From c373c37a2edf384b658c8d054bdcc55464900863 Mon Sep 17 00:00:00 2001 From: Arch Librarian Date: Mon, 20 Sep 2004 16:54:56 +0000 Subject: Regexs for install Author: jgg Date: 1999-10-21 06:35:00 GMT Regexs for install --- cmdline/apt-get.cc | 198 +++++++++++++++++++++++++++++++++++------------------ 1 file changed, 132 insertions(+), 66 deletions(-) (limited to 'cmdline/apt-get.cc') diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc index 06422ada5..e134acf7a 100644 --- a/cmdline/apt-get.cc +++ b/cmdline/apt-get.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: apt-get.cc,v 1.80 1999/10/18 00:37:35 jgg Exp $ +// $Id: apt-get.cc,v 1.81 1999/10/21 06:35:00 jgg Exp $ /* ###################################################################### apt-get - Cover for dpkg @@ -52,6 +52,7 @@ #include #include #include +#include #include /*}}}*/ @@ -730,6 +731,105 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,bool Saftey = } } /*}}}*/ +// TryToInstall - Try to install a single package /*{{{*/ +// --------------------------------------------------------------------- +/* This used to be inlined in DoInstall, but with the advent of regex package + name matching it was split out.. */ +bool TryToInstall(pkgCache::PkgIterator Pkg,pkgDepCache &Cache, + pkgProblemResolver &Fix,bool Remove,bool BrokenFix, + unsigned int &ExpectedInst,bool AllowFail = true) +{ + /* This is a pure virtual package and there is a single available + provides */ + if (Cache[Pkg].CandidateVer == 0 && Pkg->ProvidesList != 0 && + Pkg.ProvidesList()->NextProvides == 0) + { + pkgCache::PkgIterator Tmp = Pkg.ProvidesList().OwnerPkg(); + c1out << "Note, installing " << Tmp.Name() << " instead of " << Pkg.Name() << endl; + Pkg = Tmp; + } + + // Handle the no-upgrade case + if (_config->FindB("APT::Get::no-upgrade",false) == true && + Pkg->CurrentVer != 0) + { + if (AllowFail == true) + c1out << "Skipping " << Pkg.Name() << ", it is already installed and no-upgrade is set." << endl; + return true; + } + + // Check if there is something at all to install + pkgDepCache::StateCache &State = Cache[Pkg]; + if (State.CandidateVer == 0) + { + if (AllowFail == false) + return false; + + if (Pkg->ProvidesList != 0) + { + c1out << "Package " << Pkg.Name() << " is a virtual package provided by:" << endl; + + pkgCache::PrvIterator I = Pkg.ProvidesList(); + for (; I.end() == false; I++) + { + pkgCache::PkgIterator Pkg = I.OwnerPkg(); + + if (Cache[Pkg].CandidateVerIter(Cache) == I.OwnerVer()) + { + if (Cache[Pkg].Install() == true && Cache[Pkg].NewInstall() == false) + c1out << " " << Pkg.Name() << " " << I.OwnerVer().VerStr() << + " [Installed]"<< endl; + else + c1out << " " << Pkg.Name() << " " << I.OwnerVer().VerStr() << endl; + } + } + c1out << "You should explicitly select one to install." << endl; + } + else + { + c1out << "Package " << Pkg.Name() << " has no available version, but exists in the database." << endl; + c1out << "This typically means that the package was mentioned in a dependency and " << endl; + c1out << "never uploaded, or that it is an obsolete package." << endl; + + string List; + pkgCache::DepIterator Dep = Pkg.RevDependsList(); + for (; Dep.end() == false; Dep++) + { + if (Dep->Type != pkgCache::Dep::Replaces) + continue; + List += string(Dep.ParentPkg().Name()) + " "; + } + ShowList(c1out,"However the following packages replace it:",List); + } + + _error->Error("Package %s has no installation candidate",Pkg.Name()); + return false; + } + + 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 (AllowFail == true) + c1out << "Sorry, " << Pkg.Name() << " is