X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/138d4b3d84035f2e0547d7de999d7c7ebb6b7adc..d6e79b75582b25065e2e1e843191c93d1f56ec3a:/cmdline/apt-get.cc diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc index da364e03c..0228bb395 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 1.43 1999/02/21 08:38:53 jgg Exp $ +// $Id: apt-get.cc,v 1.56 1999/04/20 05:14:55 jgg Exp $ /* ###################################################################### apt-get - Cover for dpkg @@ -30,13 +30,14 @@ #include #include #include -#include #include #include #include -#include #include #include +#include +#include +#include #include @@ -50,6 +51,8 @@ #include #include #include +#include +#include /*}}}*/ ostream c0out; @@ -79,6 +82,18 @@ bool YnPrompt() return true; } /*}}}*/ +// 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 seperated words with a title and @@ -149,7 +164,7 @@ void ShowBroken(ostream &out,pkgDepCache &Cache) out << ' '; First = false; - cout << ' ' << End.DepType() << ": " << End.TargetPkg().Name(); + out << ' ' << End.DepType() << ": " << End.TargetPkg().Name(); // Show a quick summary of the version requirements if (End.TargetVer() != 0) @@ -358,70 +373,27 @@ void Stats(ostream &out,pkgDepCache &Dep) // class CacheFile - Cover class for some dependency cache functions /*{{{*/ // --------------------------------------------------------------------- /* */ -class CacheFile +class CacheFile : public pkgCacheFile { public: - FileFd *File; - MMap *Map; - pkgDepCache *Cache; - pkgDpkgLock Lock; - - inline operator pkgDepCache &() {return *Cache;}; - inline pkgDepCache *operator ->() {return Cache;}; - inline pkgDepCache &operator *() {return *Cache;}; - - bool Open(bool AllowBroken = false); - CacheFile() : File(0), Map(0), Cache(0) {}; - ~CacheFile() + bool CheckDeps(bool AllowBroken = false); + bool Open(bool WithLock = true) { - delete Cache; - delete Map; - delete File; - } + OpTextProgress Prog(*_config); + return pkgCacheFile::Open(Prog,WithLock); + }; }; /*}}}*/ // CacheFile::Open - Open the cache file /*{{{*/ // --------------------------------------------------------------------- /* This routine generates the caches and then opens the dependency cache and verifies that the system is OK. */ -bool CacheFile::Open(bool AllowBroken) +bool CacheFile::CheckDeps(bool AllowBroken) { if (_error->PendingError() == true) return false; - - // Create a progress class - OpTextProgress Progress(*_config); - - // Read the source list - pkgSourceList List; - if (List.ReadMainList() == false) - return _error->Error("The list of sources could not be read."); - - // Build all of the caches - pkgMakeStatusCache(List,Progress); - if (_error->PendingError() == true) - return _error->Error("The package lists or status file could not be parsed or opened."); - if (_error->empty() == false) - _error->Warning("You may want to run apt-get update to correct theses missing files"); - - Progress.Done(); - - // Open the cache file - File = new FileFd(_config->FindFile("Dir::Cache::pkgcache"),FileFd::ReadOnly); - if (_error->PendingError() == true) - return false; - - Map = new MMap(*File,MMap::Public | MMap::ReadOnly); - if (_error->PendingError() == true) - return false; - - Cache = new pkgDepCache(*Map,Progress); - if (_error->PendingError() == true) - return false; - Progress.Done(); - // Check that the system is OK if (Cache->DelCount() != 0 || Cache->InstCount() != 0) return _error->Error("Internal Error, non-zero counts"); @@ -466,9 +438,10 @@ bool CacheFile::Open(bool AllowBroken) // --------------------------------------------------------------------- /* 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 InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,bool Saftey = true) { bool Fail = false; + bool Essential = false; // Show all the various warning indicators ShowDel(c1out,Cache); @@ -478,7 +451,8 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true) Fail |= !ShowHold(c1out,Cache); if (_config->FindB("APT::Get::Show-Upgraded",false) == true) ShowUpgraded(c1out,Cache); - Fail |= !ShowEssential(c1out,Cache); + Essential = !ShowEssential(c1out,Cache); + Fail |= Essential; Stats(c1out,Cache); // Sanity check @@ -505,9 +479,10 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true) return false; // Lock the archive directory + FileFd Lock; if (_config->FindB("Debug::NoLocking",false) == false) { - FileFd Lock(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock")); + Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock")); if (_error->PendingError() == true) return _error->Error("Unable to lock the download directory"); } @@ -529,6 +504,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true) // Display statistics unsigned long FetchBytes = Fetcher.FetchNeeded(); + unsigned long FetchPBytes = Fetcher.PartialPresent(); unsigned long DebBytes = Fetcher.TotalNeeded(); if (DebBytes != Cache->DebSize()) { @@ -542,7 +518,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true) if (statfs(OutputDir.c_str(),&Buf) != 0) return _error->Errno("statfs","Couldn't determine free space in %s", OutputDir.c_str()); - if (unsigned(Buf.f_bfree) < FetchBytes/Buf.f_bsize) + if (unsigned(Buf.f_bfree) < (FetchBytes - FetchPBytes)/Buf.f_bsize) return _error->Error("Sorry, you don't have enough free space in %s", OutputDir.c_str()); @@ -565,23 +541,44 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true) return false; // Fail safe check - if (_config->FindB("APT::Get::Assume-Yes",false) == true) + 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"); } - - // Prompt to continue - if (Ask == true) - { - 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) - exit(1); - } + if (Essential == true && Saftey == true) + { + c2out << "You are about to do something potentially harmful" << endl; + c2out << "To continue type in the phrase 'Yes, I understand this may be bad'" << endl; + c2out << " ?] " << flush; + if (AnalPrompt("Yes, I understand this may be bad") == false) + { + c2out << "Abort." << endl; + exit(1); + } + } + else + { + // Prompt to continue + if (Ask == true || Fail == true) + { + 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(); @@ -611,7 +608,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true) continue; } - cerr << "Failed to fetch " << (*I)->Describe() << endl; + cerr << "Failed to fetch " << (*I)->DescURI() << endl; cerr << " " << (*I)->ErrorText << endl; Failed = true; } @@ -637,7 +634,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true) return _error->Error("Aborting Install."); } - Cache.Lock.Close(); + Cache.ReleaseLock(); return PM.DoInstall(); } /*}}}*/ @@ -653,9 +650,10 @@ bool DoUpdate(CommandLine &) return false; // Lock the list directory + FileFd Lock; if (_config->FindB("Debug::NoLocking",false) == false) { - FileFd Lock(GetLock(_config->FindDir("Dir::State::Lists") + "lock")); + Lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock")); if (_error->PendingError() == true) return _error->Error("Unable to lock the list directory"); } @@ -697,7 +695,7 @@ bool DoUpdate(CommandLine &) bool DoUpgrade(CommandLine &CmdL) { CacheFile Cache; - if (Cache.Open() == false) + if (Cache.Open() == false || Cache.CheckDeps() == false) return false; // Do the upgrade @@ -716,7 +714,7 @@ bool DoUpgrade(CommandLine &CmdL) bool DoInstall(CommandLine &CmdL) { CacheFile Cache; - if (Cache.Open(CmdL.FileSize() != 1) == false) + if (Cache.Open() == false || Cache.CheckDeps(CmdL.FileSize() != 1) == false) return false; // Enter the special broken fixing mode if the user specified arguments @@ -909,7 +907,7 @@ bool DoInstall(CommandLine &CmdL) bool DoDistUpgrade(CommandLine &CmdL) { CacheFile Cache; - if (Cache.Open() == false) + if (Cache.Open() == false || Cache.CheckDeps() == false) return false; c0out << "Calculating Upgrade... " << flush; @@ -931,7 +929,7 @@ bool DoDistUpgrade(CommandLine &CmdL) bool DoDSelectUpgrade(CommandLine &CmdL) { CacheFile Cache; - if (Cache.Open() == false) + if (Cache.Open() == false || Cache.CheckDeps() == false) return false; // Install everything with the install flag set @@ -1026,7 +1024,7 @@ class LogCleaner : public pkgArchiveCleaner bool DoAutoClean(CommandLine &CmdL) { CacheFile Cache; - if (Cache.Open(true) == false) + if (Cache.Open() == false) return false; LogCleaner Cleaner; @@ -1043,11 +1041,247 @@ bool DoCheck(CommandLine &CmdL) { CacheFile Cache; Cache.Open(); + Cache.CheckDeps(); return true; } /*}}}*/ +// DoSource - Fetch a source archive /*{{{*/ +// --------------------------------------------------------------------- +/* Fetch souce packages */ +struct DscFile +{ + string Package; + string Version; + string Dsc; +}; + +bool DoSource(CommandLine &CmdL) +{ + CacheFile Cache; + if (Cache.Open(false) == false) + return false; + + if (CmdL.FileSize() <= 1) + return _error->Error("Must specify at least one package to fetch source for"); + + // Read the source list + pkgSourceList List; + if (List.ReadMainList() == false) + return _error->Error("The list of sources could not be read."); + + // Create the text record parsers + pkgRecords Recs(Cache); + pkgSrcRecords SrcRecs(List); + if (_error->PendingError() == true) + return false; + + // Create the download object + AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0)); + pkgAcquire Fetcher(&Stat); + + DscFile *Dsc = new DscFile[CmdL.FileSize()]; + + // Load the requestd sources into the fetcher + unsigned J = 0; + for (const char **I = CmdL.FileList + 1; *I != 0; I++, J++) + { + string Src; + + /* Lookup the version of the package we would install if we were to + install a version and determine the source package name, then look + in the archive for a source package of the same name. In theory + we could stash the version string as well and match that too but + today there aren't multi source versions in the archive. */ + pkgCache::PkgIterator Pkg = Cache->FindPkg(*I); + if (Pkg.end() == false) + { + pkgCache::VerIterator Ver = Cache->GetCandidateVer(Pkg); + if (Ver.end() == false) + { + pkgRecords::Parser &Parse = Recs.Lookup(Ver.FileList()); + Src = Parse.SourcePkg(); + } + } + + // No source package name.. + if (Src.empty() == true) + Src = *I; + + // The best hit + pkgSrcRecords::Parser *Last = 0; + unsigned long Offset = 0; + string Version; + + // Iterate over all of the hits + pkgSrcRecords::Parser *Parse; + SrcRecs.Restart(); + while ((Parse = SrcRecs.Find(Src.c_str(),false)) != 0) + { + string Ver = Parse->Version(); + if (Last == 0 || pkgVersionCompare(Version,Ver) < 0) + { + Last = Parse; + Offset = Parse->Offset(); + Version = Ver; + } + } + + if (Last == 0) + return _error->Error("Unable to find a source package for %s",Src.c_str()); + // Back track + vector Lst; + if (Last->Jump(Offset) == false || Last->Files(Lst) == false) + return false; + + // Load them into the fetcher + for (vector::const_iterator I = Lst.begin(); + I != Lst.end(); I++) + { + // Try to guess what sort of file it is we are getting. + string Comp; + if (I->Path.find(".dsc") != string::npos) + { + Comp = "dsc"; + Dsc[J].Package = Last->Package(); + Dsc[J].Version = Last->Version(); + Dsc[J].Dsc = flNotDir(I->Path); + } + + if (I->Path.find(".tar.gz") != string::npos) + Comp = "tar"; + if (I->Path.find(".diff.gz") != string::npos) + Comp = "diff"; + + new pkgAcqFile(&Fetcher,Last->Source()->ArchiveURI(I->Path), + I->MD5Hash,I->Size,Last->Source()->SourceInfo(Src, + Last->Version(),Comp),Src); + } + } + + // Display statistics + unsigned long FetchBytes = Fetcher.FetchNeeded(); + unsigned long FetchPBytes = Fetcher.PartialPresent(); + unsigned long DebBytes = Fetcher.TotalNeeded(); + + // Check for enough free space + struct statfs Buf; + string OutputDir = "."; + if (statfs(OutputDir.c_str(),&Buf) != 0) + return _error->Errno("statfs","Couldn't determine free space in %s", + OutputDir.c_str()); + if (unsigned(Buf.f_bfree) < (FetchBytes - FetchPBytes)/Buf.f_bsize) + return _error->Error("Sorry, you don't have enough free space in %s", + OutputDir.c_str()); + + // Number of bytes + c1out << "Need to get "; + if (DebBytes != FetchBytes) + c1out << SizeToStr(FetchBytes) << "b/" << SizeToStr(DebBytes) << 'b'; + else + c1out << SizeToStr(DebBytes) << 'b'; + c1out << " of source archives." << endl; + + // 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->MD5Sum() << endl; + return