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-rw-r--r--apt-pkg/acquire-item.cc218
1 files changed, 146 insertions, 72 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 4e9c435e1..f505531c1 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -32,6 +32,7 @@
#include <apt-pkg/pkgrecords.h>
#include <apt-pkg/gpgv.h>
+#include <algorithm>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
@@ -79,6 +80,21 @@ static std::string GetFinalFileNameFromURI(std::string const &uri) /*{{{*/
return _config->FindDir("Dir::State::lists") + URItoFileName(uri);
}
/*}}}*/
+static std::string GetKeepCompressedFileName(std::string file, IndexTarget const &Target)/*{{{*/
+{
+ if (Target.KeepCompressed == false)
+ return file;
+
+ std::string const CompressionTypes = Target.Option(IndexTarget::COMPRESSIONTYPES);
+ if (CompressionTypes.empty() == false)
+ {
+ std::string const ext = CompressionTypes.substr(0, CompressionTypes.find(' '));
+ if (ext != "uncompressed")
+ file.append(".").append(ext);
+ }
+ return file;
+}
+ /*}}}*/
static std::string GetCompressedFileName(IndexTarget const &Target, std::string const &Name, std::string const &Ext) /*{{{*/
{
if (Ext.empty() || Ext == "uncompressed")
@@ -107,6 +123,30 @@ static std::string GetDiffsPatchFileName(std::string const &Final) /*{{{*/
return Final + ".ed";
}
/*}}}*/
+static bool BootstrapPDiffWith(std::string const &PartialFile, std::string const &FinalFile, IndexTarget const &Target)/*{{{*/
+{
+ // patching needs to be bootstrapped with the 'old' version
+ std::vector<std::string> types = VectorizeString(Target.Option(IndexTarget::COMPRESSIONTYPES), ' ');
+ auto typeItr = types.cbegin();
+ for (; typeItr != types.cend(); ++typeItr)
+ {
+ std::string Final = FinalFile;
+ if (*typeItr != "uncompressed")
+ Final.append(".").append(*typeItr);
+ if (RealFileExists(Final) == false)
+ continue;
+ std::string Partial = PartialFile;
+ if (*typeItr != "uncompressed")
+ Partial.append(".").append(*typeItr);
+ if (FileExists(Partial.c_str()) == true)
+ return true;
+ if (symlink(Final.c_str(), Partial.c_str()) != 0)
+ return false;
+ break;
+ }
+ return typeItr != types.cend();
+}
+ /*}}}*/
static bool AllowInsecureRepositories(metaIndex const * const MetaIndexParser, pkgAcqMetaClearSig * const TransactionManager, pkgAcquire::Item * const I) /*{{{*/
{
@@ -399,6 +439,12 @@ class APT_HIDDEN NoActionItem : public pkgAcquire::Item /*{{{*/
Status = StatDone;
DestFile = GetFinalFileNameFromURI(Target.URI);
}
+ NoActionItem(pkgAcquire * const Owner, IndexTarget const &Target, std::string const &FinalFile) :
+ pkgAcquire::Item(Owner), Target(Target)
+ {
+ Status = StatDone;
+ DestFile = FinalFile;
+ }
};
/*}}}*/
@@ -953,7 +999,7 @@ void pkgAcqMetaBase::QueueIndexes(bool const verify) /*{{{*/
// at this point the real Items are loaded in the fetcher
ExpectedAdditionalItems = 0;
- for (std::vector <IndexTarget>::const_iterator Target = IndexTargets.begin();
+ for (std::vector <IndexTarget>::iterator Target = IndexTargets.begin();
Target != IndexTargets.end();
++Target)
{
@@ -971,34 +1017,84 @@ void pkgAcqMetaBase::QueueIndexes(bool const verify) /*{{{*/
return;
}
- if (RealFileExists(GetFinalFileNameFromURI(Target->URI)))
+ // autoselect the compression method
+ std::vector<std::string> types = VectorizeString(Target->Option(IndexTarget::COMPRESSIONTYPES), ' ');
+ types.erase(std::remove_if(types.begin(), types.end(), [&](std::string const &t) {
+ if (t == "uncompressed")
+ return TransactionManager->MetaIndexParser->Exists(Target->MetaKey) == false;
+ std::string const MetaKey = Target->MetaKey + "." + t;
+ return TransactionManager->MetaIndexParser->Exists(MetaKey) == false;
+ }), types.end());
+ if (types.empty() == false)
{
- if (TransactionManager->LastMetaIndexParser != NULL)
+ std::ostringstream os;
+ std::copy(types.begin(), types.end()-1, std::ostream_iterator<std::string>(os, " "));
+ os << *types.rbegin();
+ Target->Options["COMPRESSIONTYPES"] = os.str();
+ }