already the newest version" << endl; + } + else + ExpectedInst++; + + // Install it with autoinstalling enabled. + if (State.InstBroken() == true && BrokenFix == false) + Cache.MarkInstall(Pkg,true); + return true; +} + /*}}}*/ // DoUpdate - Update the package lists /*{{{*/ // --------------------------------------------------------------------- @@ -874,78 +974,44 @@ bool DoInstall(CommandLine &CmdL) pkgCache::PkgIterator Pkg = Cache->FindPkg(S); Packages++; if (Pkg.end() == true) - return _error->Error("Couldn't find package %s",S); - - // Handle the no-upgrade case - if (_config->FindB("APT::Get::no-upgrade",false) == true && - Pkg->CurrentVer != 0) - { - c1out << "Skipping " << Pkg.Name() << ", it is already installed and no-upgrade is set." << endl; - continue; - } - - // Check if there is something new to install - pkgDepCache::StateCache &State = (*Cache)[Pkg]; - if (State.CandidateVer == 0) { - if (Pkg->ProvidesList != 0) - { - c1out << "Package " << S << " is a virtual package provided by:" << endl; - - pkgCache::PrvIterator I = Pkg.ProvidesList(); - for (; I.end() == false; I++) - { - pkgCache::PkgIterator Pkg = I.OwnerPkg(); - - if ((*Cache)[Pkg].CandidateVerIter(*Cache) == I.OwnerVer()) - { - if ((*Cache)[Pkg].Install() == true && (*Cache)[Pkg].NewInstall() == false) - c1out << " " << Pkg.Name() << " " << I.OwnerVer().VerStr() << - " [Installed]"<< endl; - else - c1out << " " << Pkg.Name() << " " << I.OwnerVer().VerStr() << endl; - } - } - c1out << "You should explicly select one to install." << endl; - } - else + // Check if the name is a regex + const char *I; + for (I = S; *I != 0; I++) + if (*I == '.' || *I == '?' || *I == '*') + break; + if (*I == 0) + return _error->Error("Couldn't find package %s",S); + + // Regexs must always be confirmed + ExpectedInst += 1000; + + // Compile the regex pattern + regex_t Pattern; + if (regcomp(&Pattern,S,REG_EXTENDED | REG_ICASE | + REG_NOSUB) != 0) + return _error->Error("Regex compilation error"); + + // Run over the matches + bool Hit = false; + for (Pkg = Cache->PkgBegin(); Pkg.end() == false; Pkg++) { - c1out << "Package " << S << " has no available version, but exists in the database." << endl; - c1out << "This typically means that the package was mentioned in a dependency and " << endl; - c1out << "never uploaded, or that it is an obsolete package." << endl; + if (regexec(&Pattern,Pkg.Name(),0,0,0) != 0) + continue; - string List; - pkgCache::DepIterator Dep = Pkg.RevDependsList(); - for (; Dep.end() == false; Dep++) - { - if (Dep->Type != pkgCache::Dep::Replaces) - continue; - List += string(Dep.ParentPkg().Name()) + " "; - } - ShowList(c1out,"However the following packages replace it:",List); + Hit |= TryToInstall(Pkg,Cache,Fix,Remove,BrokenFix, + ExpectedInst,false); } + regfree(&Pattern); - return _error->Error("Package %s has no installation candidate",S); + if (Hit == false) + return _error->Error("Couldn't find package %s",S); } - - Fix.Protect(Pkg); - if (Remove == true) - { - Fix.Remove(Pkg); - Cache->MarkDelete(Pkg,_config->FindB("APT::Get::Purge",false)); - continue; - } - - // Install it - Cache->MarkInstall(Pkg,false); - if (State.Install() == false) - c1out << "Sorry, " << S << " is already the newest version" << endl; else - ExpectedInst++; - - // Install it with autoinstalling enabled. - if (State.InstBroken() == true && BrokenFix == false) - Cache->MarkInstall(Pkg,true); + { + if (TryToInstall(Pkg,Cache,Fix,Remove,BrokenFix,ExpectedInst) == false) + return false; + } } /* If we are in the Broken fixing mode we do not attempt to fix the -- cgit v1.2.3