// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: apt-get.cc,v 1.4 1998/10/20 04:33:18 jgg Exp $
+// $Id: apt-get.cc,v 1.76 1999/09/16 02:08:09 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/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 "acqprogress.h"
+
#include <fstream.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;
ofstream devnull("/dev/null");
unsigned int ScreenWidth = 80;
+// class CacheFile - Cover class for some dependency cache functions /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+class CacheFile : public pkgCacheFile
+{
+ static pkgCache *SortCache;
+ static int NameComp(const void *a,const void *b);
+
+ public:
+ pkgCache::Package **List;
+
+ void Sort();
+ bool CheckDeps(bool AllowBroken = false);
+ bool Open(bool WithLock = true)
+ {
+ OpTextProgress Prog(*_config);
+ if (pkgCacheFile::Open(Prog,WithLock) == false)
+ return false;
+ Sort();
+ return true;
+ };
+ CacheFile() : List(0) {};
+};
+ /*}}}*/
+
+// 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;
+}
+ /*}}}*/
+// 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
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 /*{{{*/
/* This prints out the names of all the packages that are broken along
with the name of each each broken dependency and a quite version
description. */
-void ShowBroken(ostream &out,pkgDepCache &Cache)
+void ShowBroken(ostream &out,CacheFile &Cache)
{
- out << "Sorry, but the following packages are broken - this means they have unmet" << endl;
- out << "dependencies:" << endl;
- pkgCache::PkgIterator I = Cache.PkgBegin();
- for (;I.end() != true; I++)
+ out << "Sorry, but the following packages have unmet dependencies:" << endl;
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
{
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+
if (Cache[I].InstBroken() == false)
continue;
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();
+
+ out << ' ' << 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 ";
// ShowNew - Show packages to newly install /*{{{*/
// ---------------------------------------------------------------------
/* */
-void ShowNew(ostream &out,pkgDepCache &Dep)
+void ShowNew(ostream &out,CacheFile &Cache)
{
/* Print out a list of packages that are going to be removed extra
to what the user asked */
- pkgCache::PkgIterator I = Dep.PkgBegin();
string List;
- for (;I.end() != true; I++)
- if (Dep[I].NewInstall() == true)
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+ {
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+ if (Cache[I].NewInstall() == true)
List += string(I.Name()) + " ";
+ }
+
ShowList(out,"The following NEW packages will be installed:",List);
}
/*}}}*/
// ShowDel - Show packages to delete /*{{{*/
// ---------------------------------------------------------------------
/* */
-void ShowDel(ostream &out,pkgDepCache &Dep)
+void ShowDel(ostream &out,CacheFile &Cache)
{
/* Print out a list of packages that are going to be removed extra
to what the user asked */
- pkgCache::PkgIterator I = Dep.PkgBegin();
string List;
- for (;I.end() != true; I++)
- if (Dep[I].Delete() == true)
- List += string(I.Name()) + " ";
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
+ {
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+ if (Cache[I].Delete() == true)
+ {
+ if ((Cache[I].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge)
+ List += string(I.Name()) + "* ";
+ else
+ List += string(I.Name()) + " ";
+ }
+ }
+
ShowList(out,"The following packages will be REMOVED:",List);
}
/*}}}*/
// ShowKept - Show kept packages /*{{{*/
// ---------------------------------------------------------------------
/* */
-void ShowKept(ostream &out,pkgDepCache &Dep)
+void ShowKept(ostream &out,CacheFile &Cache)
