// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: apt-get.cc,v 1.132 2003/07/22 03:00:19 mdz Exp $
+// $Id: apt-get.cc,v 1.156 2004/08/28 01:05:16 mdz Exp $
/* ######################################################################
apt-get - Cover for dpkg
#include "acqprogress.h"
#include <locale.h>
+#include <langinfo.h>
#include <fstream>
#include <termios.h>
#include <sys/ioctl.h>
/* Returns true on a Yes.*/
bool YnPrompt()
{
- // This needs to be a capital
- const char *Yes = _("Y");
-
if (_config->FindB("APT::Get::Assume-Yes",false) == true)
{
- c1out << Yes << endl;
+ c1out << _("Y") << endl;
return true;
}
-
- char C = 0;
- char Jnk = 0;
- if (read(STDIN_FILENO,&C,1) != 1)
+
+ char response[1024] = "";
+ cin.getline(response, sizeof(response));
+
+ if (!cin)
return false;
- while (C != '\n' && Jnk != '\n')
- if (read(STDIN_FILENO,&Jnk,1) != 1)
- return false;
+
+ if (strlen(response) == 0)
+ return true;
+
+ regex_t Pattern;
+ int Res;
+
+ Res = regcomp(&Pattern, nl_langinfo(YESEXPR),
+ REG_EXTENDED|REG_ICASE|REG_NOSUB);
+
+ if (Res != 0) {
+ char Error[300];
+ regerror(Res,&Pattern,Error,sizeof(Error));
+ return _error->Error(_("Regex compilation error - %s"),Error);
+ }
- if (!(toupper(C) == *Yes || C == '\n' || C == '\r'))
- return false;
- return true;
+ Res = regexec(&Pattern, response, 0, NULL, 0);
+ if (Res == 0)
+ return true;
+ return false;
}
/*}}}*/
// AnalPrompt - Annoying Yes No Prompt. /*{{{*/
// Compute a single dependency element (glob or)
pkgCache::DepIterator Start;
pkgCache::DepIterator End;
- D.GlobOr(Start,End);
+ D.GlobOr(Start,End); // advances D
if (Cache->IsImportantDep(End) == false)
continue;
/* */
void ShowNew(ostream &out,CacheFile &Cache)
{
- /* Print out a list of packages that are going to be removed extra
+ /* Print out a list of packages that are going to be installed extra
to what the user asked */
string List;
string VersionsList;
List += string(I.Name()) + " ";
VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
}
- ShowList(out,_("The following packages have been kept back"),List,VersionsList);
+ ShowList(out,_("The following packages have been kept back:"),List,VersionsList);
}
/*}}}*/
// ShowUpgraded - Show upgraded packages /*{{{*/
List += string(I.Name()) + " ";
VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
}
- ShowList(out,_("The following packages will be upgraded"),List,VersionsList);
+ ShowList(out,_("The following packages will be upgraded:"),List,VersionsList);
}
/*}}}*/
// ShowDowngraded - Show downgraded packages /*{{{*/
List += string(I.Name()) + " ";
VersionsList += string(Cache[I].CurVersion) + " => " + Cache[I].CandVersion + "\n";
}
- return ShowList(out,_("The following packages will be DOWNGRADED"),List,VersionsList);
+ return ShowList(out,_("The following packages will be DOWNGRADED:"),List,VersionsList);
}
/*}}}*/
// ShowHold - Show held but changed packages /*{{{*/
ReInstall++;
}
- ioprintf(out,_("%lu packages upgraded, %lu newly installed, "),
+ ioprintf(out,_("%lu upgraded, %lu newly installed, "),
Upgrade,Install);
if (ReInstall != 0)
Dep.DelCount(),Dep.KeepCount());
if (Dep.BadCount() != 0)
- ioprintf(out,_("%lu packages not fully installed or removed.\n"),
+ ioprintf(out,_("%lu not fully installed or removed.\n"),
Dep.BadCount());
}
/*}}}*/
/* 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 Saftey = true)
+ bool Safety = true)
{
if (_config->FindB("APT::Get::Purge",false) == true)
{
if (ShwKept == true)
ShowKept(c1out,Cache);
Fail |= !ShowHold(c1out,Cache);
- if (_config->FindB("APT::Get::Show-Upgraded",false) == true)
+ if (_config->FindB("APT::Get::Show-Upgraded",true) == true)
ShowUpgraded(c1out,Cache);
Fail |= !ShowDowngraded(c1out,Cache);
if (_config->FindB("APT::Get::Download-Only",false) == false)
return _error->Error(_("There are problems and -y was used without --force-yes"));
}
- if (Essential == true && Saftey == true)
+ if (Essential == true && Safety == true)
{
if (_config->FindB("APT::Get::Trivial-Only",false) == true)
return _error->Error(_("Trivial Only specified but this is not a trivial operation."));
else
{
ioprintf(c1out,
- _("Package %s has no available version, but exists in the database.\n"
- "This typically means that the package was mentioned in a dependency and\n"
- "never uploaded, has been obsoleted or is not available with the contents\n"
- "of sources.list\n"),Pkg.Name());
