// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: apt-cache.cc,v 1.18 1998/12/10 05:39:53 jgg Exp $
+// $Id: apt-cache.cc,v 1.28 1999/02/19 08:57:41 jgg Exp $
/* ######################################################################
apt-cache - Manages the cache files
#include <apt-pkg/progress.h>
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/cmndline.h>
-#include <strutl.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/pkgrecords.h>
+#include <config.h>
#include <iostream.h>
-#include <config.h>
+#include <unistd.h>
+#include <errno.h>
+#include <regex.h>
/*}}}*/
+pkgCache *GCache = 0;
+
// UnMet - Show unmet dependencies /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool UnMet(pkgCache &Cache)
+bool UnMet(CommandLine &CmdL)
{
+ pkgCache &Cache = *GCache;
bool Important = _config->FindB("APT::Cache::Important",false);
for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
// DumpPackage - Show a dump of a package record /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool DumpPackage(pkgCache &Cache,CommandLine &CmdL)
+bool DumpPackage(CommandLine &CmdL)
{
+ pkgCache &Cache = *GCache;
for (const char **I = CmdL.FileList + 1; *I != 0; I++)
{
pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
// Stats - Dump some nice statistics /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool Stats(pkgCache &Cache)
+bool Stats(CommandLine &Cmd)
{
+ pkgCache &Cache = *GCache;
cout << "Total Package Names : " << Cache.Head().PackageCount << " (" <<
SizeToStr(Cache.Head().PackageCount*Cache.Head().PackageSz) << ')' << endl;
pkgCache::PkgIterator I = Cache.PkgBegin();
cout << "Total Dependencies: " << Cache.Head().DependsCount << " (" <<
SizeToStr(Cache.Head().DependsCount*Cache.Head().DependencySz) << ')' << endl;
- cout << "Total Ver/File relations: " << Cache.Head().PackageCount << " (" <<
- SizeToStr(Cache.Head().PackageCount*Cache.Head().PackageSz) << ')' << endl;
+ cout << "Total Ver/File relations: " << Cache.Head().VerFileCount << " (" <<
+ SizeToStr(Cache.Head().VerFileCount*Cache.Head().VerFileSz) << ')' << 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 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().PackageCount*Cache.Head().PackageSz +
+ Cache.Head().VerFileCount*Cache.Head().VerFileSz +
+ Cache.Head().ProvidesCount*Cache.Head().ProvidesSz;
cout << "Total Space Accounted for: " << SizeToStr(Total) << endl;
return true;
// Check - Check some things about the cache /*{{{*/
// ---------------------------------------------------------------------
/* Debug aide mostly */
-bool Check(pkgCache &Cache)
+bool Check(CommandLine &Cmd)
{
+ pkgCache &Cache = *GCache;
pkgCache::PkgIterator Pkg = Cache.PkgBegin();
for (;Pkg.end() != true; Pkg++)
{
// Dump - show everything /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool Dump(pkgCache &Cache)
+bool Dump(CommandLine &Cmd)
{
+ pkgCache &Cache = *GCache;
for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
{
cout << "Package: " << P.Name() << endl;
cout << " Size: " << F->Size << endl;
cout << " ID: " << F->ID << endl;
cout << " Flags: " << F->Flags << endl;
- cout << " Time: " << ctime(&F->mtime) << endl;
+ cout << " Time: " << TimeRFC1123(F->mtime) << endl;
+ cout << " Archive: " << F.Archive() << endl;
+ cout << " Component: " << F.Component() << endl;
+ cout << " Version: " << F.Version() << endl;
+ cout << " Origin: " << F.Origin() << endl;
+ cout << " Label: " << F.Label() << endl;
+ cout << " Architecture: " << F.Architecture() << endl;
}
return true;
}
/*}}}*/
+// GetCandidateVer - Returns the Candidate install version /*{{{*/
+// ---------------------------------------------------------------------
+/* This should really use the DepCache or something.. Copied from there. */
+static pkgCache::VerIterator GetCandidateVer(pkgCache::PkgIterator Pkg)
+{
+ /* Not source/not automatic versions cannot be a candidate version
+ unless they are already installed */
+ for (pkgCache::VerIterator I = Pkg.VersionList(); I.end() == false; I++)
+ {
+ if (Pkg.CurrentVer() == I)
+ return I;
+ for (pkgCache::VerFileIterator J = I.FileList(); J.end() == false; J++)
+ if ((J.File()->Flags & pkgCache::Flag::NotSource) == 0 &&
+ (J.File()->Flags & pkgCache::Flag::NotAutomatic) == 0)
+ return I;
+ }
+
+ return pkgCache::VerIterator(*GCache,0);
+}
+ /*}}}*/
// DumpAvail - Print out the available list /*{{{*/
// ---------------------------------------------------------------------
/* This is needed to make dpkg --merge happy */
-bool DumpAvail(pkgCache &Cache)
+bool DumpAvail(CommandLine &Cmd)
{
+ pkgCache &Cache = *GCache;
unsigned char *Buffer = new unsigned char[Cache.HeaderP->MaxVerFileSize];
for (pkgCache::PkgFileIterator I = Cache.FileBegin(); I.end() == false; I++)
structure to find them */
for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
{
- for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++)
+ // Find the proper version to use. We should probably use the DepCache.
