]> git.saurik.com Git - apt.git/blob - cmdline/apt-cache.cc
eliminate (hopefully all) segfaults in pkgcachegen.cc and mmap.cc
[apt.git] / cmdline / apt-cache.cc
1 // -*- mode: cpp; mode: fold -*-
2 // Description /*{{{*/
3 // $Id: apt-cache.cc,v 1.72 2004/04/30 04:34:03 mdz Exp $
4 /* ######################################################################
5
6 apt-cache - Manages the cache files
7
8 apt-cache provides some functions fo manipulating the cache files.
9 It uses the command line interface common to all the APT tools.
10
11 Returns 100 on failure, 0 on success.
12
13 ##################################################################### */
14 /*}}}*/
15 // Include Files /*{{{*/
16 #include <apt-pkg/error.h>
17 #include <apt-pkg/pkgcachegen.h>
18 #include <apt-pkg/init.h>
19 #include <apt-pkg/progress.h>
20 #include <apt-pkg/sourcelist.h>
21 #include <apt-pkg/cmndline.h>
22 #include <apt-pkg/strutl.h>
23 #include <apt-pkg/pkgrecords.h>
24 #include <apt-pkg/srcrecords.h>
25 #include <apt-pkg/version.h>
26 #include <apt-pkg/policy.h>
27 #include <apt-pkg/tagfile.h>
28 #include <apt-pkg/algorithms.h>
29 #include <apt-pkg/sptr.h>
30
31 #include <config.h>
32 #include <apti18n.h>
33
34 #include <locale.h>
35 #include <iostream>
36 #include <unistd.h>
37 #include <errno.h>
38 #include <regex.h>
39 #include <stdio.h>
40
41 #include <iomanip>
42 /*}}}*/
43
44 using namespace std;
45
46 pkgCache *GCache = 0;
47 pkgSourceList *SrcList = 0;
48
49 // LocalitySort - Sort a version list by package file locality /*{{{*/
50 // ---------------------------------------------------------------------
51 /* */
52 int LocalityCompare(const void *a, const void *b)
53 {
54 pkgCache::VerFile *A = *(pkgCache::VerFile **)a;
55 pkgCache::VerFile *B = *(pkgCache::VerFile **)b;
56
57 if (A == 0 && B == 0)
58 return 0;
59 if (A == 0)
60 return 1;
61 if (B == 0)
62 return -1;
63
64 if (A->File == B->File)
65 return A->Offset - B->Offset;
66 return A->File - B->File;
67 }
68
69 void LocalitySort(pkgCache::VerFile **begin,
70 unsigned long Count,size_t Size)
71 {
72 qsort(begin,Count,Size,LocalityCompare);
73 }
74
75 void LocalitySort(pkgCache::DescFile **begin,
76 unsigned long Count,size_t Size)
77 {
78 qsort(begin,Count,Size,LocalityCompare);
79 }
80 /*}}}*/
81 // UnMet - Show unmet dependencies /*{{{*/
82 // ---------------------------------------------------------------------
83 /* */
84 bool UnMet(CommandLine &CmdL)
85 {
86 pkgCache &Cache = *GCache;
87 bool Important = _config->FindB("APT::Cache::Important",false);
88
89 for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
90 {
91 for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++)
92 {
93 bool Header = false;
94 for (pkgCache::DepIterator D = V.DependsList(); D.end() == false;)
95 {
96 // Collect or groups
97 pkgCache::DepIterator Start;
98 pkgCache::DepIterator End;
99 D.GlobOr(Start,End);
100
101 // Skip conflicts and replaces
102 if (End->Type != pkgCache::Dep::PreDepends &&
103 End->Type != pkgCache::Dep::Depends &&
104 End->Type != pkgCache::Dep::Suggests &&
105 End->Type != pkgCache::Dep::Recommends &&
106 End->Type != pkgCache::Dep::DpkgBreaks)
107 continue;
108
109 // Important deps only
110 if (Important == true)
111 if (End->Type != pkgCache::Dep::PreDepends &&
112 End->Type != pkgCache::Dep::Depends &&
113 End->Type != pkgCache::Dep::DpkgBreaks)
114 continue;
115
116 // Verify the or group
117 bool OK = false;
118 pkgCache::DepIterator RealStart = Start;
119 do
120 {
121 // See if this dep is Ok
122 pkgCache::Version **VList = Start.AllTargets();
123 if (*VList != 0)
124 {
125 OK = true;
126 delete [] VList;
127 break;
128 }
129 delete [] VList;
130
131 if (Start == End)
132 break;
133 Start++;
134 }
135 while (1);
136
137 // The group is OK
138 if (OK == true)
139 continue;
140
141 // Oops, it failed..