+ else
+ Target->Options["COMPRESSIONTYPES"].clear();
+
+ std::string filename = GetFinalFileNameFromURI(Target->URI);
+ if (RealFileExists(filename) == false)
+ {
+ if (Target->KeepCompressed)
{
- HashStringList const newFile = GetExpectedHashesFromFor(TransactionManager->MetaIndexParser, Target->MetaKey);
- HashStringList const oldFile = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target->MetaKey);
- if (newFile == oldFile)
- {
- // we have the file already, no point in trying to acquire it again
- new NoActionItem(Owner, *Target);
- continue;
- }
+ filename = GetKeepCompressedFileName(filename, *Target);
+ if (RealFileExists(filename) == false)
+ filename.clear();
}
- else if (TransactionManager->IMSHit == true)
+ else
+ filename.clear();
+ }
+
+ if (filename.empty() == false)
+ {
+ // if the Release file is a hit and we have an index it must be the current one
+ if (TransactionManager->IMSHit == true)
+ ;
+ else if (TransactionManager->LastMetaIndexParser != NULL)
{
- // we have the file already, no point in trying to acquire it again
- new NoActionItem(Owner, *Target);
- continue;
+ // see if the file changed since the last Release file
+ // we use the uncompressed files as we might compress differently compared to the server,
+ // so the hashes might not match, even if they contain the same data.
+ HashStringList const newFile = GetExpectedHashesFromFor(TransactionManager->MetaIndexParser, Target->MetaKey);
+ HashStringList const oldFile = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target->MetaKey);
+ if (newFile != oldFile)
+ filename.clear();
}
+ else
+ filename.clear();
}
else
trypdiff = false; // no file to patch
+ if (filename.empty() == false)
+ {
+ new NoActionItem(Owner, *Target, filename);
+ continue;
+ }
+
// check if we have patches available
trypdiff &= TransactionManager->MetaIndexParser->Exists(Target->MetaKey + ".diff/Index");
}
- // if we have no file to patch, no point in trying
- trypdiff &= RealFileExists(GetFinalFileNameFromURI(Target->URI));
+ else
+ {
+ // if we have no file to patch, no point in trying
+ std::string filename = GetFinalFileNameFromURI(Target->URI);
+ if (RealFileExists(filename) == false)
+ {
+ if (Target->KeepCompressed)
+ {
+ filename = GetKeepCompressedFileName(filename, *Target);
+ if (RealFileExists(filename) == false)
+ filename.clear();
+ }
+ else
+ filename.clear();
+ }
+ trypdiff &= (filename.empty() == false);
+ }
// no point in patching from local sources
if (trypdiff)
@@ -1658,7 +1754,7 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/
LocalHashes = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target.MetaKey);
if (LocalHashes.usable() == false)
{
- FileFd fd(CurrentPackagesFile, FileFd::ReadOnly);
+ FileFd fd(CurrentPackagesFile, FileFd::ReadOnly, FileFd::Auto);
Hashes LocalHashesCalc(ServerHashes);
LocalHashesCalc.AddFD(fd);
LocalHashes = LocalHashesCalc.GetHashStringList();
@@ -1961,7 +2057,7 @@ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire * const Owner,
: pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL),
available_patches(diffs)
{
- DestFile = GetPartialFileNameFromURI(Target.URI);
+ DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
@@ -1972,20 +2068,15 @@ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire * const Owner,
if(available_patches.empty() == true)
{
// we are done (yeah!), check hashes against the final file
- DestFile = GetFinalFileNameFromURI(Target.URI);
+ DestFile = GetKeepCompressedFileName(GetFinalFileNameFromURI(Target.URI), Target);
Finish(true);
}
else
{
- // patching needs to be bootstrapped with the 'old' version
- std::string const PartialFile = GetPartialFileNameFromURI(Target.URI);
- if (RealFileExists(PartialFile) == false)
+ if (BootstrapPDiffWith(GetPartialFileNameFromURI(Target.URI), GetFinalFilename(), Target) == false)
{
- if (symlink(GetFinalFilename().c_str(), PartialFile.c_str()) != 0)
- {
- Failed("Link creation of " + PartialFile + " to " + GetFinalFilename() + " failed", NULL);
