implement generic config fallback for methods

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

diff --git a/apt-pkg/sourcelist.cc b/apt-pkg/sourcelist.cc
index 3e714667c63d07814594db9ff1dc463f3412ef44..00053958275cb7d5c5042da4e59604ccc0b13935 100644 (file)
--- a/apt-pkg/sourcelist.cc
+++ b/apt-pkg/sourcelist.cc
@@ -11,6 +11,7 @@
 #include<config.h>
 
 #include <apt-pkg/sourcelist.h>
 #include<config.h>
 
 #include <apt-pkg/sourcelist.h>

+#include <apt-pkg/cmndline.h>

 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/strutl.h>


@@ -20,6 +21,8 @@
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/pkgcache.h>
 #include <apt-pkg/cacheiterators.h>
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/pkgcache.h>
 #include <apt-pkg/cacheiterators.h>

+#include <apt-pkg/debindexfile.h>
+#include <apt-pkg/debsrcrecords.h>

 
 #include <ctype.h>
 #include <stddef.h>
 
 #include <ctype.h>
 #include <stddef.h>


@@ -96,8 +99,8 @@ bool pkgSourceList::Type::ParseStanza(vector<metaIndex *> &List,      /*{{{*/
    std::map<char const * const, std::pair<char const * const, bool> > mapping;
 #define APT_PLUSMINUS(X, Y) \
    mapping.insert(std::make_pair(X, std::make_pair(Y, true))); \
    std::map<char const * const, std::pair<char const * const, bool> > mapping;
 #define APT_PLUSMINUS(X, Y) \
    mapping.insert(std::make_pair(X, std::make_pair(Y, true))); \

-   mapping.insert(std::make_pair(X "Add", std::make_pair(Y "+", true))); \
-   mapping.insert(std::make_pair(X "Remove", std::make_pair(Y "-", true)))
+   mapping.insert(std::make_pair(X "-Add", std::make_pair(Y "+", true))); \
+   mapping.insert(std::make_pair(X "-Remove", std::make_pair(Y "-", true)))

    APT_PLUSMINUS("Architectures", "arch");
    APT_PLUSMINUS("Languages", "lang");
    APT_PLUSMINUS("Targets", "target");
    APT_PLUSMINUS("Architectures", "arch");
    APT_PLUSMINUS("Languages", "lang");
    APT_PLUSMINUS("Targets", "target");


@@ -107,6 +110,8 @@ bool pkgSourceList::Type::ParseStanza(vector<metaIndex *> &List,    /*{{{*/
    mapping.insert(std::make_pair("Valid-Until-Min", std::make_pair("valid-until-min", false)));
    mapping.insert(std::make_pair("Valid-Until-Max", std::make_pair("valid-until-max", false)));
    mapping.insert(std::make_pair("Signed-By", std::make_pair("signed-by", false)));
    mapping.insert(std::make_pair("Valid-Until-Min", std::make_pair("valid-until-min", false)));
    mapping.insert(std::make_pair("Valid-Until-Max", std::make_pair("valid-until-max", false)));
    mapping.insert(std::make_pair("Signed-By", std::make_pair("signed-by", false)));

+   mapping.insert(std::make_pair("PDiffs", std::make_pair("pdiffs", false)));
+   mapping.insert(std::make_pair("By-Hash", std::make_pair("by-hash", false)));

 
    for (std::map<char const * const, std::pair<char const * const, bool> >::const_iterator m = mapping.begin(); m != mapping.end(); ++m)
       if (Tags.Exists(m->first))
 
    for (std::map<char const * const, std::pair<char const * const, bool> >::const_iterator m = mapping.begin(); m != mapping.end(); ++m)
       if (Tags.Exists(m->first))


@@ -118,6 +123,12 @@ bool pkgSourceList::Type::ParseStanza(vector<metaIndex *> &List,   /*{{{*/
         Options[m->second.first] = option;
       }
 
         Options[m->second.first] = option;
       }
 

+   {
+      std::string entry;
+      strprintf(entry, "%s:%i", Fd.Name().c_str(), i);
+      Options["sourceslist-entry"] = entry;
+   }
+

