From 21d4c9f192b5af9c8edb39356712aac853881348 Mon Sep 17 00:00:00 2001
From: David Kalnischkies <kalnischkies@gmail.com>
Date: Sat, 3 Jul 2010 23:55:12 +0200
Subject: [PATCH] reorder classes a bit and make TryToInstallBuildDep use them
---
cmdline/apt-get.cc | 610 +++++++++++++++++++--------------------------
1 file changed, 250 insertions(+), 360 deletions(-)
diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index d17300943..38b93e7e5 100644
--- a/cmdline/apt-get.cc
+++ b/cmdline/apt-get.cc
@@ -609,6 +609,240 @@ void Stats(ostream &out,pkgDepCache &Dep)
Dep.BadCount());
}
/*}}}*/
+// 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:
+ CacheSetHelperAPTGet(std::ostream &out) : APT::CacheSetHelper(true), out(out) {
+ explicitlyNamed = true;
+ }
+
+ virtual void showTaskSelection(APT::PackageSet const &pkgset, string const &pattern) {
+ for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
+ ioprintf(out, _("Note, selecting '%s' for task '%s'\n"),
+ Pkg.FullName(true).c_str(), pattern.c_str());
+ explicitlyNamed = false;
+ }
+ virtual void showRegExSelection(APT::PackageSet const &pkgset, string const &pattern) {
+ for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
+ 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,
+ string const &ver, bool const &verIsRel) {
+ if (ver != Ver.VerStr())
+ ioprintf(out, _("Selected version '%s' (%s) for '%s'\n"),
+ Ver.VerStr(), Ver.RelStr().c_str(), Pkg.FullName(true).c_str());
+ }
+
+ 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()) {
+ out << " " << Pkg.FullName(true) << " " << I.OwnerVer().VerStr();
+ if (Cache[Pkg].Install() == true && Cache[Pkg].NewInstall() == false)
+ out << _(" [Installed]");
+ out << 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++)
+ out << " " << I.OwnerPkg().FullName(true) << " " << I.OwnerVer().VerStr()
+ << _(" [Not candidate version]") << endl;
+ else
+ out << _("You should explicitly select one to install.") << endl;
+ } else {
+ ioprintf(out,
+ _("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());
+
+ string List;
+ 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 += string(Dep.ParentPkg().CurVersion) + "\n"; ???
+ }
+ ShowList(out,_("However the following packages replace it:"),List,VersionsList);
+ }
+ out << 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());
+ 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) {
+ 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());
+ 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) {
+ 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; }
+
+};
+ /*}}}*/
+// TryToInstall - Mark a package for installation /*{{{*/
+struct TryToInstall {
+ pkgCacheFile* Cache;
+ pkgProblemResolver* Fix;
+ bool FixBroken;
+ unsigned long AutoMarkChanged;
+
+ TryToInstall(pkgCacheFile &Cache, pkgProblemResolver &PM, bool const &FixBroken) : Cache(&Cache), Fix(&PM),
+ FixBroken(FixBroken), AutoMarkChanged(0) {};
+
+ void operator() (pkgCache::VerIterator const &Ver) {
+ pkgCache::PkgIterator Pkg = Ver.ParentPkg();
+ Cache->GetDepCache()->SetCandidateVersion(Ver);
+ pkgDepCache::StateCache &State = (*Cache)[Pkg];
+
+ // Handle the no-upgrade case
+ if (_config->FindB("APT::Get::upgrade",true) == false && Pkg->CurrentVer != 0)
+ ioprintf(c1out,_("Skipping %s, it is already installed and upgrade is not set.\n"),
+ Pkg.FullName(true).c_str());
+ // Ignore request for install if package would be new
+ else if (_config->FindB("APT::Get::Only-Upgrade", false) == true && Pkg->CurrentVer == 0)
+ ioprintf(c1out,_("Skipping %s, it is not installed and only upgrades are requested.\n"),
+ Pkg.FullName(true).c_str());
+ else {
+ Fix->Clear(Pkg);
+ Fix->Protect(Pkg);
+ Cache->GetDepCache()->MarkInstall(Pkg,false);
+
+ if (State.Install() == false) {
+ if (_config->FindB("APT::Get::ReInstall",false) == true) {
+ if (Pkg->CurrentVer == 0 || Pkg.CurrentVer().Downloadable() == false)
+ ioprintf(c1out,_("Reinstallation of %s is not possible, it cannot be downloaded.\n"),
+ Pkg.FullName(true).c_str());
+ else
