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authorMichael Vogt <mvo@debian.org>2013-08-17 10:07:20 +0200
committerMichael Vogt <mvo@debian.org>2013-08-17 10:07:20 +0200
commit1afd369d00f2f9272462ffc6c6e24f293a81459e (patch)
treec29c1671aceaf9055b6c89d1befab91fe375c32a /apt-private/private-cacheset.h
parent43ffe2d15bfff049d1ffe10c7696c008495f5912 (diff)
parentb44c98f9d80ac59f6602e16e6aedd3a8f9f9485a (diff)
Merge branch 'debian/sid' into debian/experimental
Conflicts: cmdline/apt-get.cc debian/changelog
Diffstat (limited to 'apt-private/private-cacheset.h')
-rw-r--r--apt-private/private-cacheset.h265
1 files changed, 265 insertions, 0 deletions
diff --git a/apt-private/private-cacheset.h b/apt-private/private-cacheset.h
new file mode 100644
index 000000000..15b531e9d
--- /dev/null
+++ b/apt-private/private-cacheset.h
@@ -0,0 +1,265 @@
+#ifndef APT_PRIVATE_CACHESET_H
+#define APT_PRIVATE_CACHESET_H
+
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/cacheset.h>
+#include <apt-pkg/sptr.h>
+
+#include <algorithm>
+#include <vector>
+
+#include "private-output.h"
+
+#include <apti18n.h>
+
+struct VersionSortDescriptionLocality
+{
+ bool operator () (const pkgCache::VerIterator &v_lhs,
+ const pkgCache::VerIterator &v_rhs)
+ {
+ pkgCache::DescFile *A = v_lhs.TranslatedDescription().FileList();
+ pkgCache::DescFile *B = v_rhs.TranslatedDescription().FileList();
+ if (A == 0 && B == 0)
+ return false;
+
+ if (A == 0)
+ return true;
+
+ if (B == 0)
+ return false;
+
+ if (A->File == B->File)
+ return A->Offset < B->Offset;
+
+ return A->File < B->File;
+ }
+};
+
+// sorted by locality which makes iterating much faster
+typedef APT::VersionContainer<
+ std::set<pkgCache::VerIterator,
+ VersionSortDescriptionLocality> > LocalitySortedVersionSet;
+
+class Matcher {
+public:
+ virtual bool operator () (const pkgCache::PkgIterator &P) {
+ return true;};
+};
+
+// FIXME: add default argument for OpProgress (or overloaded function)
+bool GetLocalitySortedVersionSet(pkgCacheFile &CacheFile,
+ LocalitySortedVersionSet &output_set,
+ Matcher &matcher,
+ OpProgress &progress);
+bool GetLocalitySortedVersionSet(pkgCacheFile &CacheFile,
+ LocalitySortedVersionSet &output_set,
+ OpProgress &progress);
+
+
+// CacheSetHelper saving virtual packages /*{{{*/
+class CacheSetHelperVirtuals: public APT::CacheSetHelper {
+public:
+ APT::PackageSet virtualPkgs;
+
+ virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
+ virtualPkgs.insert(Pkg);
+ return CacheSetHelper::canNotFindCandidateVer(Cache, Pkg);
+ }
+
+ virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
+ virtualPkgs.insert(Pkg);
+ return CacheSetHelper::canNotFindNewestVer(Cache, Pkg);
+ }
+
+ virtual void canNotFindAllVer(APT::VersionContainerInterface * vci, pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
+ virtualPkgs.insert(Pkg);
+ CacheSetHelper::canNotFindAllVer(vci, Cache, Pkg);
+ }
+
+ CacheSetHelperVirtuals(bool const ShowErrors = true, GlobalError::MsgType const &ErrorType = GlobalError::NOTICE) : CacheSetHelper(ShowErrors, ErrorType) {}
+};
+ /*}}}*/
+
+// CacheSetHelperAPTGet - responsible for message telling from the CacheSets/*{{{*/
