-#include <unistd.h>
-#include <stdio.h>
-#include <errno.h>
-#include <regex.h>
-#include <sys/wait.h>
-#include <sstream>
-
-#include <apti18n.h>
- /*}}}*/
-
-#define RAMFS_MAGIC 0x858458f6
-
-using namespace std;
-
-ostream c0out(0);
-ostream c1out(0);
-ostream c2out(0);
-ofstream devnull("/dev/null");
-unsigned int ScreenWidth = 80 - 1; /* - 1 for the cursor */
-
-// class CacheFile - Cover class for some dependency cache functions /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-class CacheFile : public pkgCacheFile
-{
- static pkgCache *SortCache;
- static int NameComp(const void *a,const void *b);
-
- public:
- pkgCache::Package **List;
-
- void Sort();
- bool CheckDeps(bool AllowBroken = false);
- bool BuildCaches(bool WithLock = true)
- {
- OpTextProgress Prog(*_config);
- if (pkgCacheFile::BuildCaches(&Prog,WithLock) == false)
- return false;
- return true;
- }
- bool Open(bool WithLock = true)
- {
- OpTextProgress Prog(*_config);
- if (pkgCacheFile::Open(&Prog,WithLock) == false)
- return false;
- Sort();
-
- return true;
- };
- bool OpenForInstall()
- {
- if (_config->FindB("APT::Get::Print-URIs") == true)
- return Open(false);
- else
- return Open(true);
- }
- CacheFile() : List(0) {};
- ~CacheFile() {
- delete[] List;
- }
-};
- /*}}}*/
-
-// YnPrompt - Yes No Prompt. /*{{{*/
-// ---------------------------------------------------------------------
-/* Returns true on a Yes.*/
-bool YnPrompt(bool Default=true)
-{
- if (_config->FindB("APT::Get::Assume-Yes",false) == true)
- {
- c1out << _("Y") << endl;
- return true;
- }
- else if (_config->FindB("APT::Get::Assume-No",false) == true)
- {
- c1out << _("N") << endl;
- return false;
- }
-
- char response[1024] = "";
- cin.getline(response, sizeof(response));
-
- if (!cin)
- return false;
-
- if (strlen(response) == 0)
- return Default;
-
- regex_t Pattern;
- int Res;
-
- Res = regcomp(&Pattern, nl_langinfo(YESEXPR),
- REG_EXTENDED|REG_ICASE|REG_NOSUB);
-
- if (Res != 0) {
- char Error[300];
- regerror(Res,&Pattern,Error,sizeof(Error));
- return _error->Error(_("Regex compilation error - %s"),Error);
- }
-
- Res = regexec(&Pattern, response, 0, NULL, 0);
- if (Res == 0)
- return true;
- return false;
-}
- /*}}}*/
-// AnalPrompt - Annoying Yes No Prompt. /*{{{*/
-// ---------------------------------------------------------------------
-/* Returns true on a Yes.*/
-bool AnalPrompt(const char *Text)
-{
- char Buf[1024];
- cin.getline(Buf,sizeof(Buf));
- if (strcmp(Buf,Text) == 0)
- return true;
- return false;
-}
- /*}}}*/
-// ShowList - Show a list /*{{{*/
-// ---------------------------------------------------------------------
-/* This prints out a string of space separated words with a title and
- a two space indent line wraped to the current screen width. */
-bool ShowList(ostream &out,string Title,string List,string VersionsList)
-{
- if (List.empty() == true)
- return true;
- // trim trailing space
- int NonSpace = List.find_last_not_of(' ');
- if (NonSpace != -1)
- {
- List = List.erase(NonSpace + 1);
- if (List.empty() == true)
- return true;
- }
-
- // Acount for the leading space
- int ScreenWidth = ::ScreenWidth - 3;
-
- out << Title << endl;
- string::size_type Start = 0;
- string::size_type VersionsStart = 0;
- while (Start < List.size())
- {
- if(_config->FindB("APT::Get::Show-Versions",false) == true &&
- VersionsList.size() > 0) {
- string::size_type End;
- string::size_type VersionsEnd;
-
- End = List.find(' ',Start);
- VersionsEnd = VersionsList.find('\n', VersionsStart);
-
- out << " " << string(List,Start,End - Start) << " (" <<
- string(VersionsList,VersionsStart,VersionsEnd - VersionsStart) <<
- ")" << endl;
-
- if (End == string::npos || End < Start)
- End = Start + ScreenWidth;
-
- Start = End + 1;
- VersionsStart = VersionsEnd + 1;
- } else {
- string::size_type End;
-
- if (Start + ScreenWidth >= List.size())
- End = List.size();
- else
- End = List.rfind(' ',Start+ScreenWidth);
-
- if (End == string::npos || End < Start)
- End = Start + ScreenWidth;
- out << " " << string(List,Start,End - Start) << endl;
- Start = End + 1;
- }
- }
-
- return false;
-}
- /*}}}*/
-// ShowBroken - Debugging aide /*{{{*/
-// ---------------------------------------------------------------------
-/* This prints out the names of all the packages that are broken along
- with the name of each each broken dependency and a quite version
- description.
