#include <apt-private/private-cacheset.h>
#include <apt-private/private-cmndline.h>
+#include <apt-private/private-depends.h>
+#include <apt-private/private-show.h>
+#include <apt-private/private-search.h>
+#include <apt-private/private-unmet.h>
+#include <apt-private/private-main.h>
#include <regex.h>
#include <stddef.h>
using namespace std;
-// LocalitySort - Sort a version list by package file locality /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-static int LocalityCompare(const void *a, const void *b)
-{
- pkgCache::VerFile *A = *(pkgCache::VerFile **)a;
- pkgCache::VerFile *B = *(pkgCache::VerFile **)b;
-
- if (A == 0 && B == 0)
- return 0;
- if (A == 0)
- return 1;
- if (B == 0)
- return -1;
-
- if (A->File == B->File)
- return A->Offset - B->Offset;
- return A->File - B->File;
-}
-
-static void LocalitySort(pkgCache::VerFile **begin,
- unsigned long Count,size_t Size)
-{
- qsort(begin,Count,Size,LocalityCompare);
-}
-
-static void LocalitySort(pkgCache::DescFile **begin,
- unsigned long Count,size_t Size)
-{
- qsort(begin,Count,Size,LocalityCompare);
-}
- /*}}}*/
-// UnMet - Show unmet dependencies /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-static bool ShowUnMet(pkgCache::VerIterator const &V, bool const Important)
-{
- bool Header = false;
- for (pkgCache::DepIterator D = V.DependsList(); D.end() == false;)
- {
- // Collect or groups
- pkgCache::DepIterator Start;
- pkgCache::DepIterator End;
- D.GlobOr(Start,End);
-
- // Important deps only
- if (Important == true)
- if (End->Type != pkgCache::Dep::PreDepends &&
- End->Type != pkgCache::Dep::Depends)
- continue;
-
- // Skip conflicts and replaces
- if (End.IsNegative() == true)
- continue;
-
- // Verify the or group
- bool OK = false;
- pkgCache::DepIterator RealStart = Start;
- do
- {
- // See if this dep is Ok
- pkgCache::Version **VList = Start.AllTargets();
- if (*VList != 0)
- {
- OK = true;
- delete [] VList;
- break;
- }
- delete [] VList;
-
- if (Start == End)
- break;
- ++Start;
- }
- while (1);
-
- // The group is OK
- if (OK == true)
- continue;
-
- // Oops, it failed..
- if (Header == false)
- ioprintf(cout,_("Package %s version %s has an unmet dep:\n"),
- V.ParentPkg().FullName(true).c_str(),V.VerStr());
- Header = true;
-
- // Print out the dep type
- cout << " " << End.DepType() << ": ";
-
- // Show the group
- Start = RealStart;
- do
- {
- cout << Start.TargetPkg().FullName(true);
- if (Start.TargetVer() != 0)
- cout << " (" << Start.CompType() << " " << Start.TargetVer() <<
- ")";
- if (Start == End)
- break;
- cout << " | ";
- ++Start;
- }
- while (1);
-
- cout << endl;
- }
- return true;
-}
-static bool UnMet(CommandLine &CmdL)
-{
- bool const Important = _config->FindB("APT::Cache::Important",false);
-
- pkgCacheFile CacheFile;
- if (unlikely(CacheFile.GetPkgCache() == NULL))
- return false;
-
- if (CmdL.FileSize() <= 1)
- {
- for (pkgCache::PkgIterator P = CacheFile.GetPkgCache()->PkgBegin(); P.end() == false; ++P)
- for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V)
- if (ShowUnMet(V, Important) == false)
- return false;
- }
- else
- {
- CacheSetHelperVirtuals helper(true, GlobalError::NOTICE);
- APT::VersionList verset = APT::VersionList::FromCommandLine(CacheFile, CmdL.FileList + 1,
- APT::VersionList::CANDIDATE, helper);
- for (APT::VersionList::iterator V = verset.begin(); V != verset.end(); ++V)
- if (ShowUnMet(V, Important) == false)
- return false;
- }
- return true;
-}
- /*}}}*/
// DumpPackage - Show a dump of a package record /*{{{*/
// ---------------------------------------------------------------------
/* */
{
cout << Cur.VerStr() << " - ";
for (pkgCache::PrvIterator Prv = Cur.ProvidesList(); Prv.end() != true; ++Prv)
- cout << Prv.ParentPkg().FullName(true) << " ";
+ cout << Prv.ParentPkg().FullName(true) << " (= " << (Prv->ProvideVersion == 0 ? "" : Prv.ProvideVersion()) << ") ";
cout << endl;
}
cout << "Reverse Provides: " << endl;
for (pkgCache::PrvIterator Prv = Pkg.ProvidesList(); Prv.end() != true; ++Prv)
- cout << Prv.OwnerPkg().FullName(true) << " " << Prv.OwnerVer().VerStr() << endl;
+ cout << Prv.OwnerPkg().FullName(true) << " " << Prv.OwnerVer().VerStr() << " (= " << (Prv->ProvideVersion == 0 ? "" : Prv.ProvideVersion()) << ")"<< endl;
}
return true;
}
/*}}}*/
+// ShowHashTableStats - Show stats about a hashtable /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+static map_pointer_t PackageNext(pkgCache::Package const * const P) { return P->NextPackage; }
+static map_pointer_t GroupNext(pkgCache::Group const * const G) { return G->Next; }
+template<class T>
+static void ShowHashTableStats(std::string Type,
+ T *StartP,
+ map_pointer_t *Hashtable,
+ unsigned long Size,
+ map_pointer_t(*Next)(T const * const))
+{
+ // hashtable stats for the HashTable
+ unsigned long NumBuckets = Size;
+ unsigned long UsedBuckets = 0;
+ unsigned long UnusedBuckets = 0;
+ unsigned long LongestBucket = 0;