142 if (Header == false)
143 ioprintf(cout,_("Package %s version %s has an unmet dep:\n"),
144 P.Name(),V.VerStr());
145 Header = true;
146
147 // Print out the dep type
148 cout << " " << End.DepType() << ": ";
149
150 // Show the group
151 Start = RealStart;
152 do
153 {
154 cout << Start.TargetPkg().Name();
155 if (Start.TargetVer() != 0)
156 cout << " (" << Start.CompType() << " " << Start.TargetVer() <<
157 ")";
158 if (Start == End)
159 break;
160 cout << " | ";
161 Start++;
162 }
163 while (1);
164
165 cout << endl;
166 }
167 }
168 }
169 return true;
170 }
171 /*}}}*/
172 // DumpPackage - Show a dump of a package record /*{{{*/
173 // ---------------------------------------------------------------------
174 /* */
175 bool DumpPackage(CommandLine &CmdL)
176 {
177 pkgCache &Cache = *GCache;
178 for (const char **I = CmdL.FileList + 1; *I != 0; I++)
179 {
180 pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
181 if (Pkg.end() == true)
182 {
183 _error->Warning(_("Unable to locate package %s"),*I);
184 continue;
185 }
186
187 cout << "Package: " << Pkg.Name() << endl;
188 cout << "Versions: " << endl;
189 for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++)
190 {
191 cout << Cur.VerStr();
192 for (pkgCache::VerFileIterator Vf = Cur.FileList(); Vf.end() == false; Vf++)
193 cout << " (" << Vf.File().FileName() << ")";
194 cout << endl;
195 for (pkgCache::DescIterator D = Cur.DescriptionList(); D.end() == false; D++)
196 {
197 cout << " Description Language: " << D.LanguageCode() << endl
198 << " File: " << D.FileList().File().FileName() << endl
199 << " MD5: " << D.md5() << endl;
200 }
201 cout << endl;
202 }
203
204 cout << endl;
205
206 cout << "Reverse Depends: " << endl;
207 for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() != true; D++)
208 {
209 cout << " " << D.ParentPkg().Name() << ',' << D.TargetPkg().Name();
210 if (D->Version != 0)
211 cout << ' ' << DeNull(D.TargetVer()) << endl;
212 else
213 cout << endl;
214 }
215
216 cout << "Dependencies: " << endl;
217 for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++)
218 {
219 cout << Cur.VerStr() << " - ";
220 for (pkgCache::DepIterator Dep = Cur.DependsList(); Dep.end() != true; Dep++)
221 cout << Dep.TargetPkg().Name() << " (" << (int)Dep->CompareOp << " " << DeNull(Dep.TargetVer()) << ") ";
222 cout << endl;
223 }
224
225 cout << "Provides: " << endl;
226 for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++)
227 {
228 cout << Cur.VerStr() << " - ";
229 for (pkgCache::PrvIterator Prv = Cur.ProvidesList(); Prv.end() != true; Prv++)
230 cout << Prv.ParentPkg().Name() << " ";
231 cout << endl;
232 }
233 cout << "Reverse Provides: " << endl;
234 for (pkgCache::PrvIterator Prv = Pkg.ProvidesList(); Prv.end() != true; Prv++)
235 cout << Prv.OwnerPkg().Name() << " " << Prv.OwnerVer().VerStr() << endl;
236 }
237
238 return true;
239 }
240 /*}}}*/
241 // Stats - Dump some nice statistics /*{{{*/
242 // ---------------------------------------------------------------------
243 /* */
244 bool Stats(CommandLine &Cmd)
245 {
246 pkgCache &Cache = *GCache;
247 cout << _("Total package names: ") << Cache.Head().PackageCount << " (" <<
248 SizeToStr(Cache.Head().PackageCount*Cache.Head().PackageSz) << ')' << endl;
249
250 int Normal = 0;
251 int Virtual = 0;
252 int NVirt = 0;
253 int DVirt = 0;
254 int Missing = 0;
255 pkgCache::PkgIterator I = Cache.PkgBegin();
256 for (;I.end() != true; I++)
257 {
258 if (I->VersionList != 0 && I->ProvidesList == 0)
259 {
260 Normal++;
261 continue;
262 }
263
264 if (I->VersionList != 0 && I->ProvidesList != 0)
265 {
266 NVirt++;
267 continue;
268 }
269
270 if (I->VersionList == 0 && I->ProvidesList != 0)
271 {
272 // Only 1 provides
273 if (I.ProvidesList()->NextProvides == 0)
274 {
275 DVirt++;
276 }
277 else
278 Virtual++;
279 continue;
280 }
281 if (I->VersionList == 0 && I->ProvidesList == 0)
282 {
283 Missing++;
284 continue;
285 }
286 }
287 cout << _(" Normal packages: ") << Normal << endl;
288 cout << _(" Pure virtual packages: ") << Virtual << endl;
289 cout << _(" Single virtual packages: ") << DVirt << endl;
290 cout << _(" Mixed virtual packages: ") << NVirt << endl;
291 cout << _(" Missing: ") << Missing << endl;
292
293 cout << _("Total distinct versions: ") << Cache.Head().VersionCount << " (" <<
294 SizeToStr(Cache.Head().VersionCount*Cache.Head().VersionSz) << ')' << endl;
295 cout << _("Total distinct descriptions: ") << Cache.Head().DescriptionCount << " (" <<
296 SizeToStr(Cache.Head().DescriptionCount*Cache.Head().DescriptionSz) << ')' << endl;
297 cout << _("Total dependencies: ") << Cache.Head().DependsCount << " (" <<
298 SizeToStr(Cache.Head().DependsCount*Cache.Head().DependencySz) << ')' << endl;
299
300 cout << _("Total ver/file relations: ") << Cache.Head().VerFileCount << " (" <<
301 SizeToStr(Cache.Head().VerFileCount*Cache.Head().VerFileSz) << ')' << endl;
302 cout << _("Total Desc/File relations: ") << Cache.Head().DescFileCount << " (" <<
303 SizeToStr(Cache.Head().DescFileCount*Cache.Head().DescFileSz) << ')' << endl;
304 cout << _("Total Provides mappings: ") << Cache.Head().ProvidesCount << " (" <<
305 SizeToStr(Cache.Head().ProvidesCount*Cache.Head().ProvidesSz) << ')' << endl;
306
307 // String list stats
308 unsigned long Size = 0;
309 unsigned long Count = 0;
310 for (pkgCache::StringItem *I = Cache.StringItemP + Cache.Head().StringList;
311 I!= Cache.StringItemP; I = Cache.StringItemP + I->NextItem)
312 {
313 Count++;
314 Size += strlen(Cache.StrP + I->String) + 1;
315 }
316 cout << _("Total globbed strings: ") << Count << " (" << SizeToStr(Size) << ')' << endl;
317
318 unsigned long DepVerSize = 0;
319 for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
320 {
321 for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++)
322 {
323 for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++)
324 {
325 if (D->Version != 0)
326 DepVerSize += strlen(D.TargetVer()) + 1;
327 }
328 }
329 }
330 cout << _("Total dependency version space: ") << SizeToStr(DepVerSize) << endl;
331
332 unsigned long Slack = 0;