-
- The output looks like:
- The following packages have unmet dependencies:
- exim: Depends: libc6 (>= 2.1.94) but 2.1.3-10 is to be installed
- Depends: libldap2 (>= 2.0.2-2) but it is not going to be installed
- Depends: libsasl7 but it is not going to be installed
- */
-void ShowBroken(ostream &out,CacheFile &Cache,bool Now)
-{
- if (Cache->BrokenCount() == 0)
- return;
-
- out << _("The following packages have unmet dependencies:") << endl;
- for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
- {
- pkgCache::PkgIterator I(Cache,Cache.List[J]);
-
- if (Now == true)
- {
- if (Cache[I].NowBroken() == false)
- continue;
- }
- else
- {
- if (Cache[I].InstBroken() == false)
- continue;
- }
-
- // Print out each package and the failed dependencies
- out << " " << I.FullName(true) << " :";
- unsigned const Indent = I.FullName(true).size() + 3;
- bool First = true;
- pkgCache::VerIterator Ver;
-
- if (Now == true)
- Ver = I.CurrentVer();
- else
- Ver = Cache[I].InstVerIter(Cache);
-
- if (Ver.end() == true)
- {
- out << endl;
- continue;
- }
-
- for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false;)
- {
- // Compute a single dependency element (glob or)
- pkgCache::DepIterator Start;
- pkgCache::DepIterator End;
- D.GlobOr(Start,End); // advances D
-
- if (Cache->IsImportantDep(End) == false)
- continue;
-
- if (Now == true)
- {
- if ((Cache[End] & pkgDepCache::DepGNow) == pkgDepCache::DepGNow)
- continue;
- }
- else
- {
- if ((Cache[End] & pkgDepCache::DepGInstall) == pkgDepCache::DepGInstall)
- continue;
- }
-
- bool FirstOr = true;
- while (1)
- {
- if (First == false)
- for (unsigned J = 0; J != Indent; J++)
- out << ' ';
- First = false;
-
- if (FirstOr == false)
- {
- for (unsigned J = 0; J != strlen(End.DepType()) + 3; J++)
- out << ' ';
- }
- else
- out << ' ' << End.DepType() << ": ";
- FirstOr = false;
-
- out << Start.TargetPkg().FullName(true);
-
- // Show a quick summary of the version requirements
- if (Start.TargetVer() != 0)
- out << " (" << Start.CompType() << " " << Start.TargetVer() << ")";
-
- /* Show a summary of the target package if possible. In the case
- of virtual packages we show nothing */
- pkgCache::PkgIterator Targ = Start.TargetPkg();
- if (Targ->ProvidesList == 0)
- {
- out << ' ';
- pkgCache::VerIterator Ver = Cache[Targ].InstVerIter(Cache);
- if (Now == true)
- Ver = Targ.CurrentVer();
-
- if (Ver.end() == false)
- {
- if (Now == true)
- ioprintf(out,_("but %s is installed"),Ver.VerStr());
- else
- ioprintf(out,_("but %s is to be installed"),Ver.VerStr());
- }
- else
- {
- if (Cache[Targ].CandidateVerIter(Cache).end() == true)
- {
- if (Targ->ProvidesList == 0)
- out << _("but it is not installable");
- else
- out << _("but it is a virtual package");
- }
- else
- out << (Now?_("but it is not installed"):_("but it is not going to be installed"));
- }
- }
-
- if (Start != End)
- out << _(" or");
- out << endl;
-
- if (Start == End)
- break;
- ++Start;
- }
- }
- }
-}
- /*}}}*/
-// ShowNew - Show packages to newly install /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-void ShowNew(ostream &out,CacheFile &Cache)
-{
- /* Print out a list of packages that are going to be installed extra
- to what the user asked */
- string List;
- string VersionsList;
- for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
- {
- pkgCache::PkgIterator I(Cache,Cache.List[J]);
- if (Cache[I].NewInstall() == true) {
- List += I.FullName(true) + " ";
- VersionsList += string(Cache[I].CandVersion) + "\n";
- }
- }
-
- ShowList(out,_("The following NEW packages will be installed:"),List,VersionsList);
-}
- /*}}}*/
-// ShowDel - Show packages to delete /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-void ShowDel(ostream &out,CacheFile &Cache)
-{
- /* Print out a list of packages that are going to be removed extra
- to what the user asked */
- string List;
- string VersionsList;
- for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
