X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/7296e47e10687e554a4756f65e9c842f88e696e3..99ba7cc1901c761c97d67775f23858b86594f2ba:/cmdline/apt-mark.cc diff --git a/cmdline/apt-mark.cc b/cmdline/apt-mark.cc index ef4331714..0cba31e70 100644 --- a/cmdline/apt-mark.cc +++ b/cmdline/apt-mark.cc @@ -11,34 +11,45 @@ #include #include #include +#include #include -#include #include -#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include -#include #include -#include -#include -#include -#include #include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include #include /*}}}*/ using namespace std; -ostream c0out(0); -ostream c1out(0); -ostream c2out(0); -ofstream devnull("/dev/null"); /* DoAuto - mark packages as automatically/manually installed {{{*/ -bool DoAuto(CommandLine &CmdL) +static bool DoAuto(CommandLine &CmdL) { pkgCacheFile CacheFile; - pkgCache *Cache = CacheFile.GetPkgCache(); - pkgDepCache *DepCache = CacheFile.GetDepCache(); - if (unlikely(Cache == NULL || DepCache == NULL)) + pkgDepCache * const DepCache = CacheFile.GetDepCache(); + if (unlikely(DepCache == nullptr)) return false; APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1); @@ -80,12 +91,11 @@ bool DoAuto(CommandLine &CmdL) /* DoMarkAuto - mark packages as automatically/manually installed {{{*/ /* Does the same as DoAuto but tries to do it exactly the same why as the python implementation did it so it can be a drop-in replacement */ -bool DoMarkAuto(CommandLine &CmdL) +static bool DoMarkAuto(CommandLine &CmdL) { pkgCacheFile CacheFile; - pkgCache *Cache = CacheFile.GetPkgCache(); - pkgDepCache *DepCache = CacheFile.GetDepCache(); - if (unlikely(Cache == NULL || DepCache == NULL)) + pkgDepCache * const DepCache = CacheFile.GetDepCache(); + if (unlikely(DepCache == nullptr)) return false; APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1); @@ -117,12 +127,11 @@ bool DoMarkAuto(CommandLine &CmdL) } /*}}}*/ /* ShowAuto - show automatically installed packages (sorted) {{{*/ -bool ShowAuto(CommandLine &CmdL) +static bool ShowAuto(CommandLine &CmdL) { pkgCacheFile CacheFile; - pkgCache *Cache = CacheFile.GetPkgCache(); - pkgDepCache *DepCache = CacheFile.GetDepCache(); - if (unlikely(Cache == NULL || DepCache == NULL)) + pkgDepCache * const DepCache = CacheFile.GetDepCache(); + if (unlikely(DepCache == nullptr)) return false; std::vector packages; @@ -131,8 +140,8 @@ bool ShowAuto(CommandLine &CmdL) if (CmdL.FileList[1] == 0) { - packages.reserve(Cache->HeaderP->PackageCount / 3); - for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P) + packages.reserve(DepCache->Head().PackageCount / 3); + for (pkgCache::PkgIterator P = DepCache->PkgBegin(); P.end() == false; ++P) if (P->CurrentVer != 0 && (((*DepCache)[P].Flags & pkgCache::Flag::Auto) == pkgCache::Flag::Auto) == ShowAuto) packages.push_back(P.FullName(true)); @@ -156,185 +165,98 @@ bool ShowAuto(CommandLine &CmdL) return true; } /*}}}*/ -/* DoHold - mark packages as hold by dpkg {{{*/ -bool DoHold(CommandLine &CmdL) +// DoSelection - wrapping around dpkg selections /*{{{*/ +static bool DoSelection(CommandLine &CmdL) { pkgCacheFile CacheFile; - pkgCache *Cache = CacheFile.GetPkgCache(); - if (unlikely(Cache == NULL)) + pkgCache * const Cache = CacheFile.GetPkgCache(); + if (unlikely(Cache == nullptr)) return false; - // Generate the base argument list for dpkg - std::vector Args; - string Tmp = _config->Find("Dir::Bin::dpkg","dpkg"); - { - string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/"); - size_t