// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: apt-get.cc,v 1.7 1998/11/12 04:10:56 jgg Exp $
+// $Id: apt-get.cc,v 1.31 1998/12/14 02:23:47 jgg Exp $
/* ######################################################################
apt-get - Cover for dpkg
#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 <strutl.h>
#include <config.h>
#include "acqprogress.h"
#include <fstream.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+#include <signal.h>
+#include <stdio.h>
/*}}}*/
ostream c0out;
ofstream devnull("/dev/null");
unsigned int ScreenWidth = 80;
+// YnPrompt - Yes No Prompt. /*{{{*/
+// ---------------------------------------------------------------------
+/* Returns true on a Yes.*/
+bool YnPrompt()
+{
+ if (_config->FindB("APT::Get::Assume-Yes",false) == true)
+ {
+ c1out << 'Y' << endl;
+ return true;
+ }
+
+ char C = 0;
+ char Jnk = 0;
+ read(STDIN_FILENO,&C,1);
+ while (C != '\n' && Jnk != '\n') read(STDIN_FILENO,&Jnk,1);
+
+ if (!(C == 'Y' || C == 'y' || C == '\n' || C == '\r'))
+ return false;
+ return true;
+}
+ /*}}}*/
// ShowList - Show a list /*{{{*/
// ---------------------------------------------------------------------
/* This prints out a string of space seperated words with a title and
a two space indent line wraped to the current screen width. */
-void ShowList(ostream &out,string Title,string List)
+bool ShowList(ostream &out,string Title,string List)
{
if (List.empty() == true)
- return;
+ return true;
// Acount for the leading space
int ScreenWidth = ::ScreenWidth - 3;
out << " " << string(List,Start,End - Start) << endl;
Start = End + 1;
}
+ return false;
}
/*}}}*/
// ShowBroken - Debugging aide /*{{{*/
description. */
void ShowBroken(ostream &out,pkgDepCache &Cache)
{
- out << "Sorry, but the following packages are broken - this means they have unmet" << endl;
- out << "dependencies:" << endl;
+ out << "Sorry, but the following packages have unmet dependencies:" << endl;
pkgCache::PkgIterator I = Cache.PkgBegin();
for (;I.end() != true; I++)
{
continue;
}
- for (pkgCache::DepIterator D = Cache[I].InstVerIter(Cache).DependsList(); D.end() == false; D++)
+ for (pkgCache::DepIterator D = Cache[I].InstVerIter(Cache).DependsList(); D.end() == false;)
{
- if (Cache.IsImportantDep(D) == false || (Cache[D] &
- pkgDepCache::DepInstall) != 0)
+ // Compute a single dependency element (glob or)
+ pkgCache::DepIterator Start;
+ pkgCache::DepIterator End;
+ D.GlobOr(Start,End);
+
+ if (Cache.IsImportantDep(End) == false ||
+ (Cache[End] & pkgDepCache::DepGInstall) == pkgDepCache::DepGInstall)
continue;
if (First == false)
for (int J = 0; J != Indent; J++)
out << ' ';
First = false;
-
- if (D->Type == pkgCache::Dep::Conflicts)
- out << " Conflicts:" << D.TargetPkg().Name();
- else
- out << " Depends:" << D.TargetPkg().Name();
+
+ cout << ' ' << End.DepType() << ": " << End.TargetPkg().Name();
// Show a quick summary of the version requirements
- if (D.TargetVer() != 0)
- out << " (" << D.CompType() << " " << D.TargetVer() <<
+ if (End.TargetVer() != 0)
+ out << " (" << End.CompType() << " " << End.TargetVer() <<
")";
/* Show a summary of the target package if possible. In the case
of virtual packages we show nothing */
- pkgCache::PkgIterator Targ = D.TargetPkg();
+ pkgCache::PkgIterator Targ = End.TargetPkg();
if (Targ->ProvidesList == 0)
{
out << " but ";
for (;I.end() != true; I++)
if (Dep[I].Delete() == true)
List += string(I.Name()) + " ";
+
ShowList(out,"The following packages will be REMOVED:",List);
}
/*}}}*/
// ShowHold - Show held but changed packages /*{{{*/
// ---------------------------------------------------------------------
/* */
-void ShowHold(ostream &out,pkgDepCache &Dep)
+bool ShowHold(ostream &out,pkgDepCache &Dep)
{
pkgCache::PkgIterator I = Dep.PkgBegin();
string List;
List += string(I.Name()) + " ";
}
- ShowList(out,"The following held packages will be changed:",List);
+ return ShowList(out,"The following held packages will be changed:",List);
}
/*}}}*/
// ShowEssential - Show an essential package warning /*{{{*/
/* This prints out a warning message that is not to be ignored. It shows
all essential packages and their dependents that are to be removed.
