+ for (vector<string>::const_iterator I = packages.begin(); I != packages.end(); ++I)
+ std::cout << *I << std::endl;
+
+ return true;
+}
+ /*}}}*/
+/* DoHold - mark packages as hold by dpkg {{{*/
+static bool DoHold(CommandLine &CmdL)
+{
+ pkgCacheFile CacheFile;
+ pkgCache *Cache = CacheFile.GetPkgCache();
+ if (unlikely(Cache == NULL))
+ return false;
+
+ // Generate the base argument list for dpkg
+ std::vector<const char *> 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");
+ // 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);
+ if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
+ _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --assert-multi-arch", chrootDir.c_str());
+ 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);
+ 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();)
+ {
+ 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");
+
+ 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 && chdir("/") != 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);
+ }
+
+ FILE* dpkg = fdopen(external[1], "w");
+ for (APT::PackageList::iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
+ {
+ if (dpkgMultiArch == false)
+ fprintf(dpkg, "%s", Pkg.FullName(true).c_str());
+ else
+ {
+ if (Pkg->CurrentVer != 0)
+ fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.CurrentVer().Arch());
+ else if (Pkg.VersionList().end() == false)
+ fprintf(dpkg, "%s:%s", Pkg.Name(), Pkg.VersionList().Arch());
+ else
+ fprintf(dpkg, "%s", Pkg.FullName(false).c_str());
+ }
+
+ if (MarkHold == true)
+ {
+ fprintf(dpkg, " hold\n");
+ ioprintf(c1out,_("%s set on hold.\n"), Pkg.FullName(true).c_str());
+ }
+ else
+ {
+ fprintf(dpkg, " install\n");
+ ioprintf(c1out,_("Canceled hold on %s.\n"), Pkg.FullName(true).c_str());
+ }
+ }
+ fclose(dpkg);
+
+ if (dpkgSelection > 0)
+ {
+ 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;
+ }
+ return _error->Error(_("Executing dpkg failed. Are you root?"));
+}
+ /*}}}*/
+/* ShowHold - show packages set on hold in dpkg status {{{*/
+static bool ShowHold(CommandLine &CmdL)
+{
+ pkgCacheFile CacheFile;
+ pkgCache *Cache = CacheFile.GetPkgCache();
+ if (unlikely(Cache == NULL))
+ return false;
+
+ std::vector<string> 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)
+ packages.push_back(P.FullName(true));
+ }
+ else
+ {
+ APT::CacheSetHelper helper(false); // do not show errors
+ 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)
+ packages.push_back(P.FullName(true));
+ }
+
+ std::sort(packages.begin(), packages.end());
+
projects / apt.git / blobdiff