dpkgChrootLen = dpkgChrootDir.length(); - if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0) - { - if (dpkgChrootDir[dpkgChrootLen - 1] == '/') - --dpkgChrootLen; - Tmp = Tmp.substr(dpkgChrootLen); - } - } - Args.push_back(Tmp.c_str()); - - // Stick in any custom dpkg options - Configuration::Item const *Opts = _config->Tree("DPkg::Options"); - if (Opts != 0) - { - Opts = Opts->Child; - for (; Opts != 0; Opts = Opts->Next) - { - if (Opts->Value.empty() == true) - continue; - Args.push_back(Opts->Value.c_str()); - } - } - - size_t const BaseArgs = Args.size(); - // we need to detect if we can qualify packages with the architecture or not - Args.push_back("--assert-multi-arch"); - Args.push_back(NULL); - - - pid_t dpkgAssertMultiArch = ExecFork(); - if (dpkgAssertMultiArch == 0) - { - std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory"); - if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0) - _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --assert-multi-arch", chrootDir.c_str()); - // redirect everything to the ultimate sink as we only need the exit-status - int const nullfd = open("/dev/null", O_RDONLY); - dup2(nullfd, STDIN_FILENO); - dup2(nullfd, STDOUT_FILENO); - dup2(nullfd, STDERR_FILENO); - execvp(Args[0], (char**) &Args[0]); - _error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!"); - _exit(2); - } - - APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1); + APT::VersionVector pkgset = APT::VersionVector::FromCommandLine(CacheFile, CmdL.FileList + 1, APT::CacheSetHelper::INSTCAND); if (pkgset.empty() == true) return _error->Error(_("No packages found")); - bool const MarkHold = strcasecmp(CmdL.FileList[0],"hold") == 0; - - for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end();) + APT::StateChanges marks; + if (strcasecmp(CmdL.FileList[0], "hold") == 0 || strcasecmp(CmdL.FileList[0], "unhold") == 0) { - if ((Pkg->SelectedState == pkgCache::State::Hold) == MarkHold) - { - if (MarkHold == true) - ioprintf(c1out,_("%s was already set on hold.\n"), Pkg.FullName(true).c_str()); - else - ioprintf(c1out,_("%s was already not hold.\n"), Pkg.FullName(true).c_str()); - Pkg = pkgset.erase(Pkg, true); - } - else - ++Pkg; - } - - bool dpkgMultiArch = false; - if (dpkgAssertMultiArch > 0) - { - int Status = 0; - while (waitpid(dpkgAssertMultiArch, &Status, 0) != dpkgAssertMultiArch) - { - if (errno == EINTR) - continue; - _error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --assert-multi-arch"); - break; - } - if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0) - dpkgMultiArch = true; - } - - if (pkgset.empty() == true) - return true; - - if (_config->FindB("APT::Mark::Simulate", false) == true) - { - for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg) - { - if (MarkHold == false) - ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str()); - else - ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str()); - } - return true; - } - - Args.erase(Args.begin() + BaseArgs, Args.end()); - Args.push_back("--set-selections"); - Args.push_back(NULL); - - int external[2] = {-1, -1}; - if (pipe(external) != 0) - return _error->WarningE("DoHold", "Can't create IPC pipe for dpkg --set-selections"); + auto const part = std::stable_partition(pkgset.begin(), pkgset.end(), + [](pkgCache::VerIterator const &V) { return V.ParentPkg()->SelectedState == pkgCache::State::Hold; }); + + bool const MarkHold = strcasecmp(CmdL.FileList[0],"hold") == 0; + auto const doneBegin = MarkHold ? pkgset.begin() : part; + auto const doneEnd = MarkHold ? part : pkgset.end(); + std::for_each(doneBegin, doneEnd, [&MarkHold](pkgCache::VerIterator const &V) { + if (MarkHold == true) + ioprintf(c1out, _("%s was already set on hold.