+class CacheSetHelperAPTGet : public APT::CacheSetHelper {
+ /** \brief stream message should be printed to */
+ std::ostream &out;
+ /** \brief were things like Task or RegEx used to select packages? */
+ bool explicitlyNamed;
+
+ APT::PackageSet virtualPkgs;
+
+public:
+ std::list<std::pair<pkgCache::VerIterator, std::string> > selectedByRelease;
+
+ CacheSetHelperAPTGet(std::ostream &out) : APT::CacheSetHelper(true), out(out) {
+ explicitlyNamed = true;
+ }
+
+ virtual void showTaskSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) {
+ ioprintf(out, _("Note, selecting '%s' for task '%s'\n"),
+ Pkg.FullName(true).c_str(), pattern.c_str());
+ explicitlyNamed = false;
+ }
+ virtual void showRegExSelection(pkgCache::PkgIterator const &Pkg, std::string const &pattern) {
+ ioprintf(out, _("Note, selecting '%s' for regex '%s'\n"),
+ Pkg.FullName(true).c_str(), pattern.c_str());
+ explicitlyNamed = false;
+ }
+ virtual void showSelectedVersion(pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const Ver,
+ std::string const &ver, bool const verIsRel) {
+ if (ver == Ver.VerStr())
+ return;
+ selectedByRelease.push_back(make_pair(Ver, ver));
+ }
+
+ bool showVirtualPackageErrors(pkgCacheFile &Cache) {
+ if (virtualPkgs.empty() == true)
+ return true;
+ for (APT::PackageSet::const_iterator Pkg = virtualPkgs.begin();
+ Pkg != virtualPkgs.end(); ++Pkg) {
+ if (Pkg->ProvidesList != 0) {
+ ioprintf(c1out,_("Package %s is a virtual package provided by:\n"),
+ Pkg.FullName(true).c_str());
+
+ pkgCache::PrvIterator I = Pkg.ProvidesList();
+ unsigned short provider = 0;
+ for (; I.end() == false; ++I) {
+ pkgCache::PkgIterator Pkg = I.OwnerPkg();
+
+ if (Cache[Pkg].CandidateVerIter(Cache) == I.OwnerVer()) {
+ c1out << " " << Pkg.FullName(true) << " " << I.OwnerVer().VerStr();
+ if (Cache[Pkg].Install() == true && Cache[Pkg].NewInstall() == false)
+ c1out << _(" [Installed]");
+ c1out << std::endl;
+ ++provider;
+ }
+ }
+ // if we found no candidate which provide this package, show non-candidates
+ if (provider == 0)
+ for (I = Pkg.ProvidesList(); I.end() == false; ++I)
+ c1out << " " << I.OwnerPkg().FullName(true) << " " << I.OwnerVer().VerStr()
+ << _(" [Not candidate version]") << std::endl;
+ else
+ out << _("You should explicitly select one to install.") << std::endl;
+ } else {
+ ioprintf(c1out,
+ _("Package %s is not available, but is referred to by another package.\n"
+ "This may mean that the package is missing, has been obsoleted, or\n"
+ "is only available from another source\n"),Pkg.FullName(true).c_str());
+
+ std::string List;
+ std::string VersionsList;
+ SPtrArray<bool> Seen = new bool[Cache.GetPkgCache()->Head().PackageCount];
+ memset(Seen,0,Cache.GetPkgCache()->Head().PackageCount*sizeof(*Seen));
+ for (pkgCache::DepIterator Dep = Pkg.RevDependsList();
+ Dep.end() == false; ++Dep) {
+ if (Dep->Type != pkgCache::Dep::Replaces)
+ continue;
+ if (Seen[Dep.ParentPkg()->ID] == true)
+ continue;
+ Seen[Dep.ParentPkg()->ID] = true;
+ List += Dep.ParentPkg().FullName(true) + " ";
+ //VersionsList += std::string(Dep.ParentPkg().CurVersion) + "\n"; ???