+ unsigned long ShortestBucket = NumBuckets;
+ unsigned long Entries = 0;
+ for (unsigned int i=0; i < NumBuckets; ++i)
+ {
+ T *P = StartP + Hashtable[i];
+ if(P == 0 || P == StartP)
+ {
+ ++UnusedBuckets;
+ continue;
+ }
+ ++UsedBuckets;
+ unsigned long ThisBucketSize = 0;
+ for (; P != StartP; P = StartP + Next(P))
+ ++ThisBucketSize;
+ Entries += ThisBucketSize;
+ LongestBucket = std::max(ThisBucketSize, LongestBucket);
+ ShortestBucket = std::min(ThisBucketSize, ShortestBucket);
+ }
+ cout << "Total buckets in " << Type << ": " << NumBuckets << std::endl;
+ cout << " Unused: " << UnusedBuckets << std::endl;
+ cout << " Used: " << UsedBuckets << std::endl;
+ cout << " Utilization: " << 100.0 * UsedBuckets/NumBuckets << "%" << std::endl;
+ cout << " Average entries: " << Entries/(double)UsedBuckets << std::endl;
+ cout << " Longest: " << LongestBucket << std::endl;
+ cout << " Shortest: " << ShortestBucket << std::endl;
+}
+ /*}}}*/
// Stats - Dump some nice statistics /*{{{*/
// ---------------------------------------------------------------------
/* */
-static bool Stats(CommandLine &)
+static bool Stats(CommandLine &CmdL)
{
+ if (CmdL.FileSize() > 1) {
+ _error->Error(_("apt-cache stats does not take any arguments"));
+ return false;
+ }
+
pkgCacheFile CacheFile;
pkgCache *Cache = CacheFile.GetPkgCache();
+
if (unlikely(Cache == NULL))
return false;
cout << _(" Single virtual packages: ") << DVirt << endl;
cout << _(" Mixed virtual packages: ") << NVirt << endl;
cout << _(" Missing: ") << Missing << endl;
-
+
cout << _("Total distinct versions: ") << Cache->Head().VersionCount << " (" <<
SizeToStr(Cache->Head().VersionCount*Cache->Head().VersionSz) << ')' << endl;
cout << _("Total distinct descriptions: ") << Cache->Head().DescriptionCount << " (" <<
SizeToStr(Cache->Head().DescriptionCount*Cache->Head().DescriptionSz) << ')' << endl;
- cout << _("Total dependencies: ") << Cache->Head().DependsCount << " (" <<
- SizeToStr(Cache->Head().DependsCount*Cache->Head().DependencySz) << ')' << endl;
-
+ cout << _("Total dependencies: ") << Cache->Head().DependsCount << "/" << Cache->Head().DependsDataCount << " (" <<
+ SizeToStr((Cache->Head().DependsCount*Cache->Head().DependencySz) +
+ (Cache->Head().DependsDataCount*Cache->Head().DependencyDataSz)) << ')' << endl;
cout << _("Total ver/file relations: ") << Cache->Head().VerFileCount << " (" <<
SizeToStr(Cache->Head().VerFileCount*Cache->Head().VerFileSz) << ')' << endl;
cout << _("Total Desc/File relations: ") << Cache->Head().DescFileCount << " (" <<
SizeToStr(Cache->Head().DescFileCount*Cache->Head().DescFileSz) << ')' << endl;
cout << _("Total Provides mappings: ") << Cache->Head().ProvidesCount << " (" <<
SizeToStr(Cache->Head().ProvidesCount*Cache->Head().ProvidesSz) << ')' << endl;
-
- // String list stats
- unsigned long Size = 0;
- unsigned long Count = 0;
- for (pkgCache::StringItem *I = Cache->StringItemP + Cache->Head().StringList;
- I!= Cache->StringItemP; I = Cache->StringItemP + I->NextItem)
- {
- Count++;
- Size += strlen(Cache->StrP + I->String) + 1;
- }
- cout << _("Total globbed strings: ") << Count << " (" << SizeToStr(Size) << ')' << endl;
- unsigned long DepVerSize = 0;
+ // String list stats
+ std::set<map_stringitem_t> stritems;
+ for (pkgCache::GrpIterator G = Cache->GrpBegin(); G.end() == false; ++G)
+ stritems.insert(G->Name);
for (pkgCache::PkgIterator P = Cache->PkgBegin(); P.end() == false; ++P)
{
+ stritems.insert(P->Arch);
for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V)
{
+ if (V->VerStr != 0)
+ stritems.insert(V->VerStr);
+ if (V->Section != 0)
+ stritems.insert(V->Section);
+ stritems.insert(V->SourcePkgName);
+ stritems.insert(V->SourceVerStr);
for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; ++D)
{
if (D->Version != 0)
- DepVerSize += strlen(D.TargetVer()) + 1;
+ stritems.insert(D->Version);
}
+ for (pkgCache::DescIterator D = V.DescriptionList(); D.end() == false; ++D)
+ {
+ stritems.insert(D->md5sum);
+ stritems.insert(D->language_code);
+ }
+ }
+ for (pkgCache::PrvIterator Prv = P.ProvidesList(); Prv.end() == false; ++Prv)
+ {
+ if (Prv->ProvideVersion != 0)
+ stritems.insert(Prv->ProvideVersion);
}
}
- cout << _("Total dependency version space: ") << SizeToStr(DepVerSize) << endl;
-
+ for (pkgCache::RlsFileIterator F = Cache->RlsFileBegin(); F != Cache->RlsFileEnd(); ++F)
+ {
+ stritems.insert(F->FileName);
+ stritems.insert(F->Archive);
+ stritems.insert(F->Codename);
+ stritems.insert(F->Version);
+ stritems.insert(F->Origin);
+ stritems.insert(F->Label);
+ stritems.insert(F->Site);
+ }
+ for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F != Cache->FileEnd(); ++F)
+ {
+ stritems.insert(F->FileName);
+ stritems.insert(F->Architecture);
+ stritems.insert(F->Component);
+ stritems.insert(F->IndexType);
+ }
+
+ unsigned long Size = 0;
+ for (std::set<map_stringitem_t>::const_iterator i = stritems.begin(); i != stritems.end(); ++i)
+ Size += strlen(Cache->StrP + *i) + 1;
