support lang= and target= sources.list options

[apt.git] / cmdline / apt-get.cc

diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index 8448638dbbeb99dd49e7954cf76c33c3cdf43330..500a0a3c5547340f30a56cba6e2823f343982885 100644 (file)
--- a/cmdline/apt-get.cc
+++ b/cmdline/apt-get.cc
@@ -78,13 +78,15 @@
 #include <string.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>
 #include <string.h>
 #include <sys/ioctl.h>
 #include <sys/stat.h>

-#include <sys/statfs.h>
-#include <sys/statvfs.h>

 #include <sys/wait.h>
 #include <unistd.h>
 #include <sys/wait.h>
 #include <unistd.h>

+#include <pwd.h>
+#include <grp.h>
+

 #include <algorithm>
 #include <fstream>
 #include <iostream>
 #include <algorithm>
 #include <fstream>
 #include <iostream>

+#include <sstream>

 #include <set>
 #include <string>
 #include <vector>
 #include <set>
 #include <string>
 #include <vector>


@@ -135,28 +137,6 @@ static bool TryToInstallBuildDep(pkgCache::PkgIterator Pkg,pkgCacheFile &Cache,
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

-
-
-// helper that can go wit hthe next ABI break
-#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13)
-static std::string MetaIndexFileNameOnDisk(metaIndex *metaindex)
-{
-   // FIXME: this cast is the horror, the horror
-   debReleaseIndex *r = (debReleaseIndex*)metaindex;
-
-   // see if we have a InRelease file
-   std::string PathInRelease =  r->MetaIndexFile("InRelease");
-   if (FileExists(PathInRelease))
-      return PathInRelease;
-
-   // and if not return the normal one
-   if (FileExists(PathInRelease))
-      return r->MetaIndexFile("Release");
-
-   return "";
-}
-#endif
-

 // GetReleaseForSourceRecord - Return Suite for the given srcrecord    /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // GetReleaseForSourceRecord - Return Suite for the given srcrecord    /*{{{*/
 // ---------------------------------------------------------------------
 /* */


@@ -175,12 +155,8 @@ static std::string GetReleaseForSourceRecord(pkgSourceList *SrcList,
       {
          if (&CurrentIndexFile == (*IF))
          {
       {
          if (&CurrentIndexFile == (*IF))
          {

-#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13)
-            std::string path = MetaIndexFileNameOnDisk(*S);
-#else
-            std::string path = (*S)->LocalFileName();
-#endif
-            if (path != "") 
+            std::string const path = (*S)->LocalFileName();
+            if (path != "")

             {
                indexRecords records;
                records.Load(path);
             {
                indexRecords records;
                records.Load(path);


@@ -195,7 +171,11 @@ static std::string GetReleaseForSourceRecord(pkgSourceList *SrcList,
 // FindSrc - Find a source record                                      /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // FindSrc - Find a source record                                      /*{{{*/
 // ---------------------------------------------------------------------
 /* */

+#if APT_PKG_ABI >= 413

 static pkgSrcRecords::Parser *FindSrc(const char *Name,
 static pkgSrcRecords::Parser *FindSrc(const char *Name,

+#else
+static pkgSrcRecords::Parser *FindSrc(const char *Name,pkgRecords &Recs,
+#endif

                               pkgSrcRecords &SrcRecs,string &Src,
                               CacheFile &CacheFile)
 {
                               pkgSrcRecords &SrcRecs,string &Src,
                               CacheFile &CacheFile)
 {


@@ -303,10 +283,21 @@ static pkgSrcRecords::Parser *FindSrc(const char *Name,
                  (VF.File().Archive() != 0 && VF.File().Archive() == RelTag) ||
                  (VF.File().Codename() != 0 && VF.File().Codename() == RelTag)) 
               {
                  (VF.File().Archive() != 0 && VF.File().Archive() == RelTag) ||
                  (VF.File().Codename() != 0 && VF.File().Codename() == RelTag)) 
               {

-                 Src = Ver.SourcePkgName();

                  // the Version we have is possibly fuzzy or includes binUploads,
                  // the Version we have is possibly fuzzy or includes binUploads,

-                 // so we use the Version of the SourcePkg
+                 // so we use the Version of the SourcePkg (empty if same as package)
+#if APT_PKG_ABI >= 413
+                 Src = Ver.SourcePkgName();

                  VerTag = Ver.SourceVerStr();
                  VerTag = Ver.SourceVerStr();