+ Cache->GetDepCache()->SetReInstall(Pkg, true);
+ } else
+ ioprintf(c1out,_("%s is already the newest version.\n"),
+ Pkg.FullName(true).c_str());
+ }
+
+ // Install it with autoinstalling enabled (if we not respect the minial
+ // required deps or the policy)
+ if ((State.InstBroken() == true || State.InstPolicyBroken() == true) && FixBroken == false)
+ Cache->GetDepCache()->MarkInstall(Pkg,true);
+ }
+
+ // see if we need to fix the auto-mark flag
+ // e.g. apt-get install foo
+ // where foo is marked automatic
+ if (State.Install() == false &&
+ (State.Flags & pkgCache::Flag::Auto) &&
+ _config->FindB("APT::Get::ReInstall",false) == false &&
+ _config->FindB("APT::Get::Only-Upgrade",false) == false &&
+ _config->FindB("APT::Get::Download-Only",false) == false)
+ {
+ ioprintf(c1out,_("%s set to manually installed.\n"),
+ Pkg.FullName(true).c_str());
+ Cache->GetDepCache()->MarkAuto(Pkg,false);
+ AutoMarkChanged++;
+ }
+ }
+};
+ /*}}}*/
+// TryToRemove - Mark a package for removal /*{{{*/
+struct TryToRemove {
+ pkgCacheFile* Cache;
+ pkgProblemResolver* Fix;
+ bool FixBroken;
+ unsigned long AutoMarkChanged;
+
+ TryToRemove(pkgCacheFile &Cache, pkgProblemResolver &PM) : Cache(&Cache), Fix(&PM) {};
+
+ void operator() (pkgCache::VerIterator const &Ver)
+ {
+ pkgCache::PkgIterator Pkg = Ver.ParentPkg();
+
+ Fix->Clear(Pkg);
+ Fix->Protect(Pkg);
+ Fix->Remove(Pkg);
+
+ if (Pkg->CurrentVer == 0)
+ ioprintf(c1out,_("Package %s is not installed, so not removed\n"),Pkg.FullName(true).c_str());
+ else
+ Cache->GetDepCache()->MarkDelete(Pkg,_config->FindB("APT::Get::Purge",false));
+ }
+};
+ /*}}}*/
// CacheFile::NameComp - QSort compare by name /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -1077,143 +1311,30 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
// ---------------------------------------------------------------------
/* This used to be inlined in DoInstall, but with the advent of regex package
name matching it was split out.. */
-bool TryToInstallBuildDep(pkgCache::PkgIterator Pkg,pkgDepCache &Cache,
+bool TryToInstallBuildDep(pkgCache::PkgIterator Pkg,pkgCacheFile &Cache,
pkgProblemResolver &Fix,bool Remove,bool BrokenFix,
bool AllowFail = true)
{
-
- // Handle the no-upgrade case
- if (_config->FindB("APT::Get::upgrade",true) == false &&
- Pkg->CurrentVer != 0)
- {
- if (AllowFail == true)
- ioprintf(c1out,_("Skipping %s, it is already installed and upgrade is not set.\n"),
- Pkg.FullName(true).c_str());
- return true;
- }
-
- // Ignore request for install if package would be new
- if (_config->FindB("APT::Get::Only-Upgrade", false) == true &&
- Pkg->CurrentVer == 0)
- {
- if (AllowFail == true)
- ioprintf(c1out,_("Skipping %s, it is not installed and only upgrades are requested.\n"),
- Pkg.Name());
- return true;
- }
-
- // Check if there is something at all to install
- pkgDepCache::StateCache &State = Cache[Pkg];
- if (Remove == true && Pkg->CurrentVer == 0)
- {
- Fix.Clear(Pkg);
- Fix.Protect(Pkg);
- Fix.Remove(Pkg);
-
- /* We want to continue searching for regex hits, so we return false here
- otherwise this is not really an error. */
- if (AllowFail == false)
- return false;
-
- ioprintf(c1out,_("Package %s is not installed, so not removed\n"),Pkg.FullName(true).c_str());
- return true;
- }
-
- if (State.CandidateVer == 0 && Remove == false)
+ if (Cache[Pkg].CandidateVer == 0 && Pkg->ProvidesList != 0)
{
- if (AllowFail == false)
- return false;
-
- 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 << 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]") << endl;
- else
- c1out << _("You should explicitly select one to install.") << 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());
-
- string List;
- string VersionsList;
- SPtrArray<bool> Seen = new bool[Cache.Head().PackageCount];
- memset(Seen,0,Cache.Head().PackageCount*sizeof(*Seen));
- pkgCache::DepIterator Dep = Pkg.RevDependsList();
- for (; 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 += string(Dep.ParentPkg().CurVersion) + "\n"; ???