    // now create one item per suite/section
    string Suite = Tags.FindS("Suites");
    Suite = SubstVar(Suite,"$(ARCH)",_config->Find("APT::Architecture"));
    // now create one item per suite/section
    string Suite = Tags.FindS("Suites");
    Suite = SubstVar(Suite,"$(ARCH)",_config->Find("APT::Architecture"));


@@ -185,6 +196,11 @@ bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List,
    // Parse option field if it exists
    // e.g.: [ option1=value1 option2=value2 ]
    map<string, string> Options;
    // Parse option field if it exists
    // e.g.: [ option1=value1 option2=value2 ]
    map<string, string> Options;

+   {
+      std::string entry;
+      strprintf(entry, "%s:%i", File.c_str(), CurLine);
+      Options["sourceslist-entry"] = entry;
+   }

    if (Buffer != 0 && Buffer[0] == '[')
    {
       ++Buffer; // ignore the [
    if (Buffer != 0 && Buffer[0] == '[')
    {
       ++Buffer; // ignore the [


@@ -296,18 +312,19 @@ bool pkgSourceList::ReadMainList()
    Reset();
    // CNC:2003-11-28 - Entries in sources.list have priority over
    //                  entries in sources.list.d.
    Reset();
    // CNC:2003-11-28 - Entries in sources.list have priority over
    //                  entries in sources.list.d.

-   string Main = _config->FindFile("Dir::Etc::sourcelist");
-   string Parts = _config->FindDir("Dir::Etc::sourceparts");
+   string Main = _config->FindFile("Dir::Etc::sourcelist", "/dev/null");
+   string Parts = _config->FindDir("Dir::Etc::sourceparts", "/dev/null");

    
    if (RealFileExists(Main) == true)
       Res &= ReadAppend(Main);
    
    if (RealFileExists(Main) == true)
       Res &= ReadAppend(Main);

-   else if (DirectoryExists(Parts) == false)
+   else if (DirectoryExists(Parts) == false && APT::String::Endswith(Parts, "/dev/null") == false)

       // Only warn if there are no sources.list.d.
       _error->WarningE("DirectoryExists", _("Unable to read %s"), Parts.c_str());
 
    if (DirectoryExists(Parts) == true)
       Res &= ReadSourceDir(Parts);
       // Only warn if there are no sources.list.d.
       _error->WarningE("DirectoryExists", _("Unable to read %s"), Parts.c_str());
 
    if (DirectoryExists(Parts) == true)
       Res &= ReadSourceDir(Parts);

-   else if (RealFileExists(Main) == false)
+   else if (Main.empty() == false && RealFileExists(Main) == false &&
+        APT::String::Endswith(Parts, "/dev/null") == false)

       // Only warn if there is no sources.list file.
       _error->WarningE("RealFileExists", _("Unable to read %s"), Main.c_str());
 
       // Only warn if there is no sources.list file.
       _error->WarningE("RealFileExists", _("Unable to read %s"), Main.c_str());
 


@@ -321,7 +338,7 @@ void pkgSourceList::Reset()
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
       delete *I;
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
       delete *I;

-   SrcList.erase(SrcList.begin(),SrcList.end());
+   SrcList.clear();

 }
                                                                        /*}}}*/
 // SourceList::Read - Parse the sourcelist file                                /*{{{*/
 }
                                                                        /*}}}*/
 // SourceList::Read - Parse the sourcelist file                                /*{{{*/


@@ -384,7 +401,7 @@ bool pkgSourceList::ParseFileOldStyle(std::string const &File)
         continue;
 
       // Grok it
         continue;
 
       // Grok it

-      std::string const LineType = Buffer.substr(0, Buffer.find(' '));
+      std::string const LineType = Buffer.substr(0, Buffer.find_first_of(" \t\v"));

       if (LineType.empty() || LineType == Buffer)
         return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str());
 
       if (LineType.empty() || LineType == Buffer)
         return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str());
 


@@ -403,16 +420,16 @@ bool pkgSourceList::ParseFileOldStyle(std::string const &File)
 /* Returns: the number of stanzas parsed*/
 bool pkgSourceList::ParseFileDeb822(string const &File)
 {
 /* Returns: the number of stanzas parsed*/
 bool pkgSourceList::ParseFileDeb822(string const &File)
 {