{
- pkgCache::PkgIterator I = Dep.PkgBegin();
string List;
- for (;I.end() != true; I++)
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
{
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+
// Not interesting
- if (Dep[I].Upgrade() == true || Dep[I].Upgradable() == false ||
- I->CurrentVer == 0 || Dep[I].Delete() == true)
+ if (Cache[I].Upgrade() == true || Cache[I].Upgradable() == false ||
+ I->CurrentVer == 0 || Cache[I].Delete() == true)
continue;
List += string(I.Name()) + " ";
// ShowUpgraded - Show upgraded packages /*{{{*/
// ---------------------------------------------------------------------
/* */
-void ShowUpgraded(ostream &out,pkgDepCache &Dep)
+void ShowUpgraded(ostream &out,CacheFile &Cache)
{
- pkgCache::PkgIterator I = Dep.PkgBegin();
string List;
- for (;I.end() != true; I++)
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
{
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+
// Not interesting
- if (Dep[I].Upgrade() == false || Dep[I].NewInstall() == true)
+ if (Cache[I].Upgrade() == false || Cache[I].NewInstall() == true)
continue;
List += string(I.Name()) + " ";
// ShowHold - Show held but changed packages /*{{{*/
// ---------------------------------------------------------------------
/* */
-void ShowHold(ostream &out,pkgDepCache &Dep)
+bool ShowHold(ostream &out,CacheFile &Cache)
{
- pkgCache::PkgIterator I = Dep.PkgBegin();
string List;
- for (;I.end() != true; I++)
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
{
- if (Dep[I].InstallVer != (pkgCache::Version *)I.CurrentVer() &&
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
+ if (Cache[I].InstallVer != (pkgCache::Version *)I.CurrentVer() &&
I->SelectedState == pkgCache::State::Hold)
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,CacheFile &Cache)
{
- pkgCache::PkgIterator I = Dep.PkgBegin();
string List;
- bool *Added = new bool[Dep.HeaderP->PackageCount];
- for (unsigned int I = 0; I != Dep.HeaderP->PackageCount; I++)
+ bool *Added = new bool[Cache->HeaderP->PackageCount];
+ for (unsigned int I = 0; I != Cache->HeaderP->PackageCount; I++)
Added[I] = false;
- for (;I.end() != true; I++)
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
{
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
if ((I->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential)
continue;
// The essential package is being removed
- if (Dep[I].Delete() == true)
+ if (Cache[I].Delete() == true)
{
if (Added[I->ID] == false)
{
// 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 (Cache[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 /*{{{*/
}
/*}}}*/
-// class CacheFile - Cover class for some dependency cache functions /*{{{*/
+// CacheFile::NameComp - QSort compare by name /*{{{*/
// ---------------------------------------------------------------------
/* */
-class CacheFile
+pkgCache *CacheFile::SortCache = 0;
+int CacheFile::NameComp(const void *a,const void *b)
{
- public:
-
- FileFd *File;
- MMap *Map;
- pkgDepCache *Cache;
-
- inline operator pkgDepCache &() {return *Cache;};
- inline pkgDepCache *operator ->() {return Cache;};
- inline pkgDepCache &operator *() {return *Cache;};
+ if (*(pkgCache::Package **)a == 0 || *(pkgCache::Package **)b == 0)
+ return *(pkgCache::Package **)a - *(pkgCache::Package **)b;
- bool Open();
- CacheFile() : File(0), Map(0), Cache(0) {};
- ~CacheFile()
- {
- delete Cache;
- delete Map;
- delete File;
- }
-};
+ const pkgCache::Package &A = **(pkgCache::Package **)a;
+ const pkgCache::Package &B = **(pkgCache::Package **)b;
+
+ return strcmp(SortCache->StrP + A.Name,SortCache->StrP + B.Name);
+}
+ /*}}}*/
+// CacheFile::Sort - Sort by name /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void CacheFile::Sort()
