+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(new pkgAcqChangelog::Private()), SrcName(Ver.SourcePkgName()), SrcVersion(Ver.SourceVerStr())
+{
+ Desc.URI = URI(Ver);
+ Init(DestDir, DestFilename);
+}
+// some parameters are char* here as they come likely from char* interfaces – which can also return NULL
+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(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(new pkgAcqChangelog::Private()), SrcName(SrcName), SrcVersion(SrcVersion)
+{
+ Desc.URI = URI;
+ Init(DestDir, DestFilename);
+}
+void pkgAcqChangelog::Init(std::string const &DestDir, std::string const &DestFilename)
+{
+ if (Desc.URI.empty())
+ {
+ Status = StatError;
+ // TRANSLATOR: %s=%s is sourcename=sourceversion, e.g. apt=1.1
+ strprintf(ErrorText, _("Changelog unavailable for %s=%s"), SrcName.c_str(), SrcVersion.c_str());
+ // Let the error message print something sensible rather than "Failed to fetch /"
+ if (DestFilename.empty())
+ DestFile = SrcName + ".changelog";
+ else
+ DestFile = DestFilename;
+ Desc.URI = "changelog:/" + DestFile;
+ return;
+ }
+
+ 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)
+ {
+ d->FinalFile = flCombine(DestDir, DestFileName);
+ if (RealFileExists(d->FinalFile))
+ {
+ 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);
+ }
+ }
+ }
+
+ Desc.ShortDesc = "Changelog";
+ strprintf(Desc.Description, "%s %s %s Changelog", URI::SiteOnly(Desc.URI).c_str(), SrcName.c_str(), SrcVersion.c_str());
+ Desc.Owner = this;
+ QueueURI(Desc);
+}
+ /*}}}*/
+std::string pkgAcqChangelog::URI(pkgCache::VerIterator const &Ver) /*{{{*/
+{
+ std::string const confOnline = "Acquire::Changelogs::AlwaysOnline";
+ bool AlwaysOnline = _config->FindB(confOnline, false);
+ if (AlwaysOnline == false)
+ for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; ++VF)
+ {
+ pkgCache::PkgFileIterator const PF = VF.File();
+ if (PF.Flagged(pkgCache::Flag::NotSource) || PF->Release == 0)
+ continue;
+ pkgCache::RlsFileIterator const RF = PF.ReleaseFile();
+ if (RF->Origin != 0 && _config->FindB(confOnline + "::Origin::" + RF.Origin(), false))
+ {
+ AlwaysOnline = true;
+ break;
+ }
+ }
+ if (AlwaysOnline == false)
+ {
+ pkgCache::PkgIterator const Pkg = Ver.ParentPkg();
+ if (Pkg->CurrentVer != 0 && Pkg.CurrentVer() == Ver)
+ {
+ std::string const basename = std::string("/usr/share/doc/") + Pkg.Name() + "/changelog";
+ std::string const debianname = basename + ".Debian";
+ if (FileExists(debianname))
+ return "copy://" + debianname;
+ else if (FileExists(debianname + ".gz"))
+ return "gzip://" + debianname + ".gz";
+ else if (FileExists(basename))
+ return "copy://" + basename;
+ else if (FileExists(basename + ".gz"))
+ return "gzip://" + basename + ".gz";
+ }
+ }
+
+ char const * const SrcName = Ver.SourcePkgName();
+ char const * const SrcVersion = Ver.SourceVerStr();
+ // find the first source for this version which promises a changelog
+ for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; ++VF)
+ {
+ pkgCache::PkgFileIterator const PF = VF.File();
+ if (PF.Flagged(pkgCache::Flag::NotSource) || PF->Release == 0)
+ continue;
+ pkgCache::RlsFileIterator const RF = PF.ReleaseFile();
+ std::string const uri = URI(RF, PF.Component(), SrcName, SrcVersion);
+ if (uri.empty())
+ continue;
+ return uri;
+ }
+ return "";
+}
+std::string pkgAcqChangelog::URITemplate(pkgCache::RlsFileIterator const &Rls)
+{
+ if (Rls.end() == true || (Rls->Label == 0 && Rls->Origin == 0))
+ return "";
+ std::string const serverConfig = "Acquire::Changelogs::URI";
+ std::string server;
+#define APT_EMPTY_SERVER \
+ if (server.empty() == false) \
+ { \
+ if (server != "no") \
+ return server; \
+ return ""; \
+ }
+#define APT_CHECK_SERVER(X, Y) \
+ if (Rls->X != 0) \
+ { \
+ std::string const specialServerConfig = serverConfig + "::" + Y + #X + "::" + Rls.X(); \
+ server = _config->Find(specialServerConfig); \
+ APT_EMPTY_SERVER \
+ }
+ // this way e.g. Debian-Security can fallback to Debian
+ APT_CHECK_SERVER(Label, "Override::")
+ APT_CHECK_SERVER(Origin, "Override::")
+
+ if (RealFileExists(Rls.FileName()))
+ {
+ _error->PushToStack();
+ FileFd rf;
+ /* This can be costly. A caller wanting to get millions of URIs might
+ want to do this on its own once and use Override settings.