+ cout << _("Total globbed strings: ") << stritems.size() << " (" << SizeToStr(Size) << ')' << endl;
+ stritems.clear();
+
unsigned long Slack = 0;
for (int I = 0; I != 7; I++)
Slack += Cache->Head().Pools[I].ItemSize*Cache->Head().Pools[I].Count;
cout << _("Total slack space: ") << SizeToStr(Slack) << endl;
-
+
unsigned long Total = 0;
- Total = Slack + Size + Cache->Head().DependsCount*Cache->Head().DependencySz +
- Cache->Head().VersionCount*Cache->Head().VersionSz +
- Cache->Head().PackageCount*Cache->Head().PackageSz +
- Cache->Head().VerFileCount*Cache->Head().VerFileSz +
- Cache->Head().ProvidesCount*Cache->Head().ProvidesSz;
+#define APT_CACHESIZE(X,Y) (Cache->Head().X * Cache->Head().Y)
+ Total = Slack + Size +
+ APT_CACHESIZE(GroupCount, GroupSz) +
+ APT_CACHESIZE(PackageCount, PackageSz) +
+ APT_CACHESIZE(VersionCount, VersionSz) +
+ APT_CACHESIZE(DescriptionCount, DescriptionSz) +
+ APT_CACHESIZE(DependsCount, DependencySz) +
+ APT_CACHESIZE(DependsDataCount, DependencyDataSz) +
+ APT_CACHESIZE(ReleaseFileCount, ReleaseFileSz) +
+ APT_CACHESIZE(PackageFileCount, PackageFileSz) +
+ APT_CACHESIZE(VerFileCount, VerFileSz) +
+ APT_CACHESIZE(DescFileCount, DescFileSz) +
+ APT_CACHESIZE(ProvidesCount, ProvidesSz) +
+ (2 * Cache->Head().GetHashTableSize() * sizeof(map_id_t));
cout << _("Total space accounted for: ") << SizeToStr(Total) << endl;
-
+#undef APT_CACHESIZE
+
+ // hashtable stats
+ ShowHashTableStats<pkgCache::Package>("PkgHashTable", Cache->PkgP, Cache->Head().PkgHashTableP(), Cache->Head().GetHashTableSize(), PackageNext);
+ ShowHashTableStats<pkgCache::Group>("GrpHashTable", Cache->GrpP, Cache->Head().GrpHashTableP(), Cache->Head().GetHashTableSize(), GroupNext);
+
return true;
}
/*}}}*/
LocalitySort(VFList,Count,sizeof(*VFList));
+ std::vector<pkgTagSection::Tag> RW;
+ RW.push_back(pkgTagSection::Tag::Remove("Status"));
+ RW.push_back(pkgTagSection::Tag::Remove("Config-Version"));
+ FileFd stdoutfd;
+ stdoutfd.OpenDescriptor(STDOUT_FILENO, FileFd::WriteOnly, false);
+
// Iterate over all the package files and write them out.
char *Buffer = new char[Cache->HeaderP->MaxVerFileSize+10];
for (pkgCache::VerFile **J = VFList; *J != 0;)
if (PkgF.Read(Buffer,VF.Size + Jitter) == false)
break;
Buffer[VF.Size + Jitter] = '\n';
-
+
// See above..
if ((File->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource)
{
pkgTagSection Tags;
- TFRewriteData RW[] = {{"Status", NULL, NULL},{"Config-Version", NULL, NULL},{NULL, NULL, NULL}};
- const char *Zero = 0;
if (Tags.Scan(Buffer+Jitter,VF.Size+1) == false ||
- TFRewrite(stdout,Tags,&Zero,RW) == false)
+ Tags.Write(stdoutfd, NULL, RW) == false ||
+ stdoutfd.Write("\n", 1) == false)
{
_error->Error("Internal Error, Unable to parse a package record");
break;
}
- fputc('\n',stdout);
}
else
{
- if (fwrite(Buffer+Jitter,VF.Size+1,1,stdout) != 1)
+ if (stdoutfd.Write(Buffer + Jitter, VF.Size + 1) == false)
break;
}
-
+
Pos = VF.Offset + VF.Size;
}
- fflush(stdout);
if (_error->PendingError() == true)
break;
}
-
+
delete [] Buffer;
delete [] VFList;
return !_error->PendingError();
}
/*}}}*/
-// ShowDepends - Helper for printing out a dependency tree /*{{{*/
-static bool ShowDepends(CommandLine &CmdL, bool const RevDepends)
-{
- pkgCacheFile CacheFile;
- pkgCache *Cache = CacheFile.GetPkgCache();
- if (unlikely(Cache == NULL))
- return false;
-
- CacheSetHelperVirtuals helper(false);
- APT::VersionList verset = APT::VersionList::FromCommandLine(CacheFile, CmdL.FileList + 1, APT::VersionList::CANDIDATE, helper);
- if (verset.empty() == true && helper.virtualPkgs.empty() == true)
- return _error->Error(_("No packages found"));
- std::vector<bool> Shown(Cache->Head().PackageCount);
-
- bool const Recurse = _config->FindB("APT::Cache::RecurseDepends", false);
- bool const Installed = _config->FindB("APT::Cache::Installed", false);
- bool const Important = _config->FindB("APT::Cache::Important", false);
- bool const ShowDepType = _config->FindB("APT::Cache::ShowDependencyType", RevDepends == false);
- bool const ShowVersion = _config->FindB("APT::Cache::ShowVersion", false);
- bool const ShowPreDepends = _config->FindB("APT::Cache::ShowPre-Depends", true);
- bool const ShowDepends = _config->FindB("APT::Cache::ShowDepends", true);
- bool const ShowRecommends = _config->FindB("APT::Cache::ShowRecommends", Important == false);
- bool const ShowSuggests = _config->FindB("APT::Cache::ShowSuggests", Important == false);
- bool const ShowReplaces = _config->FindB("APT::Cache::ShowReplaces", Important == false);
- bool const ShowConflicts = _config->FindB("APT::Cache::ShowConflicts", Important == false);
- bool const ShowBreaks = _config->FindB("APT::Cache::ShowBreaks", Important == false);
- bool const ShowEnhances = _config->FindB("APT::Cache::ShowEnhances", Important == false);
- bool const ShowOnlyFirstOr = _config->FindB("APT::Cache::ShowOnlyFirstOr", false);
-
- while (verset.empty() != true)