333 for (int I = 0; I != 7; I++)
334 Slack += Cache.Head().Pools[I].ItemSize*Cache.Head().Pools[I].Count;
335 cout << _("Total slack space: ") << SizeToStr(Slack) << endl;
336
337 unsigned long Total = 0;
338 Total = Slack + Size + Cache.Head().DependsCount*Cache.Head().DependencySz +
339 Cache.Head().VersionCount*Cache.Head().VersionSz +
340 Cache.Head().PackageCount*Cache.Head().PackageSz +
341 Cache.Head().VerFileCount*Cache.Head().VerFileSz +
342 Cache.Head().ProvidesCount*Cache.Head().ProvidesSz;
343 cout << _("Total space accounted for: ") << SizeToStr(Total) << endl;
344
345 return true;
346 }
347 /*}}}*/
348 // Dump - show everything /*{{{*/
349 // ---------------------------------------------------------------------
350 /* This is worthless except fer debugging things */
351 bool Dump(CommandLine &Cmd)
352 {
353 pkgCache &Cache = *GCache;
354 cout << "Using Versioning System: " << Cache.VS->Label << endl;
355
356 for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
357 {
358 cout << "Package: " << P.Name() << endl;
359 for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++)
360 {
361 cout << " Version: " << V.VerStr() << endl;
362 cout << " File: " << V.FileList().File().FileName() << endl;
363 for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++)
364 cout << " Depends: " << D.TargetPkg().Name() << ' ' <<
365 DeNull(D.TargetVer()) << endl;
366 for (pkgCache::DescIterator D = V.DescriptionList(); D.end() == false; D++)
367 {
368 cout << " Description Language: " << D.LanguageCode() << endl
369 << " File: " << D.FileList().File().FileName() << endl
370 << " MD5: " << D.md5() << endl;
371 }
372 }
373 }
374
375 for (pkgCache::PkgFileIterator F = Cache.FileBegin(); F.end() == false; F++)
376 {
377 cout << "File: " << F.FileName() << endl;
378 cout << " Type: " << F.IndexType() << endl;
379 cout << " Size: " << F->Size << endl;
380 cout << " ID: " << F->ID << endl;
381 cout << " Flags: " << F->Flags << endl;
382 cout << " Time: " << TimeRFC1123(F->mtime) << endl;
383 cout << " Archive: " << DeNull(F.Archive()) << endl;
384 cout << " Component: " << DeNull(F.Component()) << endl;
385 cout << " Version: " << DeNull(F.Version()) << endl;
386 cout << " Origin: " << DeNull(F.Origin()) << endl;
387 cout << " Site: " << DeNull(F.Site()) << endl;
388 cout << " Label: " << DeNull(F.Label()) << endl;
389 cout << " Architecture: " << DeNull(F.Architecture()) << endl;
390 }
391
392 return true;
393 }
394 /*}}}*/
395 // DumpAvail - Print out the available list /*{{{*/
396 // ---------------------------------------------------------------------
397 /* This is needed to make dpkg --merge happy.. I spent a bit of time to
398 make this run really fast, perhaps I went a little overboard.. */
399 bool DumpAvail(CommandLine &Cmd)
400 {
401 pkgCache &Cache = *GCache;
402
403 pkgPolicy Plcy(&Cache);
404 if (ReadPinFile(Plcy) == false || ReadPinDir(Plcy) == false)
405 return false;
406
407 unsigned long Count = Cache.HeaderP->PackageCount+1;
408 pkgCache::VerFile **VFList = new pkgCache::VerFile *[Count];
409 memset(VFList,0,sizeof(*VFList)*Count);
410
411 // Map versions that we want to write out onto the VerList array.
412 for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
413 {
414 if (P->VersionList == 0)
415 continue;
416
417 /* Find the proper version to use. If the policy says there are no
418 possible selections we return the installed version, if available..
419 This prevents dselect from making it obsolete. */
420 pkgCache::VerIterator V = Plcy.GetCandidateVer(P);
421 if (V.end() == true)
422 {
423 if (P->CurrentVer == 0)
424 continue;
425 V = P.CurrentVer();
426 }
427
428 pkgCache::VerFileIterator VF = V.FileList();
429 for (; VF.end() == false ; VF++)
430 if ((VF.File()->Flags & pkgCache::Flag::NotSource) == 0)
431 break;
432
433 /* Okay, here we have a bit of a problem.. The policy has selected the
434 currently installed package - however it only exists in the
435 status file.. We need to write out something or dselect will mark
436 the package as obsolete! Thus we emit the status file entry, but
437 below we remove the status line to make it valid for the
438 available file. However! We only do this if their do exist *any*
439 non-source versions of the package - that way the dselect obsolete
440 handling works OK. */
441 if (VF.end() == true)
442 {
443 for (pkgCache::VerIterator Cur = P.VersionList(); Cur.end() != true; Cur++)
444 {
445 for (VF = Cur.FileList(); VF.end() == false; VF++)
446 {
447 if ((VF.File()->Flags & pkgCache::Flag::NotSource) == 0)
448 {
449 VF = V.FileList();
450 break;
451 }
452 }
453
454 if (VF.end() == false)
455 break;
456 }
457 }
458
459 VFList[P->ID] = VF;
460 }
461
462 LocalitySort(VFList,Count,sizeof(*VFList));
463
464 // Iterate over all the package files and write them out.
465 char *Buffer = new char[Cache.HeaderP->MaxVerFileSize+10];
466 for (pkgCache::VerFile **J = VFList; *J != 0;)
467 {
468 pkgCache::PkgFileIterator File(Cache,(*J)->File + Cache.PkgFileP);
469 if (File.IsOk() == false)
470 {
471 _error->Error(_("Package file %s is out of sync."),File.FileName());
472 break;
473 }
474
475 FileFd PkgF(File.FileName(),FileFd::ReadOnly);
476 if (_error->PendingError() == true)
477 break;
478
479 /* Write all of the records from this package file, since we
480 already did locality sorting we can now just seek through the
481 file in read order. We apply 1 more optimization here, since often
482 there will be < 1 byte gaps between records (for the \n) we read that
483 into the next buffer and offset a bit.. */
484 unsigned long Pos = 0;
485 for (; *J != 0; J++)
486 {
487 if ((*J)->File + Cache.PkgFileP != File)
488 break;
489
490 const pkgCache::VerFile &VF = **J;
491
492 // Read the record and then write it out again.
493 unsigned long Jitter = VF.Offset - Pos;
494 if (Jitter > 8)
495 {
496 if (PkgF.Seek(VF.Offset) == false)
497 break;
498 Jitter = 0;
499 }
500
501 if (PkgF.Read(Buffer,VF.Size + Jitter) == false)
502 break;
503 Buffer[VF.Size + Jitter] = '\n';
504
505 // See above..