+ We don't do this here as Origin/Label are not as unique as they
+ should be so this could produce request order-dependent anomalies */
+ if (OpenMaybeClearSignedFile(Rls.FileName(), rf) == true)
+ {
+ pkgTagFile TagFile(&rf, rf.Size());
+ pkgTagSection Section;
+ if (TagFile.Step(Section) == true)
+ server = Section.FindS("Changelogs");
+ }
+ _error->RevertToStack();
+ APT_EMPTY_SERVER
+ }
+
+ APT_CHECK_SERVER(Label, "")
+ APT_CHECK_SERVER(Origin, "")
+#undef APT_CHECK_SERVER
+#undef APT_EMPTY_SERVER
+ return "";
+}
+std::string pkgAcqChangelog::URI(pkgCache::RlsFileIterator const &Rls,
+ char const * const Component, char const * const SrcName,
+ char const * const SrcVersion)
+{
+ return URI(URITemplate(Rls), Component, SrcName, SrcVersion);
+}
+std::string pkgAcqChangelog::URI(std::string const &Template,
+ char const * const Component, char const * const SrcName,
+ char const * const SrcVersion)
+{
+ if (Template.find("@CHANGEPATH@") == std::string::npos)
+ return "";
+
+ // the path is: COMPONENT/SRC/SRCNAME/SRCNAME_SRCVER, e.g. main/a/apt/1.1 or contrib/liba/libapt/2.0
+ std::string Src = SrcName;
+ std::string path = APT::String::Startswith(SrcName, "lib") ? Src.substr(0, 4) : Src.substr(0,1);
+ path.append("/").append(Src).append("/");
+ path.append(Src).append("_").append(StripEpoch(SrcVersion));
+ // we omit component for releases without one (= flat-style repositories)
+ if (Component != NULL && strlen(Component) != 0)
+ path = std::string(Component) + "/" + path;
+
+ return SubstVar(Template, "@CHANGEPATH@", path);
+}
+ /*}}}*/
+// AcqChangelog::Failed - Failure handler /*{{{*/
+void pkgAcqChangelog::Failed(string const &Message, pkgAcquire::MethodConfig const * const Cnf)
+{
+ Item::Failed(Message,Cnf);
+
+ std::string errText;
+ // TRANSLATOR: %s=%s is sourcename=sourceversion, e.g. apt=1.1
+ strprintf(errText, _("Changelog unavailable for %s=%s"), SrcName.c_str(), SrcVersion.c_str());
+
+ // Error is probably something techy like 404 Not Found
+ if (ErrorText.empty())
+ ErrorText = errText;
+ else
+ ErrorText = errText + " (" + ErrorText + ")";
+}
+ /*}}}*/
+// AcqChangelog::Done - Item downloaded OK /*{{{*/
+void pkgAcqChangelog::Done(string const &Message,HashStringList const &CalcHashes,
+ 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;
+}
+ /*}}}*/
+pkgAcqChangelog::~pkgAcqChangelog() /*{{{*/
+{
+ if (TemporaryDirectory.empty() == false)
+ {
+ RemoveFile("~pkgAcqChangelog", DestFile);
+ rmdir(TemporaryDirectory.c_str());
+ }
+ delete d;
+}
+ /*}}}*/
projects / apt.git / blobdiff