+{
+ delete [] List;
+ List = new pkgCache::Package *[Cache->Head().PackageCount];
+ memset(List,0,sizeof(*List)*Cache->Head().PackageCount);
+ pkgCache::PkgIterator I = Cache->PkgBegin();
+ for (;I.end() != true; I++)
+ List[I->ID] = I;
+
+ SortCache = *this;
+ qsort(List,Cache->Head().PackageCount,sizeof(*List),NameComp);
+}
/*}}}*/
// 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 CacheFile::CheckDeps(bool AllowBroken)
{
- // 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.");
-
- 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");
return false;
// Nothing is broken
- if (Cache->BrokenCount() == 0)
+ if (Cache->BrokenCount() == 0 || AllowBroken == true)
return true;
// Attempt to fix broken things
// ---------------------------------------------------------------------
/* 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 Saftey = true)
{
+ if (_config->FindB("APT::Get::Purge",false) == true)
+ {
+ pkgCache::PkgIterator I = Cache->PkgBegin();
+ for (; I.end() == false; I++)
+ {
+ if (I.Purge() == false && Cache[I].Mode == pkgDepCache::ModeDelete)
+ Cache->MarkDelete(I,true);
+ }
+ }
+
+ bool Fail = false;
+ bool Essential = 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);
+ Essential = !ShowEssential(c1out,Cache);
+ Fail |= Essential;
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);
+ pkgPackageManager::OrderResult Res = PM.DoInstall();
+ if (Res == pkgPackageManager::Failed)
+ return false;
+ if (Res != pkgPackageManager::Completed)
+ return _error->Error("Internal Error, Ordering didn't finish");
+ return true;
+ }
+
+ // Create the text record parser
+ pkgRecords Recs(Cache);
+ if (_error->PendingError() == true)
+ return false;
+
+ // Lock the archive directory
+ FileFd Lock;
+ if (_config->FindB("Debug::NoLocking",false) == false)
+ {
+ Lock.Fd(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 ||
+ _error->PendingError() == true)
+ return false;
+
+ // 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
+ c1out << "Need to get ";
+ if (DebBytes != FetchBytes)
+ c1out << SizeToStr(FetchBytes) << "B/" << SizeToStr(DebBytes) << 'B';
+ else
+ c1out << SizeToStr(DebBytes) << 'B';
- return true;
+ c1out << " of archives. After unpacking ";
+
+ // Size delta
+ if (Cache->UsrSize() >= 0)
+ c1out << SizeToStr(Cache->UsrSize()) << "B will be used." << endl;
+ else
+ c1out << SizeToStr(-1*Cache->UsrSize()) << "B will be freed." << endl;
+
+ if (_error->PendingError() == true)
+ return false;
+
+ // Fail safe check
+ 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");
+ }
+
+ 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();
+ for (; I != Fetcher.UriEnd(); I++)
+ cout << '\'' << I->URI << "' " << flNotDir(I->Owner->DestFile) << ' ' <<
+ I->Owner->FileSize << ' ' << I->Owner->MD5Sum() << endl;
+ return true;
+ }
+
+ // Run it
+ while (1)
+ {
+ if (_config->FindB("APT::Get::No-Download",false) == false)
+ if( Fetcher.Run() == pkgAcquire::Failed)
+ 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;
+
+ (*I)->Finished();
+
+ if ((*I)->Status == pkgAcquire::Item::StatIdle)
+ {
+ Transient = true;
+ // Failed = true;
+ continue;
+ }
+
+ cerr << "Failed to fetch " << (*I)->DescURI() << endl;
+ cerr << " " << (*I)->ErrorText << endl;
+ Failed = true;
+ }
+
+ if (_config->FindB("APT::Get::Download-Only",false) == true)
+ {
+ if (Failed == true && _config->FindB("APT::Get::Fix-Missing",false) == false)
+ return _error->Error("Some files failed to download");
+ 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?");
+ }
+
+ if (Transient == true && Failed == true)
+ return _error->Error("--fix-missing and media swapping is not currently supported");
+
+ // Try to deal with missing package files