+ pkgCache::VerIterator V = GetCandidateVer(P);
+
+ if (V.end() == true || V.FileList().File() != I)
+ continue;
+
+ // Read the record and then write it out again.
+ if (PkgF.Seek(V.FileList()->Offset) == false ||
+ PkgF.Read(Buffer,V.FileList()->Size) == false ||
+ write(STDOUT_FILENO,Buffer,V.FileList()->Size) != V.FileList()->Size)
{
- if (V->FileList == 0)
- continue;
- if (V.FileList().File() != I)
- continue;
-
- // Read the record and then write it out again.
- if (PkgF.Seek(V.FileList()->Offset) == false ||
- PkgF.Read(Buffer,V.FileList()->Size) == false ||
- write(STDOUT_FILENO,Buffer,V.FileList()->Size) != V.FileList()->Size)
- {
- delete [] Buffer;
- return false;
- }
- }
+ delete [] Buffer;
+ return false;
+ }
}
}
}
Progress.Done();
- Stats(Gen.GetCache());
+ GCache = &Gen.GetCache();
+ Stats(CmdL);
+ 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. */
+bool DisplayRecord(pkgCache::VerIterator V)
+{
+ // 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(I.FileName(),FileFd::ReadOnly);
+ if (_error->PendingError() == true)
+ return false;
+
+ // Read the record and then write it out again.
+ unsigned char *Buffer = new unsigned char[GCache->HeaderP->MaxVerFileSize];
+ if (PkgF.Seek(V.FileList()->Offset) == false ||
+ PkgF.Read(Buffer,V.FileList()->Size) == false ||
+ write(STDOUT_FILENO,Buffer,V.FileList()->Size) != V.FileList()->Size)
+ {
+ delete [] Buffer;
+ return false;
+ }
+
+ delete [] Buffer;
+
+ return true;
+}
+ /*}}}*/
+// Search - Perform a search /*{{{*/
+// ---------------------------------------------------------------------
+/* This searches the package names and pacakge descriptions for a pattern */
+bool Search(CommandLine &CmdL)
+{
+ pkgCache &Cache = *GCache;
+ bool ShowFull = _config->FindB("APT::Cache::ShowFull",false);
+ bool NamesOnly = _config->FindB("APT::Cache::NamesOnly",false);
+
+ // Make sure there is at least one argument
+ if (CmdL.FileSize() != 2)
+ return _error->Error("You must give exactly one pattern");
+
+ // Compile the regex pattern
+ regex_t Pattern;
+ if (regcomp(&Pattern,CmdL.FileList[1],REG_EXTENDED | REG_ICASE |
+ REG_NOSUB) != 0)
+ return _error->Error("Regex compilation error");
+
+ // Create the text record parser
+ pkgRecords Recs(Cache);
+ if (_error->PendingError() == true)
+ return false;
+
+ // Search package names
+ pkgCache::PkgIterator I = Cache.PkgBegin();
+ for (;I.end() != true; I++)
+ {
+ // We search against the install version as that makes the most sense..
+ pkgCache::VerIterator V = GetCandidateVer(I);
+ if (V.end() == true)
+ continue;
+
+ pkgRecords::Parser &P = Recs.Lookup(V.FileList());
+
+ if (regexec(&Pattern,I.Name(),0,0,0) == 0 ||
+ (NamesOnly == false &&
+ regexec(&Pattern,P.LongDesc().c_str(),0,0,0) == 0))
+ {
+ if (ShowFull == true)
+ DisplayRecord(V);
+ else
+ cout << I.Name() << " - " << P.ShortDesc() << endl;
+ }
+ }
+
+ regfree(&Pattern);
+ return true;
+}
+ /*}}}*/
+// ShowPackage - Dump the package record to the screen /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool ShowPackage(CommandLine &CmdL)
+{
+ pkgCache &Cache = *GCache;
+ for (const char **I = CmdL.FileList + 1; *I != 0; I++)
+ {
+ pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
+ if (Pkg.end() == true)
+ {
+ _error->Warning("Unable to locate package %s",*I);
+ continue;
+ }
+
+ // Find the proper version to use. We should probably use the DepCache.
