// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: apt-get.cc,v 1.41 1999/02/15 05:24:35 jgg Exp $
+// $Id: apt-get.cc,v 1.56 1999/04/20 05:14:55 jgg Exp $
/* ######################################################################
apt-get - Cover for dpkg
#include <apt-pkg/init.h>
#include <apt-pkg/depcache.h>
#include <apt-pkg/sourcelist.h>
-#include <apt-pkg/pkgcachegen.h>
#include <apt-pkg/algorithms.h>
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/dpkgpm.h>
-#include <apt-pkg/dpkginit.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/clean.h>
+#include <apt-pkg/srcrecords.h>
+#include <apt-pkg/version.h>
+#include <apt-pkg/cachefile.h>
#include <config.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
+#include <sys/vfs.h>
#include <signal.h>
#include <unistd.h>
#include <stdio.h>
+#include <errno.h>
+#include <sys/wait.h>
/*}}}*/
ostream c0out;
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
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)
// 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");
// ---------------------------------------------------------------------
/* 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);
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
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");
}
// Display statistics
unsigned long FetchBytes = Fetcher.FetchNeeded();
+ unsigned long FetchPBytes = Fetcher.PartialPresent();
unsigned long DebBytes = Fetcher.TotalNeeded();
if (DebBytes != Cache->DebSize())
{
c0out << DebBytes << ',' << Cache->DebSize() << endl;
c0out << "How odd.. The sizes didn't match, email apt@packages.debian.org" << endl;
}
-
+
+ // Check for enough free space
+ struct statfs Buf;
+ string OutputDir = _config->FindDir("Dir::Cache::Archives");
+ 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
- c2out << "Need to get ";
+ c1out << "Need to get ";
if (DebBytes != FetchBytes)
- c2out << SizeToStr(FetchBytes) << "b/" << SizeToStr(DebBytes) << 'b';
+ c1out << SizeToStr(FetchBytes) << "b/" << SizeToStr(DebBytes) << 'b';
else
- c2out << SizeToStr(DebBytes) << 'b';
+ c1out << SizeToStr(DebBytes) << 'b';
c1out << " of archives. After unpacking ";
// Size delta
if (Cache->UsrSize() >= 0)
- c2out << SizeToStr(Cache->UsrSize()) << "b will be used." << endl;
+ c1out << SizeToStr(Cache->UsrSize()) << "b will be used." << endl;
else
- c2out << SizeToStr(-1*Cache->UsrSize()) << "b will be freed." << endl;
+ c1out << SizeToStr(-1*Cache->UsrSize()) << "b will be freed." << endl;
if (_error->PendingError() == 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();
continue;
}
- cerr << "Failed to fetch " << (*I)->Describe() << endl;
+ cerr << "Failed to fetch " << (*I)->DescURI() << endl;
cerr << " " << (*I)->ErrorText << endl;
Failed = true;
}
return _error->Error("Aborting Install.");
}
- Cache.Lock.Close();
+ Cache.ReleaseLock();
return PM.DoInstall();
}
/*}}}*/
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");
}
bool DoUpgrade(CommandLine &CmdL)
{
CacheFile Cache;
- if (Cache.Open() == false)
+ if (Cache.Open() == false || Cache.CheckDeps() == false)
return false;
// Do the upgrade
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
bool DoDistUpgrade(CommandLine &CmdL)
{
CacheFile Cache;
- if (Cache.Open() == false)
+ if (Cache.Open() == false || Cache.CheckDeps() == false)
return false;
c0out << "Calculating Upgrade... " << flush;
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
bool DoAutoClean(CommandLine &CmdL)
{
CacheFile Cache;
- if (Cache.Open(true) == false)
+ if (Cache.Open() == false)
return false;
LogCleaner Cleaner;
{
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<pkgSrcRecords::File> Lst;
+ if (Last->Jump(Offset) == false || Last->Files(Lst) == false)
+ return false;
+
+ // Load them into the fetcher
+ for (vector<pkgSrcRecords::File>::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 /*{{{*/
// ---------------------------------------------------------------------
/* */
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;
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;
{'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},
{"clean",&DoClean},
{"autoclean",&DoAutoClean},
{"check",&DoCheck},
+ {"source",&DoSource},
{"help",&ShowHelp},
{0,0}};
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());
projects / apt.git / blobdiff