It is insanely risky to remove the dependents of an essential package! */
-void ShowEssential(ostream &out,pkgDepCache &Dep)
+bool ShowEssential(ostream &out,pkgDepCache &Dep)
{
pkgCache::PkgIterator I = Dep.PkgBegin();
string List;
// Print out any essential package depenendents that are to be removed
for (pkgDepCache::DepIterator D = I.CurrentVer().DependsList(); D.end() == false; D++)
{
+ // Skip everything but depends
+ if (D->Type != pkgCache::Dep::PreDepends &&
+ D->Type != pkgCache::Dep::Depends)
+ continue;
+
pkgCache::PkgIterator P = D.SmartTargetPkg();
if (Dep[P].Delete() == true)
{
if (Added[P->ID] == true)
continue;
Added[P->ID] = true;
- List += string(P.Name()) + " ";
+
+ char S[300];
+ sprintf(S,"%s (due to %s) ",P.Name(),I.Name());
+ List += S;
}
}
}
+ delete [] Added;
if (List.empty() == false)
out << "WARNING: The following essential packages will be removed" << endl;
- ShowList(out,"This should NOT be done unless you know exactly what you are doing!",List);
-
- delete [] Added;
+ return ShowList(out,"This should NOT be done unless you know exactly what you are doing!",List);
}
/*}}}*/
// Stats - Show some statistics /*{{{*/
FileFd *File;
MMap *Map;
pkgDepCache *Cache;
+ pkgDpkgLock Lock;
inline operator pkgDepCache &() {return *Cache;};
inline pkgDepCache *operator ->() {return Cache;};
and verifies that the system is OK. */
bool CacheFile::Open()
{
+ if (_error->PendingError() == true)
+ return false;
+
// Create a progress class
OpTextProgress Progress(*_config);
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();
// ---------------------------------------------------------------------
/* This displays the informative messages describing what is going to
happen and then calls the download routines */
-bool InstallPackages(pkgDepCache &Cache,bool ShwKept)
+bool InstallPackages(CacheFile &Cache,bool ShwKept,bool Ask = true)
{
+ bool Fail = false;
+
+ // Show all the various warning indicators
ShowDel(c1out,Cache);
ShowNew(c1out,Cache);
if (ShwKept == true)
ShowKept(c1out,Cache);
- ShowHold(c1out,Cache);
+ Fail |= !ShowHold(c1out,Cache);
if (_config->FindB("APT::Get::Show-Upgraded",false) == true)
ShowUpgraded(c1out,Cache);
- ShowEssential(c1out,Cache);
+ Fail |= !ShowEssential(c1out,Cache);
Stats(c1out,Cache);
// Sanity check
- if (Cache.BrokenCount() != 0)
+ if (Cache->BrokenCount() != 0)
{
ShowBroken(c1out,Cache);
return _error->Error("Internal Error, InstallPackages was called with broken packages!");
}
- if (Cache.DelCount() == 0 && Cache.InstCount() == 0 &&
- Cache.BadCount() == 0)
- return true;
+ if (Cache->DelCount() == 0 && Cache->InstCount() == 0 &&
+ Cache->BadCount() == 0)
+ return true;
+
+ // Run the simulator ..
+ if (_config->FindB("APT::Get::Simulate") == true)
+ {
+ pkgSimulate PM(Cache);
+ return PM.DoInstall();
+ }
+
+ // Create the text record parser
+ pkgRecords Recs(Cache);
+ if (_error->PendingError() == true)
+ return false;
+
+ // Lock the archive directory
+ if (_config->FindB("Debug::NoLocking",false) == false)
+ {
+ FileFd Lock(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
+ if (_error->PendingError() == true)
+ return _error->Error("Unable to lock the download directory");
+ }
+
+ // Create the download object
+ AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));
+ pkgAcquire Fetcher(&Stat);
+
+ // Read the source list
+ pkgSourceList List;
+ if (List.ReadMainList() == false)
+ return _error->Error("The list of sources could not be read.");
+
+ // Create the package manager and prepare to download
+ pkgDPkgPM PM(Cache);
+ if (PM.GetArchives(&Fetcher,&List,&Recs) == false)
+ return false;
+
+ // Display statistics
+ unsigned long FetchBytes = Fetcher.FetchNeeded();
+ 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;
+ }
- return true;
+ // Number of bytes
+ c2out << "Need to get ";
+ if (DebBytes != FetchBytes)
+ c2out << SizeToStr(FetchBytes) << '/' << SizeToStr(DebBytes);
+ else
+ c2out << SizeToStr(DebBytes);