\n"), V.ParentPkg().FullName(true).c_str()); + else + ioprintf(c1out, _("%s was already not hold.\n"), V.ParentPkg().FullName(true).c_str()); + }); + + if (doneBegin == pkgset.begin() && doneEnd == pkgset.end()) + return true; - pid_t dpkgSelection = ExecFork(); - if (dpkgSelection == 0) - { - close(external[1]); - std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory"); - if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0) - _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --set-selections", chrootDir.c_str()); - int const nullfd = open("/dev/null", O_RDONLY); - dup2(external[0], STDIN_FILENO); - dup2(nullfd, STDOUT_FILENO); - dup2(nullfd, STDERR_FILENO); - execvp(Args[0], (char**) &Args[0]); - _error->WarningE("dpkgGo", "Can't detect if dpkg supports multi-arch!"); - _exit(2); + auto const changeBegin = MarkHold ? part : pkgset.begin(); + auto const changeEnd = MarkHold ? pkgset.end() : part; + std::move(changeBegin, changeEnd, std::back_inserter(MarkHold ? marks.Hold() : marks.Unhold())); } - - FILE* dpkg = fdopen(external[1], "w"); - for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg) + else { - if (MarkHold == true) - { - fprintf(dpkg, "%s hold\n", Pkg.FullName(!dpkgMultiArch).c_str()); - ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str()); - } - else - { - fprintf(dpkg, "%s install\n", Pkg.FullName(!dpkgMultiArch).c_str()); - ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str()); - } + // FIXME: Maybe show a message for unchanged states here as well? + if (strcasecmp(CmdL.FileList[0], "purge") == 0) + std::swap(marks.Purge(), pkgset); + else if (strcasecmp(CmdL.FileList[0], "deinstall") == 0 || strcasecmp(CmdL.FileList[0], "remove") == 0) + std::swap(marks.Remove(), pkgset); + else //if (strcasecmp(CmdL.FileList[0], "install") == 0) + std::swap(marks.Install(), pkgset); } - fclose(dpkg); + pkgset.clear(); - if (dpkgSelection > 0) + bool success = true; + if (_config->FindB("APT::Mark::Simulate", false) == false) { - int Status = 0; - while (waitpid(dpkgSelection, &Status, 0) != dpkgSelection) - { - if (errno == EINTR) - continue; - _error->WarningE("dpkgGo", _("Waited for %s but it wasn't there"), "dpkg --set-selection"); - break; - } - if (WIFEXITED(Status) == true && WEXITSTATUS(Status) == 0) - return true; + success = marks.Save(); + if (success == false) + _error->Error(_("Executing dpkg failed. Are you root?")); } - return _error->Error(_("Executing dpkg failed. Are you root?")); + for (auto Ver : marks.Hold()) + ioprintf(c1out,_("%s set on hold.\n"), Ver.ParentPkg().FullName(true).c_str()); + for (auto Ver : marks.Unhold()) + ioprintf(c1out,_("Canceled hold on %s.\n"), Ver.ParentPkg().FullName(true).c_str()); + for (auto Ver : marks.Purge()) + ioprintf(c1out,_("Selected %s for purge.\n"), Ver.ParentPkg().FullName(true).c_str()); + for (auto Ver : marks.Remove()) + ioprintf(c1out,_("Selected %s for removal.\n"), Ver.ParentPkg().FullName(true).c_str()); + for (auto Ver : marks.Install()) + ioprintf(c1out,_("Selected %s for installation.