- {
- pkgCache::PkgIterator I(Cache,Cache.List[J]);
- if (Cache[I].Delete() == true)
- {
- if ((Cache[I].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge)
- List += I.FullName(true) + "* ";
- else
- List += I.FullName(true) + " ";
-
- VersionsList += string(Cache[I].CandVersion)+ "\n";
- }
- }
-
- ShowList(out,_("The following packages will be REMOVED:"),List,VersionsList);
-}
- /*}}}*/
-// ShowKept - Show kept packages /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-void ShowKept(ostream &out,CacheFile &Cache)
-{
- string List;
- string VersionsList;
- for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
- {
- pkgCache::PkgIterator I(Cache,Cache.List[J]);
-
- // Not interesting
- if (Cache[I].Upgrade() == true || Cache[I].Upgradable() == false ||
- I->CurrentVer == 0 || Cache[I].Delete() == true)
- continue;
-
- List += I.FullName(true) + " ";
- VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
- }
- ShowList(out,_("The following packages have been kept back:"),List,VersionsList);
-}
- /*}}}*/
-// ShowUpgraded - Show upgraded packages /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-void ShowUpgraded(ostream &out,CacheFile &Cache)
-{
- string List;
- string VersionsList;
- for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
- {
- pkgCache::PkgIterator I(Cache,Cache.List[J]);
-
- // Not interesting
- if (Cache[I].Upgrade() == false || Cache[I].NewInstall() == true)
- continue;
-
- List += I.FullName(true) + " ";
- VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
- }
- ShowList(out,_("The following packages will be upgraded:"),List,VersionsList);
-}
- /*}}}*/
-// ShowDowngraded - Show downgraded packages /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool ShowDowngraded(ostream &out,CacheFile &Cache)
-{
- string List;
- string VersionsList;
- for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
- {
- pkgCache::PkgIterator I(Cache,Cache.List[J]);
-
- // Not interesting
- if (Cache[I].Downgrade() == false || Cache[I].NewInstall() == true)
- continue;
-
- List += I.FullName(true) + " ";
- VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
- }
- return ShowList(out,_("The following packages will be DOWNGRADED:"),List,VersionsList);
-}
- /*}}}*/
-// ShowHold - Show held but changed packages /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool ShowHold(ostream &out,CacheFile &Cache)
-{
- string List;
- string VersionsList;
- for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
- {
- pkgCache::PkgIterator I(Cache,Cache.List[J]);
- if (Cache[I].InstallVer != (pkgCache::Version *)I.CurrentVer() &&
- I->SelectedState == pkgCache::State::Hold) {
- List += I.FullName(true) + " ";
- VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
- }
- }
-
- return ShowList(out,_("The following held packages will be changed:"),List,VersionsList);
-}
- /*}}}*/
-// ShowEssential - Show an essential package warning /*{{{*/
-// ---------------------------------------------------------------------
-/* This prints out a warning message that is not to be ignored. It shows
- all essential packages and their dependents that are to be removed.
- It is insanely risky to remove the dependents of an essential package! */
-bool ShowEssential(ostream &out,CacheFile &Cache)
-{
- string List;
- string VersionsList;
- bool *Added = new bool[Cache->Head().PackageCount];
- for (unsigned int I = 0; I != Cache->Head().PackageCount; I++)
- Added[I] = false;
-
- for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
- {
- pkgCache::PkgIterator I(Cache,Cache.List[J]);
- if ((I->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential &&
- (I->Flags & pkgCache::Flag::Important) != pkgCache::Flag::Important)
- continue;
-
- // The essential package is being removed
- if (Cache[I].Delete() == true)
- {
- if (Added[I->ID] == false)
- {
- Added[I->ID] = true;
- List += I.FullName(true) + " ";
- //VersionsList += string(Cache[I].CurVersion) + "\n"; ???