+
+ c1out << " of archives. After unpacking ";
+
+ // Size delta
+ if (Cache->UsrSize() >= 0)
+ c2out << SizeToStr(Cache->UsrSize()) << " will be used." << endl;
+ else
+ c2out << SizeToStr(-1*Cache->UsrSize()) << " will be freed." << endl;
+
+ if (_error->PendingError() == true)
+ return false;
+
+ // Fail safe check
+ if (_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);
+ }
+
+ // Run it
+ if (Fetcher.Run() == false)
+ return false;
+
+ // Print out errors
+ bool Failed = false;
+ bool Transient = false;
+ for (pkgAcquire::Item **I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); I++)
+ {
+ if ((*I)->Status == pkgAcquire::Item::StatDone &&
+ (*I)->Complete == true)
+ continue;
+
+ if ((*I)->Status == pkgAcquire::Item::StatIdle)
+ {
+ Transient = true;
+ Failed = true;
+ continue;
+ }
+
+ cerr << "Failed to fetch " << (*I)->Describe() << endl;
+ cerr << " " << (*I)->ErrorText << endl;
+ Failed = true;
+ }
+
+ if (_config->FindB("APT::Get::Download-Only",false) == true)
+ return true;
+
+ if (Failed == true && _config->FindB("APT::Get::Fix-Missing",false) == false)
+ {
+ if (Transient == true)
+ {
+ c2out << "Upgrading with disk swapping is not supported in this version." << endl;
+ c2out << "Try running multiple times with --fix-missing" << endl;
+ }
+
+ return _error->Error("Unable to fetch some archives, maybe try with --fix-missing?");
+ }
+
+ // Try to deal with missing package files
+ if (PM.FixMissing() == false)
+ {
+ cerr << "Unable to correct missing packages." << endl;
+ return _error->Error("Aborting Install.");
+ }
+
+ Cache.Lock.Close();
+ return PM.DoInstall();
}
/*}}}*/
if (List.ReadMainList() == false)
return false;
+ // Lock the list directory
+ if (_config->FindB("Debug::NoLocking",false) == false)
+ {
+ FileFd Lock(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
+ if (_error->PendingError() == true)
+ return _error->Error("Unable to lock the list directory");
+ }
+
// Create the download object
AcqTextStatus Stat(ScreenWidth,_config->FindI("quiet",0));
pkgAcquire Fetcher(&Stat);
if (Cache.Open() == false)
return false;
- int ExpectedInst = 0;
- int Packages = 0;
+ unsigned int ExpectedInst = 0;
+ unsigned int Packages = 0;
pkgProblemResolver Fix(Cache);
bool DefRemove = false;
// See if we are removing the package
bool Remove = DefRemove;
- if (S[Length - 1] == '-')
+ if (Cache->FindPkg(S).end() == true)
{
- Remove = true;
- S[--Length] = 0;
- }
- if (S[Length - 1] == '+')
- {
- Remove = false;
- S[--Length] = 0;
+ // Handle an optional end tag indicating what to do
+ if (S[Length - 1] == '-')
+ {
+ Remove = true;
+ S[--Length] = 0;
+ }
+ if (S[Length - 1] == '+')
+ {
+ Remove = false;
+ S[--Length] = 0;
+ }
}
// Locate the package
if (Pkg.end() == true)
return _error->Error("Couldn't find package %s",S);
+ // Handle the no-upgrade case
+ if (_config->FindB("APT::Get::no-upgrade",false) == true &&
+ Pkg->CurrentVer != 0)
+ {
+ c1out << "Skipping " << Pkg.Name() << ", it is already installed and no-upgrade is set." << endl;
+ continue;
+ }
+
// Check if there is something new to install
pkgDepCache::StateCache &State = (*Cache)[Pkg];
if (State.CandidateVer == 0)
c1out << "Package " << S << " has no available version, but exists in the database." << endl;
c1out << "This typically means that the package was mentioned in a dependency and " << endl;
c1out << "never uploaded, or that it is an obsolete package." << endl;
+
+ string List;
+ pkgCache::DepIterator Dep = Pkg.RevDependsList();
+ for (; Dep.end() == false; Dep++)
+ {
+ if (Dep->Type != pkgCache::Dep::Replaces)
+ continue;
+ List += string(Dep.ParentPkg().Name()) + " ";
+ }
+ ShowList(c1out,"However the following packages replace it:",List);
}
return _error->Error("Package %s has no installation candidate",S);
ShowList(c1out,"The following extra packages will be installed:",List);
}
- return InstallPackages(Cache,false);
+ // See if we need to prompt