\n"), Ver.ParentPkg().FullName(true).c_str()); + return success; } /*}}}*/ -/* ShowHold - show packages set on hold in dpkg status {{{*/ -bool ShowHold(CommandLine &CmdL) +static bool ShowSelection(CommandLine &CmdL) /*{{{*/ { pkgCacheFile CacheFile; - pkgCache *Cache = CacheFile.GetPkgCache(); - if (unlikely(Cache == NULL)) + pkgCache * const Cache = CacheFile.GetPkgCache(); + if (unlikely(Cache == nullptr)) return false; + pkgCache::State::PkgSelectedState selector; + if (strncasecmp(CmdL.FileList[0], "showpurge", strlen("showpurge")) == 0) + selector = pkgCache::State::Purge; + else if (strncasecmp(CmdL.FileList[0], "showdeinstall", strlen("showdeinstall")) == 0 || + strncasecmp(CmdL.FileList[0], "showremove", strlen("showremove")) == 0) + selector = pkgCache::State::DeInstall; + else if (strncasecmp(CmdL.FileList[0], "showhold", strlen("showhold")) == 0) + selector = pkgCache::State::Hold; + else //if (strcasecmp(CmdL.FileList[0], "showinstall", strlen("showinstall")) == 0) + selector = pkgCache::State::Install; + std::vector packages; if (CmdL.FileList[1] == 0) { packages.reserve(50); // how many holds are realistic? I hope just a few… for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P) - if (P->SelectedState == pkgCache::State::Hold) + if (P->SelectedState == selector) packages.push_back(P.FullName(true)); } else @@ -343,7 +265,7 @@ bool ShowHold(CommandLine &CmdL) APT::PackageSet pkgset = APT::PackageSet::FromCommandLine(CacheFile, CmdL.FileList + 1, helper); packages.reserve(pkgset.size()); for (APT::PackageSet::const_iterator P = pkgset.begin(); P != pkgset.end(); ++P) - if (P->SelectedState == pkgCache::State::Hold) + if (P->SelectedState == selector) packages.push_back(P.FullName(true)); } @@ -355,118 +277,50 @@ bool ShowHold(CommandLine &CmdL) return true; } /*}}}*/ -// ShowHelp - Show a help screen /*{{{*/ -// --------------------------------------------------------------------- -/* */ -bool ShowHelp(CommandLine &CmdL) +static bool ShowHelp(CommandLine &) /*{{{*/ { - ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION, - COMMON_ARCH,__DATE__,__TIME__); - - cout << + std::cout << _("Usage: apt-mark [options] {auto|manual} pkg1 [pkg2 ...]\n" "\n" "apt-mark is a simple command line interface for marking packages\n" - "as manual or automatical installed. It can also list marks.\n" - "\n" - "Commands:\n" - " auto - Mark the given packages as automatically installed\n" - " manual - Mark the given packages as manually installed\n" - "\n" - "Options:\n" - " -h This help text.\n" - " -q Loggable output - no progress indicator\n" - " -qq No output except for errors\n" - " -s No-act. Just prints what would be done.\n" - " -f read/write auto/manual marking in the given file\n" - " -c=? Read this configuration file\n" - " -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n" - "See the apt-mark(8) and apt.conf(5) manual pages for more information.") - << std::endl; + "as manually or automatically installed. It can also be used to\n" + "manipulate the dpkg(1) selection states of packages, and to list\n" + "all packages with or without a certain marking.