506 if ((File->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource)
507 {
508 pkgTagSection Tags;
509 TFRewriteData RW[] = {{"Status",0},{"Config-Version",0},{}};
510 const char *Zero = 0;
511 if (Tags.Scan(Buffer+Jitter,VF.Size+1) == false ||
512 TFRewrite(stdout,Tags,&Zero,RW) == false)
513 {
514 _error->Error("Internal Error, Unable to parse a package record");
515 break;
516 }
517 fputc('\n',stdout);
518 }
519 else
520 {
521 if (fwrite(Buffer+Jitter,VF.Size+1,1,stdout) != 1)
522 break;
523 }
524
525 Pos = VF.Offset + VF.Size;
526 }
527
528 fflush(stdout);
529 if (_error->PendingError() == true)
530 break;
531 }
532
533 delete [] Buffer;
534 delete [] VFList;
535 return !_error->PendingError();
536 }
537 /*}}}*/
538 // Depends - Print out a dependency tree /*{{{*/
539 // ---------------------------------------------------------------------
540 /* */
541 bool Depends(CommandLine &CmdL)
542 {
543 pkgCache &Cache = *GCache;
544 SPtrArray<unsigned> Colours = new unsigned[Cache.Head().PackageCount];
545 memset(Colours,0,sizeof(*Colours)*Cache.Head().PackageCount);
546
547 for (const char **I = CmdL.FileList + 1; *I != 0; I++)
548 {
549 pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
550 if (Pkg.end() == true)
551 {
552 _error->Warning(_("Unable to locate package %s"),*I);
553 continue;
554 }
555 Colours[Pkg->ID] = 1;
556 }
557
558 bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false);
559 bool Installed = _config->FindB("APT::Cache::Installed",false);
560 bool DidSomething;
561 do
562 {
563 DidSomething = false;
564 for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
565 {
566 if (Colours[Pkg->ID] != 1)
567 continue;
568 Colours[Pkg->ID] = 2;
569 DidSomething = true;
570
571 pkgCache::VerIterator Ver = Pkg.VersionList();
572 if (Ver.end() == true)
573 {
574 cout << '<' << Pkg.Name() << '>' << endl;
575 continue;
576 }
577
578 cout << Pkg.Name() << endl;
579
580 for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
581 {
582
583 pkgCache::PkgIterator Trg = D.TargetPkg();
584
585 if((Installed && Trg->CurrentVer != 0) || !Installed)
586 {
587
588 if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)
589 cout << " |";
590 else
591 cout << " ";
592
593 // Show the package
594 if (Trg->VersionList == 0)
595 cout << D.DepType() << ": <" << Trg.Name() << ">" << endl;
596 else
597 cout << D.DepType() << ": " << Trg.Name() << endl;
598
599 if (Recurse == true)
600 Colours[D.TargetPkg()->ID]++;
601
602 }
603
604 // Display all solutions
605 SPtrArray<pkgCache::Version *> List = D.AllTargets();
606 pkgPrioSortList(Cache,List);
607 for (pkgCache::Version **I = List; *I != 0; I++)
608 {
609 pkgCache::VerIterator V(Cache,*I);
610 if (V != Cache.VerP + V.ParentPkg()->VersionList ||
611 V->ParentPkg == D->Package)
612 continue;
613 cout << " " << V.ParentPkg().Name() << endl;
614
615 if (Recurse == true)
616 Colours[D.ParentPkg()->ID]++;
617 }
618 }
619 }
620 }
621 while (DidSomething == true);
622
623 return true;
624 }
625 /*}}}*/
626 // RDepends - Print out a reverse dependency tree - mbc /*{{{*/
627 // ---------------------------------------------------------------------
628 /* */
629 bool RDepends(CommandLine &CmdL)
630 {
631 pkgCache &Cache = *GCache;
632 SPtrArray<unsigned> Colours = new unsigned[Cache.Head().PackageCount];
633 memset(Colours,0,sizeof(*Colours)*Cache.Head().PackageCount);
634
635 for (const char **I = CmdL.FileList + 1; *I != 0; I++)
636 {
637 pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
638 if (Pkg.end() == true)
639 {
640 _error->Warning(_("Unable to locate package %s"),*I);
641 continue;
642 }
643 Colours[Pkg->ID] = 1;
644 }
645
646 bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false);
647 bool Installed = _config->FindB("APT::Cache::Installed",false);
648 bool DidSomething;
649 do
650 {
651 DidSomething = false;
652 for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
653 {
654 if (Colours[Pkg->ID] != 1)
655 continue;
656 Colours[Pkg->ID] = 2;
657 DidSomething = true;
658
659 pkgCache::VerIterator Ver = Pkg.VersionList();
660 if (Ver.end() == true)
661 {
662 cout << '<' << Pkg.Name() << '>' << endl;
663 continue;
664 }
665
666 cout << Pkg.Name() << endl;
667
668 cout << "Reverse Depends:" << endl;
669 for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() == false; D++)
670 {
671 // Show the package
672 pkgCache::PkgIterator Trg = D.ParentPkg();
673
674 if((Installed && Trg->CurrentVer != 0) || !Installed)
675 {
676
677 if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or)
678 cout << " |";
679 else
680 cout << " ";
681
682 if (Trg->VersionList == 0)
683 cout << D.DepType() << ": <" << Trg.Name() << ">" << endl;
684 else
685 cout << Trg.Name() << endl;
686
687 if (Recurse == true)
688 Colours[D.ParentPkg()->ID]++;
689
690 }
691
692 // Display all solutions
693 SPtrArray<pkgCache::Version *> List = D.AllTargets();
694 pkgPrioSortList(Cache,List);
695 for (pkgCache::Version **I = List; *I != 0; I++)
696 {
697 pkgCache::VerIterator V(Cache,*I);
698 if (V != Cache.VerP + V.ParentPkg()->VersionList ||
699 V->ParentPkg == D->Package)
700 continue;
701 cout << " " << V.ParentPkg().Name() << endl;
702
703 if (Recurse == true)
704 Colours[D.ParentPkg()->ID]++;
705 }
706 }
707 }
708 }
709 while (DidSomething == true);
710
711 return true;
712 }
713 /*}}}*/
714 // xvcg - Generate a graph for xvcg /*{{{*/
715 // ---------------------------------------------------------------------
716 // Code contributed from Junichi Uekawa <dancer@debian.org> on 20 June 2002.
717
718 bool XVcg(CommandLine &CmdL)
719 {
720 pkgCache &Cache = *GCache;
721 bool GivenOnly = _config->FindB("APT::Cache::GivenOnly",false);
722
723 /* Normal packages are boxes
724 Pure Provides are triangles
725 Mixed are diamonds
726 rhomb are missing packages*/
727 const char *Shapes[] = {"ellipse","triangle","box","rhomb"};
728
729 /* Initialize the list of packages to show.