+ if (Cache->InstCount() == ExpectedInst && Cache->DelCount() == 0)
+ return InstallPackages(Cache,false,false);
+
+ return InstallPackages(Cache,false);
}
/*}}}*/
// DoDistUpgrade - Automatic smart upgrader /*{{{*/
/* */
bool DoClean(CommandLine &CmdL)
{
+ pkgAcquire Fetcher;
+ Fetcher.Clean(_config->FindDir("Dir::Cache::archives"));
+ Fetcher.Clean(_config->FindDir("Dir::Cache::archives") + "partial/");
return true;
}
/*}}}*/
// ShowHelp - Show a help screen /*{{{*/
// ---------------------------------------------------------------------
/* */
-int ShowHelp()
+bool ShowHelp(CommandLine &CmdL)
{
cout << PACKAGE << ' ' << VERSION << " for " << ARCHITECTURE <<
" compiled on " << __DATE__ << " " << __TIME__ << endl;
cout << " check - Verify that there are no broken dependencies" << endl;
cout << endl;
cout << "Options:" << endl;
- cout << " -h This help text." << endl;
- cout << " -q Loggable output - no progress indicator" << endl;
+ cout << " -h This help text." << endl;
+ cout << " -q Loggable output - no progress indicator" << endl;
cout << " -qq No output except for errors" << endl;
cout << " -d Download only - do NOT install or unpack archives" << endl;
cout << " -s No-act. Perform ordering simulation" << endl;
_config->Set("APT::Get::Simulate",false);
_config->Set("APT::Get::Assume-Yes",false);
_config->Set("APT::Get::Fix-Broken",false);
+ _config->Set("APT::Get::Force-Yes",false);
+}
+ /*}}}*/
+// SigWinch - Window size change signal handler /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void SigWinch(int)
+{
+ // Riped from GNU ls
+#ifdef TIOCGWINSZ
+ struct winsize ws;
+
+ if (ioctl(1, TIOCGWINSZ, &ws) != -1 && ws.ws_col >= 5)
+ ScreenWidth = ws.ws_col - 1;
+#endif
}
/*}}}*/
{'y',"assume-yes","APT::Get::Assume-Yes",0},
{'f',"fix-broken","APT::Get::Fix-Broken",0},
{'u',"show-upgraded","APT::Get::Show-Upgraded",0},
- {'m',"ignore-missing","APT::Get::Fix-Broken",0},
+ {'m',"ignore-missing","APT::Get::Fix-Missing",0},
+ {0,"fix-missing","APT::Get::Fix-Missing",0},
{0,"ignore-hold","APT::Ingore-Hold",0},
+ {0,"no-upgrade","APT::Get::no-upgrade",0},
+ {0,"force-yes","APT::Get::force-yes",0},
{'c',"config-file",0,CommandLine::ConfigFile},
{'o',"option",0,CommandLine::ArbItem},
{0,0,0,0}};
+ CommandLine::Dispatch Cmds[] = {{"update",&DoUpdate},
+ {"upgrade",&DoUpgrade},
+ {"install",&DoInstall},
+ {"remove",&DoInstall},
+ {"dist-upgrade",&DoDistUpgrade},
+ {"dselect-upgrade",&DoDSelectUpgrade},
+ {"clean",&DoClean},
+ {"check",&DoCheck},
+ {"help",&ShowHelp},
+ {0,0}};
// Parse the command line and initialize the package library
CommandLine CmdL(Args,_config);
// See if the help should be shown
if (_config->FindB("help") == true ||
CmdL.FileSize() == 0)
- return ShowHelp();
+ return ShowHelp(CmdL);
// Setup the output streams
c0out.rdbuf(cout.rdbuf());
c0out.rdbuf(devnull.rdbuf());
if (_config->FindI("quiet",0) > 1)
c1out.rdbuf(devnull.rdbuf());
+
+ // Setup the signals
+ signal(SIGPIPE,SIG_IGN);
+ signal(SIGWINCH,SigWinch);
+ SigWinch(0);
// Match the operation
- struct
- {
- const char *Match;
- bool (*Handler)(CommandLine &);
- } Map[] = {{"update",&DoUpdate},
- {"upgrade",&DoUpgrade},
- {"install",&DoInstall},
- {"remove",&DoInstall},
- {"dist-upgrade",&DoDistUpgrade},
- {"dselect-upgrade",&DoDSelectUpgrade},
- {"clean",&DoClean},
- {"check",&DoCheck},
- {0,0}};
- int I;
- for (I = 0; Map[I].Match != 0; I++)
- {
- if (strcmp(CmdL.FileList[0],Map[I].Match) == 0)
- {
- if (Map[I].Handler(CmdL) == false && _error->PendingError() == false)
- _error->Error("Handler silently failed");
- break;
- }
- }
-
- // No matching name
- if (Map[I].Match == 0)
- _error->Error("Invalid operation %s", CmdL.FileList[0]);
+ CmdL.DispatchArg(Cmds);
// Print any errors or warnings found during parsing
if (_error->empty() == false)
{
bool Errors = _error->PendingError();
_error->DumpErrors();
- if (Errors == true)
- cout << "Returning 100." << endl;
return Errors == true?100:0;
}
projects / apt.git / blobdiff