\n"); return true; } /*}}}*/ +static std::vector GetCommands() /*{{{*/ +{ + return { + {"auto",&DoAuto, _("Mark the given packages as automatically installed")}, + {"manual",&DoAuto, _("Mark the given packages as manually installed")}, + {"hold",&DoSelection, _("Mark a package as held back")}, + {"unhold",&DoSelection, _("Unset a package set as held back")}, + {"install",&DoSelection, nullptr}, + {"remove",&DoSelection, nullptr}, // dpkg uses deinstall, but we use remove everywhere else + {"deinstall",&DoSelection, nullptr}, + {"purge",&DoSelection, nullptr}, + {"showauto",&ShowAuto, _("Print the list of automatically installed packages")}, + {"showmanual",&ShowAuto, _("Print the list of manually installed packages")}, + {"showhold",&ShowSelection, _("Print the list of package on hold")}, {"showholds",&ShowSelection, nullptr}, + {"showinstall",&ShowSelection, nullptr}, {"showinstalls",&ShowSelection, nullptr}, + {"showdeinstall",&ShowSelection, nullptr}, {"showdeinstalls",&ShowSelection, nullptr}, + {"showremove",&ShowSelection, nullptr}, {"showremoves",&ShowSelection, nullptr}, + {"showpurge",&ShowSelection, nullptr}, {"showpurges",&ShowSelection, nullptr}, + // obsolete commands for compatibility + {"markauto", &DoMarkAuto, nullptr}, + {"unmarkauto", &DoMarkAuto, nullptr}, + {nullptr, nullptr, nullptr} + }; +} + /*}}}*/ int main(int argc,const char *argv[]) /*{{{*/ { - CommandLine::Args Args[] = { - {'h',"help","help",0}, - {0,"version","version",0}, - {'q',"quiet","quiet",CommandLine::IntLevel}, - {'q',"silent","quiet",CommandLine::IntLevel}, - {'v',"verbose","APT::MarkAuto::Verbose",0}, - {'s',"simulate","APT::Mark::Simulate",0}, - {'s',"just-print","APT::Mark::Simulate",0}, - {'s',"recon","APT::Mark::Simulate",0}, - {'s',"dry-run","APT::Mark::Simulate",0}, - {'s',"no-act","APT::Mark::Simulate",0}, - {'f',"file","Dir::State::extended_states",CommandLine::HasArg}, - {'c',"config-file",0,CommandLine::ConfigFile}, - {'o',"option",0,CommandLine::ArbItem}, - {0,0,0,0}}; - CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp}, - {"auto",&DoAuto}, - {"manual",&DoAuto}, - {"hold",&DoHold}, - {"unhold",&DoHold}, - {"showauto",&ShowAuto}, - {"showmanual",&ShowAuto}, - {"showhold",&ShowHold}, - // be nice and forgive the typo - {"showholds",&ShowHold}, - // be nice and forgive it as it is technical right - {"install",&DoHold}, - // obsolete commands for compatibility - {"markauto", &DoMarkAuto}, - {"unmarkauto", &DoMarkAuto}, - {0,0}}; - - // Set up gettext support - setlocale(LC_ALL,""); - textdomain(PACKAGE); - - // Parse the command line and initialize the package library - CommandLine CmdL(Args,_config); - if (pkgInitConfig(*_config) == false || - CmdL.Parse(argc,argv) == false || - pkgInitSystem(*_config,_system) == false) - { - if (_config->FindB("version") == true) - ShowHelp(CmdL); - _error->DumpErrors(); - return 100; - } + CommandLine CmdL; + auto const Cmds = ParseCommandLine(CmdL, APT_CMD::APT_MARK, &_config, &_system, argc, argv, &ShowHelp, &GetCommands); - // See if the help should be shown - if (_config->FindB("help") == true || - _config->FindB("version") == true || - CmdL.FileSize() == 0) - { - ShowHelp(CmdL); - return 0; - } + InitOutput(); - // Deal with stdout not being a tty - if (!isatty(STDOUT_FILENO) && _config->FindI("quiet", -1) == -1) - _config->Set("quiet","1"); - - // Setup the output streams - c0out.rdbuf(cout.rdbuf()); - c1out.rdbuf(cout.rdbuf()); - c2out.rdbuf(cout.rdbuf()); - if (_config->FindI("quiet",0) > 0) - c0out.rdbuf(devnull.rdbuf()); - if (_config->FindI("quiet",0) > 1) - c1out.rdbuf(devnull.rdbuf()); - - // Match the operation - CmdL.DispatchArg(Cmds); - - // Print any errors or warnings found during parsing - bool const Errors = _error->PendingError(); - if (_config->FindI("quiet",0) > 0) - _error->DumpErrors(); - else - _error->DumpErrors(GlobalError::DEBUG); - return Errors == true ? 100 : 0; + return DispatchCommandLine(CmdL, Cmds); } /*}}}*/