- }
- }
- else
- continue;
-
- if (I->CurrentVer == 0)
- continue;
-
- // Print out any essential package depenendents that are to be removed
- for (pkgCache::DepIterator D = I.CurrentVer().DependsList(); D.end() == false; ++D)
- {
- // Skip everything but depends
- if (D->Type != pkgCache::Dep::PreDepends &&
- D->Type != pkgCache::Dep::Depends)
- continue;
-
- pkgCache::PkgIterator P = D.SmartTargetPkg();
- if (Cache[P].Delete() == true)
- {
- if (Added[P->ID] == true)
- continue;
- Added[P->ID] = true;
-
- char S[300];
- snprintf(S,sizeof(S),_("%s (due to %s) "),P.FullName(true).c_str(),I.FullName(true).c_str());
- List += S;
- //VersionsList += "\n"; ???
- }
- }
- }
-
- delete [] Added;
- return ShowList(out,_("WARNING: The following essential packages will be removed.\n"
- "This should NOT be done unless you know exactly what you are doing!"),List,VersionsList);
-}
-
- /*}}}*/
-// Stats - Show some statistics /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-void Stats(ostream &out,pkgDepCache &Dep)
-{
- unsigned long Upgrade = 0;
- unsigned long Downgrade = 0;
- unsigned long Install = 0;
- unsigned long ReInstall = 0;
- for (pkgCache::PkgIterator I = Dep.PkgBegin(); I.end() == false; ++I)
- {
- if (Dep[I].NewInstall() == true)
- Install++;
- else
- {
- if (Dep[I].Upgrade() == true)
- Upgrade++;
- else
- if (Dep[I].Downgrade() == true)
- Downgrade++;
- }
-
- if (Dep[I].Delete() == false && (Dep[I].iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
- ReInstall++;
- }
-
- ioprintf(out,_("%lu upgraded, %lu newly installed, "),
- Upgrade,Install);
-
- if (ReInstall != 0)
- ioprintf(out,_("%lu reinstalled, "),ReInstall);
- if (Downgrade != 0)
- ioprintf(out,_("%lu downgraded, "),Downgrade);
-
- ioprintf(out,_("%lu to remove and %lu not upgraded.\n"),
- Dep.DelCount(),Dep.KeepCount());
-
- if (Dep.BadCount() != 0)
- ioprintf(out,_("%lu not fully installed or removed.\n"),
- 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:
- 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, 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, 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,
- 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 << 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
- out << _("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.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(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; }
-
-};
- /*}}}*/
-// TryToInstall - Mark a package for installation /*{{{*/
-struct TryToInstall {
- pkgCacheFile* Cache;
- pkgProblemResolver* Fix;
- bool FixBroken;
- unsigned long AutoMarkChanged;
- APT::PackageSet doAutoInstallLater;
-
- 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 {
- if (Fix != NULL) {
- 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 (FixBroken == false)
- doAutoInstallLater.insert(Pkg);
- }
-
- // 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++;
- }
- }
-
- bool propergateReleaseCandiateSwitching(std::list<std::pair<pkgCache::VerIterator, std::string> > start, std::ostream &out)
- {
- for (std::list<std::pair<pkgCache::VerIterator, std::string> >::const_iterator s = start.begin();
- s != start.end(); ++s)
- Cache->GetDepCache()->SetCandidateVersion(s->first);
-
- bool Success = true;
- std::list<std::pair<pkgCache::VerIterator, pkgCache::VerIterator> > Changed;
- for (std::list<std::pair<pkgCache::VerIterator, std::string> >::const_iterator s = start.begin();
- s != start.end(); ++s)
- {
- Changed.push_back(std::make_pair(s->first, pkgCache::VerIterator(*Cache)));
- // We continue here even if it failed to enhance the ShowBroken output
- Success &= Cache->GetDepCache()->SetCandidateRelease(s->first, s->second, Changed);
- }
- for (std::list<std::pair<pkgCache::VerIterator, pkgCache::VerIterator> >::const_iterator c = Changed.begin();
