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 82d2ed3c662dd13c56ed3de992656a21155167ce..00053958275cb7d5c5042da4e59604ccc0b13935 100644 (file)
--- a/apt-pkg/sourcelist.cc
+++ b/apt-pkg/sourcelist.cc
@@ -22,6 +22,7 @@
 #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>
@@ -98,8 +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))); \
-   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");
@@ -311,18 +312,19 @@ bool pkgSourceList::ReadMainList()
    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);
-   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);
-   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());
 
@@ -542,7 +544,7 @@ void pkgSourceList::AddVolatileFile(pkgIndexFile * const File)              /*{{{*/
       VolatileFiles.push_back(File);
 }
                                                                        /*}}}*/
-bool pkgSourceList::AddVolatileFile(std::string const &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)
@@ -555,13 +557,49 @@ bool pkgSourceList::AddVolatileFile(std::string const &File)              /*{{{*/
       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<const char*> * const VolatileCmdL)/*{{{*/
+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] == '/'))))