+ if (Failed == true && PM.FixMissing() == false)
+ {
+ cerr << "Unable to correct missing packages." << endl;
+ return _error->Error("Aborting Install.");
+ }
+
+ Cache.ReleaseLock();
+ pkgPackageManager::OrderResult Res = PM.DoInstall();
+ if (Res == pkgPackageManager::Failed || _error->PendingError() == true)
+ return false;
+ if (Res == pkgPackageManager::Completed)
+ return true;
+
+ // Reload the fetcher object and loop again for media swapping
+ Fetcher.Shutdown();
+ if (PM.GetArchives(&Fetcher,&List,&Recs) == false)
+ return false;
+ }
}
/*}}}*/
// DoUpdate - Update the package lists /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool DoUpdate(CommandLine &CmdL)
+bool DoUpdate(CommandLine &)
{
+ // Get the source list
+ pkgSourceList List;
+ if (List.ReadMainList() == false)
+ return false;
+
+ // Lock the list directory
+ FileFd Lock;
+ if (_config->FindB("Debug::NoLocking",false) == false)
+ {
+ Lock.Fd(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);
+
+ // Populate it with the source selection
+ pkgSourceList::const_iterator I;
+ for (I = List.begin(); I != List.end(); I++)
+ {
+ new pkgAcqIndex(&Fetcher,I);
+ if (_error->PendingError() == true)
+ return false;
+ }
+
+ // Run it
+ if (Fetcher.Run() == pkgAcquire::Failed)
+ return false;
+
+ bool Failed = false;
+ for (pkgAcquire::Item **I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); I++)
+ {
+ if ((*I)->Status == pkgAcquire::Item::StatDone)
+ continue;
+
+ (*I)->Finished();
+
+ cerr << "Failed to fetch " << (*I)->DescURI() << endl;
+ cerr << " " << (*I)->ErrorText << endl;
+ Failed = true;
+ }
+
+ // Clean out any old list files
+ if (_config->FindB("APT::Get::List-Cleanup",false) == false)
+ {
+ if (Fetcher.Clean(_config->FindDir("Dir::State::lists")) == false ||
+ Fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/") == false)
+ return false;
+ }
+
+ // Prepare the cache.
+ CacheFile Cache;
+ if (Cache.Open() == false)
+ return false;
+
+ if (Failed == true)
+ return _error->Error("Some index files failed to download, they have been ignored, or old ones used instead.");
+ return true;
}
/*}}}*/
// DoUpgrade - Upgrade all packages /*{{{*/
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() == false)
+ if (Cache.Open() == false || Cache.CheckDeps(CmdL.FileSize() != 1) == false)
return false;
- int ExpectedInst = 0;
- int Packages = 0;
+ // Enter the special broken fixing mode if the user specified arguments
+ bool BrokenFix = false;
+ if (Cache->BrokenCount() != 0)
+ BrokenFix = true;
+
+ 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] == '-')
+ while (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;
+ continue;
+ }
+
+ if (S[Length - 1] == '+')
+ {
+ Remove = false;
+ S[--Length] = 0;
+ continue;
+ }
+ break;
}
// 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)
pkgCache::PkgIterator Pkg = I.OwnerPkg();
if ((*Cache)[Pkg].CandidateVerIter(*Cache) == I.OwnerVer())
- c1out << " " << Pkg.Name() << " " << I.OwnerVer().VerStr() << endl;
-
- if ((*Cache)[Pkg].InstVerIter(*Cache) == I.OwnerVer())
- c1out << " " << Pkg.Name() << " " << I.OwnerVer().VerStr() <<
- " [Installed]"<< endl;
+ {
+ if ((*Cache)[Pkg].Install() == true && (*Cache)[Pkg].NewInstall() == false)
+ c1out << " " << Pkg.Name() << " " << I.OwnerVer().VerStr() <<
+ " [Installed]"<< endl;
+ else
+ c1out << " " << Pkg.Name() << " " << I.OwnerVer().VerStr() << endl;
+ }
}
c1out << "You should explicly select one to install." << endl;
}
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);
if (Remove == true)
{
Fix.Remove(Pkg);
- Cache->MarkDelete(Pkg);
+ Cache->MarkDelete(Pkg,_config->FindB("APT::Get::Purge",false));
continue;
}
ExpectedInst++;
// Install it with autoinstalling enabled.