730 1 = To Show
731 2 = To Show no recurse
732 3 = Emitted no recurse
733 4 = Emitted
734 0 = None */
735 enum States {None=0, ToShow, ToShowNR, DoneNR, Done};
736 enum TheFlags {ForceNR=(1<<0)};
737 unsigned char *Show = new unsigned char[Cache.Head().PackageCount];
738 unsigned char *Flags = new unsigned char[Cache.Head().PackageCount];
739 unsigned char *ShapeMap = new unsigned char[Cache.Head().PackageCount];
740
741 // Show everything if no arguments given
742 if (CmdL.FileList[1] == 0)
743 for (unsigned long I = 0; I != Cache.Head().PackageCount; I++)
744 Show[I] = ToShow;
745 else
746 for (unsigned long I = 0; I != Cache.Head().PackageCount; I++)
747 Show[I] = None;
748 memset(Flags,0,sizeof(*Flags)*Cache.Head().PackageCount);
749
750 // Map the shapes
751 for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
752 {
753 if (Pkg->VersionList == 0)
754 {
755 // Missing
756 if (Pkg->ProvidesList == 0)
757 ShapeMap[Pkg->ID] = 0;
758 else
759 ShapeMap[Pkg->ID] = 1;
760 }
761 else
762 {
763 // Normal
764 if (Pkg->ProvidesList == 0)
765 ShapeMap[Pkg->ID] = 2;
766 else
767 ShapeMap[Pkg->ID] = 3;
768 }
769 }
770
771 // Load the list of packages from the command line into the show list
772 for (const char **I = CmdL.FileList + 1; *I != 0; I++)
773 {
774 // Process per-package flags
775 string P = *I;
776 bool Force = false;
777 if (P.length() > 3)
778 {
779 if (P.end()[-1] == '^')
780 {
781 Force = true;
782 P.erase(P.end()-1);
783 }
784
785 if (P.end()[-1] == ',')
786 P.erase(P.end()-1);
787 }
788
789 // Locate the package
790 pkgCache::PkgIterator Pkg = Cache.FindPkg(P);
791 if (Pkg.end() == true)
792 {
793 _error->Warning(_("Unable to locate package %s"),*I);
794 continue;
795 }
796 Show[Pkg->ID] = ToShow;
797
798 if (Force == true)
799 Flags[Pkg->ID] |= ForceNR;
800 }
801
802 // Little header
803 cout << "graph: { title: \"packages\"" << endl <<
804 "xmax: 700 ymax: 700 x: 30 y: 30" << endl <<
805 "layout_downfactor: 8" << endl;
806
807 bool Act = true;
808 while (Act == true)
809 {
810 Act = false;
811 for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
812 {
813 // See we need to show this package
814 if (Show[Pkg->ID] == None || Show[Pkg->ID] >= DoneNR)
815 continue;
816
817 //printf ("node: { title: \"%s\" label: \"%s\" }\n", Pkg.Name(), Pkg.Name());
818
819 // Colour as done
820 if (Show[Pkg->ID] == ToShowNR || (Flags[Pkg->ID] & ForceNR) == ForceNR)
821 {
822 // Pure Provides and missing packages have no deps!
823 if (ShapeMap[Pkg->ID] == 0 || ShapeMap[Pkg->ID] == 1)
824 Show[Pkg->ID] = Done;
825 else
826 Show[Pkg->ID] = DoneNR;
827 }
828 else
829 Show[Pkg->ID] = Done;
830 Act = true;
831
832 // No deps to map out
833 if (Pkg->VersionList == 0 || Show[Pkg->ID] == DoneNR)
834 continue;
835
836 pkgCache::VerIterator Ver = Pkg.VersionList();
837 for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
838 {
839 // See if anything can meet this dep
840 // Walk along the actual package providing versions
841 bool Hit = false;
842 pkgCache::PkgIterator DPkg = D.TargetPkg();
843 for (pkgCache::VerIterator I = DPkg.VersionList();
844 I.end() == false && Hit == false; I++)
845 {
846 if (Cache.VS->CheckDep(I.VerStr(),D->CompareOp,D.TargetVer()) == true)
847 Hit = true;
848 }
849
850 // Follow all provides
851 for (pkgCache::PrvIterator I = DPkg.ProvidesList();
852 I.end() == false && Hit == false; I++)
853 {
854 if (Cache.VS->CheckDep(I.ProvideVersion(),D->CompareOp,D.TargetVer()) == false)
855 Hit = true;
856 }
857
858
859 // Only graph critical deps
860 if (D.IsCritical() == true)
861 {
862 printf ("edge: { sourcename: \"%s\" targetname: \"%s\" class: 2 ",Pkg.Name(), D.TargetPkg().Name() );
863
864 // Colour the node for recursion
865 if (Show[D.TargetPkg()->ID] <= DoneNR)
866 {
867 /* If a conflicts does not meet anything in the database
868 then show the relation but do not recurse */
869 if (Hit == false &&
870 (D->Type == pkgCache::Dep::Conflicts ||
871 D->Type == pkgCache::Dep::DpkgBreaks ||
872 D->Type == pkgCache::Dep::Obsoletes))
873 {
874 if (Show[D.TargetPkg()->ID] == None &&
875 Show[D.TargetPkg()->ID] != ToShow)
876 Show[D.TargetPkg()->ID] = ToShowNR;
877 }
878 else
879 {
880 if (GivenOnly == true && Show[D.TargetPkg()->ID] != ToShow)
881 Show[D.TargetPkg()->ID] = ToShowNR;
882 else
883 Show[D.TargetPkg()->ID] = ToShow;
884 }
885 }
886
887 // Edge colour
888 switch(D->Type)
889 {
890 case pkgCache::Dep::Conflicts:
891 printf("label: \"conflicts\" color: lightgreen }\n");
892 break;
893 case pkgCache::Dep::DpkgBreaks:
894 printf("label: \"breaks\" color: lightgreen }\n");
895 break;
896 case pkgCache::Dep::Obsoletes:
897 printf("label: \"obsoletes\" color: lightgreen }\n");
898 break;
899
900 case pkgCache::Dep::PreDepends:
901 printf("label: \"predepends\" color: blue }\n");
902 break;
903
904 default:
905 printf("}\n");
906 break;
907 }
908 }
909 }
910 }
911 }
912
913 /* Draw the box colours after the fact since we can not tell what colour
914 they should be until everything is finished drawing */
915 for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
916 {
917 if (Show[Pkg->ID] < DoneNR)
918 continue;
919
920 if (Show[Pkg->ID] == DoneNR)
921 printf("node: { title: \"%s\" label: \"%s\" color: orange shape: %s }\n", Pkg.Name(), Pkg.Name(),
922 Shapes[ShapeMap[Pkg->ID]]);
923 else
924 printf("node: { title: \"%s\" label: \"%s\" shape: %s }\n", Pkg.Name(), Pkg.Name(),
925 Shapes[ShapeMap[Pkg->ID]]);
926
927 }
928
929 printf("}\n");
930 return true;
931 }
932 /*}}}*/
933 // Dotty - Generate a graph for Dotty /*{{{*/
934 // ---------------------------------------------------------------------
935 /* Dotty is the graphvis program for generating graphs. It is a fairly
936 simple queuing algorithm that just writes dependencies and nodes.