- c != Changed.end(); ++c)
- {
- if (c->second.end() == true)
- ioprintf(out, _("Selected version '%s' (%s) for '%s'\n"),
- c->first.VerStr(), c->first.RelStr().c_str(), c->first.ParentPkg().FullName(true).c_str());
- else if (c->first.ParentPkg()->Group != c->second.ParentPkg()->Group)
- {
- pkgCache::VerIterator V = (*Cache)[c->first.ParentPkg()].CandidateVerIter(*Cache);
- ioprintf(out, _("Selected version '%s' (%s) for '%s' because of '%s'\n"), V.VerStr(),
- V.RelStr().c_str(), V.ParentPkg().FullName(true).c_str(), c->second.ParentPkg().FullName(true).c_str());
- }
- }
- return Success;
- }
-
- void doAutoInstall() {
- for (APT::PackageSet::const_iterator P = doAutoInstallLater.begin();
- P != doAutoInstallLater.end(); ++P) {
- pkgDepCache::StateCache &State = (*Cache)[P];
- if (State.InstBroken() == false && State.InstPolicyBroken() == false)
- continue;
- Cache->GetDepCache()->MarkInstall(P, true);
- }
- doAutoInstallLater.clear();
- }
-};
- /*}}}*/
-// TryToRemove - Mark a package for removal /*{{{*/
-struct TryToRemove {
- pkgCacheFile* Cache;
- pkgProblemResolver* Fix;
- bool PurgePkgs;
-
- TryToRemove(pkgCacheFile &Cache, pkgProblemResolver *PM) : Cache(&Cache), Fix(PM),
- PurgePkgs(_config->FindB("APT::Get::Purge", false)) {};
-
- void operator() (pkgCache::VerIterator const &Ver)
- {
- pkgCache::PkgIterator Pkg = Ver.ParentPkg();
-
- if (Fix != NULL)
- {
- Fix->Clear(Pkg);
- Fix->Protect(Pkg);
- Fix->Remove(Pkg);
- }
-
- if ((Pkg->CurrentVer == 0 && PurgePkgs == false) ||
- (PurgePkgs == true && Pkg->CurrentState == pkgCache::State::NotInstalled))
- {
- 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 || (PurgePkgs == true && P->CurrentState != pkgCache::State::NotInstalled))
- {
- // 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());
-
- // MarkInstall refuses to install packages on hold
- Pkg->SelectedState = pkgCache::State::Hold;
- }
- else
- Cache->GetDepCache()->MarkDelete(Pkg, PurgePkgs);
- }
-};
- /*}}}*/
-// CacheFile::NameComp - QSort compare by name /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-pkgCache *CacheFile::SortCache = 0;
-int CacheFile::NameComp(const void *a,const void *b)
-{
- if (*(pkgCache::Package **)a == 0 || *(pkgCache::Package **)b == 0)
- return *(pkgCache::Package **)a - *(pkgCache::Package **)b;
-
- const pkgCache::Package &A = **(pkgCache::Package **)a;
- const pkgCache::Package &B = **(pkgCache::Package **)b;
-
- return strcmp(SortCache->StrP + A.Name,SortCache->StrP + B.Name);
-}
- /*}}}*/
-// CacheFile::Sort - Sort by name /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-void CacheFile::Sort()
-{
- delete [] List;
- List = new pkgCache::Package *[Cache->Head().PackageCount];
- memset(List,0,sizeof(*List)*Cache->Head().PackageCount);
- pkgCache::PkgIterator I = Cache->PkgBegin();
- for (;I.end() != true; ++I)
- List[I->ID] = I;
-
- SortCache = *this;
- qsort(List,Cache->Head().PackageCount,sizeof(*List),NameComp);
-}
- /*}}}*/
-// CacheFile::CheckDeps - Open the cache file /*{{{*/
-// ---------------------------------------------------------------------
-/* This routine generates the caches and then opens the dependency cache
- and verifies that the system is OK. */
-bool CacheFile::CheckDeps(bool AllowBroken)
-{
- bool FixBroken = _config->FindB("APT::Get::Fix-Broken",false);
-
- if (_error->PendingError() == true)
- return false;
-
- // Check that the system is OK
- if (DCache->DelCount() != 0 || DCache->InstCount() != 0)
- return _error->Error("Internal error, non-zero counts");
-
- // Apply corrections for half-installed packages
- if (pkgApplyStatus(*DCache) == false)
- return false;
-
- if (_config->FindB("APT::Get::Fix-Policy-Broken",false) == true)
- {
- FixBroken = true;
- if ((DCache->PolicyBrokenCount() > 0))
- {