- return;
- }
+ Failed("Bootstrapping of " + DestFile + " failed", NULL);
+ return;
}
// get the next diff
@@ -1999,10 +2090,10 @@ void pkgAcqIndexDiffs::Failed(string const &Message,pkgAcquire::MethodConfig con
Item::Failed(Message,Cnf);
Status = StatDone;
+ DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
if(Debug)
std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << " with " << Message << std::endl
- << "Falling back to normal index file acquire" << std::endl;
- DestFile = GetPartialFileNameFromURI(Target.URI);
+ << "Falling back to normal index file acquire " << std::endl;
RenameOnError(PDiffError);
std::string const patchname = GetDiffsPatchFileName(DestFile);
if (RealFileExists(patchname))
@@ -2023,7 +2114,14 @@ void pkgAcqIndexDiffs::Finish(bool allDone)
// the file will be cleaned
if(allDone)
{
- TransactionManager->TransactionStageCopy(this, DestFile, GetFinalFilename());
+ std::string Final = GetFinalFilename();
+ if (Target.KeepCompressed)
+ {
+ std::string const ext = flExtension(DestFile);
+ if (ext.empty() == false)
+ Final.append(".").append(ext);
+ }
+ TransactionManager->TransactionStageCopy(this, DestFile, Final);
// this is for the "real" finish
Complete = true;
@@ -2033,6 +2131,8 @@ void pkgAcqIndexDiffs::Finish(bool allDone)
std::clog << "\n\nallDone: " << DestFile << "\n" << std::endl;
return;
}
+ else
+ DestFile.clear();
if(Debug)
std::clog << "Finishing: " << Desc.URI << std::endl;
@@ -2045,15 +2145,14 @@ void pkgAcqIndexDiffs::Finish(bool allDone)
bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/
{
// calc sha1 of the just patched file
- std::string const FinalFile = GetPartialFileNameFromURI(Target.URI);
-
+ std::string const FinalFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
if(!FileExists(FinalFile))
{
Failed("Message: No FinalFile " + FinalFile + " available", NULL);
return false;
}
- FileFd fd(FinalFile, FileFd::ReadOnly);
+ FileFd fd(FinalFile, FileFd::ReadOnly, FileFd::Extension);
Hashes LocalHashesCalc;
LocalHashesCalc.AddFD(fd);
HashStringList const LocalHashes = LocalHashesCalc.GetHashStringList();
@@ -2097,7 +2196,7 @@ bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/
// queue the right diff
Desc.URI = Target.URI + ".diff/" + available_patches[0].file + ".gz";
Desc.Description = Description + " " + available_patches[0].file + string(".pdiff");
- DestFile = GetPartialFileNameFromURI(Target.URI + ".diff/" + available_patches[0].file);
+ DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI + ".diff/" + available_patches[0].file), Target);
if(Debug)
std::clog << "pkgAcqIndexDiffs::QueueNextDiff(): " << Desc.URI << std::endl;
@@ -2115,7 +2214,7 @@ void pkgAcqIndexDiffs::Done(string const &Message, HashStringList const &Hashes,
Item::Done(Message, Hashes, Cnf);
- std::string const FinalFile = GetPartialFileNameFromURI(Target.URI);
+ std::string const FinalFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
std::string const PatchFile = GetDiffsPatchFileName(FinalFile);
// success in downloading a diff, enter ApplyDiff state
@@ -2194,7 +2293,7 @@ pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire * const Owner,
Desc.URI = Target.URI + ".diff/" + patch.file + ".gz";
Desc.Description = Description + " " + patch.file + string(".pdiff");
- DestFile = GetPartialFileNameFromURI(Target.URI + ".diff/" + patch.file);
+ DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI + ".diff/" + patch.file), Target);
if(Debug)
std::clog << "pkgAcqIndexMergeDiffs: " << Desc.URI << std::endl;
@@ -2221,12 +2320,13 @@ void pkgAcqIndexMergeDiffs::Failed(string const &Message,pkgAcquire::MethodConfi
State = StateErrorDiff;
if (Debug)
std::clog << "Falling back to normal index file acquire" << std::endl;
- DestFile = GetPartialFileNameFromURI(Target.URI);
+ DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
RenameOnError(PDiffError);
std::string const patchname = GetMergeDiffsPatchFileName(DestFile, patch.file);