- if (State.InstBroken() == true)
+ if (State.InstBroken() == true && BrokenFix == false)
Cache->MarkInstall(Pkg,true);
}
+ /* If we are in the Broken fixing mode we do not attempt to fix the
+ problems. This is if the user invoked install without -f and gave
+ packages */
+ if (BrokenFix == true && Cache->BrokenCount() != 0)
+ {
+ c1out << "You might want to run `apt-get -f install' to correct these:" << endl;
+ ShowBroken(c1out,Cache);
+
+ return _error->Error("Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).");
+ }
+
// Call the scored problem resolver
Fix.InstallProtect();
if (Fix.Resolve(true) == false)
if (Cache->InstCount() != ExpectedInst)
{
string List;
- pkgCache::PkgIterator I = Cache->PkgBegin();
- for (;I.end() != true; I++)
+ for (unsigned J = 0; J < Cache->Head().PackageCount; J++)
{
+ pkgCache::PkgIterator I(Cache,Cache.List[J]);
if ((*Cache)[I].Install() == false)
continue;
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 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
/* Install the package only if it is a new install, the autoupgrader
will deal with the rest */
if (I->SelectedState == pkgCache::State::Install)
- Cache->MarkInstall(I);
+ Cache->MarkInstall(I,true);
}
// Apply erasures now, they override everything else.
// Remove packages
if (I->SelectedState == pkgCache::State::DeInstall ||
I->SelectedState == pkgCache::State::Purge)
- Cache->MarkDelete(I);
+ Cache->MarkDelete(I,I->SelectedState == pkgCache::State::Purge);
+ }
+
+ /* Resolve any problems that dselect created, allupgrade cannot handle
+ such things. We do so quite agressively too.. */
+ if (Cache->BrokenCount() != 0)
+ {
+ pkgProblemResolver Fix(Cache);
+
+ // Hold back held packages.
+ if (_config->FindB("APT::Ingore-Hold",false) == false)
+ {
+ for (pkgCache::PkgIterator I = Cache->PkgBegin(); I.end() == false; I++)
+ {
+ if (I->SelectedState == pkgCache::State::Hold)
+ {
+ Fix.Protect(I);
+ Cache->MarkKeep(I);
+ }
+ }
+ }
+
+ if (Fix.Resolve() == false)
+ {
+ ShowBroken(c1out,Cache);
+ return _error->Error("Internal Error, problem resolver broke stuff");
+ }
}
- /* Use updates smart upgrade to do the rest, it will automatically
- ignore held items */
+ // Now upgrade everything
if (pkgAllUpgrade(Cache) == false)
{
ShowBroken(c1out,Cache);
- return _error->Error("Internal Error, AllUpgrade broke stuff");
+ return _error->Error("Internal Error, problem resolver broke stuff");
}
return InstallPackages(Cache,false);
/* */
bool DoClean(CommandLine &CmdL)
{
+ pkgAcquire Fetcher;
+ Fetcher.Clean(_config->FindDir("Dir::Cache::archives"));
+ Fetcher.Clean(_config->FindDir("Dir::Cache::archives") + "partial/");
return true;
}
/*}}}*/
+// DoAutoClean - Smartly remove downloaded archives /*{{{*/
+// ---------------------------------------------------------------------
+/* This is similar to clean but it only purges things that cannot be
+ downloaded, that is old versions of cached packages. */
+class LogCleaner : public pkgArchiveCleaner
+{
+ protected:
+ virtual void Erase(const char *File,string Pkg,string Ver,struct stat &St)
+ {
+ cout << "Del " << Pkg << " " << Ver << " [" << SizeToStr(St.st_size) << "B]" << endl;
+
+ if (_config->FindB("APT::Get::Simulate") == false)
+ unlink(File);
+ };
+};
+
+bool DoAutoClean(CommandLine &CmdL)
+{
+ CacheFile Cache;
+ if (Cache.Open() == false)
+ return false;
+
+ LogCleaner Cleaner;
+
+ return Cleaner.Go(_config->FindDir("Dir::Cache::archives"),*Cache) &&
+ Cleaner.Go(_config->FindDir("Dir::Cache::archives") + "partial/",*Cache);
+}
+ /*}}}*/
// DoCheck - Perform the check operation /*{{{*/
// ---------------------------------------------------------------------
/* Opening automatically checks the system, this command is mostly used
{
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;
+ bool IsMatch = false;
+