937 http://www.research.att.com/sw/tools/graphviz/ */
938 bool Dotty(CommandLine &CmdL)
939 {
940 pkgCache &Cache = *GCache;
941 bool GivenOnly = _config->FindB("APT::Cache::GivenOnly",false);
942
943 /* Normal packages are boxes
944 Pure Provides are triangles
945 Mixed are diamonds
946 Hexagons are missing packages*/
947 const char *Shapes[] = {"hexagon","triangle","box","diamond"};
948
949 /* Initialize the list of packages to show.
950 1 = To Show
951 2 = To Show no recurse
952 3 = Emitted no recurse
953 4 = Emitted
954 0 = None */
955 enum States {None=0, ToShow, ToShowNR, DoneNR, Done};
956 enum TheFlags {ForceNR=(1<<0)};
957 unsigned char *Show = new unsigned char[Cache.Head().PackageCount];
958 unsigned char *Flags = new unsigned char[Cache.Head().PackageCount];
959 unsigned char *ShapeMap = new unsigned char[Cache.Head().PackageCount];
960
961 // Show everything if no arguments given
962 if (CmdL.FileList[1] == 0)
963 for (unsigned long I = 0; I != Cache.Head().PackageCount; I++)
964 Show[I] = ToShow;
965 else
966 for (unsigned long I = 0; I != Cache.Head().PackageCount; I++)
967 Show[I] = None;
968 memset(Flags,0,sizeof(*Flags)*Cache.Head().PackageCount);
969
970 // Map the shapes
971 for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
972 {
973 if (Pkg->VersionList == 0)
974 {
975 // Missing
976 if (Pkg->ProvidesList == 0)
977 ShapeMap[Pkg->ID] = 0;
978 else
979 ShapeMap[Pkg->ID] = 1;
980 }
981 else
982 {
983 // Normal
984 if (Pkg->ProvidesList == 0)
985 ShapeMap[Pkg->ID] = 2;
986 else
987 ShapeMap[Pkg->ID] = 3;
988 }
989 }
990
991 // Load the list of packages from the command line into the show list
992 for (const char **I = CmdL.FileList + 1; *I != 0; I++)
993 {
994 // Process per-package flags
995 string P = *I;
996 bool Force = false;
997 if (P.length() > 3)
998 {
999 if (P.end()[-1] == '^')
1000 {
1001 Force = true;
1002 P.erase(P.end()-1);
1003 }
1004
1005 if (P.end()[-1] == ',')
1006 P.erase(P.end()-1);
1007 }
1008
1009 // Locate the package
1010 pkgCache::PkgIterator Pkg = Cache.FindPkg(P);
1011 if (Pkg.end() == true)
1012 {
1013 _error->Warning(_("Unable to locate package %s"),*I);
1014 continue;
1015 }
1016 Show[Pkg->ID] = ToShow;
1017
1018 if (Force == true)
1019 Flags[Pkg->ID] |= ForceNR;
1020 }
1021
1022 // Little header
1023 printf("digraph packages {\n");
1024 printf("concentrate=true;\n");
1025 printf("size=\"30,40\";\n");
1026
1027 bool Act = true;
1028 while (Act == true)
1029 {
1030 Act = false;
1031 for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
1032 {
1033 // See we need to show this package
1034 if (Show[Pkg->ID] == None || Show[Pkg->ID] >= DoneNR)
1035 continue;
1036
1037 // Colour as done
1038 if (Show[Pkg->ID] == ToShowNR || (Flags[Pkg->ID] & ForceNR) == ForceNR)
1039 {
1040 // Pure Provides and missing packages have no deps!
1041 if (ShapeMap[Pkg->ID] == 0 || ShapeMap[Pkg->ID] == 1)
1042 Show[Pkg->ID] = Done;
1043 else
1044 Show[Pkg->ID] = DoneNR;
1045 }
1046 else
1047 Show[Pkg->ID] = Done;
1048 Act = true;
1049
1050 // No deps to map out
1051 if (Pkg->VersionList == 0 || Show[Pkg->ID] == DoneNR)
1052 continue;
1053
1054 pkgCache::VerIterator Ver = Pkg.VersionList();
1055 for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
1056 {
1057 // See if anything can meet this dep
1058 // Walk along the actual package providing versions
1059 bool Hit = false;
1060 pkgCache::PkgIterator DPkg = D.TargetPkg();
1061 for (pkgCache::VerIterator I = DPkg.VersionList();
1062 I.end() == false && Hit == false; I++)
1063 {
1064 if (Cache.VS->CheckDep(I.VerStr(),D->CompareOp,D.TargetVer()) == true)
1065 Hit = true;
1066 }
1067
1068 // Follow all provides
1069 for (pkgCache::PrvIterator I = DPkg.ProvidesList();
1070 I.end() == false && Hit == false; I++)
1071 {
1072 if (Cache.VS->CheckDep(I.ProvideVersion(),D->CompareOp,D.TargetVer()) == false)
1073 Hit = true;
1074 }
1075
1076 // Only graph critical deps
1077 if (D.IsCritical() == true)
1078 {
1079 printf("\"%s\" -> \"%s\"",Pkg.Name(),D.TargetPkg().Name());
1080
1081 // Colour the node for recursion
1082 if (Show[D.TargetPkg()->ID] <= DoneNR)
1083 {
1084 /* If a conflicts does not meet anything in the database
1085 then show the relation but do not recurse */
1086 if (Hit == false &&
1087 (D->Type == pkgCache::Dep::Conflicts ||
1088 D->Type == pkgCache::Dep::Obsoletes))
1089 {
1090 if (Show[D.TargetPkg()->ID] == None &&
1091 Show[D.TargetPkg()->ID] != ToShow)
1092 Show[D.TargetPkg()->ID] = ToShowNR;
1093 }
1094 else
1095 {
1096 if (GivenOnly == true && Show[D.TargetPkg()->ID] != ToShow)
1097 Show[D.TargetPkg()->ID] = ToShowNR;
1098 else
1099 Show[D.TargetPkg()->ID] = ToShow;
1100 }
1101 }
1102
1103 // Edge colour
1104 switch(D->Type)
1105 {
1106 case pkgCache::Dep::Conflicts:
1107 case pkgCache::Dep::Obsoletes:
1108 printf("[color=springgreen];\n");
1109 break;
1110
1111 case pkgCache::Dep::PreDepends:
1112 printf("[color=blue];\n");
1113 break;
1114
1115 default:
1116 printf(";\n");
1117 break;
1118 }
1119 }
1120 }
1121 }
1122 }
1123
1124 /* Draw the box colours after the fact since we can not tell what colour
1125 they should be until everything is finished drawing */
1126 for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++)
1127 {
1128 if (Show[Pkg->ID] < DoneNR)
1129 continue;
1130
1131 // Orange box for early recursion stoppage
1132 if (Show[Pkg->ID] == DoneNR)
1133 printf("\"%s\" [color=orange,shape=%s];\n",Pkg.Name(),
1134 Shapes[ShapeMap[Pkg->ID]]);
1135 else
1136 printf("\"%s\" [shape=%s];\n",Pkg.Name(),
1137 Shapes[ShapeMap[Pkg->ID]]);
1138 }
1139
1140 printf("}\n");
1141 return true;
1142 }
1143 /*}}}*/