+#else
+                 pkgRecords::Parser &Parse = Recs.Lookup(VF);
+                 Src = Parse.SourcePkg();
+                 // no SourcePkg name, so it is the "binary" name
+                 if (Src.empty() == true)
+                    Src = TmpSrc;
+                 VerTag = Parse.SourceVer();
+                 if (VerTag.empty() == true)
+                    VerTag = Ver.VerStr();
+#endif

                  break;
               }
            }
                  break;
               }
            }


@@ -337,10 +328,17 @@ static pkgSrcRecords::Parser *FindSrc(const char *Name,
         pkgCache::VerIterator Ver = Cache->GetCandidateVer(Pkg);
         if (Ver.end() == false) 
         {
         pkgCache::VerIterator Ver = Cache->GetCandidateVer(Pkg);
         if (Ver.end() == false) 
         {

+#if APT_PKG_ABI >= 413

            if (strcmp(Ver.SourcePkgName(),Ver.ParentPkg().Name()) != 0)
               Src = Ver.SourcePkgName();
            if (VerTag.empty() == true && strcmp(Ver.SourceVerStr(),Ver.VerStr()) != 0)
               VerTag = Ver.SourceVerStr();
            if (strcmp(Ver.SourcePkgName(),Ver.ParentPkg().Name()) != 0)
               Src = Ver.SourcePkgName();
            if (VerTag.empty() == true && strcmp(Ver.SourceVerStr(),Ver.VerStr()) != 0)
               VerTag = Ver.SourceVerStr();

+#else
+           pkgRecords::Parser &Parse = Recs.Lookup(Ver.FileList());
+           Src = Parse.SourcePkg();
+           if (VerTag.empty() == true)
+              VerTag = Parse.SourceVer();
+#endif

         }
       }
    }
         }
       }
    }


@@ -561,30 +559,12 @@ static bool DoClean(CommandLine &)
       return true;
    }
 
       return true;
    }
 

-   bool const NoLocking = _config->FindB("Debug::NoLocking",false);
-   // Lock the archive directory
-   FileFd Lock;
-   if (NoLocking == false)
-   {
-      int lock_fd = GetLock(archivedir + "lock");
-      if (lock_fd < 0)
-        return _error->Error(_("Unable to lock directory %s"), archivedir.c_str());
-      Lock.Fd(lock_fd);
-   }
-

    pkgAcquire Fetcher;
    pkgAcquire Fetcher;

+   Fetcher.GetLock(archivedir);

    Fetcher.Clean(archivedir);
    Fetcher.Clean(archivedir + "partial/");
 
    Fetcher.Clean(archivedir);
    Fetcher.Clean(archivedir + "partial/");
 

-   if (NoLocking == false)
-   {
-      Lock.Close();
-      int lock_fd = GetLock(listsdir + "lock");
-      if (lock_fd < 0)
-        return _error->Error(_("Unable to lock directory %s"), listsdir.c_str());
-      Lock.Fd(lock_fd);
-   }
-
+   Fetcher.GetLock(listsdir);

    Fetcher.Clean(listsdir + "partial/");
 
    pkgCacheFile::RemoveCaches();
    Fetcher.Clean(listsdir + "partial/");
 
    pkgCacheFile::RemoveCaches();


@@ -638,14 +618,14 @@ static bool DoDownload(CommandLine &CmdL)
    if (Cache.ReadOnlyOpen() == false)
       return false;
 
    if (Cache.ReadOnlyOpen() == false)
       return false;
 

-   APT::CacheSetHelper helper(c0out);
+   APT::CacheSetHelper helper;

    APT::VersionSet verset = APT::VersionSet::FromCommandLine(Cache,
                CmdL.FileList + 1, APT::CacheSetHelper::CANDIDATE, helper);
 
    if (verset.empty() == true)
       return false;
 
    APT::VersionSet verset = APT::VersionSet::FromCommandLine(Cache,
                CmdL.FileList + 1, APT::CacheSetHelper::CANDIDATE, helper);
 
    if (verset.empty() == true)
       return false;
 

-   AcqTextStatus Stat(ScreenWidth, _config->FindI("quiet", 0));
+   AcqTextStatus Stat(std::cout, ScreenWidth,_config->FindI("quiet",0));

    pkgAcquire Fetcher(&Stat);
 
    pkgRecords Recs(Cache);
    pkgAcquire Fetcher(&Stat);
 
    pkgRecords Recs(Cache);


@@ -661,6 +641,8 @@ static bool DoDownload(CommandLine &CmdL)
         Ver != verset.end(); ++Ver, ++i)
    {
       pkgAcquire::Item *I = new pkgAcqArchive(&Fetcher, SrcList, &Recs, *Ver, storefile[i]);
         Ver != verset.end(); ++Ver, ++i)
    {
       pkgAcquire::Item *I = new pkgAcqArchive(&Fetcher, SrcList, &Recs, *Ver, storefile[i]);

