cherry pick 39a07ec8f2c612a5af234c7713571362f7ca90b4

[apt.git] / apt-pkg / cdrom.cc

diff --git a/apt-pkg/cdrom.cc b/apt-pkg/cdrom.cc
index a9c63fd214386624dfcd75f3b3caa8808f104658..a5668a50af55f8ff7538296ee8157d93323fa3b4 100644 (file)
--- a/apt-pkg/cdrom.cc
+++ b/apt-pkg/cdrom.cc
@@ -58,66 +58,91 @@ bool pkgCdrom::FindPackages(string CD,
       return _error->Errno("chdir","Unable to change to %s",CD.c_str());
 
    // Look for a .disk subdirectory
       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 (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;
 
       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
    */
    /* 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);
    }
    {
       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 */
    /* 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);
       List.push_back(CD);

-      
+

       // Continue down if thorough is given
       if (_config->FindB("APT::CDROM::Thorough",false) == false)
         return true;
       // 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);
       SList.push_back(CD);

-      
+

       // Continue down if thorough is given
       if (_config->FindB("APT::CDROM::Thorough",false) == false)
         return true;
       // 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))
       {
    {
       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);
    }
 
         }
       }
       closedir(D);
    }
 

-   

    D = opendir(".");
    if (D == 0)
       return _error->Errno("opendir","Unable to read %s",CD.c_str());
    D = opendir(".");
    if (D == 0)
       return _error->Errno("opendir","Unable to read %s",CD.c_str());


@@ -244,6 +269,29 @@ bool pkgCdrom::DropBinaryArch(vector<string> &List)
       --I; // the next entry is at the same index after the erase
    }
    
       --I; // the next entry is at the same index after the erase
    }
    

+   return true;
+}
+                                                                       /*}}}*/
+// DropTranslation - Dump unwanted Translation-<lang> files            /*{{{*/
+// ---------------------------------------------------------------------
+/* Here we drop everything that is not configured in Acquire::Languages */
+bool pkgCdrom::DropTranslation(vector<string> &List)
+{
+   for (unsigned int I = 0; I < List.size(); I++)
+   {
+      const char *Start;
+      if ((Start = strstr(List[I].c_str(), "/Translation-")) == NULL)
+        continue;
+      Start += strlen("/Translation-");
+
+      if (APT::Configuration::checkLanguage(Start, true) == true)
+        continue;
+
+      // not accepted -> Erase it
+      List.erase(List.begin() + I);
+      --I; // the next entry is at the same index after the erase
+   }
+

    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/


@@ -252,30 +300,43 @@ 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)
 {
 /* 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()];
    // 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;
    {
       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++)
    {
    // 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
       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
            continue;
         
         // We score the two paths.. and erase one


@@ -301,7 +362,7 @@ bool pkgCdrom::DropRepeats(vector<string> &List,const char *Name)
         List.erase(List.begin()+I);
    }
    
         List.erase(List.begin()+I);
    }
    

-   return true;
+   return couldFindAllFiles;

 }
                                                                        /*}}}*/
 // ReduceSourceList - Takes the path list and reduces it               /*{{{*/
 }
                                                                        /*}}}*/
 // ReduceSourceList - Takes the path list and reduces it               /*{{{*/


@@ -325,6 +386,7 @@ void pkgCdrom::ReduceSourcelist(string CD,vector<string> &List)
 
       string Word1 = string(*I,Space,SSpace-Space);
       string Prefix = string(*I,0,Space);
 
       string Word1 = string(*I,Space,SSpace-Space);
       string Prefix = string(*I,0,Space);

+      string Component = string(*I,SSpace);

       for (vector<string>::iterator J = List.begin(); J != I; ++J)
       {
         // Find a space..
       for (vector<string>::iterator J = List.begin(); J != I; ++J)
       {
         // Find a space..


@@ -339,9 +401,11 @@ void pkgCdrom::ReduceSourcelist(string CD,vector<string> &List)
            continue;
         if (string(*J,Space2,SSpace2-Space2) != Word1)
            continue;
            continue;
         if (string(*J,Space2,SSpace2-Space2) != Word1)
            continue;

-        
-        *J += string(*I,SSpace);
-        *I = string();
+
+        string Component2 = string(*J, SSpace2) + " ";
+        if (Component2.find(Component + " ") == std::string::npos)
+           *J += Component;
+        I->clear();

       }
    }   
 
       }
    }   
 


@@ -371,28 +435,12 @@ bool pkgCdrom::WriteDatabase(Configuration &Cnf)
    
    /* Write out all of the configuration directives by walking the
       configuration tree */
    
    /* Write out all of the configuration directives by walking the
       configuration tree */

-   const Configuration::Item *Top = Cnf.Tree(0);
-   for (; Top != 0;)
-   {
-      // Print the config entry
-      if (Top->Value.empty() == false)
-        Out <<  Top->FullTag() + " \"" << Top->Value << "\";" << endl;
-      
-      if (Top->Child != 0)
-      {
-        Top = Top->Child;
-        continue;
-      }
-      
-      while (Top != 0 && Top->Next == 0)
-        Top = Top->Parent;
-      if (Top != 0)
-        Top = Top->Next;
-   }   
+   Cnf.Dump(Out, NULL, "%f \"%v\";\n", false);

 
    Out.close();
 
    Out.close();

-   
-   link(DFile.c_str(),string(DFile + '~').c_str());
+
+   if (FileExists(DFile) == true)
+      rename(DFile.c_str(), string(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());
    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());


@@ -659,7 +707,8 @@ bool pkgCdrom::Add(pkgCdromStatus *log)                                     /*{{{*/
       return false;
    }
 
       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)
    {
 
    if (_config->FindB("Debug::aptcdrom",false) == true)
    {


@@ -680,8 +729,16 @@ bool pkgCdrom::Add(pkgCdromStatus *log)                                    /*{{{*/
    DropBinaryArch(List);
    DropRepeats(List,"Packages");
    DropRepeats(SourceList,"Sources");
    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,"Release.gpg");

+   DropRepeats(SigList,"InRelease");
+   _error->RevertToStack();

    DropRepeats(TransList,"");
    DropRepeats(TransList,"");

+   if (_config->FindB("APT::CDROM::DropTranslation", true) == true)
+      DropTranslation(TransList);

    if(log != NULL) {
       msg.str("");
       ioprintf(msg, _("Found %zu package indexes, %zu source indexes, "
    if(log != NULL) {
       msg.str("");
       ioprintf(msg, _("Found %zu package indexes, %zu source indexes, "


@@ -772,6 +829,14 @@ bool pkgCdrom::Add(pkgCdromStatus *log)                                    /*{{{*/
       log->Update(msg.str());
       log->Update(_("Copying package lists..."), STEP_COPY);
    }
       log->Update(msg.str());
       log->Update(_("Copying package lists..."), STEP_COPY);
    }

+
+   // check for existence and possibly create state directory for copying
+   string const listDir = _config->FindDir("Dir::State::lists");
+   string const partialListDir = listDir + "partial/";
+   if (CreateAPTDirectoryIfNeeded(_config->FindDir("Dir::State"), partialListDir) == false &&
+       CreateAPTDirectoryIfNeeded(listDir, partialListDir) == false)
+      return _error->Errno("cdrom", _("List directory %spartial is missing."), listDir.c_str());
+

    // take care of the signatures and copy them if they are ok
    // (we do this before PackageCopy as it modifies "List" and "SourceList")
    SigVerify SignVerify;
    // take care of the signatures and copy them if they are ok
    // (we do this before PackageCopy as it modifies "List" and "SourceList")
    SigVerify SignVerify;