+ pkgCache::VerIterator V = GetCandidateVer(Pkg);
+ if (V.end() == true || V.FileList().end() == true)
+ continue;
+ if (DisplayRecord(V) == false)
+ return false;
+ }
return true;
}
/*}}}*/
// GenCaches - Call the main cache generator /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool GenCaches()
+bool GenCaches(CommandLine &Cmd)
{
OpTextProgress Progress(*_config);
// ShowHelp - Show a help screen /*{{{*/
// ---------------------------------------------------------------------
/* */
-int ShowHelp()
+bool ShowHelp(CommandLine &Cmd)
{
cout << PACKAGE << ' ' << VERSION << " for " << ARCHITECTURE <<
" compiled on " << __DATE__ << " " << __TIME__ << endl;
+ if (_config->FindB("version") == true)
+ return 100;
cout << "Usage: apt-cache [options] command" << endl;
cout << " apt-cache [options] add file1 [file1 ...]" << endl;
cout << " dumpavail - Print an available file to stdout" << endl;
cout << " unmet - Show unmet dependencies" << endl;
cout << " check - Check the cache a bit" << endl;
+ cout << " search - Search the package list for a regex pattern" << endl;
+ cout << " show - Show a readable record for the package" << endl;
cout << endl;
cout << "Options:" << endl;
cout << " -h This help text." << endl;
cout << " -i Show only important deps for the unmet command." << 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-cache(8) and apt.conf(8) manual pages for more information." << endl;
+ cout << "See the apt-cache(8) and apt.conf(5) manual pages for more information." << endl;
return 100;
}
/*}}}*/
{
CommandLine::Args Args[] = {
{'h',"help","help",0},
+ {'v',"version","version",0},
{'p',"pkg-cache","Dir::Cache::pkgcache",CommandLine::HasArg},
{'s',"src-cache","Dir::Cache::srcpkgcache",CommandLine::HasArg},
{'q',"quiet","quiet",CommandLine::IntLevel},
{'i',"important","APT::Cache::Important",0},
+ {'f',"full","APT::Cache::ShowFull",0},
+ {0,"names-only","APT::Cache::NamesOnly",0},
{'c',"config-file",0,CommandLine::ConfigFile},
{'o',"option",0,CommandLine::ArbItem},
{0,0,0,0}};
+ CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp},
+ {"add",&DoAdd},
+ {"gencaches",&GenCaches},
+ {0,0}};
+ CommandLine::Dispatch CmdsB[] = {{"showpkg",&DumpPackage},
+ {"stats",&Stats},
+ {"dump",&Dump},
+ {"dumpavail",&DumpAvail},
+ {"unmet",&UnMet},
+ {"check",&Check},
+ {"search",&Search},
+ {"show",&ShowPackage},
+ {0,0}};
CacheInitialize();
// See if the help should be shown
if (_config->FindB("help") == true ||
CmdL.FileSize() == 0)
- return ShowHelp();
-
- while (1)
- {
- if (strcmp(CmdL.FileList[0],"add") == 0)
- {
- ShowHelp();
- break;
- }
-
- if (strcmp(CmdL.FileList[0],"add") == 0)
- {
- DoAdd(CmdL);
- break;
- }
-
- if (strcmp(CmdL.FileList[0],"gencaches") == 0)
- {
- GenCaches();
- break;
- }
+ return ShowHelp(CmdL);
+ if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false)
+ {
// Open the cache file
FileFd CacheF(_config->FindFile("Dir::Cache::pkgcache"),FileFd::ReadOnly);
- if (_error->PendingError() == true)
- break;
-
MMap Map(CacheF,MMap::Public | MMap::ReadOnly);
- if (_error->PendingError() == true)
- break;
-
- pkgCache Cache(Map);
- if (_error->PendingError() == true)
- break;
-
- if (strcmp(CmdL.FileList[0],"showpkg") == 0)
- {
- DumpPackage(Cache,CmdL);
- break;
- }
-
- if (strcmp(CmdL.FileList[0],"stats") == 0)
- {
- Stats(Cache);
- break;
- }
-
- if (strcmp(CmdL.FileList[0],"dump") == 0)
- {
- Dump(Cache);
- break;
- }
-
- if (strcmp(CmdL.FileList[0],"dumpavail") == 0)
- {
- DumpAvail(Cache);
- break;
- }
-
- if (strcmp(CmdL.FileList[0],"unmet") == 0)
+ if (_error->PendingError() == false)
{
- UnMet(Cache);
- break;
- }
-
- if (strcmp(CmdL.FileList[0],"check") == 0)
- {
- Check(Cache);
- break;
- }
-
- _error->Error("Invalid operation %s", CmdL.FileList[0]);
- break;
+ pkgCache Cache(Map);
+ GCache = &Cache;
+ if (_error->PendingError() == false)
+ CmdL.DispatchArg(CmdsB);
+ }
}
// Print any errors or warnings found during parsing
projects / apt.git / blobdiff