X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/e8184cc38f673a3d86be9268525cf259120c2a9e..e7c82918f3abfb49d794bbe697f8721f25333b77:/apt-pkg/acquire-item.cc?ds=sidebyside

diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 545a57d37..7bcdf285b 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -560,7 +560,7 @@ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner,
    Desc.Owner = this;
    Desc.ShortDesc = ShortDesc;
 
-   if(available_patches.size() == 0) 
+   if(available_patches.empty() == true)
    {
       // we are done (yeah!)
       Finish(true);
@@ -1289,7 +1289,14 @@ void pkgAcqMetaIndex::RetrievalDone(string Message)			/*{{{*/
       string FinalFile = _config->FindDir("Dir::State::lists");
       FinalFile += URItoFileName(RealURI);
       if (SigFile == DestFile)
+      {
 	 SigFile = FinalFile;
+	 // constructor of pkgAcqMetaClearSig moved it out of the way,
+	 // now move it back in on IMS hit for the 'old' file
+	 string const OldClearSig = DestFile + ".reverify";
+	 if (RealFileExists(OldClearSig) == true)
+	    Rename(OldClearSig, FinalFile);
+      }
       DestFile = FinalFile;
    }
    Complete = true;
@@ -1362,9 +1369,20 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)				/*{{{*/
    {
       HashString ExpectedIndexHash;
       const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey);
+      bool compressedAvailable = false;
       if (Record == NULL)
       {
-	 if (verify == true && (*Target)->IsOptional() == false)
+	 if ((*Target)->IsOptional() == true)
+	 {
+	    std::vector<std::string> types = APT::Configuration::getCompressionTypes();
+	    for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
+	       if (MetaIndexParser->Exists(string((*Target)->MetaKey).append(".").append(*t)) == true)
+	       {
+		  compressedAvailable = true;
+		  break;
+	       }
+	 }
+	 else if (verify == true)
 	 {
 	    Status = StatAuthError;
 	    strprintf(ErrorText, _("Unable to find expected entry '%s' in Release file (Wrong sources.list entry or malformed file)"), (*Target)->MetaKey.c_str());
@@ -1393,7 +1411,7 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify)				/*{{{*/
 	 if ((*Target)->IsSubIndex() == true)
 	    new pkgAcqSubIndex(Owner, (*Target)->URI, (*Target)->Description,
 				(*Target)->ShortDesc, ExpectedIndexHash);
-	 else if (transInRelease == false || MetaIndexParser->Exists((*Target)->MetaKey) == true)
+	 else if (transInRelease == false || Record != NULL || compressedAvailable == true)
 	 {
 	    if (_config->FindB("Acquire::PDiffs",true) == true && transInRelease == true &&
 		MetaIndexParser->Exists(string((*Target)->MetaKey).append(".diff/Index")) == true)
@@ -1503,22 +1521,19 @@ void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
    if (AuthPass == true)
    {
       // gpgv method failed, if we have a good signature 
-      string LastGoodSigFile = _config->FindDir("Dir::State::lists");
-      if (DestFile == SigFile)
-	 LastGoodSigFile.append(URItoFileName(RealURI));
-      else
-	 LastGoodSigFile.append("partial/").append(URItoFileName(RealURI)).append(".gpg.reverify");
+      string LastGoodSigFile = _config->FindDir("Dir::State::lists").append("partial/").append(URItoFileName(RealURI));
+      if (DestFile != SigFile)
+	 LastGoodSigFile.append(".gpg");
+      LastGoodSigFile.append(".reverify");
 
       if(FileExists(LastGoodSigFile))
       {
+	 string VerifiedSigFile = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
 	 if (DestFile != SigFile)
-	 {
-	    string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
-					URItoFileName(RealURI) + ".gpg";
-	    Rename(LastGoodSigFile,VerifiedSigFile);
-	 }
+	    VerifiedSigFile.append(".gpg");
+	 Rename(LastGoodSigFile, VerifiedSigFile);
 	 Status = StatTransientNetworkError;
-	 _error->Warning(_("A error occurred during the signature "
+	 _error->Warning(_("An error occurred during the signature "
 			   "verification. The repository is not updated "
 			   "and the previous index files will be used. "
 			   "GPG error: %s: %s\n"),
@@ -1577,6 +1592,15 @@ pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire *Owner,		/*{{{*/
 	MetaSigURI(MetaSigURI), MetaSigURIDesc(MetaSigURIDesc), MetaSigShortDesc(MetaSigShortDesc)
 {
    SigFile = DestFile;
+
+   // keep the old InRelease around in case of transistent network errors
+   string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
+   struct stat Buf;
+   if (stat(Final.c_str(),&Buf) == 0)
+   {
+      string const LastGoodSig = DestFile + ".reverify";
+      Rename(Final,LastGoodSig);
+   }
 }
 									/*}}}*/
 // pkgAcqMetaClearSig::Custom600Headers - Insert custom request headers	/*{{{*/
@@ -1589,7 +1613,11 @@ string pkgAcqMetaClearSig::Custom600Headers()
 
    struct stat Buf;
    if (stat(Final.c_str(),&Buf) != 0)
-      return "\nIndex-File: true\nFail-Ignore: true\n";
+   {
+      Final = DestFile + ".reverify";
+      if (stat(Final.c_str(),&Buf) != 0)
+	 return "\nIndex-File: true\nFail-Ignore: true\n";
+   }
 
    return "\nIndex-File: true\nFail-Ignore: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
 }
@@ -1643,7 +1671,7 @@ pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources,
       assumption here that all the available sources for this version share
       the same extension.. */
    // Skip not source sources, they do not have file fields.
-   for (; Vf.end() == false; Vf++)
+   for (; Vf.end() == false; ++Vf)
    {
       if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0)
 	 continue;
@@ -1730,7 +1758,7 @@ bool pkgAcqArchive::QueueNext()
       {
 	 if(stringcasecmp(ForceHash, "sha512") == 0)
 	    ExpectedHash = HashString("SHA512", Parse.SHA512Hash());
-	 if(stringcasecmp(ForceHash, "sha256") == 0)
+	 else if(stringcasecmp(ForceHash, "sha256") == 0)
 	    ExpectedHash = HashString("SHA256", Parse.SHA256Hash());
 	 else if (stringcasecmp(ForceHash, "sha1") == 0)
 	    ExpectedHash = HashString("SHA1", Parse.SHA1Hash());
@@ -1810,7 +1838,18 @@ bool pkgAcqArchive::QueueNext()
 	 else
 	    PartialSize = Buf.st_size;
       }
-      
+
+      // Disables download of archives - useful if no real installation follows,
+      // e.g. if we are just interested in proposed installation order
+      if (_config->FindB("Debug::pkgAcqArchive::NoQueue", false) == true)
+      {
+	 Complete = true;
+	 Local = true;
+	 Status = StatDone;
+	 StoreFilename = DestFile = FinalFile;
+	 return true;
+      }
+
       // Create the item
       Local = false;
       Desc.URI = Index->ArchiveURI(PkgFile);