- }
- ShowList(c1out,_("However the following packages replace it:"),List,VersionsList);
- }
-
- _error->Error(_("Package %s has no installation candidate"),Pkg.FullName(true).c_str());
- return false;
+ CacheSetHelperAPTGet helper(c1out);
+ helper.showErrors(AllowFail == false);
+ pkgCache::VerIterator Ver = helper.canNotFindNewestVer(Cache, Pkg);
+ if (Ver.end() == false)
+ Pkg = Ver.ParentPkg();
+ else if (helper.showVirtualPackageErrors(Cache) == false)
+ return AllowFail;
}
- Fix.Clear(Pkg);
- Fix.Protect(Pkg);
if (Remove == true)
{
- Fix.Remove(Pkg);
- Cache.MarkDelete(Pkg,_config->FindB("APT::Get::Purge",false));
- return true;
- }
-
- // Install it
- Cache.MarkInstall(Pkg,false);
- if (State.Install() == false)
- {
- if (_config->FindB("APT::Get::ReInstall",false) == true)
- {
- if (Pkg->CurrentVer == 0 || Pkg.CurrentVer().Downloadable() == false)
- ioprintf(c1out,_("Reinstallation of %s is not possible, it cannot be downloaded.\n"),
- Pkg.FullName(true).c_str());
- else
- Cache.SetReInstall(Pkg,true);
- }
- else
- {
- if (AllowFail == true)
- ioprintf(c1out,_("%s is already the newest version.\n"),
- Pkg.FullName(true).c_str());
- }
- }
-
- // Install it with autoinstalling enabled (if we not respect the minial
- // required deps or the policy)
- if ((State.InstBroken() == true || State.InstPolicyBroken() == true) && BrokenFix == false)
- Cache.MarkInstall(Pkg,true);
+ TryToRemove RemoveAction(Cache, Fix);
+ RemoveAction(Pkg.VersionList());
+ } else if (Cache[Pkg].CandidateVer != 0) {
+ TryToInstall InstallAction(Cache, Fix, BrokenFix);
+ InstallAction(Cache[Pkg].CandidateVerIter(Cache));
+ } else
+ return AllowFail;
return true;
}
@@ -1552,237 +1673,6 @@ bool DoUpgrade(CommandLine &CmdL)
return InstallPackages(Cache,true);
}
/*}}}*/
-// TryToInstall - Mark a package for installation /*{{{*/
-struct TryToInstall {
- pkgCacheFile* Cache;
- pkgProblemResolver* Fix;
- bool FixBroken;
- unsigned long AutoMarkChanged;
-
- TryToInstall(pkgCacheFile &Cache, pkgProblemResolver &PM, bool const &FixBroken) : Cache(&Cache), Fix(&PM),
- FixBroken(FixBroken), AutoMarkChanged(0) {};
-
- void operator() (pkgCache::VerIterator const &Ver) {
- pkgCache::PkgIterator Pkg = Ver.ParentPkg();
- Cache->GetDepCache()->SetCandidateVersion(Ver);
- pkgDepCache::StateCache &State = (*Cache)[Pkg];
-
- // Handle the no-upgrade case
- if (_config->FindB("APT::Get::upgrade",true) == false && Pkg->CurrentVer != 0)
- ioprintf(c1out,_("Skipping %s, it is already installed and upgrade is not set.\n"),
- Pkg.FullName(true).c_str());
- // Ignore request for install if package would be new
- else if (_config->FindB("APT::Get::Only-Upgrade", false) == true && Pkg->CurrentVer == 0)
- ioprintf(c1out,_("Skipping %s, it is not installed and only upgrades are requested.\n"),
- Pkg.FullName(true).c_str());
- else {
- Fix->Clear(Pkg);
- Fix->Protect(Pkg);
- Cache->GetDepCache()->MarkInstall(Pkg,false);
-
- if (State.Install() == false) {
- if (_config->FindB("APT::Get::ReInstall",false) == true) {
- if (Pkg->CurrentVer == 0 || Pkg.CurrentVer().Downloadable() == false)
- ioprintf(c1out,_("Reinstallation of %s is not possible, it cannot be downloaded.\n"),
- Pkg.FullName(true).c_str());
- else
- Cache->GetDepCache()->SetReInstall(Pkg, true);
- } else
- ioprintf(c1out,_("%s is already the newest version.\n"),
- Pkg.FullName(true).c_str());
- }
-
- // Install it with autoinstalling enabled (if we not respect the minial
- // required deps or the policy)
- if ((State.InstBroken() == true || State.InstPolicyBroken() == true) && FixBroken == false)