+      if (storefile[i].empty())
+        continue;

       std::string const filename = cwd + flNotDir(storefile[i]);
       storefile[i].assign(filename);
       I->DestFile.assign(filename);
       std::string const filename = cwd + flNotDir(storefile[i]);
       storefile[i].assign(filename);
       I->DestFile.assign(filename);


@@ -676,6 +658,9 @@ static bool DoDownload(CommandLine &CmdL)
       return true;
    }
 
       return true;
    }
 

+   // Disable drop-privs if "_apt" can not write to the target dir
+   CheckDropPrivsMustBeDisabled(Fetcher);
+

    if (_error->PendingError() == true || CheckAuth(Fetcher, false) == false)
       return false;
 
    if (_error->PendingError() == true || CheckAuth(Fetcher, false) == false)
       return false;
 


@@ -737,12 +722,15 @@ static bool DoSource(CommandLine &CmdL)
    pkgSourceList *List = Cache.GetSourceList();
    
    // Create the text record parsers
    pkgSourceList *List = Cache.GetSourceList();
    
    // Create the text record parsers

+#if APT_PKG_ABI < 413
+   pkgRecords Recs(Cache);
+#endif

    pkgSrcRecords SrcRecs(*List);
    if (_error->PendingError() == true)
       return false;
 
    // Create the download object
    pkgSrcRecords SrcRecs(*List);
    if (_error->PendingError() == true)
       return false;
 
    // Create the download object

-   AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));
+   AcqTextStatus Stat(std::cout, ScreenWidth,_config->FindI("quiet",0));

    pkgAcquire Fetcher(&Stat);
 
    SPtrArray<DscFile> Dsc = new DscFile[CmdL.FileSize()];
    pkgAcquire Fetcher(&Stat);
 
    SPtrArray<DscFile> Dsc = new DscFile[CmdL.FileSize()];


@@ -764,8 +752,11 @@ static bool DoSource(CommandLine &CmdL)
    for (const char **I = CmdL.FileList + 1; *I != 0; I++, J++)
    {
       string Src;
    for (const char **I = CmdL.FileList + 1; *I != 0; I++, J++)
    {
       string Src;

+#if APT_PKG_ABI >= 413

       pkgSrcRecords::Parser *Last = FindSrc(*I,SrcRecs,Src,Cache);
       pkgSrcRecords::Parser *Last = FindSrc(*I,SrcRecs,Src,Cache);

-      
+#else
+      pkgSrcRecords::Parser *Last = FindSrc(*I,Recs,SrcRecs,Src,Cache);
+#endif

       if (Last == 0) {
         return _error->Error(_("Unable to find a source package for %s"),Src.c_str());
       }
       if (Last == 0) {
         return _error->Error(_("Unable to find a source package for %s"),Src.c_str());
       }


@@ -801,13 +792,13 @@ static bool DoSource(CommandLine &CmdL)
       }
 
       // Back track
       }
 
       // Back track

-      vector<pkgSrcRecords::File> Lst;
-      if (Last->Files(Lst) == false) {
+      vector<pkgSrcRecords::File2> Lst;
+      if (Last->Files2(Lst) == false) {

         return false;
       }
 
       // Load them into the fetcher
         return false;
       }
 
       // Load them into the fetcher

-      for (vector<pkgSrcRecords::File>::const_iterator I = Lst.begin();
+      for (vector<pkgSrcRecords::File2>::const_iterator I = Lst.begin();

           I != Lst.end(); ++I)
       {
         // Try to guess what sort of file it is we are getting.
           I != Lst.end(); ++I)
       {
         // Try to guess what sort of file it is we are getting.


@@ -854,42 +845,18 @@ static bool DoSource(CommandLine &CmdL)
         }
 
         new pkgAcqFile(&Fetcher,Last->Index().ArchiveURI(I->Path),
         }
 
         new pkgAcqFile(&Fetcher,Last->Index().ArchiveURI(I->Path),

-                       I->Hashes, I->Size, Last->Index().SourceInfo(*Last,*I), Src);
+                       I->Hashes, I->FileSize, Last->Index().SourceInfo(*Last,*I), Src);

       }
    }
 
       }
    }
 

-   // check authentication status of the source as well
-   if (UntrustedList != "" && !AuthPrompt(UntrustedList, false))
-      return false;
-   

    // Display statistics
    unsigned long long FetchBytes = Fetcher.FetchNeeded();
    unsigned long long FetchPBytes = Fetcher.PartialPresent();
    unsigned long long DebBytes = Fetcher.TotalNeeded();
 