+ }
+ ShowList(c1out,_("However the following packages replace it:"),List,VersionsList);
+ }
+ c1out << std::endl;
+ }
+ return false;
+ }
+
+ virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
+ APT::VersionSet const verset = tryVirtualPackage(Cache, Pkg, APT::VersionSet::CANDIDATE);
+ if (verset.empty() == false)
+ return *(verset.begin());
+ else if (ShowError == true) {
+ _error->Error(_("Package '%s' has no installation candidate"),Pkg.FullName(true).c_str());
+ virtualPkgs.insert(Pkg);
+ }
+ return pkgCache::VerIterator(Cache, 0);
+ }
+
+ virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg) {
+ if (Pkg->ProvidesList != 0)
+ {
+ APT::VersionSet const verset = tryVirtualPackage(Cache, Pkg, APT::VersionSet::NEWEST);
+ if (verset.empty() == false)
+ return *(verset.begin());
+ if (ShowError == true)
+ ioprintf(out, _("Virtual packages like '%s' can't be removed\n"), Pkg.FullName(true).c_str());
+ }
+ else
+ {
+ pkgCache::GrpIterator Grp = Pkg.Group();
+ pkgCache::PkgIterator P = Grp.PackageList();
+ for (; P.end() != true; P = Grp.NextPkg(P))
+ {
+ if (P == Pkg)
+ continue;
+ if (P->CurrentVer != 0) {
+ // TRANSLATORS: Note, this is not an interactive question
+ ioprintf(c1out,_("Package '%s' is not installed, so not removed. Did you mean '%s'?\n"),
+ Pkg.FullName(true).c_str(), P.FullName(true).c_str());
+ break;
+ }
+ }
+ if (P.end() == true)
+ ioprintf(c1out,_("Package '%s' is not installed, so not removed\n"),Pkg.FullName(true).c_str());
+ }
+ return pkgCache::VerIterator(Cache, 0);
+ }
+
+ APT::VersionSet tryVirtualPackage(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg,
+ APT::VersionSet::Version const &select) {
+ /* This is a pure virtual package and there is a single available
+ candidate providing it. */
+ if (unlikely(Cache[Pkg].CandidateVer != 0) || Pkg->ProvidesList == 0)
+ return APT::VersionSet();
+
+ pkgCache::PkgIterator Prov;
+ bool found_one = false;
+ for (pkgCache::PrvIterator P = Pkg.ProvidesList(); P; ++P) {
+ pkgCache::VerIterator const PVer = P.OwnerVer();
+ pkgCache::PkgIterator const PPkg = PVer.ParentPkg();
+
+ /* Ignore versions that are not a candidate. */
+ if (Cache[PPkg].CandidateVer != PVer)
+ continue;
+
+ if (found_one == false) {
+ Prov = PPkg;
+ found_one = true;
+ } else if (PPkg != Prov) {
+ // same group, so it's a foreign package
+ if (PPkg->Group == Prov->Group) {
+ // do we already have the requested arch?
+ if (strcmp(Pkg.Arch(), Prov.Arch()) == 0 ||
+ strcmp(Prov.Arch(), "all") == 0 ||
+ unlikely(strcmp(PPkg.Arch(), Prov.Arch()) == 0)) // packages have only on candidate, but just to be sure
+ continue;
+ // see which architecture we prefer more and switch to it
+ std::vector<std::string> archs = APT::Configuration::getArchitectures();
+ if (std::find(archs.begin(), archs.end(), PPkg.Arch()) < std::find(archs.begin(), archs.end(), Prov.Arch()))
+ Prov = PPkg;
+ continue;
+ }
+ found_one = false; // we found at least two
+ break;
+ }
+ }
+
+ if (found_one == true) {
+ ioprintf(out, _("Note, selecting '%s' instead of '%s'\n"),
+ Prov.FullName(true).c_str(), Pkg.FullName(true).c_str());
+ return APT::VersionSet::FromPackage(Cache, Prov, select, *this);
+ }
+ return APT::VersionSet();
+ }
+
+ inline bool allPkgNamedExplicitly() const { return explicitlyNamed; }
+
+};
+ /*}}}*/
+
+#endif