- Cache->GetDepCache()->MarkInstall(Pkg,true);
- }
-
- // see if we need to fix the auto-mark flag
- // e.g. apt-get install foo
- // where foo is marked automatic
- if (State.Install() == false &&
- (State.Flags & pkgCache::Flag::Auto) &&
- _config->FindB("APT::Get::ReInstall",false) == false &&
- _config->FindB("APT::Get::Only-Upgrade",false) == false &&
- _config->FindB("APT::Get::Download-Only",false) == false)
- {
- ioprintf(c1out,_("%s set to manually installed.\n"),
- Pkg.FullName(true).c_str());
- Cache->GetDepCache()->MarkAuto(Pkg,false);
- AutoMarkChanged++;
- }
- }
-};
- /*}}}*/
-// TryToRemove - Mark a package for removal /*{{{*/
-struct TryToRemove {
- pkgCacheFile* Cache;
- pkgProblemResolver* Fix;
- bool FixBroken;
- unsigned long AutoMarkChanged;
-
- TryToRemove(pkgCacheFile &Cache, pkgProblemResolver &PM) : Cache(&Cache), Fix(&PM) {};
-
- void operator() (pkgCache::VerIterator const &Ver)
- {
- pkgCache::PkgIterator Pkg = Ver.ParentPkg();
-
- Fix->Clear(Pkg);
- Fix->Protect(Pkg);
- Fix->Remove(Pkg);
-
- if (Pkg->CurrentVer == 0)
- ioprintf(c1out,_("Package %s is not installed, so not removed\n"),Pkg.FullName(true).c_str());
- else
- Cache->GetDepCache()->MarkDelete(Pkg,_config->FindB("APT::Get::Purge",false));
- }
-};
- /*}}}*/
-// 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:
- CacheSetHelperAPTGet(std::ostream &out) : APT::CacheSetHelper(true), out(out) {
- explicitlyNamed = true;
- }
-
- virtual void showTaskSelection(APT::PackageSet const &pkgset, string const &pattern) {
- for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
- ioprintf(out, _("Note, selecting '%s' for task '%s'\n"),
- Pkg.FullName(true).c_str(), pattern.c_str());
- explicitlyNamed = false;
- }
- virtual void showRegExSelection(APT::PackageSet const &pkgset, string const &pattern) {
- for (APT::PackageSet::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
- 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,
- string const &ver, bool const &verIsRel) {
- if (ver != Ver.VerStr())
- ioprintf(out, _("Selected version '%s' (%s) for '%s'\n"),
- Ver.VerStr(), Ver.RelStr().c_str(), Pkg.FullName(true).c_str());
- }
-
- void showVirtualPackageErrors(pkgCacheFile &Cache) {
- 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()) {
- out << " " << Pkg.FullName(true) << " " << I.OwnerVer().VerStr();
- if (Cache[Pkg].Install() == true && Cache[Pkg].NewInstall() == false)
- out << _(" [Installed]");
- out << 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++)
- out << " " << I.OwnerPkg().FullName(true) << " " << I.OwnerVer().VerStr()
- << _(" [Not candidate version]") << endl;
- else
- out << _("You should explicitly select one to install.") << endl;
- } else {
- ioprintf(out,
- _("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());
-
- string List;
- 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 += string(Dep.ParentPkg().CurVersion) + "\n"; ???
- }
- ShowList(out,_("However the following packages replace it:"),List,VersionsList);
- }
- out << std::endl;
- }
- }
-
- 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());
- 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) {
- 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());
- 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) {
- 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; }
-
-};
- /*}}}*/
// DoInstall - Install packages from the command line /*{{{*/
// ---------------------------------------------------------------------
/* Install named packages */
--
2.47.2