    // Display statistics
    unsigned long long FetchBytes = Fetcher.FetchNeeded();
    unsigned long long FetchPBytes = Fetcher.PartialPresent();
    unsigned long long DebBytes = Fetcher.TotalNeeded();
 

-   // Check for enough free space
-   struct statvfs Buf;
-   string OutputDir = ".";
-   if (statvfs(OutputDir.c_str(),&Buf) != 0) {
-      if (errno == EOVERFLOW)
-        return _error->WarningE("statvfs",_("Couldn't determine free space in %s"),
-                               OutputDir.c_str());
-      else
-        return _error->Errno("statvfs",_("Couldn't determine free space in %s"),
-                               OutputDir.c_str());
-   } else if (unsigned(Buf.f_bfree) < (FetchBytes - FetchPBytes)/Buf.f_bsize)
-     {
-       struct statfs Stat;
-       if (statfs(OutputDir.c_str(),&Stat) != 0
-#if HAVE_STRUCT_STATFS_F_TYPE
-           || unsigned(Stat.f_type) != RAMFS_MAGIC
-#endif
-           )  {
-          return _error->Error(_("You don't have enough free space in %s"),
-              OutputDir.c_str());
-       }
-     }
-   
+   if (CheckFreeSpaceBeforeDownload(".", (FetchBytes - FetchPBytes)) == false)
+      return false;
+

    // Number of bytes
    if (DebBytes != FetchBytes)
       //TRANSLATOR: The required space between number and unit is already included
    // Number of bytes
    if (DebBytes != FetchBytes)
       //TRANSLATOR: The required space between number and unit is already included


@@ -908,7 +875,7 @@ static bool DoSource(CommandLine &CmdL)
         ioprintf(cout,_("Fetch source %s\n"),Dsc[I].Package.c_str());
       return true;
    }
         ioprintf(cout,_("Fetch source %s\n"),Dsc[I].Package.c_str());
       return true;
    }

-   
+

    // Just print out the uris an exit if the --print-uris flag was used
    if (_config->FindB("APT::Get::Print-URIs") == true)
    {
    // Just print out the uris an exit if the --print-uris flag was used
    if (_config->FindB("APT::Get::Print-URIs") == true)
    {


@@ -919,6 +886,13 @@ static bool DoSource(CommandLine &CmdL)
       return true;
    }
 
       return true;
    }
 

+   // Disable drop-privs if "_apt" can not write to the target dir
+   CheckDropPrivsMustBeDisabled(Fetcher);
+
+   // check authentication status of the source as well
+   if (UntrustedList != "" && !AuthPrompt(UntrustedList, false))
+      return false;
+

    // Run it
    bool Failed = false;
    if (AcquireRun(Fetcher, 0, &Failed, NULL) == false || Failed == true)
    // Run it
    bool Failed = false;
    if (AcquireRun(Fetcher, 0, &Failed, NULL) == false || Failed == true)


@@ -1062,6 +1036,7 @@ static bool DoBuildDep(CommandLine &CmdL)
    {
       string Src;
       pkgSrcRecords::Parser *Last = 0;
    {
       string Src;
       pkgSrcRecords::Parser *Last = 0;

+      SPtr<pkgSrcRecords::Parser> LastOwner;

 
       // an unpacked debian source tree
       using APT::String::Startswith;
 
       // an unpacked debian source tree
       using APT::String::Startswith;


@@ -1070,10 +1045,10 @@ static bool DoBuildDep(CommandLine &CmdL)
       {
          ioprintf(c1out, _("Note, using directory '%s' to get the build dependencies\n"), *I);
          // FIXME: how can we make this more elegant?
       {
          ioprintf(c1out, _("Note, using directory '%s' to get the build dependencies\n"), *I);
          // FIXME: how can we make this more elegant?

-         std::string TypeName = "debian/control File Source Index";
+         std::string TypeName = "Debian control file";

          pkgIndexFile::Type *Type = pkgIndexFile::Type::GetType(TypeName.c_str());
          if(Type != NULL)
          pkgIndexFile::Type *Type = pkgIndexFile::Type::GetType(TypeName.c_str());
          if(Type != NULL)

-            Last = Type->CreateSrcPkgParser(*I);
+            LastOwner = Last = Type->CreateSrcPkgParser(*I);

       }
       // if its a local file (e.g. .dsc) use this
       else if (FileExists(*I))
       }
       // if its a local file (e.g. .dsc) use this
       else if (FileExists(*I))


@@ -1081,13 +1056,17 @@ static bool DoBuildDep(CommandLine &CmdL)
          ioprintf(c1out, _("Note, using file '%s' to get the build dependencies\n"), *I);
 