1144 // DoAdd - Perform an adding operation /*{{{*/
1145 // ---------------------------------------------------------------------
1146 /* */
1147 bool DoAdd(CommandLine &CmdL)
1148 {
1149 return _error->Error("Unimplemented");
1150 #if 0
1151 // Make sure there is at least one argument
1152 if (CmdL.FileSize() <= 1)
1153 return _error->Error("You must give at least one file name");
1154
1155 // Open the cache
1156 FileFd CacheF(_config->FindFile("Dir::Cache::pkgcache"),FileFd::WriteAny);
1157 if (_error->PendingError() == true)
1158 return false;
1159
1160 DynamicMMap Map(CacheF,MMap::Public);
1161 if (_error->PendingError() == true)
1162 return false;
1163
1164 OpTextProgress Progress(*_config);
1165 pkgCacheGenerator Gen(Map,Progress);
1166 if (_error->PendingError() == true)
1167 return false;
1168
1169 unsigned long Length = CmdL.FileSize() - 1;
1170 for (const char **I = CmdL.FileList + 1; *I != 0; I++)
1171 {
1172 Progress.OverallProgress(I - CmdL.FileList,Length,1,"Generating cache");
1173 Progress.SubProgress(Length);
1174
1175 // Do the merge
1176 FileFd TagF(*I,FileFd::ReadOnly);
1177 debListParser Parser(TagF);
1178 if (_error->PendingError() == true)
1179 return _error->Error("Problem opening %s",*I);
1180
1181 if (Gen.SelectFile(*I,"") == false)
1182 return _error->Error("Problem with SelectFile");
1183
1184 if (Gen.MergeList(Parser) == false)
1185 return _error->Error("Problem with MergeList");
1186 }
1187
1188 Progress.Done();
1189 GCache = &Gen.GetCache();
1190 Stats(CmdL);
1191
1192 return true;
1193 #endif
1194 }
1195 /*}}}*/
1196 // DisplayRecord - Displays the complete record for the package /*{{{*/
1197 // ---------------------------------------------------------------------
1198 /* This displays the package record from the proper package index file.
1199 It is not used by DumpAvail for performance reasons. */
1200 bool DisplayRecord(pkgCache::VerIterator V)
1201 {
1202 // Find an appropriate file
1203 pkgCache::VerFileIterator Vf = V.FileList();
1204 for (; Vf.end() == false; Vf++)
1205 if ((Vf.File()->Flags & pkgCache::Flag::NotSource) == 0)
1206 break;
1207 if (Vf.end() == true)
1208 Vf = V.FileList();
1209
1210 // Check and load the package list file
1211 pkgCache::PkgFileIterator I = Vf.File();
1212 if (I.IsOk() == false)
1213 return _error->Error(_("Package file %s is out of sync."),I.FileName());
1214
1215 FileFd PkgF(I.FileName(),FileFd::ReadOnly);
1216 if (_error->PendingError() == true)
1217 return false;
1218
1219 // Read the record
1220 unsigned char *Buffer = new unsigned char[GCache->HeaderP->MaxVerFileSize+1];
1221 Buffer[V.FileList()->Size] = '\n';
1222 if (PkgF.Seek(V.FileList()->Offset) == false ||
1223 PkgF.Read(Buffer,V.FileList()->Size) == false)
1224 {
1225 delete [] Buffer;
1226 return false;
1227 }
1228
1229 // Get a pointer to start of Description field
1230 const unsigned char *DescP = (unsigned char*)strstr((char*)Buffer, "Description:");
1231
1232 // Write all but Description
1233 if (fwrite(Buffer,1,DescP - Buffer,stdout) < (size_t)(DescP - Buffer))
1234 {
1235 delete [] Buffer;
1236 return false;
1237 }
1238
1239 // Show the right description
1240 pkgRecords Recs(*GCache);
1241 pkgCache::DescIterator Desc = V.TranslatedDescription();
1242 pkgRecords::Parser &P = Recs.Lookup(Desc.FileList());
1243 cout << "Description" << ( (strcmp(Desc.LanguageCode(),"") != 0) ? "-" : "" ) << Desc.LanguageCode() << ": " << P.LongDesc();
1244
1245 // Find the first field after the description (if there is any)
1246 for(DescP++;DescP != &Buffer[V.FileList()->Size];DescP++)
1247 {
1248 if(*DescP == '\n' && *(DescP+1) != ' ')
1249 {
1250 // write the rest of the buffer
1251 const unsigned char *end=&Buffer[V.FileList()->Size];
1252 if (fwrite(DescP,1,end-DescP,stdout) < (size_t)(end-DescP))
1253 {
1254 delete [] Buffer;
1255 return false;
1256 }
1257
1258 break;
1259 }
1260 }
1261 // write a final newline (after the description)
1262 cout<<endl;
1263 delete [] Buffer;
1264
1265 return true;
1266 }
1267 /*}}}*/
1268
1269 struct ExDescFile
1270 {
1271 pkgCache::DescFile *Df;
1272 bool NameMatch;
1273 };
1274
1275 // Search - Perform a search /*{{{*/
1276 // ---------------------------------------------------------------------
1277 /* This searches the package names and package descriptions for a pattern */
1278 bool Search(CommandLine &CmdL)
1279 {
1280 pkgCache &Cache = *GCache;
1281 bool ShowFull = _config->FindB("APT::Cache::ShowFull",false);
1282 bool NamesOnly = _config->FindB("APT::Cache::NamesOnly",false);
1283 unsigned NumPatterns = CmdL.FileSize() -1;
1284
1285 pkgDepCache::Policy Plcy;
1286
1287 // Make sure there is at least one argument
1288 if (NumPatterns < 1)
1289 return _error->Error(_("You must give exactly one pattern"));
1290
1291 // Compile the regex pattern
1292 regex_t *Patterns = new regex_t[NumPatterns];
1293 memset(Patterns,0,sizeof(*Patterns)*NumPatterns);
1294 for (unsigned I = 0; I != NumPatterns; I++)
1295 {
1296 if (regcomp(&Patterns[I],CmdL.FileList[I+1],REG_EXTENDED | REG_ICASE |
1297 REG_NOSUB) != 0)
1298 {
1299 for (; I != 0; I--)
1300 regfree(&Patterns[I]);
1301 return _error->Error("Regex compilation error");
1302 }
1303 }
1304
1305 // Create the text record parser
1306 pkgRecords Recs(Cache);
1307 if (_error->PendingError() == true)
1308 {
1309 for (unsigned I = 0; I != NumPatterns; I++)
1310 regfree(&Patterns[I]);
1311 return false;
1312 }
1313
1314 ExDescFile *DFList = new ExDescFile[Cache.HeaderP->PackageCount+1];
1315 memset(DFList,0,sizeof(*DFList)*Cache.HeaderP->PackageCount+1);
1316
1317 // Map versions that we want to write out onto the VerList array.