- // upgrade all policy-broken packages with ForceImportantDeps=True
- for (pkgCache::PkgIterator I = Cache->PkgBegin(); !I.end(); ++I)
- if ((*DCache)[I].NowPolicyBroken() == true)
- DCache->MarkInstall(I,true,0, false, true);
- }
- }
-
- // Nothing is broken
- if (DCache->BrokenCount() == 0 || AllowBroken == true)
- return true;
-
- // Attempt to fix broken things
- if (FixBroken == true)
- {
- c1out << _("Correcting dependencies...") << flush;
- if (pkgFixBroken(*DCache) == false || DCache->BrokenCount() != 0)
- {
- c1out << _(" failed.") << endl;
- ShowBroken(c1out,*this,true);
-
- return _error->Error(_("Unable to correct dependencies"));
- }
- if (pkgMinimizeUpgrade(*DCache) == false)
- return _error->Error(_("Unable to minimize the upgrade set"));
-
- c1out << _(" Done") << endl;
- }
- else
- {
- c1out << _("You might want to run 'apt-get -f install' to correct these.") << endl;
- ShowBroken(c1out,*this,true);
-
- return _error->Error(_("Unmet dependencies. Try using -f."));
- }
-
- return true;
-}
- /*}}}*/
-// CheckAuth - check if each download comes form a trusted source /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-static bool CheckAuth(pkgAcquire& Fetcher)
-{
- string UntrustedList;
- for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I < Fetcher.ItemsEnd(); ++I)
- {
- if (!(*I)->IsTrusted())
- {
- UntrustedList += string((*I)->ShortDesc()) + " ";
- }
- }
-
- if (UntrustedList == "")
- {
- return true;
- }
-
- ShowList(c2out,_("WARNING: The following packages cannot be authenticated!"),UntrustedList,"");
-
- if (_config->FindB("APT::Get::AllowUnauthenticated",false) == true)
- {
- c2out << _("Authentication warning overridden.\n");
- return true;
- }
-
- if (_config->FindI("quiet",0) < 2
- && _config->FindB("APT::Get::Assume-Yes",false) == false)
- {
- c2out << _("Install these packages without verification [y/N]? ") << flush;
- if (!YnPrompt(false))
- return _error->Error(_("Some packages could not be authenticated"));
-
- return true;
- }
- else if (_config->FindB("APT::Get::Force-Yes",false) == true)
- {
- return true;
- }
-
- return _error->Error(_("There are problems and -y was used without --force-yes"));
-}
- /*}}}*/
-// InstallPackages - Actually download and install the packages /*{{{*/
-// ---------------------------------------------------------------------
-/* This displays the informative messages describing what is going to
- happen and then calls the download routines */
-bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,
- bool Safety = true)
-{
- if (_config->FindB("APT::Get::Purge",false) == true)
- {
- pkgCache::PkgIterator I = Cache->PkgBegin();
- for (; I.end() == false; ++I)
- {
- if (I.Purge() == false && Cache[I].Mode == pkgDepCache::ModeDelete)
- Cache->MarkDelete(I,true);
- }
- }
-
- bool Fail = false;
- bool Essential = false;
-
- // Show all the various warning indicators
- ShowDel(c1out,Cache);
- ShowNew(c1out,Cache);
- if (ShwKept == true)
- ShowKept(c1out,Cache);
- Fail |= !ShowHold(c1out,Cache);
- if (_config->FindB("APT::Get::Show-Upgraded",true) == true)
- ShowUpgraded(c1out,Cache);
- Fail |= !ShowDowngraded(c1out,Cache);
- if (_config->FindB("APT::Get::Download-Only",false) == false)
- Essential = !ShowEssential(c1out,Cache);
- Fail |= Essential;
- Stats(c1out,Cache);
-
- // Sanity check
- if (Cache->BrokenCount() != 0)
- {
- ShowBroken(c1out,Cache,false);
- return _error->Error(_("Internal error, InstallPackages was called with broken packages!"));
- }
-
- if (Cache->DelCount() == 0 && Cache->InstCount() == 0 &&
- Cache->BadCount() == 0)
- return true;
-
- // No remove flag
- if (Cache->DelCount() != 0 && _config->FindB("APT::Get::Remove",true) == false)
- return _error->Error(_("Packages need to be removed but remove is disabled."));
-
- // Run the simulator ..