if (RealFileExists(patchname))
rename(patchname.c_str(), std::string(patchname + ".FAILED").c_str());
new pkgAcqIndex(Owner, TransactionManager, Target);
+ DestFile.clear();
}
/*}}}*/
void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Hashes, /*{{{*/
@@ -2237,7 +2337,8 @@ void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Ha
Item::Done(Message, Hashes, Cnf);
- string const FinalFile = GetPartialFileNameFromURI(Target.URI);
+ std::string const UncompressedFinalFile = GetPartialFileNameFromURI(Target.URI);
+ std::string const FinalFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
if (State == StateFetchDiff)
{
Rename(DestFile, GetMergeDiffsPatchFileName(FinalFile, patch.file));
@@ -2256,10 +2357,9 @@ void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Ha
// this is the last completed diff, so we are ready to apply now
State = StateApplyDiff;
- // patching needs to be bootstrapped with the 'old' version
- if (symlink(GetFinalFilename().c_str(), FinalFile.c_str()) != 0)
+ if (BootstrapPDiffWith(UncompressedFinalFile, GetFinalFilename(), Target) == false)
{
- Failed("Link creation of " + FinalFile + " to " + GetFinalFilename() + " failed", NULL);
+ Failed("Bootstrapping of " + DestFile + " failed", NULL);
return;
}
@@ -2276,7 +2376,7 @@ void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Ha
else if (State == StateApplyDiff)
{
// move the result into place
- std::string const Final = GetFinalFilename();
+ std::string const Final = GetKeepCompressedFileName(GetFinalFilename(), Target);
if(Debug)
std::clog << "Queue patched file in place: " << std::endl
<< DestFile << " -> " << Final << std::endl;
@@ -2288,7 +2388,7 @@ void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Ha
for (std::vector<pkgAcqIndexMergeDiffs *>::const_iterator I = allPatches->begin();
I != allPatches->end(); ++I)
{
- std::string const PartialFile = GetPartialFileNameFromURI(Target.URI);
+ std::string const PartialFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
std::string const patch = GetMergeDiffsPatchFileName(PartialFile, (*I)->patch.file);
unlink(patch.c_str());
}
@@ -2325,10 +2425,9 @@ pkgAcqIndexMergeDiffs::~pkgAcqIndexMergeDiffs() {}
pkgAcqIndex::pkgAcqIndex(pkgAcquire * const Owner,
pkgAcqMetaClearSig * const TransactionManager,
IndexTarget const &Target)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), Stage(STAGE_DOWNLOAD)
+ : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), Stage(STAGE_DOWNLOAD),
+ CompressionExtensions(Target.Option(IndexTarget::COMPRESSIONTYPES))
{
- // autoselect the compression method
- AutoSelectCompression();
Init(Target.URI, Target.Description, Target.ShortDesc);
if(_config->FindB("Debug::Acquire::Transaction", false) == true)
@@ -2336,31 +2435,6 @@ pkgAcqIndex::pkgAcqIndex(pkgAcquire * const Owner,
<< TransactionManager << std::endl;
}
/*}}}*/
-// AcqIndex::AutoSelectCompression - Select compression /*{{{*/
-void pkgAcqIndex::AutoSelectCompression()
-{
- std::vector<std::string> types = APT::Configuration::getCompressionTypes();
- CompressionExtensions = "";
- if (TransactionManager->MetaIndexParser != NULL && TransactionManager->MetaIndexParser->Exists(Target.MetaKey))
- {
- for (std::vector<std::string>::const_iterator t = types.begin();
- t != types.end(); ++t)
- {
- std::string CompressedMetaKey = string(Target.MetaKey).append(".").append(*t);
- if (*t == "uncompressed" ||
- TransactionManager->MetaIndexParser->Exists(CompressedMetaKey) == true)
- CompressionExtensions.append(*t).append(" ");
- }
- }
- else
- {
- for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
- CompressionExtensions.append(*t).append(" ");
- }
- if (CompressionExtensions.empty() == false)
- CompressionExtensions.erase(CompressionExtensions.end()-1);
-}
- /*}}}*/
// AcqIndex::Init - defered Constructor /*{{{*/
void pkgAcqIndex::Init(string const &URI, string const &URIDesc,
string const &ShortDesc)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-10 21:56:23 +0000