From 36375005d9e971d2fdfc62224671f009ce7adaf9 Mon Sep 17 00:00:00 2001 From: Arch Librarian Date: Mon, 20 Sep 2004 16:53:24 +0000 Subject: working apt-get source Author: jgg Date: 1999-04-07 05:30:17 GMT working apt-get source --- cmdline/apt-get.cc | 164 +++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 158 insertions(+), 6 deletions(-) (limited to 'cmdline/apt-get.cc') diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc index 859f113f1..e77437888 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 1.48 1999/03/29 19:28:52 jgg Exp $ +// $Id: apt-get.cc,v 1.49 1999/04/07 05:30:18 jgg Exp $ /* ###################################################################### apt-get - Cover for dpkg @@ -37,6 +37,8 @@ #include #include #include +#include +#include #include @@ -519,9 +521,10 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,bool Saftey = 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"); } @@ -590,9 +593,9 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,bool Saftey = 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 is bad'" << endl; + c2out << "To continue type in the phrase 'Yes, I understand this may be bad'" << endl; c2out << " ?] " << flush; - if (AnalPrompt("Yes, I understand this is bad") == false) + if (AnalPrompt("Yes, I understand this may be bad") == false) { c2out << "Abort." << endl; exit(1); @@ -617,6 +620,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,bool Saftey = } } + // 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(); @@ -646,7 +650,7 @@ bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true,bool Saftey = continue; } - cerr << "Failed to fetch " << (*I)->Describe() << endl; + cerr << "Failed to fetch " << (*I)->DescURI() << endl; cerr << " " << (*I)->ErrorText << endl; Failed = true; } @@ -688,9 +692,10 @@ 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"); } @@ -1082,7 +1087,153 @@ bool DoCheck(CommandLine &CmdL) return true; } /*}}}*/ +// DoSource - Fetch a source archive /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool DoSource(CommandLine &CmdL) +{ + CacheFile Cache; + if (Cache.Open(true) == false) + return false; + + // 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); + + // Load the requestd sources into the fetcher + for (const char **I = CmdL.FileList + 1; *I != 0; I++) + { + 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"; + 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 + 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; + } + + return true; +} + /*}}}*/ + // ShowHelp - Show a help screen /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -1191,6 +1342,7 @@ int main(int argc,const char *argv[]) {"clean",&DoClean}, {"autoclean",&DoAutoClean}, {"check",&DoCheck}, + {"source",&DoSource}, {"help",&ShowHelp}, {0,0}}; -- cgit v1.2.3