- if (_config->FindB("APT::Get::Simulate") == true)
- {
- pkgSimulate PM(Cache);
- int status_fd = _config->FindI("APT::Status-Fd",-1);
- pkgPackageManager::OrderResult Res = PM.DoInstall(status_fd);
- if (Res == pkgPackageManager::Failed)
- return false;
- if (Res != pkgPackageManager::Completed)
- return _error->Error(_("Internal error, Ordering didn't finish"));
- return true;
- }
-
- // Create the text record parser
- pkgRecords Recs(Cache);
- if (_error->PendingError() == true)
- return false;
-
- // Create the download object
- pkgAcquire Fetcher;
- AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));
- if (_config->FindB("APT::Get::Print-URIs", false) == true)
- {
- // force a hashsum for compatibility reasons
- _config->CndSet("Acquire::ForceHash", "md5sum");
- }
- else if (Fetcher.Setup(&Stat, _config->FindDir("Dir::Cache::Archives")) == false)
- return false;
-
- // Read the source list
- if (Cache.BuildSourceList() == false)
- return false;
- pkgSourceList *List = Cache.GetSourceList();
-
- // Create the package manager and prepare to download
- SPtr<pkgPackageManager> PM= _system->CreatePM(Cache);
- if (PM->GetArchives(&Fetcher,List,&Recs) == false ||
- _error->PendingError() == true)
- return false;
-
- // Display statistics
- unsigned long long FetchBytes = Fetcher.FetchNeeded();
- unsigned long long FetchPBytes = Fetcher.PartialPresent();
- unsigned long long DebBytes = Fetcher.TotalNeeded();
- if (DebBytes != Cache->DebSize())
- {
- c0out << DebBytes << ',' << Cache->DebSize() << endl;
- c0out << _("How odd.. The sizes didn't match, email apt@packages.debian.org") << endl;
- }
-
- // Number of bytes
- if (DebBytes != FetchBytes)
- //TRANSLATOR: The required space between number and unit is already included
- // in the replacement strings, so %sB will be correctly translate in e.g. 1,5 MB
- ioprintf(c1out,_("Need to get %sB/%sB of archives.\n"),
- SizeToStr(FetchBytes).c_str(),SizeToStr(DebBytes).c_str());
- else if (DebBytes != 0)
- //TRANSLATOR: The required space between number and unit is already included
- // in the replacement string, so %sB will be correctly translate in e.g. 1,5 MB
- ioprintf(c1out,_("Need to get %sB of archives.\n"),
- SizeToStr(DebBytes).c_str());
-
- // Size delta
- if (Cache->UsrSize() >= 0)
- //TRANSLATOR: The required space between number and unit is already included
- // in the replacement string, so %sB will be correctly translate in e.g. 1,5 MB
- ioprintf(c1out,_("After this operation, %sB of additional disk space will be used.\n"),
- SizeToStr(Cache->UsrSize()).c_str());
- else
- //TRANSLATOR: The required space between number and unit is already included
- // in the replacement string, so %sB will be correctly translate in e.g. 1,5 MB
- ioprintf(c1out,_("After this operation, %sB disk space will be freed.\n"),
- SizeToStr(-1*Cache->UsrSize()).c_str());
-
- if (_error->PendingError() == true)
- return false;
-
- /* Check for enough free space, but only if we are actually going to
- download */
- if (_config->FindB("APT::Get::Print-URIs") == false &&
- _config->FindB("APT::Get::Download",true) == true)
- {
- struct statvfs Buf;
- string OutputDir = _config->FindDir("Dir::Cache::Archives");
- if (statvfs(OutputDir.c_str(),&Buf) != 0) {
- if (errno == EOVERFLOW)
- return _error->WarningE("statvfs",_("Couldn't determine free space in %s"),
- OutputDir.c_str());
- else
- return _error->Errno("statvfs",_("Couldn't determine free space in %s"),
- OutputDir.c_str());
- } else if (unsigned(Buf.f_bfree) < (FetchBytes - FetchPBytes)/Buf.f_bsize)
- {
- struct statfs Stat;
- if (statfs(OutputDir.c_str(),&Stat) != 0
-#if HAVE_STRUCT_STATFS_F_TYPE
- || unsigned(Stat.f_type) != RAMFS_MAGIC
-#endif
- )
- return _error->Error(_("You don't have enough free space in %s."),
- OutputDir.c_str());
- }
- }
-
- // Fail safe check
- if (_config->FindI("quiet",0) >= 2 ||
- _config->FindB("APT::Get::Assume-Yes",false) == true)
- {
- if (Fail == true && _config->FindB("APT::Get::Force-Yes",false) == false)
- return _error->Error(_("There are problems and -y was used without --force-yes"));
- }
-
- if (Essential == true && Safety == true)
- {
- if (_config->FindB("APT::Get::Trivial-Only",false) == true)