- {
- pkgCache::VerIterator Ver = *verset.begin();
- verset.erase(verset.begin());
- pkgCache::PkgIterator Pkg = Ver.ParentPkg();
- Shown[Pkg->ID] = true;
-
- cout << Pkg.FullName(true) << endl;
-
- if (RevDepends == true)
- cout << "Reverse Depends:" << endl;
- for (pkgCache::DepIterator D = RevDepends ? Pkg.RevDependsList() : Ver.DependsList();
- D.end() == false; ++D)
- {
- switch (D->Type) {
- case pkgCache::Dep::PreDepends: if (!ShowPreDepends) continue; break;
- case pkgCache::Dep::Depends: if (!ShowDepends) continue; break;
- case pkgCache::Dep::Recommends: if (!ShowRecommends) continue; break;
- case pkgCache::Dep::Suggests: if (!ShowSuggests) continue; break;
- case pkgCache::Dep::Replaces: if (!ShowReplaces) continue; break; case pkgCache::Dep::Conflicts: if (!ShowConflicts) continue; break;
- case pkgCache::Dep::DpkgBreaks: if (!ShowBreaks) continue; break;
- case pkgCache::Dep::Enhances: if (!ShowEnhances) continue; break;
- }
-
- pkgCache::PkgIterator Trg = RevDepends ? D.ParentPkg() : D.TargetPkg();
-
- if((Installed && Trg->CurrentVer != 0) || !Installed)
- {
-
- if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or && ShowOnlyFirstOr == false)
- cout << " |";
- else
- cout << " ";
-
- // Show the package
- if (ShowDepType == true)
- cout << D.DepType() << ": ";
- if (Trg->VersionList == 0)
- cout << "<" << Trg.FullName(true) << ">";
- else
- cout << Trg.FullName(true);
- if (ShowVersion == true && D->Version != 0)
- cout << " (" << pkgCache::CompTypeDeb(D->CompareOp) << ' ' << D.TargetVer() << ')';
- cout << std::endl;
-
- if (Recurse == true && Shown[Trg->ID] == false)
- {
- Shown[Trg->ID] = true;
- verset.insert(APT::VersionSet::FromPackage(CacheFile, Trg, APT::VersionSet::CANDIDATE, helper));
- }
-
- }
-
- // Display all solutions
- SPtrArray<pkgCache::Version *> List = D.AllTargets();
- pkgPrioSortList(*Cache,List);
- for (pkgCache::Version **I = List; *I != 0; I++)
- {
- pkgCache::VerIterator V(*Cache,*I);
- if (V != Cache->VerP + V.ParentPkg()->VersionList ||
- V->ParentPkg == D->Package)
- continue;
- cout << " " << V.ParentPkg().FullName(true) << endl;
-
- if (Recurse == true && Shown[V.ParentPkg()->ID] == false)
- {
- Shown[V.ParentPkg()->ID] = true;
- verset.insert(APT::VersionSet::FromPackage(CacheFile, V.ParentPkg(), APT::VersionSet::CANDIDATE, helper));
- }
- }
-
- if (ShowOnlyFirstOr == true)
- while ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or) ++D;
- }
- }
-
- for (APT::PackageSet::const_iterator Pkg = helper.virtualPkgs.begin();
- Pkg != helper.virtualPkgs.end(); ++Pkg)
- cout << '<' << Pkg.FullName(true) << '>' << endl;
-
- return true;
-}
- /*}}}*/
-// Depends - Print out a dependency tree /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-static bool Depends(CommandLine &CmdL)
-{
- return ShowDepends(CmdL, false);
-}
- /*}}}*/
-// RDepends - Print out a reverse dependency tree /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-static bool RDepends(CommandLine &CmdL)
-{
- return ShowDepends(CmdL, true);
-}
- /*}}}*/
// xvcg - Generate a graph for xvcg /*{{{*/
// ---------------------------------------------------------------------
// Code contributed from Junichi Uekawa <dancer@debian.org> on 20 June 2002.
// Load the list of packages from the command line into the show list
APT::CacheSetHelper helper(true, GlobalError::NOTICE);
- std::list<APT::PackageSet::Modifier> mods;
- mods.push_back(APT::PackageSet::Modifier(0, ",", APT::PackageSet::Modifier::POSTFIX));
- mods.push_back(APT::PackageSet::Modifier(1, "^", APT::PackageSet::Modifier::POSTFIX));
+ std::list<APT::CacheSetHelper::PkgModifier> mods;
+ mods.push_back(APT::CacheSetHelper::PkgModifier(0, ",", APT::PackageSet::Modifier::POSTFIX));
+ mods.push_back(APT::CacheSetHelper::PkgModifier(1, "^", APT::PackageSet::Modifier::POSTFIX));
std::map<unsigned short, APT::PackageSet> pkgsets =
APT::PackageSet::GroupedFromCommandLine(CacheFile, CmdL.FileList + 1, mods, 0, helper);
// Load the list of packages from the command line into the show list
APT::CacheSetHelper helper(true, GlobalError::NOTICE);
- std::list<APT::PackageSet::Modifier> mods;
- mods.push_back(APT::PackageSet::Modifier(0, ",", APT::PackageSet::Modifier::POSTFIX));
- mods.push_back(APT::PackageSet::Modifier(1, "^", APT::PackageSet::Modifier::POSTFIX));
+ std::list<APT::CacheSetHelper::PkgModifier> mods;
+ mods.push_back(APT::CacheSetHelper::PkgModifier(0, ",", APT::PackageSet::Modifier::POSTFIX));
+ mods.push_back(APT::CacheSetHelper::PkgModifier(1, "^", APT::PackageSet::Modifier::POSTFIX));
std::map<unsigned short, APT::PackageSet> pkgsets =
APT::PackageSet::GroupedFromCommandLine(CacheFile, CmdL.FileList + 1, mods, 0, helper);
return true;
}
/*}}}*/
-// DisplayRecord - Displays the complete record for the package /*{{{*/
-// ---------------------------------------------------------------------
-/* This displays the package record from the proper package index file.
