#include <stdio.h>
#include <ctime>
#include <sstream>
+#include <numeric>
#include <apti18n.h>
/*}}}*/
using namespace std;
-static void printHashSumComparision(std::string const &URI, HashStringList const &Expected, HashStringList const &Actual) /*{{{*/
+static void printHashSumComparison(std::string const &URI, HashStringList const &Expected, HashStringList const &Actual) /*{{{*/
{
if (_config->FindB("Debug::Acquire::HashSumMismatch", false) == false)
return;
APT_CONST bool pkgAcqIndexDiffs::HashesRequired() const
{
- /* We don't always have the diff of the downloaded pdiff file.
- What we have for sure is hashes for the uncompressed file,
- but rred uncompresses them on the fly while parsing, so not handled here.
- Hashes are (also) checked while searching for (next) patch to apply. */
+ /* We can't check hashes of rred result as we don't know what the
+ hash of the file will be. We just know the hash of the patch(es),
+ the hash of the file they will apply on and the hash of the resulting
+ file. */
if (State == StateFetchDiff)
- return available_patches[0].download_hashes.empty() == false;
+ return true;
return false;
}
HashStringList pkgAcqIndexDiffs::GetExpectedHashes() const
we can check the rred result after all patches are applied as
we know the expected result rather than potentially apply more patches */
if (State == StateFetchDiff)
- return patch.download_hashes.empty() == false;
+ return true;
return State == StateApplyDiff;
}
HashStringList pkgAcqIndexMergeDiffs::GetExpectedHashes() const
if (Debug == true)
{
std::clog << "pkgAcqDiffIndex: " << IndexDiffFile << ": Index has different hashes than parser, probably older, so fail pdiffing" << std::endl;
- printHashSumComparision(CurrentPackagesFile, ServerHashes, TargetFileHashes);
+ printHashSumComparison(CurrentPackagesFile, ServerHashes, TargetFileHashes);
}
return false;
}
return false;
}
+ for (auto const &patch: available_patches)
+ if (patch.result_hashes.usable() == false ||
+ patch.patch_hashes.usable() == false ||
+ patch.download_hashes.usable() == false)
+ {
+ if (Debug)
+ std::clog << "pkgAcqDiffIndex: " << IndexDiffFile << ": provides no usable hashes for " << patch.file
+ << " so fallback to complete download" << std::endl;
+ return false;
+ }
+
// patching with too many files is rather slow compared to a fast download
unsigned long const fileLimit = _config->FindI("Acquire::PDiffs::FileLimit", 0);
if (fileLimit != 0 && fileLimit < available_patches.size())
unsigned short const sizeLimitPercent = _config->FindI("Acquire::PDiffs::SizeLimit", 100);
if (sizeLimitPercent > 0 && TransactionManager->MetaIndexParser != nullptr)
{
- // compressed case
unsigned long long downloadSize = std::accumulate(available_patches.begin(),
available_patches.end(), 0llu, [](unsigned long long const T, DiffInfo const &I) {
return T + I.download_hashes.FileSize();
return false;
}
}
- // uncompressed case
- downloadSize = std::accumulate(available_patches.begin(),
- available_patches.end(), 0llu, [](unsigned long long const T, DiffInfo const &I) {
- return T + I.patch_hashes.FileSize();
- });
- if (downloadSize != 0)
- {
- unsigned long long const downloadSizeIdx = ServerSize;
- unsigned long long const sizeLimit = downloadSizeIdx * sizeLimitPercent;
- if ((sizeLimit/100) < downloadSize)
- {
- if (Debug)
- std::clog << "Need " << downloadSize << " uncompressed bytes (Limit is " << (sizeLimit/100) << ", "
- << "original is " << downloadSizeIdx << ") so fallback to complete download" << std::endl;
- return false;
- }
- }
}
// we have something, queue the diffs
Item::Done(Message, Hashes, Cnf);
+ if (std::any_of(allPatches->begin(), allPatches->end(),
+ [](pkgAcqIndexMergeDiffs const * const P) { return P->State == StateErrorDiff; }))
+ {
+ if(Debug)
+ std::clog << "Another patch failed already, no point in processing this one." << std::endl;
+ return;
+ }
+
std::string const UncompressedUnpatchedFile = GetPartialFileNameFromURI(Target.URI);
std::string const UnpatchedFile = GetExistingFilename(UncompressedUnpatchedFile);
+ if (UnpatchedFile.empty())
+ {
+ _error->Fatal("Unpatched file %s doesn't exist (anymore)!", UnpatchedFile.c_str());
+ return;
+ }
std::string const PatchFile = GetMergeDiffsPatchFileName(UnpatchedFile, patch.file);