- return _error->Error(_("Trivial Only specified but this is not a trivial operation."));
-
- // TRANSLATOR: This string needs to be typed by the user as a confirmation, so be
- // careful with hard to type or special characters (like non-breaking spaces)
- const char *Prompt = _("Yes, do as I say!");
- ioprintf(c2out,
- _("You are about to do something potentially harmful.\n"
- "To continue type in the phrase '%s'\n"
- " ?] "),Prompt);
- c2out << flush;
- if (AnalPrompt(Prompt) == false)
- {
- c2out << _("Abort.") << endl;
- exit(1);
- }
- }
- else
- {
- // Prompt to continue
- if (Ask == true || Fail == true)
- {
- if (_config->FindB("APT::Get::Trivial-Only",false) == true)
- return _error->Error(_("Trivial Only specified but this is not a trivial operation."));
-
- if (_config->FindI("quiet",0) < 2 &&
- _config->FindB("APT::Get::Assume-Yes",false) == false)
- {
- c2out << _("Do you want to continue [Y/n]? ") << flush;
-
- if (YnPrompt() == false)
- {
- c2out << _("Abort.") << endl;
- exit(1);
- }
- }
- }
- }
-
- // Just print out the uris an exit if the --print-uris flag was used
- if (_config->FindB("APT::Get::Print-URIs") == true)
- {
- pkgAcquire::UriIterator I = Fetcher.UriBegin();
- for (; I != Fetcher.UriEnd(); ++I)
- cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' <<
- I->Owner->FileSize << ' ' << I->Owner->HashSum() << endl;
- return true;
- }
-
- if (!CheckAuth(Fetcher))
- return false;
-
- /* Unlock the dpkg lock if we are not going to be doing an install
- after. */
- if (_config->FindB("APT::Get::Download-Only",false) == true)
- _system->UnLock();
-
- // Run it
- while (1)
- {
- bool Transient = false;
- if (_config->FindB("APT::Get::Download",true) == false)
- {
- for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I < Fetcher.ItemsEnd();)
- {
- if ((*I)->Local == true)
- {
- ++I;
- continue;
- }
-
- // Close the item and check if it was found in cache
- (*I)->Finished();
- if ((*I)->Complete == false)
- Transient = true;
-
- // Clear it out of the fetch list
- delete *I;
- I = Fetcher.ItemsBegin();
- }
- }
-
- if (Fetcher.Run() == pkgAcquire::Failed)
- return false;
-
- // Print out errors
- bool Failed = false;
- for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); ++I)
- {
- if ((*I)->Status == pkgAcquire::Item::StatDone &&
- (*I)->Complete == true)
- continue;
-
- if ((*I)->Status == pkgAcquire::Item::StatIdle)
- {
- Transient = true;
- // Failed = true;
- continue;
- }
-
- fprintf(stderr,_("Failed to fetch %s %s\n"),(*I)->DescURI().c_str(),
- (*I)->ErrorText.c_str());
- Failed = true;
- }
-
- /* If we are in no download mode and missing files and there were
- 'failures' then the user must specify -m. Furthermore, there
- is no such thing as a transient error in no-download mode! */
- if (Transient == true &&
- _config->FindB("APT::Get::Download",true) == false)
- {
- Transient = false;
- Failed = true;
- }
-
- if (_config->FindB("APT::Get::Download-Only",false) == true)
- {
- if (Failed == true && _config->FindB("APT::Get::Fix-Missing",false) == false)
- return _error->Error(_("Some files failed to download"));
- c1out << _("Download complete and in download only mode") << endl;
- return true;
- }
-
- if (Failed == true && _config->FindB("APT::Get::Fix-Missing",false) == false)
- {
- return _error->Error(_("Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?"));
- }
-
- if (Transient == true && Failed == true)
- return _error->Error(_("--fix-missing and media swapping is not currently supported"));
-
- // Try to deal with missing package files
- if (Failed == true && PM->FixMissing() == false)
- {
- cerr << _("Unable to correct missing packages.") << endl;
- return _error->Error(_("Aborting install."));
- }
-
- _system->UnLock();
- int status_fd = _config->FindI("APT::Status-Fd",-1);
- pkgPackageManager::OrderResult Res = PM->DoInstall(status_fd);
- if (Res == pkgPackageManager::Failed || _error->PendingError() == true)
- return false;
- if (Res == pkgPackageManager::Completed)
- break;
-
- // Reload the fetcher object and loop again for media swapping
- Fetcher.Shutdown();
- if (PM->GetArchives(&Fetcher,List,&Recs) == false)
- return false;
-
- _system->Lock();
- }
projects / apt.git / blobdiff