+ // Iterate over all of the hits
+ pkgSrcRecords::Parser *Parse;
+ SrcRecs.Restart();
+ while ((Parse = SrcRecs.Find(Src.c_str(),false)) != 0)
+ {
+ string Ver = Parse->Version();
+
+ // Skip name mismatches
+ if (IsMatch == true && Parse->Package() != Src)
+ continue;
+
+ // Newer version or an exact match
+ if (Last == 0 || pkgVersionCompare(Version,Ver) < 0 ||
+ (Parse->Package() == Src && IsMatch == false))
+ {
+ IsMatch = Parse->Package() == Src;
+ 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";
+
+ // Diff only mode only fetches .diff files
+ if (_config->FindB("APT::Get::Diff-Only",false) == true &&
+ Comp != "diff")
+ continue;
+
+ // Tar only mode only fetches .tar files
+ if (_config->FindB("APT::Get::Tar-Only",false) == true &&
+ Comp != "tar")
+ continue;
+
+ 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;
+
+ if (_config->FindB("APT::Get::Simulate",false) == true)
+ {
+ for (unsigned I = 0; I != J; I++)
+ cout << "Fetch Source " << Dsc[I].Package << endl;
+ return true;
+ }
+
+ // 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() == pkgAcquire::Failed)
+ 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());
+
+ // Diff only mode only fetches .diff files
+ if (_config->FindB("APT::Get::Diff-Only",false) == true ||
+ _config->FindB("APT::Get::Tar-Only",false) == true)
+ continue;
+
+ // 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 /*{{{*/
// ---------------------------------------------------------------------
/* */
-int ShowHelp()
+bool ShowHelp(CommandLine &CmdL)
{
cout << PACKAGE << ' ' << VERSION << " for " << ARCHITECTURE <<
" compiled on " << __DATE__ << " " << __TIME__ << endl;
-
+ if (_config->FindB("version") == true)
+ return 100;
+
cout << "Usage: apt-get [options] command" << endl;
cout << " apt-get [options] install pkg1 [pkg2 ...]" << endl;
cout << endl;
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 << " autoclean - Erase old downloaded archive files" << 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;
cout << " -f Attempt to continue if the integrity check fails" << endl;
cout << " -m Attempt to continue if archives are unlocatable" << endl;
cout << " -u Show a list of upgraded packages as well" << endl;
+ cout << " -b Build the source package after fetching it" << endl;
cout << " -c=? Read this configuration file" << endl;
- cout << " -o=? Set an arbitary configuration option, ie -o dir::cache=/tmp" << endl;
- cout << "See the apt-get(8), sources.list(8) and apt.conf(8) manual" << endl;
- cout << "pages for more information." << 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 and options." << endl;
return 100;
}
/*}}}*/
_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);
+ _config->Set("APT::Get::APT::Get::No-List-Cleanup",true);
+}
+ /*}}}*/
+// 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
}
/*}}}*/
{
CommandLine::Args Args[] = {
{'h',"help","help",0},
+ {'v',"version","version",0},
{'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},
{'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,"no-download","APT::Get::No-Download",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},
+ {0,"print-uris","APT::Get::Print-URIs",0},
+ {0,"diff-only","APT::Get::Diff-Only",0},
+ {0,"tar-only","APT::Get::tar-Only",0},
+ {0,"purge","APT::Get::Purge",0},
+ {0,"list-cleanup","APT::Get::List-Cleanup",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},
+ {"autoclean",&DoAutoClean},
+ {"check",&DoCheck},
+ {"source",&DoSource},
+ {"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 ||
+ _config->FindB("version") == true ||
CmdL.FileSize() == 0)
- return ShowHelp();
+ 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());
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)
- {
- Map[I].Handler(CmdL);
- 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