true; + } + + // Run it + if (Fetcher.Run() == false) + return false; + + // Print error messages + bool Failed = false; + for (pkgAcquire::Item **I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); I++) + { + if ((*I)->Status == pkgAcquire::Item::StatDone && + (*I)->Complete == true) + continue; + + cerr << "Failed to fetch " << (*I)->DescURI() << endl; + cerr << " " << (*I)->ErrorText << endl; + Failed = true; + } + if (Failed == true) + return _error->Error("Failed to fetch some archives."); + + if (_config->FindB("APT::Get::Download-only",false) == true) + return true; + + // Unpack the sources + pid_t Process = ExecFork(); + + if (Process == 0) + { + for (unsigned I = 0; I != J; I++) + { + string Dir = Dsc[I].Package + '-' + pkgBaseVersion(Dsc[I].Version.c_str()); + + // See if the package is already unpacked + struct stat Stat; + if (stat(Dir.c_str(),&Stat) == 0 && + S_ISDIR(Stat.st_mode) != 0) + { + c0out << "Skipping unpack of already unpacked source in " << Dir << endl; + } + else + { + // Call dpkg-source + char S[500]; + snprintf(S,sizeof(S),"%s -x %s", + _config->Find("Dir::Bin::dpkg-source","dpkg-source").c_str(), + Dsc[I].Dsc.c_str()); + if (system(S) != 0) + { + cerr << "Unpack command '" << S << "' failed." << endl; + _exit(1); + } + } + + // Try to compile it with dpkg-buildpackage + if (_config->FindB("APT::Get::Compile",false) == true) + { + // Call dpkg-buildpackage + char S[500]; + snprintf(S,sizeof(S),"cd %s && %s %s", + Dir.c_str(), + _config->Find("Dir::Bin::dpkg-buildpackage","dpkg-buildpackage").c_str(), + _config->Find("DPkg::Build-Options","-b -uc").c_str()); + + if (system(S) != 0) + { + cerr << "Build command '" << S << "' failed." << endl; + _exit(1); + } + } + } + + _exit(0); + } + + // Wait for the subprocess + int Status = 0; + while (waitpid(Process,&Status,0) != Process) + { + if (errno == EINTR) + continue; + return _error->Errno("waitpid","Couldn't wait for subprocess"); + } + + if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0) + return _error->Error("Child process failed"); + + return true; +} + /*}}}*/ + // ShowHelp - Show a help screen /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -1070,6 +1304,7 @@ bool ShowHelp(CommandLine &CmdL) cout << " upgrade - Perform an upgrade" << endl; cout << " install - Install new packages (pkg is libc6 not libc6.deb)" << endl; cout << " remove - Remove packages" << endl; + cout << " source - Download source archives" << endl; cout << " dist-upgrade - Distribution upgrade, see apt-get(8)" << endl; cout << " dselect-upgrade - Follow dselect selections" << endl; cout << " clean - Erase downloaded archive files" << endl; @@ -1087,7 +1322,7 @@ bool ShowHelp(CommandLine &CmdL) cout << " -m Attempt to continue if archives are unlocatable" << endl; cout << " -u Show a list of upgraded packages as well" << endl; cout << " -c=? Read this configuration file" << endl; - cout << " -o=? Set an arbitary configuration option, ie -o dir::cache=/tmp" << endl; + cout << " -o=? Set an arbitary configuration option, eg -o dir::cache=/tmp" << endl; cout << "See the apt-get(8), sources.list(5) and apt.conf(5) manual" << endl; cout << "pages for more information." << endl; return 100; @@ -1130,6 +1365,8 @@ int main(int argc,const char *argv[]) {'q',"quiet","quiet",CommandLine::IntLevel}, {'q',"silent","quiet",CommandLine::IntLevel}, {'d',"download-only","APT::Get::Download-Only",0}, + {'b',"compile","APT::Get::Compile",0}, + {'b',"build","APT::Get::Compile",0}, {'s',"simulate","APT::Get::Simulate",0}, {'s',"just-print","APT::Get::Simulate",0}, {'s',"recon","APT::Get::Simulate",0}, @@ -1156,6 +1393,7 @@ int main(int argc,const char *argv[]) {"clean",&DoClean}, {"autoclean",&DoAutoClean}, {"check",&DoCheck}, + {"source",&DoSource}, {"help",&ShowHelp}, {0,0}}; @@ -1174,6 +1412,10 @@ int main(int argc,const char *argv[]) CmdL.FileSize() == 0) return ShowHelp(CmdL); + // Deal with stdout not being a tty + if (ttyname(STDOUT_FILENO) == 0 && _config->FindI("quiet",0) < 1) + _config->Set("quiet","1"); + // Setup the output streams c0out.rdbuf(cout.rdbuf()); c1out.rdbuf(cout.rdbuf());