- It is not used by DumpAvail for performance reasons. */
-
-static APT_PURE unsigned char const* skipDescriptionFields(unsigned char const * DescP)
-{
- char const * const TagName = "\nDescription";
- size_t const TagLen = strlen(TagName);
- while ((DescP = (unsigned char*)strchr((char*)DescP, '\n')) != NULL)
- {
- if (DescP[1] == ' ')
- DescP += 2;
- else if (strncmp((char*)DescP, TagName, TagLen) == 0)
- DescP += TagLen;
- else
- break;
- }
- if (DescP != NULL)
- ++DescP;
- return DescP;
-}
-static bool DisplayRecord(pkgCacheFile &CacheFile, pkgCache::VerIterator V)
-{
- pkgCache *Cache = CacheFile.GetPkgCache();
- if (unlikely(Cache == NULL))
- return false;
-
- // Find an appropriate file
- pkgCache::VerFileIterator Vf = V.FileList();
- for (; Vf.end() == false; ++Vf)
- if ((Vf.File()->Flags & pkgCache::Flag::NotSource) == 0)
- break;
- if (Vf.end() == true)
- Vf = V.FileList();
-
- // Check and load the package list file
- pkgCache::PkgFileIterator I = Vf.File();
- if (I.IsOk() == false)
- return _error->Error(_("Package file %s is out of sync."),I.FileName());
-
- FileFd PkgF;
- if (PkgF.Open(I.FileName(), FileFd::ReadOnly, FileFd::Extension) == false)
- return false;
-
- // Read the record (and ensure that it ends with a newline and NUL)
- unsigned char *Buffer = new unsigned char[Cache->HeaderP->MaxVerFileSize+2];
- Buffer[Vf->Size] = '\n';
- Buffer[Vf->Size+1] = '\0';
- if (PkgF.Seek(Vf->Offset) == false ||
- PkgF.Read(Buffer,Vf->Size) == false)
- {
- delete [] Buffer;
- return false;
- }
-
- // Get a pointer to start of Description field
- const unsigned char *DescP = (unsigned char*)strstr((char*)Buffer, "\nDescription");
- if (DescP != NULL)
- ++DescP;
- else
- DescP = Buffer + Vf->Size;
-
- // Write all but Description
- size_t const length = DescP - Buffer;
- if (length != 0 && FileFd::Write(STDOUT_FILENO, Buffer, length) == false)
- {
- delete [] Buffer;
- return false;
- }
-
- // Show the right description
- pkgRecords Recs(*Cache);
- pkgCache::DescIterator Desc = V.TranslatedDescription();
- if (Desc.end() == false)
- {
- pkgRecords::Parser &P = Recs.Lookup(Desc.FileList());
- cout << "Description" << ( (strcmp(Desc.LanguageCode(),"") != 0) ? "-" : "" ) << Desc.LanguageCode() << ": " << P.LongDesc();
- cout << std::endl << "Description-md5: " << Desc.md5() << std::endl;
-
- // Find the first field after the description (if there is any)
- DescP = skipDescriptionFields(DescP);
- }
- // else we have no translation, so we found a lonely Description-md5 -> don't skip it
-
- // write the rest of the buffer, but skip mixed in Descriptions* fields
- while (DescP != NULL)
- {
- const unsigned char * const Start = DescP;
- const unsigned char *End = (unsigned char*)strstr((char*)DescP, "\nDescription");
- if (End == NULL)
- {
- End = &Buffer[Vf->Size];
- DescP = NULL;
- }
- else
- {
- ++End; // get the newline into the output
- DescP = skipDescriptionFields(End + strlen("Description"));
- }
- size_t const length = End - Start;
- if (length != 0 && FileFd::Write(STDOUT_FILENO, Start, length) == false)
- {
- delete [] Buffer;
- return false;
- }
- }
-
- // write a final newline after the last field
- cout<<endl;
-
- delete [] Buffer;
- return true;
-}
- /*}}}*/
-struct ExDescFile
-{
- pkgCache::DescFile *Df;
- map_ptrloc ID;
-};
-
-// Search - Perform a search /*{{{*/
-// ---------------------------------------------------------------------
-/* This searches the package names and package descriptions for a pattern */
-static bool Search(CommandLine &CmdL)
-{
- bool const ShowFull = _config->FindB("APT::Cache::ShowFull",false);
- bool const NamesOnly = _config->FindB("APT::Cache::NamesOnly",false);
- unsigned int const NumPatterns = CmdL.FileSize() -1;
-
- pkgCacheFile CacheFile;
- pkgCache *Cache = CacheFile.GetPkgCache();
- pkgDepCache::Policy *Plcy = CacheFile.GetPolicy();
- if (unlikely(Cache == NULL || Plcy == NULL))
- return false;
-
- // Make sure there is at least one argument
- if (NumPatterns < 1)
- return _error->Error(_("You must give at least one search pattern"));
-
- // Compile the regex pattern
- regex_t *Patterns = new regex_t[NumPatterns];
- memset(Patterns,0,sizeof(*Patterns)*NumPatterns);
- for (unsigned I = 0; I != NumPatterns; I++)
- {
- if (regcomp(&Patterns[I],CmdL.FileList[I+1],REG_EXTENDED | REG_ICASE |
- REG_NOSUB) != 0)
- {
- for (; I != 0; I--)
- regfree(&Patterns[I]);
- return _error->Error("Regex compilation error");
- }
- }
-
- if (_error->PendingError() == true)
- {
- for (unsigned I = 0; I != NumPatterns; I++)
- regfree(&Patterns[I]);
- return false;
- }
-
- size_t const descCount = Cache->HeaderP->GroupCount + 1;
- ExDescFile *DFList = new ExDescFile[descCount];
- memset(DFList,0,sizeof(*DFList) * descCount);
-
- bool PatternMatch[descCount * NumPatterns];
- memset(PatternMatch,false,sizeof(PatternMatch));
-
- // Map versions that we want to write out onto the VerList array.