          // see if we can get a parser for this pkgIndexFile type
          ioprintf(c1out, _("Note, using file '%s' to get the build dependencies\n"), *I);
 
          // see if we can get a parser for this pkgIndexFile type

-         string TypeName = flExtension(*I) + " File Source Index";
+         string TypeName = "Debian " + flExtension(*I) + " file";

          pkgIndexFile::Type *Type = pkgIndexFile::Type::GetType(TypeName.c_str());
          if(Type != NULL)
          pkgIndexFile::Type *Type = pkgIndexFile::Type::GetType(TypeName.c_str());
          if(Type != NULL)

-            Last = Type->CreateSrcPkgParser(*I);
+            LastOwner = Last = Type->CreateSrcPkgParser(*I);

       } else {
          // normal case, search the cache for the source file
       } else {
          // normal case, search the cache for the source file

-         Last = FindSrc(*I,SrcRecs,Src,Cache);
+#if APT_PKG_ABI >= 413
+        Last = FindSrc(*I,SrcRecs,Src,Cache);
+#else
+        Last = FindSrc(*I,Recs,SrcRecs,Src,Cache);
+#endif

       }
 
       if (Last == 0)
       }
 
       if (Last == 0)


@@ -1429,168 +1408,175 @@ static bool DoBuildDep(CommandLine &CmdL)
    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/

-// GetChangelogPath - return a path pointing to a changelog file or dir /*{{{*/
-// ---------------------------------------------------------------------
-/* This returns a "path" string for the changelog url construction.
- * Please note that its not complete, it either needs a "/changelog"
- * appended (for the packages.debian.org/changelogs site) or a
- * ".changelog" (for third party sites that store the changelog in the
- * pool/ next to the deb itself)
- * Example return: "pool/main/a/apt/apt_0.8.8ubuntu3" 
- */
-static string GetChangelogPath(CacheFile &Cache,
-                        pkgCache::VerIterator Ver)
-{
-   pkgRecords Recs(Cache);
-   pkgRecords::Parser &rec=Recs.Lookup(Ver.FileList());
-   string path = flNotFile(rec.FileName());
-   path.append(Ver.SourcePkgName());
-   path.append("_");
-   path.append(StripEpoch(Ver.SourceVerStr()));
-   return path;
-}
-                                                                       /*}}}*/
-// GuessThirdPartyChangelogUri - return url                            /*{{{*/
-// ---------------------------------------------------------------------
-/* Contruct a changelog file path for third party sites that do not use
- * packages.debian.org/changelogs
- * This simply uses the ArchiveURI() of the source pkg and looks for
- * a .changelog file there, Example for "mediabuntu":
- * apt-get changelog mplayer-doc:
- *  http://packages.medibuntu.org/pool/non-free/m/mplayer/mplayer_1.0~rc4~try1.dsfg1-1ubuntu1+medibuntu1.changelog
- */
-static bool GuessThirdPartyChangelogUri(CacheFile &Cache, 
-                                 pkgCache::VerIterator Ver,
-                                 string &out_uri)
+// DoChangelog - Get changelog from the command line                   /*{{{*/
+static bool DoChangelog(CommandLine &CmdL)

 {
 {

-   // get the binary deb server path
-   pkgCache::VerFileIterator Vf = Ver.FileList();
-   if (Vf.end() == true)
+   CacheFile Cache;
+   if (Cache.ReadOnlyOpen() == false)

       return false;
       return false;

-   pkgCache::PkgFileIterator F = Vf.File();
-   pkgIndexFile *index;
-   pkgSourceList *SrcList = Cache.GetSourceList();
-   if(SrcList->FindIndex(F, index) == false)
+
+   APT::CacheSetHelper helper;
+   APT::VersionList verset = APT::VersionList::FromCommandLine(Cache,
+               CmdL.FileList + 1, APT::CacheSetHelper::CANDIDATE, helper);
+   if (verset.empty() == true)

       return false;
       return false;

+   pkgAcquire Fetcher;
+   AcqTextStatus Stat(std::cout, ScreenWidth,_config->FindI("quiet",0));
+   Fetcher.SetLog(&Stat);

 
 

-   // get archive uri for the binary deb
-   string path_without_dot_changelog = GetChangelogPath(Cache, Ver);
-   out_uri = index->ArchiveURI(path_without_dot_changelog + ".changelog");
+   bool const downOnly = _config->FindB("APT::Get::Download-Only", false);
+   bool const printOnly = _config->FindB("APT::Get::Print-URIs", false);

 
 

