")) != 0)
+	    continue;
+	 string file = Dir->d_name;
+	 for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
+	      c != compressor.end(); ++c)
 	 {
-	    if (_config->FindB("Debug::aptcdrom",false) == true)
-	       std::clog << "found translations: " << Dir->d_name << "\n";
-	    string file = Dir->d_name;
-	    if(file.substr(file.size()-3,file.size()) == ".gz")
-	       file = file.substr(0,file.size()-3);
-	    TransList.push_back(CD+"i18n/"+ file);
+	    string fileext = flExtension(file);
+	    if (file == fileext)
+	       fileext.clear();
+	    else if (fileext.empty() == false)
+	       fileext = "." + fileext;
+
+	    if (c->Extension == fileext)
+	    {
+	       if (_config->FindB("Debug::aptcdrom",false) == true)
+		  std::clog << "Found translation " << Dir->d_name << " in " << CD << "i18n/" << std::endl;
+	       file.erase(file.size() - fileext.size());
+	       TransList.push_back(CD + "i18n/" + file);
+	       break;
+	    }
 	 }
       }
       closedir(D);
    }
 
-   
    D = opendir(".");
    if (D == 0)
       return _error->Errno("opendir","Unable to read %s",CD.c_str());
@@ -249,30 +277,43 @@ bool pkgCdrom::DropBinaryArch(vector<string> &List)
 /* Here we go and stat every file that we found and strip dup inodes. */
 bool pkgCdrom::DropRepeats(vector<string> &List,const char *Name)
 {
+   bool couldFindAllFiles = true;
    // Get a list of all the inodes
    ino_t *Inodes = new ino_t[List.size()];
-   for (unsigned int I = 0; I != List.size(); I++)
+   for (unsigned int I = 0; I != List.size(); ++I)
    {
       struct stat Buf;
-      if (stat((List[I] + Name).c_str(),&Buf) != 0 &&
-	  stat((List[I] + Name + ".gz").c_str(),&Buf) != 0)
-	 _error->Errno("stat","Failed to stat %s%s",List[I].c_str(),
-		       Name);
-      Inodes[I] = Buf.st_ino;
-   }
-   
-   if (_error->PendingError() == true) {
-      delete[] Inodes;
-      return false;
+      bool found = false;
+
+      std::vector<APT::Configuration::Compressor> const compressor = APT::Configuration::getCompressors();
+      for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressor.begin();
+	   c != compressor.end(); ++c)
+      {
+	 std::string filename = std::string(List[I]).append(Name).append(c->Extension);
+         if (stat(filename.c_str(), &Buf) != 0)
+	    continue;
+	 Inodes[I] = Buf.st_ino;
+	 found = true;
+	 break;
+      }
+
+      if (found == false)
+      {
+	 _error->Errno("stat","Failed to stat %s%s",List[I].c_str(), Name);
+	 couldFindAllFiles = false;
+	 Inodes[I] = 0;
+      }
    }
-   
+
    // Look for dups
    for (unsigned int I = 0; I != List.size(); I++)
    {
+      if (Inodes[I] == 0)
+	 continue;
       for (unsigned int J = I+1; J < List.size(); J++)
       {
 	 // No match
-	 if (Inodes[J] != Inodes[I])
+	 if (Inodes[J] == 0 || Inodes[J] != Inodes[I])
 	    continue;
 	 
 	 // We score the two paths.. and erase one
@@ -298,7 +339,7 @@ bool pkgCdrom::DropRepeats(vector<string> &List,const char *Name)
 	 List.erase(List.begin()+I);
    }
    
-   return true;
+   return couldFindAllFiles;
 }
 									/*}}}*/
 // ReduceSourceList - Takes the path list and reduces it		/*{{{*/
@@ -389,7 +430,8 @@ bool pkgCdrom::WriteDatabase(Configuration &Cnf)
 
    Out.close();
    
-   link(DFile.c_str(),string(DFile + '~').c_str());
+   if (FileExists(DFile) == true && link(DFile.c_str(),string(DFile + '~').c_str()) != 0)
+      return _error->Errno("link", "Failed to link %s to %s~", DFile.c_str(), DFile.c_str());
    if (rename(NewFile.c_str(),DFile.c_str()) != 0)
       return _error->Errno("rename","Failed to rename %s.new to %s",
 			   DFile.c_str(),DFile.c_str());
@@ -656,7 +698,8 @@ bool pkgCdrom::Add(pkgCdromStatus *log)					/*{{{*/
       return false;
    }
 
-   chdir(StartDir.c_str());
+   if (chdir(StartDir.c_str()) != 0)
+      return _error->Errno("chdir","Unable to change to %s", StartDir.c_str());
 
    if (_config->FindB("Debug::aptcdrom",false) == true)
    {
@@ -677,7 +720,13 @@ bool pkgCdrom::Add(pkgCdromStatus *log)					/*{{{*/
    DropBinaryArch(List);
    DropRepeats(List,"Packages");
    DropRepeats(SourceList,"Sources");
+   // FIXME: We ignore stat() errors here as we usually have only one of those in use
+   // This has little potencial to drop 'valid' stat() errors as we know that one of these
+   // files need to exist, but it would be better if we would check it here
+   _error->PushToStack();
    DropRepeats(SigList,"Release.gpg");
+   DropRepeats(SigList,"InRelease");
+   _error->RevertToStack();
    DropRepeats(TransList,"");
    if(log != NULL) {
       msg.str("");
@@ -874,9 +923,7 @@ pkgUdevCdromDevices::Dlopen()                     		        /*{{{*/
    libudev_handle = h;
    udev_new = (udev* (*)(void)) dlsym(h, "udev_new");
    udev_enumerate_add_match_property = (int (*)(udev_enumerate*, const char*, const char*))dlsym(h, "udev_enumerate_add_match_property");
-#if 0 // FIXME: uncomment on next ABI break
    udev_enumerate_add_match_sysattr = (int (*)(udev_enumerate*, const char*, const char*))dlsym(h, "udev_enumerate_add_match_sysattr");
-#endif
    udev_enumerate_scan_devices = (int (*)(udev_enumerate*))dlsym(h, "udev_enumerate_scan_devices");
    udev_enumerate_get_list_entry = (udev_list_entry* (*)(udev_enumerate*))dlsym(h, "udev_enumerate_get_list_entry");
    udev_device_new_from_syspath = (udev_device* (*)(udev*, const char*))dlsym(h, "udev_device_new_from_syspath");
@@ -890,10 +937,8 @@ pkgUdevCdromDevices::Dlopen()                     		        /*{{{*/
    return true;
 }
 									/*}}}*/
-
                                                                         /*{{{*/
-// compatiblity only with the old API/ABI, can be removed on the next
-// ABI break
+// convenience interface, this will just call ScanForRemovable
 vector<CdromDevice>
 pkgUdevCdromDevices::Scan()
 { 
@@ -918,10 +963,6 @@ pkgUdevCdromDevices::ScanForRemovable(bool CdromOnly)
    if (CdromOnly)
       udev_enumerate_add_match_property(enumerate, "ID_CDROM", "1");
    else {
-#if 1 // FIXME: remove the next two lines on the next ABI break
-      int (*udev_enumerate_add_match_sysattr)(struct udev_enumerate *udev_enumerate, const char *property, const char *value);
-      udev_enumerate_add_match_sysattr = (int (*)(udev_enumerate*, const char*, const char*))dlsym(libudev_handle, "udev_enumerate_add_match_sysattr");
-#endif
       udev_enumerate_add_match_sysattr(enumerate, "removable", "1");
    }