-   pkgUserTagSection Tags;

    unsigned int i = 1;
 
    // see if we can read the file
    FileFd Fd(File, FileFd::ReadOnly);
    unsigned int i = 1;
 
    // see if we can read the file
    FileFd Fd(File, FileFd::ReadOnly);

-   pkgTagFile Sources(&Fd);
-   if (_error->PendingError() == true)
+   pkgTagFile Sources(&Fd, pkgTagFile::SUPPORT_COMMENTS);
+   if (Fd.IsOpen() == false || Fd.Failed())

       return _error->Error(_("Malformed stanza %u in source list %s (type)"),i,File.c_str());
 
    // read step by step
       return _error->Error(_("Malformed stanza %u in source list %s (type)"),i,File.c_str());
 
    // read step by step

+   pkgTagSection Tags;

    while (Sources.Step(Tags) == true)
    {
       if(Tags.Exists("Types") == false)
    while (Sources.Step(Tags) == true)
    {
       if(Tags.Exists("Types") == false)


@@ -440,34 +457,26 @@ bool pkgSourceList::ParseFileDeb822(string const &File)
 }
                                                                        /*}}}*/
 // SourceList::FindIndex - Get the index associated with a file                /*{{{*/
 }
                                                                        /*}}}*/
 // SourceList::FindIndex - Get the index associated with a file                /*{{{*/

-// ---------------------------------------------------------------------
-/* */
+static bool FindInIndexFileContainer(std::vector<pkgIndexFile *> const &Cont, pkgCache::PkgFileIterator const &File, pkgIndexFile *&Found)
+{
+   auto const J = std::find_if(Cont.begin(), Cont.end(), [&File](pkgIndexFile const * const J) {
+        return J->FindInCache(*File.Cache()) == File;
+   });
+   if (J != Cont.end())
+   {
+      Found = (*J);
+      return true;
+   }
+   return false;
+}

 bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File,
                              pkgIndexFile *&Found) const
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)
 bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File,
                              pkgIndexFile *&Found) const
 {
    for (const_iterator I = SrcList.begin(); I != SrcList.end(); ++I)

-   {
-      vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles();
-      for (vector<pkgIndexFile *>::const_iterator J = Indexes->begin();
-          J != Indexes->end(); ++J)
-      {
-         if ((*J)->FindInCache(*File.Cache()) == File)
-         {
-            Found = (*J);
-            return true;
-         }
-      }
-   }
-   for (vector<pkgIndexFile *>::const_iterator J = VolatileFiles.begin();
-        J != VolatileFiles.end(); ++J)
-   {
-      if ((*J)->FindInCache(*File.Cache()) == File)
-      {
-        Found = (*J);
+      if (FindInIndexFileContainer(*(*I)->GetIndexFiles(), File, Found))

         return true;
         return true;

-      }
-   }
-   return false;
+
+   return FindInIndexFileContainer(VolatileFiles, File, Found);

 }
                                                                        /*}}}*/
 // SourceList::GetIndexes - Load the index files into the downloader   /*{{{*/
 }
                                                                        /*}}}*/
 // SourceList::GetIndexes - Load the index files into the downloader   /*{{{*/


@@ -516,11 +525,12 @@ time_t pkgSourceList::GetLastModifiedTime()
       List = GetListOfFilesInDir(Parts, "list", true);
 
    // calculate the time
       List = GetListOfFilesInDir(Parts, "list", true);
 
    // calculate the time

-   time_t mtime_sources = GetModificationTime(Main);
-   for (vector<string>::const_iterator I = List.begin(); I != List.end(); ++I)
-      mtime_sources = std::max(mtime_sources, GetModificationTime(*I));
-
-   return mtime_sources;
+   std::vector<time_t> modtimes;
+   modtimes.reserve(1 + List.size());
+   modtimes.push_back(GetModificationTime(Main));
+   std::transform(List.begin(), List.end(), std::back_inserter(modtimes), GetModificationTime);
+   auto const maxmtime = std::max_element(modtimes.begin(), modtimes.end());
+   return *maxmtime;