-   // now strip away the filename and add srcpkg_srcver.changelog
-   return true;
-}
-                                                                       /*}}}*/
-// DownloadChangelog - Download the changelog                          /*{{{*/
-// ---------------------------------------------------------------------
-static bool DownloadChangelog(CacheFile &CacheFile, pkgAcquire &Fetcher, 
-                       pkgCache::VerIterator Ver, string targetfile)
-/* Download a changelog file for the given package version to
- * targetfile. This will first try the server from Apt::Changelogs::Server
- * (http://packages.debian.org/changelogs by default) and if that gives
- * a 404 tries to get it from the archive directly (see 
- * GuessThirdPartyChangelogUri for details how)
- */
-{
-   // make the server root configurable
-   string const server = _config->Find("Apt::Changelogs::Server",
-                          "http://packages.debian.org/changelogs");
-   string const path = GetChangelogPath(CacheFile, Ver);
-   string changelog_uri;
-   strprintf(changelog_uri, "%s/%s/changelog", server.c_str(), path.c_str());
-   if (_config->FindB("APT::Get::Print-URIs", false) == true)
+   for (APT::VersionList::const_iterator Ver = verset.begin();
+        Ver != verset.end();
+        ++Ver)

    {
    {

-      std::cout << '\'' << changelog_uri << '\'' << std::endl;
-      return true;
+      if (printOnly)
+        new pkgAcqChangelog(&Fetcher, Ver, "/dev/null");
+      else if (downOnly)
+        new pkgAcqChangelog(&Fetcher, Ver, ".");
+      else
+        new pkgAcqChangelog(&Fetcher, Ver);

    }
    }

-   pkgCache::PkgIterator const Pkg = Ver.ParentPkg();

 
 

-   string descr;
-   strprintf(descr, _("Changelog for %s (%s)"), Pkg.Name(), changelog_uri.c_str());
-   // queue it
-   new pkgAcqFile(&Fetcher, changelog_uri, "", 0, descr, Pkg.Name(), "ignored", targetfile);
+   if (printOnly == false)
+   {
+      // Disable drop-privs if "_apt" can not write to the target dir
+      CheckDropPrivsMustBeDisabled(Fetcher);
+      if (_error->PendingError() == true)
+        return false;

 
 

-   // try downloading it, if that fails, try third-party-changelogs location
-   // FIXME: Fetcher.Run() is "Continue" even if I get a 404?!?
-   Fetcher.Run();
-   if (!FileExists(targetfile))
+      bool Failed = false;
+      if (AcquireRun(Fetcher, 0, &Failed, NULL) == false || Failed == true)
+        return false;
+   }
+
+   if (downOnly == false || printOnly == true)

    {
    {

-      string third_party_uri;
-      if (GuessThirdPartyChangelogUri(CacheFile, Ver, third_party_uri))
+      bool Failed = false;
+      for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); ++I)

       {
       {

-         strprintf(descr, _("Changelog for %s (%s)"), Pkg.Name(), third_party_uri.c_str());
-         new pkgAcqFile(&Fetcher, third_party_uri, "", 0, descr, Pkg.Name(), "ignored", targetfile);
-         Fetcher.Run();
+        if (printOnly)
+        {
+           if ((*I)->ErrorText.empty() == false)
+           {
+              Failed = true;
+              _error->Error("%s", (*I)->ErrorText.c_str());
+           }
+           else
+              cout << '\'' << (*I)->DescURI() << "' " << flNotDir((*I)->DestFile)  << std::endl;
+        }
+        else
+           DisplayFileInPager((*I)->DestFile);

       }
       }

+      return Failed == false;

    }
 
    }
 

-   if (FileExists(targetfile))
-      return true;
-
-   // error
-   return _error->Error("changelog download failed");
+   return true;

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-// DoChangelog - Get changelog from the command line                   /*{{{*/
-// ---------------------------------------------------------------------
-static bool DoChangelog(CommandLine &CmdL)
+// DoFiles - Lists all IndexTargets                                    /*{{{*/
+static std::string format_key(std::string key)

 {
 {

-   CacheFile Cache;
-   if (Cache.ReadOnlyOpen() == false)
-      return false;
-   
-   APT::CacheSetHelper helper(c0out);
-   APT::VersionList verset = APT::VersionList::FromCommandLine(Cache,
-               CmdL.FileList + 1, APT::CacheSetHelper::CANDIDATE, helper);
-   if (verset.empty() == true)
-      return false;
-   pkgAcquire Fetcher;
-
-   if (_config->FindB("APT::Get::Print-URIs", false) == true)
+   // deb822 is case-insensitive, but the human eye prefers candy
+   std::transform(key.begin(), key.end(), key.begin(), ::tolower);
+   key[0] = ::toupper(key[0]);
+   size_t found = key.find("_uri");
+   if (found != std::string::npos)
+      key.replace(found, 4, "-URI");
+   while ((found = key.find('_')) != std::string::npos)