+ _("Package %s is not available, but is referred to by another package.\n"
+ "This may mean that the package is missing, has been obsoleted, or\n"
+ "is only available from another source\n"),Pkg.Name());
string List;
string VersionsList;
while (Cache->FindPkg(S).end() == true)
{
// Handle an optional end tag indicating what to do
- if (S[Length - 1] == '-')
+ if (Length >= 1 && S[Length - 1] == '-')
{
Remove = true;
S[--Length] = 0;
continue;
}
- if (S[Length - 1] == '+')
+ if (Length >= 1 && S[Length - 1] == '+')
{
Remove = false;
S[--Length] = 0;
continue;
for (pkgCache::VerIterator V = I.VersionList(); V.end() == false; V++)
- {
- for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++)
- {
+ {
+ for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; )
+ {
pkgCache::DepIterator Start;
pkgCache::DepIterator End;
- D.GlobOr(Start,End);
- do
- {
- if (Start->Type == pkgCache::Dep::Suggests) {
+ D.GlobOr(Start,End); // advances D
+
+ /*
+ * If this is a virtual package, we need to check the list of
+ * packages that provide it and see if any of those are
+ * installed
+ */
+
+ bool providedBySomething = false;
+ for (pkgCache::PrvIterator Prv = Start.TargetPkg().ProvidesList();
+ Prv.end() != true;
+ Prv++)
+ if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false)
+ {
+ providedBySomething = true;
+ break;
+ }
+
+ if (providedBySomething) continue;
+
+ for(;;)
+ {
+ /* Skip if package is installed already, or is about to be */
+ string target = string(Start.TargetPkg().Name()) + " ";
- /* A suggests relations, let's see if we have it
- installed already */
+ if ((*Start.TargetPkg()).SelectedState == pkgCache::State::Install
+ || Cache[Start.TargetPkg()].Install())
+ break;
- string target = string(Start.TargetPkg().Name()) + " ";
- if ((*Start.TargetPkg()).SelectedState == pkgCache::State::Install)
- break;
- /* Does another package suggest it as well? If so,
- don't print it twice */
- if (int(SuggestsList.find(target)) > -1)
- break;
+ /* Skip if we already saw it */
+ if (int(SuggestsList.find(target)) != -1 || int(RecommendsList.find(target)) != -1)
+ break;
+
+ if (Start->Type == pkgCache::Dep::Suggests) {
SuggestsList += target;
SuggestsVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n";
}
if (Start->Type == pkgCache::Dep::Recommends) {
-
- /* A recommends relation, let's see if we have it
- installed already */
-
- string target = string(Start.TargetPkg().Name()) + " ";
- if ((*Start.TargetPkg()).SelectedState == pkgCache::State::Install)
- break;
-
- /* Does another package recommend it as well? If so,
- don't print it twice */
-
- if (int(RecommendsList.find(target)) > -1)
- break;
RecommendsList += target;
- SuggestsVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n";
+ RecommendsVersions += string(Cache[Start.TargetPkg()].CandVersion) + "\n";
}
- if (Start == End)
- break;
- Start++;
- } while (1);
- }
- }
+
+ if (Start >= End)
+ break;
+ Start++;
+ }
+ }
+ }
}
ShowList(c1out,_("Suggested packages:"),SuggestsList,SuggestsVersions);
ShowList(c1out,_("Recommended packages:"),RecommendsList,RecommendsVersions);
rec.Package = Opts->Value;
rec.Type = pkgSrcRecords::Parser::BuildDependIndep;
rec.Op = 0;
- BuildDeps.insert(BuildDeps.begin(), rec);
+ BuildDeps.push_back(rec);
}
if (BuildDeps.size() == 0)
unsigned int ExpectedInst = 0;
vector <pkgSrcRecords::Parser::BuildDepRec>::iterator D;
pkgProblemResolver Fix(Cache);
+ bool skipAlternatives = false; // skip remaining alternatives in an or group
for (D = BuildDeps.begin(); D != BuildDeps.end(); D++)
{
+ bool hasAlternatives = (((*D).Op & pkgCache::Dep::Or) == pkgCache::Dep::Or);
+
+ if (skipAlternatives == true)
+ {
+ if (!hasAlternatives)
+ skipAlternatives = false; // end of or group
+ continue;
+ }
+
if ((*D).Type == pkgSrcRecords::Parser::BuildConflict ||
(*D).Type == pkgSrcRecords::Parser::BuildConflictIndep)
{
else // BuildDep || BuildDepIndep
{
pkgCache::PkgIterator Pkg = Cache->FindPkg((*D).Package);
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << "Looking for " << (*D).Package << "...\n";
+
if (Pkg.end() == true)
{
- // Check if there are any alternatives
- if (((*D).Op & pkgCache::Dep::Or) != pkgCache::Dep::Or)
- return _error->Error(_("%s dependency for %s cannot be satisfied "
- "because the package %s cannot be found"),
- Last->BuildDepType((*D).Type),Src.c_str(),
- (*D).Package.c_str());
- // Try the next alternative
- continue;