 }
                                                                        /*}}}*/
 std::vector<pkgIndexFile*> pkgSourceList::GetVolatileFiles() const     /*{{{*/
 }
                                                                        /*}}}*/
 std::vector<pkgIndexFile*> pkgSourceList::GetVolatileFiles() const     /*{{{*/


@@ -530,7 +540,80 @@ std::vector<pkgIndexFile*> pkgSourceList::GetVolatileFiles() const /*{{{*/
                                                                        /*}}}*/
 void pkgSourceList::AddVolatileFile(pkgIndexFile * const File)         /*{{{*/
 {
                                                                        /*}}}*/
 void pkgSourceList::AddVolatileFile(pkgIndexFile * const File)         /*{{{*/
 {

-   if (File != NULL)
+   if (File != nullptr)

       VolatileFiles.push_back(File);
 }
                                                                        /*}}}*/
       VolatileFiles.push_back(File);
 }
                                                                        /*}}}*/

+bool pkgSourceList::AddVolatileFile(std::string const &File, std::vector<std::string> * const VolatileCmdL)/*{{{*/
+{
+   // Note: FileExists matches directories and links, too!
+   if (File.empty() || FileExists(File) == false)
+      return false;
+
+   std::string const ext = flExtension(File);
+   if (ext == "deb")
+      AddVolatileFile(new debDebPkgFileIndex(File));
+   else if (ext == "dsc")
+      AddVolatileFile(new debDscFileIndex(File));
+   else if (FileExists(flCombine(File, "debian/control")))
+      AddVolatileFile(new debDscFileIndex(flCombine(File, "debian/control")));
+   else if (ext == "changes")
+   {
+      debDscRecordParser changes(File, nullptr);
+      std::vector<pkgSrcRecords::File2> fileslst;
+      if (changes.Files2(fileslst) == false || fileslst.empty())
+        return false;
+      auto const basedir = flNotFile(File);
+      for (auto && file: fileslst)
+      {
+        auto const name = flCombine(basedir, file.Path);
+        AddVolatileFile(name, VolatileCmdL);
+        if (file.Hashes.VerifyFile(name) == false)
+           return _error->Error("The file %s does not match with the hashes in the %s file!", name.c_str(), File.c_str());
+      }
+      return true;
+   }
+   else
+      return false;
+
+   if (VolatileCmdL != nullptr)
+      VolatileCmdL->push_back(File);
+   return true;
+}
+bool pkgSourceList::AddVolatileFile(std::string const &File)
+{
+   return AddVolatileFile(File, nullptr);
+}
+                                                                       /*}}}*/
+void pkgSourceList::AddVolatileFiles(CommandLine &CmdL, std::vector<std::string> * const VolatileCmdL)/*{{{*/
+{
+   std::remove_if(CmdL.FileList + 1, CmdL.FileList + 1 + CmdL.FileSize(), [&](char const * const I) {
+      if (I != nullptr && (I[0] == '/' || (I[0] == '.' && ((I[1] == '.' && I[2] == '/') || I[1] == '/'))))
+      {
+        if (AddVolatileFile(I, VolatileCmdL))
+           ;
+        else
+           _error->Error(_("Unsupported file %s given on commandline"), I);
+        return true;
+      }
+      return false;
+   });
+}
+void pkgSourceList::AddVolatileFiles(CommandLine &CmdL, std::vector<const char*> * const VolatileCmdL)
+{
+   std::remove_if(CmdL.FileList + 1, CmdL.FileList + 1 + CmdL.FileSize(), [&](char const * const I) {
+      if (I != nullptr && (I[0] == '/' || (I[0] == '.' && ((I[1] == '.' && I[2] == '/') || I[1] == '/'))))
+      {
+        if (AddVolatileFile(I))
+        {
+           if (VolatileCmdL != nullptr)
+              VolatileCmdL->push_back(I);
+        }
+        else
+           _error->Error(_("Unsupported file %s given on commandline"), I);
+        return true;
+      }
+      return false;
+   });
+}
+                                                                       /*}}}*/