    {
    {

-      bool Success = true;
-      for (APT::VersionList::const_iterator Ver = verset.begin();
-          Ver != verset.end(); ++Ver)
-        Success &= DownloadChangelog(Cache, Fetcher, Ver, "");
-      return Success;
+      key[found] = '-';
+      key[found + 1] = ::toupper(key[found + 1]);

    }
    }

+   return key;
+}
+static bool DoFiles(CommandLine &CmdL)
+{
+   pkgCacheFile CacheFile;
+   pkgSourceList *SrcList = CacheFile.GetSourceList();

 
 

-   AcqTextStatus Stat(ScreenWidth, _config->FindI("quiet",0));
-   Fetcher.SetLog(&Stat);
-
-   bool const downOnly = _config->FindB("APT::Get::Download-Only", false);
+   if (SrcList == NULL)
+      return false;

 
 

-   char tmpname[100];
-   const char* tmpdir = NULL;
-   if (downOnly == false)
+   std::string const Format = _config->Find("APT::Get::Files::Format");
+   bool const ReleaseInfo = _config->FindB("APT::Get::Files::ReleaseInfo", true);
+   bool Filtered = CmdL.FileSize() > 1;
+   for (pkgSourceList::const_iterator S = SrcList->begin(); S != SrcList->end(); ++S)

    {
    {

-      std::string systemTemp = GetTempDir();
-      snprintf(tmpname, sizeof(tmpname), "%s/apt-changelog-XXXXXX", 
-               systemTemp.c_str());
-      tmpdir = mkdtemp(tmpname);
-      if (tmpdir == NULL)
-        return _error->Errno("mkdtemp", "mkdtemp failed");
-   }
+      std::vector<IndexTarget> const targets = (*S)->GetIndexTargets();
+      std::map<std::string, string> AddOptions;
+      if (ReleaseInfo)
+      {
+        AddOptions.insert(std::make_pair("TRUSTED", ((*S)->IsTrusted() ? "yes" : "no")));
+        pkgCache &Cache = *CacheFile.GetPkgCache();
+        pkgCache::RlsFileIterator const RlsFile = (*S)->FindInCache(Cache, false);
+        if (RlsFile.end())
+           continue;
+#define APT_RELEASE(X,Y) if (RlsFile.Y() != NULL) AddOptions.insert(std::make_pair(X, RlsFile.Y()))
+        APT_RELEASE("CODENAME", Codename);
+        APT_RELEASE("SUITE", Archive);
+        APT_RELEASE("VERSION", Version);
+        APT_RELEASE("ORIGIN", Origin);
+        APT_RELEASE("LABEL", Label);
+#undef APT_RELEASE
+      }

 
 

-   for (APT::VersionList::const_iterator Ver = verset.begin(); 
-        Ver != verset.end(); 
-        ++Ver) 
-   {
-      string changelogfile;
-      if (downOnly == false)
-        changelogfile.append(tmpname).append("/changelog");
-      else
-        changelogfile.append(Ver.ParentPkg().Name()).append(".changelog");
-      if (DownloadChangelog(Cache, Fetcher, Ver, changelogfile) && downOnly == false)
+      for (std::vector<IndexTarget>::const_iterator T = targets.begin(); T != targets.end(); ++T)

       {
       {

-         DisplayFileInPager(changelogfile);
-         // cleanup temp file
-         unlink(changelogfile.c_str());
+        std::string filename = T->Option(ReleaseInfo ? IndexTarget::EXISTING_FILENAME : IndexTarget::FILENAME);
+        if (filename.empty())
+           continue;
+
+        std::ostringstream stanza;
+        if (Filtered || Format.empty())
+        {
+           stanza << "MetaKey: " << T->MetaKey << "\n"
+              << "ShortDesc: " << T->ShortDesc << "\n"
+              << "Description: " << T->Description << "\n"
+              << "URI: " << T->URI << "\n"
+              << "Filename: " << filename << "\n"
+              << "Optional: " << (T->IsOptional ? "yes" : "no") << "\n";
+           for (std::map<std::string,std::string>::const_iterator O = AddOptions.begin(); O != AddOptions.end(); ++O)
+              stanza << format_key(O->first) << ": " << O->second << "\n";
+           for (std::map<std::string,std::string>::const_iterator O = T->Options.begin(); O != T->Options.end(); ++O)
+              stanza << format_key(O->first) << ": " << O->second << "\n";
+           stanza << "\n";
+
+           if (Filtered)
+           {
+              // that is a bit crude, but good enough for now
+              bool found = true;
+              std::string haystack = std::string("\n") + stanza.str() + "\n";
+              std::transform(haystack.begin(), haystack.end(), haystack.begin(), ::tolower);
+              size_t const filesize = CmdL.FileSize() - 1;
+              for (size_t i = 0; i != filesize; ++i)
+              {
+                 std::string needle = std::string("\n") + CmdL.FileList[i + 1] + "\n";
+                 std::transform(needle.begin(), needle.end(), needle.begin(), ::tolower);
+                 if (haystack.find(needle) != std::string::npos)
+                    continue;
+                 found = false;
+                 break;
+              }
+              if (found == false)
+                 continue;
+           }
+        }
+
+        if (Format.empty())
+           cout << stanza.str();
+        else
+        {
+           std::string out = SubstVar(Format, "$(FILENAME)", filename);
+           out = T->Format(out);
+           for (std::map<std::string,std::string>::const_iterator O = AddOptions.begin(); O != AddOptions.end(); ++O)
+              out = SubstVar(out, std::string("$(") + O->first + ")", O->second);
+           cout << out << std::endl;
+        }