- for (pkgCache::GrpIterator G = Cache->GrpBegin(); G.end() == false; ++G)
- {
- size_t const PatternOffset = G->ID * NumPatterns;
- size_t unmatched = 0, matched = 0;
- for (unsigned I = 0; I < NumPatterns; ++I)
- {
- if (PatternMatch[PatternOffset + I] == true)
- ++matched;
- else if (regexec(&Patterns[I],G.Name(),0,0,0) == 0)
- PatternMatch[PatternOffset + I] = true;
- else
- ++unmatched;
- }
-
- // already dealt with this package?
- if (matched == NumPatterns)
- continue;
-
- // Doing names only, drop any that don't match..
- if (NamesOnly == true && unmatched == NumPatterns)
- continue;
-
- // Find the proper version to use
- pkgCache::PkgIterator P = G.FindPreferredPkg();
- if (P.end() == true)
- continue;
- pkgCache::VerIterator V = Plcy->GetCandidateVer(P);
- if (V.end() == false)
- {
- pkgCache::DescIterator const D = V.TranslatedDescription();
- //FIXME: packages without a description can't be found
- if (D.end() == true)
- continue;
- DFList[G->ID].Df = D.FileList();
- DFList[G->ID].ID = G->ID;
- }
-
- if (unmatched == NumPatterns)
- continue;
-
- // Include all the packages that provide matching names too
- for (pkgCache::PrvIterator Prv = P.ProvidesList() ; Prv.end() == false; ++Prv)
- {
- pkgCache::VerIterator V = Plcy->GetCandidateVer(Prv.OwnerPkg());
- if (V.end() == true)
- continue;
-
- unsigned long id = Prv.OwnerPkg().Group()->ID;
- pkgCache::DescIterator const D = V.TranslatedDescription();
- //FIXME: packages without a description can't be found
- if (D.end() == true)
- continue;
- DFList[id].Df = D.FileList();
- DFList[id].ID = id;
-
- size_t const PrvPatternOffset = id * NumPatterns;
- for (unsigned I = 0; I < NumPatterns; ++I)
- PatternMatch[PrvPatternOffset + I] = PatternMatch[PatternOffset + I];
- }
- }
-
- LocalitySort(&DFList->Df,Cache->HeaderP->GroupCount,sizeof(*DFList));
-
- // Create the text record parser
- pkgRecords Recs(*Cache);
- // Iterate over all the version records and check them
- for (ExDescFile *J = DFList; J->Df != 0; ++J)
- {
- pkgRecords::Parser &P = Recs.Lookup(pkgCache::DescFileIterator(*Cache,J->Df));
- size_t const PatternOffset = J->ID * NumPatterns;
-
- if (NamesOnly == false)
- {
- string const LongDesc = P.LongDesc();
- for (unsigned I = 0; I < NumPatterns; ++I)
- {
- if (PatternMatch[PatternOffset + I] == true)
- continue;
- else if (regexec(&Patterns[I],LongDesc.c_str(),0,0,0) == 0)
- PatternMatch[PatternOffset + I] = true;
- }
- }
-
- bool matchedAll = true;
- for (unsigned I = 0; I < NumPatterns; ++I)
- if (PatternMatch[PatternOffset + I] == false)
- {
- matchedAll = false;
- break;
- }
-
- if (matchedAll == true)
- {
- if (ShowFull == true)
- {
- const char *Start;
- const char *End;
- P.GetRec(Start,End);
- fwrite(Start,End-Start,1,stdout);
- putc('\n',stdout);
- }
- else
- printf("%s - %s\n",P.Name().c_str(),P.ShortDesc().c_str());
- }
- }
-
- delete [] DFList;
- for (unsigned I = 0; I != NumPatterns; I++)
- regfree(&Patterns[I]);
- if (ferror(stdout))
- return _error->Error("Write to stdout failed");
- return true;
-}
- /*}}}*/
/* ShowAuto - show automatically installed packages (sorted) {{{*/
static bool ShowAuto(CommandLine &)
{
return true;
}
/*}}}*/
-// ShowPackage - Dump the package record to the screen /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-static bool ShowPackage(CommandLine &CmdL)
-{
- pkgCacheFile CacheFile;
- CacheSetHelperVirtuals helper(true, GlobalError::NOTICE);
- APT::VersionList::Version const select = _config->FindB("APT::Cache::AllVersions", true) ?