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << " (not found)" << (*D).Package << endl;
+
+ if (hasAlternatives)
+ continue;
+
+ return _error->Error(_("%s dependency for %s cannot be satisfied "
+ "because the package %s cannot be found"),
+ Last->BuildDepType((*D).Type),Src.c_str(),
+ (*D).Package.c_str());
}
/*
* this would require we do a Resolve cycle for each package we
* add to the install list. Ugh
*/
- while (D != BuildDeps.end() &&
- (((*D).Op & pkgCache::Dep::Or) == pkgCache::Dep::Or))
- D++;
/*
* If this is a virtual package, we need to check the list of
* installed
*/
pkgCache::PrvIterator Prv = Pkg.ProvidesList();
- for (; Prv.end() != true; Prv++) {
+ for (; Prv.end() != true; Prv++)
+ {
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << " Checking provider " << Prv.OwnerPkg().Name() << endl;
+
if ((*Cache)[Prv.OwnerPkg()].InstVerIter(*Cache).end() == false)
break;
}
// Get installed version and version we are going to install
pkgCache::VerIterator IV = (*Cache)[Pkg].InstVerIter(*Cache);
- if (Prv.end() == true || (*D).Version != "") {
- /* We either have a versioned dependency (so a provides won't do)
- or nothing is providing this package */
+ if ((*D).Version[0] != '\0') {
+ // Versioned dependency
pkgCache::VerIterator CV = (*Cache)[Pkg].CandidateVerIter(*Cache);
break;
}
if (CV.end() == true)
+ if (hasAlternatives)
+ {
+ continue;
+ }
+ else
+ {
return _error->Error(_("%s dependency for %s cannot be satisfied "
"because no available versions of package %s "
"can satisfy version requirements"),
Last->BuildDepType((*D).Type),Src.c_str(),
(*D).Package.c_str());
+ }
+ }
+ else
+ {
+ // Only consider virtual packages if there is no versioned dependency
+ if (Prv.end() == false)
+ {
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << " Is provided by installed package " << Prv.OwnerPkg().Name() << endl;
+ skipAlternatives = hasAlternatives;
+ continue;
+ }
}
- /*
- * TODO: if we depend on a version lower than what we already have
- * installed it is not clear what should be done; in practice
- * this case should be rare, and right now nothing is
- * done about it :-(
- */
- if (Prv.end() == true && // Nothing provides it; and
- (IV.end() == true || // It is not installed, or
- Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == false))
- // the version installed doesn't
- // satisfy constraints
- TryToInstall(Pkg,Cache,Fix,false,false,ExpectedInst);
+ if (IV.end() == false)
+ {
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << " Is installed\n";
+
+ if (Cache->VS().CheckDep(IV.VerStr(),(*D).Op,(*D).Version.c_str()) == true)
+ {
+ skipAlternatives = hasAlternatives;
+ continue;
+ }
+
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << " ...but the installed version doesn't meet the version requirement\n";
+
+ if (((*D).Op & pkgCache::Dep::LessEq) == pkgCache::Dep::LessEq)
+ {
+ return _error->Error(_("Failed to satisfy %s dependency for %s: Installed package %s is too new"),
+ Last->BuildDepType((*D).Type),
+ Src.c_str(),
+ Pkg.Name());
+ }
+ }
+
+
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << " Trying to install " << (*D).Package << endl;
+
+ if (TryToInstall(Pkg,Cache,Fix,false,false,ExpectedInst) == true)
+ {
+ // We successfully installed something; skip remaining alternatives
+ skipAlternatives = hasAlternatives;
+ continue;
+ }
+ else if (hasAlternatives)
+ {
+ if (_config->FindB("Debug::BuildDeps",false) == true)
+ cout << " Unsatisfiable, trying alternatives\n";
+ continue;
+ }
+ else
+ {
+ return _error->Error(_("Failed to satisfy %s dependency for %s: %s"),
+ Last->BuildDepType((*D).Type),
+ Src.c_str(),
+ (*D).Package.c_str());
+ }
}
}
// Now we check the state of the packages,
if (Cache->BrokenCount() != 0)
- return _error->Error(_("Some broken packages were found while trying to process build-dependencies.\n"
- "You might want to run `apt-get -f install' to correct these."));
+ return _error->Error(_("Build-dependencies for %s could not be satisfied."),*I);
}
if (InstallPackages(Cache, false, true) == 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);
+ _config->Set("APT::Get::List-Cleanup",true);
}
/*}}}*/
// SigWinch - Window size change signal handler /*{{{*/
}
// Deal with stdout not being a tty
- if (ttyname(STDOUT_FILENO) == 0 && _config->FindI("quiet",0) < 1)
+ if (!isatty(STDOUT_FILENO) && _config->FindI("quiet",0) < 1)
_config->Set("quiet","1");
// Setup the output streams