       }
    }
       }
    }

-   // clenaup tmp dir
-   if (tmpdir != NULL)
-      rmdir(tmpdir);
+

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


@@ -1599,13 +1585,12 @@ static bool DoChangelog(CommandLine &CmdL)
 /* */
 static bool ShowHelp(CommandLine &)
 {
 /* */
 static bool ShowHelp(CommandLine &)
 {

-   ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
-           COMMON_ARCH,__DATE__,__TIME__);
-           
+   ioprintf(cout, "%s %s (%s)\n", PACKAGE, PACKAGE_VERSION, COMMON_ARCH);
+

    if (_config->FindB("version") == true)
    {
       cout << _("Supported modules:") << endl;
    if (_config->FindB("version") == true)
    {
       cout << _("Supported modules:") << endl;

-      
+

       for (unsigned I = 0; I != pkgVersioningSystem::GlobalListLen; I++)
       {
         pkgVersioningSystem *VS = pkgVersioningSystem::GlobalList[I];
       for (unsigned I = 0; I != pkgVersioningSystem::GlobalListLen; I++)
       {
         pkgVersioningSystem *VS = pkgVersioningSystem::GlobalList[I];


@@ -1614,7 +1599,7 @@ static bool ShowHelp(CommandLine &)
         else
            cout << ' ';
         cout << "Ver: " << VS->Label << endl;
         else
            cout << ' ';
         cout << "Ver: " << VS->Label << endl;

-        
+

         /* Print out all the packaging systems that will work with 
            this VS */
         for (unsigned J = 0; J != pkgSystem::GlobalListLen; J++)
         /* Print out all the packaging systems that will work with 
            this VS */
         for (unsigned J = 0; J != pkgSystem::GlobalListLen; J++)


@@ -1709,6 +1694,7 @@ int main(int argc,const char *argv[])                                     /*{{{*/
                                   {"source",&DoSource},
                                    {"download",&DoDownload},
                                    {"changelog",&DoChangelog},
                                   {"source",&DoSource},
                                    {"download",&DoDownload},
                                    {"changelog",&DoChangelog},

+                                  {"files",&DoFiles},

                                   {"moo",&DoMoo},
                                   {"help",&ShowHelp},
                                    {0,0}};
                                   {"moo",&DoMoo},
                                   {"help",&ShowHelp},
                                    {0,0}};


@@ -1720,26 +1706,8 @@ int main(int argc,const char *argv[])                                    /*{{{*/
    textdomain(PACKAGE);
 
    // Parse the command line and initialize the package library
    textdomain(PACKAGE);
 
    // Parse the command line and initialize the package library

-   CommandLine CmdL(Args.data(),_config);
-   if (pkgInitConfig(*_config) == false ||
-       CmdL.Parse(argc,argv) == false ||
-       pkgInitSystem(*_config,_system) == false)
-   {
-      if (_config->FindB("version") == true)
-        ShowHelp(CmdL);
-        
-      _error->DumpErrors();
-      return 100;
-   }
-
-   // See if the help should be shown
-   if (_config->FindB("help") == true ||
-       _config->FindB("version") == true ||
-       CmdL.FileSize() == 0)
-   {
-      ShowHelp(CmdL);
-      return 0;
-   }
+   CommandLine CmdL;
+   ParseCommandLine(CmdL, Cmds, Args.data(), &_config, &_system, argc, argv, ShowHelp);

 
    // see if we are in simulate mode
    CheckSimulateMode(CmdL);
 
    // see if we are in simulate mode
    CheckSimulateMode(CmdL);