- APT::VersionList::ALL : APT::VersionList::CANDIDATE;
- APT::VersionList const verset = APT::VersionList::FromCommandLine(CacheFile, CmdL.FileList + 1, select, helper);
- for (APT::VersionList::const_iterator Ver = verset.begin(); Ver != verset.end(); ++Ver)
- if (DisplayRecord(CacheFile, Ver) == false)
- return false;
-
- if (verset.empty() == true)
- {
- if (helper.virtualPkgs.empty() == true)
- return _error->Error(_("No packages found"));
- else
- _error->Notice(_("No packages found"));
- }
- return true;
-}
- /*}}}*/
// ShowPkgNames - Show package names /*{{{*/
// ---------------------------------------------------------------------
/* This does a prefix match on the first argument */
cout << I.Name() << endl;
}
- return true;
-}
- /*}}}*/
-// ShowSrcPackage - Show source package records /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-static bool ShowSrcPackage(CommandLine &CmdL)
-{
- pkgCacheFile CacheFile;
- pkgSourceList *List = CacheFile.GetSourceList();
- if (unlikely(List == NULL))
- return false;
-
- // Create the text record parsers
- pkgSrcRecords SrcRecs(*List);
- if (_error->PendingError() == true)
- return false;
-
- unsigned found = 0;
- for (const char **I = CmdL.FileList + 1; *I != 0; I++)
- {
- SrcRecs.Restart();
-
- pkgSrcRecords::Parser *Parse;
- unsigned found_this = 0;
- while ((Parse = SrcRecs.Find(*I,false)) != 0) {
- cout << Parse->AsStr() << endl;;
- found++;
- found_this++;
- }
- if (found_this == 0) {
- _error->Warning(_("Unable to locate package %s"),*I);
- continue;
- }
- }
- if (found == 0)
- _error->Notice(_("No packages found"));
- return true;
-}
- /*}}}*/
-// Policy - Show the results of the preferences file /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-static bool Policy(CommandLine &CmdL)
-{
- pkgCacheFile CacheFile;
- pkgCache *Cache = CacheFile.GetPkgCache();
- pkgPolicy *Plcy = CacheFile.GetPolicy();
- pkgSourceList *SrcList = CacheFile.GetSourceList();
- if (unlikely(Cache == NULL || Plcy == NULL || SrcList == NULL))
- return false;
-
- /* Should the MultiArchKiller be run to see which pseudo packages for an
- arch all package are currently installed? Activating it gives a speed
- penality for no real gain beside enhanced debugging, so in general no. */
- if (_config->FindB("APT::Cache::Policy::DepCache", false) == true)
- CacheFile.GetDepCache();
-
- // Print out all of the package files
- if (CmdL.FileList[1] == 0)
- {
- cout << _("Package files:") << endl;
- for (pkgCache::PkgFileIterator F = Cache->FileBegin(); F.end() == false; ++F)
- {
- // Locate the associated index files so we can derive a description
- pkgIndexFile *Indx;
- if (SrcList->FindIndex(F,Indx) == false &&
- _system->FindIndex(F,Indx) == false)
- return _error->Error(_("Cache is out of sync, can't x-ref a package file"));
-
- printf("%4i %s\n",
- Plcy->GetPriority(F),Indx->Describe(true).c_str());
-
- // Print the reference information for the package
- string Str = F.RelStr();
- if (Str.empty() == false)
- printf(" release %s\n",F.RelStr().c_str());
- if (F.Site() != 0 && F.Site()[0] != 0)
- printf(" origin %s\n",F.Site());
- }
-
- // Show any packages have explicit pins
- cout << _("Pinned packages:") << endl;
- pkgCache::PkgIterator I = Cache->PkgBegin();
- for (;I.end() != true; ++I)
- {
- if (Plcy->GetPriority(I) == 0)
- continue;
-
- // Print the package name and the version we are forcing to
- cout << " " << I.FullName(true) << " -> ";
-
- pkgCache::VerIterator V = Plcy->GetMatch(I);
- if (V.end() == true)
- cout << _("(not found)") << endl;
- else
- cout << V.VerStr() << endl;
- }
-
- return true;
- }
-
- char const * const msgInstalled = _(" Installed: ");
- char const * const msgCandidate = _(" Candidate: ");
- short const InstalledLessCandidate =
- mbstowcs(NULL, msgInstalled, 0) - mbstowcs(NULL, msgCandidate, 0);
- short const deepInstalled =
- (InstalledLessCandidate < 0 ? (InstalledLessCandidate*-1) : 0) - 1;
- short const deepCandidate =
- (InstalledLessCandidate > 0 ? (InstalledLessCandidate) : 0) - 1;
-
- // Print out detailed information for each package
- APT::CacheSetHelper helper(true, GlobalError::NOTICE);
- APT::PackageList pkgset = APT::PackageList::FromCommandLine(CacheFile, CmdL.FileList + 1, helper);
- for (APT::PackageList::const_iterator Pkg = pkgset.begin(); Pkg != pkgset.end(); ++Pkg)
- {
- cout << Pkg.FullName(true) << ":" << endl;
-
- // Installed version
- cout << msgInstalled << OutputInDepth(deepInstalled, " ");
- if (Pkg->CurrentVer == 0)
- cout << _("(none)") << endl;
- else
- cout << Pkg.CurrentVer().VerStr() << endl;
-
- // Candidate Version
- cout << msgCandidate << OutputInDepth(deepCandidate, " ");
- pkgCache::VerIterator V = Plcy->GetCandidateVer(Pkg);
- if (V.end() == true)
- cout << _("(none)") << endl;
- else
- cout << V.VerStr() << endl;
-
- // Pinned version
- if (Plcy->GetPriority(Pkg) != 0)
- {
- cout << _(" Package pin: ");
- V = Plcy->GetMatch(Pkg);
- if (V.end() == true)
- cout << _("(not found)") << endl;
- else
- cout << V.VerStr() << endl;
- }
-
- // Show the priority tables
- cout << _(" Version table:") << endl;
- for (V = Pkg.VersionList(); V.end() == false; ++V)
- {
- if (Pkg.CurrentVer() == V)
- cout << " *** " << V.VerStr();
- else
- cout << " " << V.VerStr();
- cout << " " << Plcy->GetPriority(Pkg) << endl;
- for (pkgCache::VerFileIterator VF = V.FileList(); VF.end() == false; ++VF)
- {
- // Locate the associated index files so we can derive a description
- pkgIndexFile *Indx;
- if (SrcList->FindIndex(VF.File(),Indx) == false &&