std::string const PatchedFile = GetKeepCompressedFileName(UncompressedUnpatchedFile, Target);
pkgAcqArchive::~pkgAcqArchive() {}
// AcqChangelog::pkgAcqChangelog - Constructors /*{{{*/
+class pkgAcqChangelog::Private
+{
+ public:
+ std::string FinalFile;
+};
pkgAcqChangelog::pkgAcqChangelog(pkgAcquire * const Owner, pkgCache::VerIterator const &Ver,
std::string const &DestDir, std::string const &DestFilename) :
- pkgAcquire::Item(Owner), d(NULL), SrcName(Ver.SourcePkgName()), SrcVersion(Ver.SourceVerStr())
+ pkgAcquire::Item(Owner), d(new pkgAcqChangelog::Private()), SrcName(Ver.SourcePkgName()), SrcVersion(Ver.SourceVerStr())
{
Desc.URI = URI(Ver);
Init(DestDir, DestFilename);
pkgAcqChangelog::pkgAcqChangelog(pkgAcquire * const Owner, pkgCache::RlsFileIterator const &RlsFile,
char const * const Component, char const * const SrcName, char const * const SrcVersion,
const string &DestDir, const string &DestFilename) :
- pkgAcquire::Item(Owner), d(NULL), SrcName(SrcName), SrcVersion(SrcVersion)
+ pkgAcquire::Item(Owner), d(new pkgAcqChangelog::Private()), SrcName(SrcName), SrcVersion(SrcVersion)
{
Desc.URI = URI(RlsFile, Component, SrcName, SrcVersion);
Init(DestDir, DestFilename);
pkgAcqChangelog::pkgAcqChangelog(pkgAcquire * const Owner,
std::string const &URI, char const * const SrcName, char const * const SrcVersion,
const string &DestDir, const string &DestFilename) :
- pkgAcquire::Item(Owner), d(NULL), SrcName(SrcName), SrcVersion(SrcVersion)
+ pkgAcquire::Item(Owner), d(new pkgAcqChangelog::Private()), SrcName(SrcName), SrcVersion(SrcVersion)
{
Desc.URI = URI;
Init(DestDir, DestFilename);
return;
}
- if (DestDir.empty())
+ std::string DestFileName;
+ if (DestFilename.empty())
+ DestFileName = flCombine(DestFile, SrcName + ".changelog");
+ else
+ DestFileName = flCombine(DestFile, DestFilename);
+
+ std::string const SandboxUser = _config->Find("APT::Sandbox::User");
+ std::string const systemTemp = GetTempDir(SandboxUser);
+ char tmpname[1000];
+ snprintf(tmpname, sizeof(tmpname), "%s/apt-changelog-XXXXXX", systemTemp.c_str());
+ if (NULL == mkdtemp(tmpname))
+ {
+ _error->Errno("mkdtemp", "mkdtemp failed in changelog acquire of %s %s", SrcName.c_str(), SrcVersion.c_str());
+ Status = StatError;
+ return;
+ }
+ TemporaryDirectory = tmpname;
+
+ ChangeOwnerAndPermissionOfFile("Item::QueueURI", TemporaryDirectory.c_str(),
+ SandboxUser.c_str(), "root", 0700);
+
+ DestFile = flCombine(TemporaryDirectory, DestFileName);
+ if (DestDir.empty() == false)
{
- std::string const SandboxUser = _config->Find("APT::Sandbox::User");
- std::string const systemTemp = GetTempDir(SandboxUser);
- char tmpname[100];
- snprintf(tmpname, sizeof(tmpname), "%s/apt-changelog-XXXXXX", systemTemp.c_str());
- if (NULL == mkdtemp(tmpname))
+ d->FinalFile = flCombine(DestDir, DestFileName);
+ if (RealFileExists(d->FinalFile))
{
- _error->Errno("mkdtemp", "mkdtemp failed in changelog acquire of %s %s", SrcName.c_str(), SrcVersion.c_str());
- Status = StatError;
- return;
+ FileFd file1, file2;
+ if (file1.Open(DestFile, FileFd::WriteOnly | FileFd::Create | FileFd::Exclusive) &&
+ file2.Open(d->FinalFile, FileFd::ReadOnly) && CopyFile(file2, file1))
+ {
+ struct timeval times[2];
+ times[0].tv_sec = times[1].tv_sec = file2.ModificationTime();
+ times[0].tv_usec = times[1].tv_usec = 0;
+ utimes(DestFile.c_str(), times);
+ }
}
- DestFile = TemporaryDirectory = tmpname;
-
- ChangeOwnerAndPermissionOfFile("Item::QueueURI", DestFile.c_str(),
- SandboxUser.c_str(), "root", 0700);
}
- else
- DestFile = DestDir;
-
- if (DestFilename.empty())
- DestFile = flCombine(DestFile, SrcName + ".changelog");
- else
- DestFile = flCombine(DestFile, DestFilename);
Desc.ShortDesc = "Changelog";
strprintf(Desc.Description, "%s %s %s Changelog", URI::SiteOnly(Desc.URI).c_str(), SrcName.c_str(), SrcVersion.c_str());
ErrorText = errText;
else
ErrorText = errText + " (" + ErrorText + ")";
- return;
}
/*}}}*/
// AcqChangelog::Done - Item downloaded OK /*{{{*/
pkgAcquire::MethodConfig const * const Cnf)
{
Item::Done(Message,CalcHashes,Cnf);
+ if (d->FinalFile.empty() == false)
+ {
+ if (RemoveFile("pkgAcqChangelog::Done", d->FinalFile) == false ||
+ Rename(DestFile, d->FinalFile) == false)
+ Status = StatError;
+ }
Complete = true;
}
RemoveFile("~pkgAcqChangelog", DestFile);
rmdir(TemporaryDirectory.c_str());
}
+ delete d;
}
/*}}}*/