- _system->FindIndex(VF.File(),Indx) == false)
- return _error->Error(_("Cache is out of sync, can't x-ref a package file"));
- printf(" %4i %s\n",Plcy->GetPriority(VF.File()),
- Indx->Describe(true).c_str());
- }
- }
- }
-
return true;
}
/*}}}*/
return CacheFile.BuildCaches(&Progress, true);
}
/*}}}*/
-// ShowHelp - Show a help screen /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-static bool ShowHelp(CommandLine &)
+static bool ShowHelp(CommandLine &) /*{{{*/
{
- ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,PACKAGE_VERSION,
- COMMON_ARCH,__DATE__,__TIME__);
-
- if (_config->FindB("version") == true)
- return true;
-
- cout <<
+ std::cout <<
_("Usage: apt-cache [options] command\n"
- " apt-cache [options] showpkg pkg1 [pkg2 ...]\n"
- " apt-cache [options] showsrc pkg1 [pkg2 ...]\n"
- "\n"
- "apt-cache is a low-level tool used to query information\n"
- "from APT's binary cache files\n"
+ " apt-cache [options] show pkg1 [pkg2 ...]\n"
"\n"
- "Commands:\n"
- " gencaches - Build both the package and source cache\n"
- " showpkg - Show some general information for a single package\n"
- " showsrc - Show source records\n"
- " stats - Show some basic statistics\n"
- " dump - Show the entire file in a terse form\n"
- " dumpavail - Print an available file to stdout\n"
- " unmet - Show unmet dependencies\n"
- " search - Search the package list for a regex pattern\n"
- " show - Show a readable record for the package\n"
- " depends - Show raw dependency information for a package\n"
- " rdepends - Show reverse dependency information for a package\n"
- " pkgnames - List the names of all packages in the system\n"
- " dotty - Generate package graphs for GraphViz\n"
- " xvcg - Generate package graphs for xvcg\n"
- " policy - Show policy settings\n"
- "\n"
- "Options:\n"
- " -h This help text.\n"
- " -p=? The package cache.\n"
- " -s=? The source cache.\n"
- " -q Disable progress indicator.\n"
- " -i Show only important deps for the unmet command.\n"
- " -c=? Read this configuration file\n"
- " -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
- "See the apt-cache(8) and apt.conf(5) manual pages for more information.\n");
+ "apt-cache queries and displays available information about installed\n"
+ "and installable packages. It works exclusively on the data acquired\n"
+ "into the local cache via the 'update' command of e.g. apt-get. The\n"
+ "displayed information may therefore be outdated if the last update was\n"
+ "too long ago, but in exchange apt-cache works independently of the\n"
+ "availability of the configured sources (e.g. offline).\n");
return true;
}
/*}}}*/
+static std::vector<aptDispatchWithHelp> GetCommands() /*{{{*/
+{
+ return {
+ {"gencaches",&GenCaches, nullptr},
+ {"showsrc",&ShowSrcPackage, _("Show source records")},
+ {"showpkg",&DumpPackage, nullptr},
+ {"stats",&Stats, nullptr},
+ {"dump",&Dump, nullptr},
+ {"dumpavail",&DumpAvail, nullptr},
+ {"unmet",&UnMet, nullptr},
+ {"search",&DoSearch, _("Search the package list for a regex pattern")},
+ {"depends",&Depends, _("Show raw dependency information for a package")},
+ {"rdepends",&RDepends, _("Show reverse dependency information for a package")},
+ {"dotty",&Dotty, nullptr},
+ {"xvcg",&XVcg, nullptr},
+ {"show",&ShowPackage, _("Show a readable record for the package")},
+ {"pkgnames",&ShowPkgNames, _("List the names of all packages in the system")},
+ {"showauto",&ShowAuto, nullptr},
+ {"policy",&Policy, _("Show policy settings")},
+ {"madison",&Madison, nullptr},
+ {nullptr, nullptr, nullptr}
+ };
+}
+ /*}}}*/
int main(int argc,const char *argv[]) /*{{{*/
{
- CommandLine::Dispatch Cmds[] = {{"help",&ShowHelp},
- {"gencaches",&GenCaches},
- {"showsrc",&ShowSrcPackage},
- {"showpkg",&DumpPackage},
- {"stats",&Stats},
- {"dump",&Dump},
- {"dumpavail",&DumpAvail},
- {"unmet",&UnMet},
- {"search",&Search},
- {"depends",&Depends},
- {"rdepends",&RDepends},
- {"dotty",&Dotty},
- {"xvcg",&XVcg},
- {"show",&ShowPackage},
- {"pkgnames",&ShowPkgNames},
- {"showauto",&ShowAuto},
- {"policy",&Policy},
- {"madison",&Madison},
- {0,0}};
-
- std::vector<CommandLine::Args> Args = getCommandArgs("apt-cache", CommandLine::GetCommand(Cmds, argc, argv));
-
- // Set up gettext support
- setlocale(LC_ALL,"");
- textdomain(PACKAGE);
-
// Parse the command line and initialize the package library
- CommandLine CmdL(Args.data(),_config);
- if (pkgInitConfig(*_config) == false ||
- CmdL.Parse(argc,argv) == false ||
- pkgInitSystem(*_config,_system) == false)
- {
- _error->DumpErrors();
- return 100;
- }
+ CommandLine CmdL;
+ auto const Cmds = ParseCommandLine(CmdL, APT_CMD::APT_CACHE, &_config, &_system, argc, argv, &ShowHelp, &GetCommands);
- // See if the help should be shown
- if (_config->FindB("help") == true ||
- CmdL.FileSize() == 0)
- {
- ShowHelp(CmdL);
- return 0;
- }
-
- // Deal with stdout not being a tty
- if (!isatty(STDOUT_FILENO) && _config->FindI("quiet", -1) == -1)
- _config->Set("quiet","1");
+ InitOutput();
if (_config->Exists("APT::Cache::Generate") == true)
_config->Set("pkgCacheFile::Generate", _config->FindB("APT::Cache::Generate", true));
- // Match the operation
- CmdL.DispatchArg(Cmds);
-
- // Print any errors or warnings found during parsing
- bool const Errors = _error->PendingError();
- if (_config->FindI("quiet",0) > 0)
- _error->DumpErrors();
- else
- _error->DumpErrors(GlobalError::DEBUG);
- return Errors == true ? 100 : 0;
+ return DispatchCommandLine(CmdL, Cmds);
}
/*}}}*/
projects / apt.git / blobdiff