1318 for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
1319 {
1320 DFList[P->ID].NameMatch = NumPatterns != 0;
1321 for (unsigned I = 0; I != NumPatterns; I++)
1322 {
1323 if (regexec(&Patterns[I],P.Name(),0,0,0) == 0)
1324 DFList[P->ID].NameMatch &= true;
1325 else
1326 DFList[P->ID].NameMatch = false;
1327 }
1328
1329 // Doing names only, drop any that dont match..
1330 if (NamesOnly == true && DFList[P->ID].NameMatch == false)
1331 continue;
1332
1333 // Find the proper version to use.
1334 pkgCache::VerIterator V = Plcy.GetCandidateVer(P);
1335 if (V.end() == false)
1336 DFList[P->ID].Df = V.DescriptionList().FileList();
1337 }
1338
1339 // Include all the packages that provide matching names too
1340 for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++)
1341 {
1342 if (DFList[P->ID].NameMatch == false)
1343 continue;
1344
1345 for (pkgCache::PrvIterator Prv = P.ProvidesList() ; Prv.end() == false; Prv++)
1346 {
1347 pkgCache::VerIterator V = Plcy.GetCandidateVer(Prv.OwnerPkg());
1348 if (V.end() == false)
1349 {
1350 DFList[Prv.OwnerPkg()->ID].Df = V.DescriptionList().FileList();
1351 DFList[Prv.OwnerPkg()->ID].NameMatch = true;
1352 }
1353 }
1354 }
1355
1356 LocalitySort(&DFList->Df,Cache.HeaderP->PackageCount,sizeof(*DFList));
1357
1358 // Iterate over all the version records and check them
1359 for (ExDescFile *J = DFList; J->Df != 0; J++)
1360 {
1361 pkgRecords::Parser &P = Recs.Lookup(pkgCache::DescFileIterator(Cache,J->Df));
1362
1363 bool Match = true;
1364 if (J->NameMatch == false)
1365 {
1366 string LongDesc = P.LongDesc();
1367 Match = NumPatterns != 0;
1368 for (unsigned I = 0; I != NumPatterns; I++)
1369 {
1370 if (regexec(&Patterns[I],LongDesc.c_str(),0,0,0) == 0)
1371 Match &= true;
1372 else
1373 Match = false;
1374 }
1375 }
1376
1377 if (Match == true)
1378 {
1379 if (ShowFull == true)
1380 {
1381 const char *Start;
1382 const char *End;
1383 P.GetRec(Start,End);
1384 fwrite(Start,End-Start,1,stdout);
1385 putc('\n',stdout);
1386 }
1387 else
1388 printf("%s - %s\n",P.Name().c_str(),P.ShortDesc().c_str());
1389 }
1390 }
1391
1392 delete [] DFList;
1393 for (unsigned I = 0; I != NumPatterns; I++)
1394 regfree(&Patterns[I]);
1395 if (ferror(stdout))
1396 return _error->Error("Write to stdout failed");
1397 return true;
1398 }
1399 /*}}}*/
1400 // ShowPackage - Dump the package record to the screen /*{{{*/
1401 // ---------------------------------------------------------------------
1402 /* */
1403 bool ShowPackage(CommandLine &CmdL)
1404 {
1405 pkgCache &Cache = *GCache;
1406 pkgDepCache::Policy Plcy;
1407
1408 unsigned found = 0;
1409
1410 for (const char **I = CmdL.FileList + 1; *I != 0; I++)
1411 {
1412 pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
1413 if (Pkg.end() == true)
1414 {
1415 _error->Warning(_("Unable to locate package %s"),*I);
1416 continue;
1417 }
1418
1419 ++found;
1420
1421 // Find the proper version to use.
1422 if (_config->FindB("APT::Cache::AllVersions","true") == true)
1423 {
1424 pkgCache::VerIterator V;
1425 for (V = Pkg.VersionList(); V.end() == false; V++)
1426 {
1427 if (DisplayRecord(V) == false)
1428 return false;
1429 }
1430 }
1431 else
1432 {
1433 pkgCache::VerIterator V = Plcy.GetCandidateVer(Pkg);
1434 if (V.end() == true || V.FileList().end() == true)
1435 continue;
1436 if (DisplayRecord(V) == false)
1437 return false;
1438 }
1439 }
1440
1441 if (found > 0)
1442 return true;
1443 return _error->Error(_("No packages found"));
1444 }
1445 /*}}}*/
1446 // ShowPkgNames - Show package names /*{{{*/
1447 // ---------------------------------------------------------------------
1448 /* This does a prefix match on the first argument */
1449 bool ShowPkgNames(CommandLine &CmdL)
1450 {
1451 pkgCache &Cache = *GCache;
1452 pkgCache::PkgIterator I = Cache.PkgBegin();
1453 bool All = _config->FindB("APT::Cache::AllNames","false");
1454
1455 if (CmdL.FileList[1] != 0)
1456 {
1457 for (;I.end() != true; I++)
1458 {
1459 if (All == false && I->VersionList == 0)
1460 continue;
1461
1462 if (strncmp(I.Name(),CmdL.FileList[1],strlen(CmdL.FileList[1])) == 0)
1463 cout << I.Name() << endl;
1464 }
1465
1466 return true;
1467 }
1468
1469 // Show all pkgs
1470 for (;I.end() != true; I++)
1471 {
1472 if (All == false && I->VersionList == 0)
1473 continue;
1474 cout << I.Name() << endl;
1475 }
1476
1477 return true;
1478 }
1479 /*}}}*/
1480 // ShowSrcPackage - Show source package records /*{{{*/
1481 // ---------------------------------------------------------------------
1482 /* */
1483 bool ShowSrcPackage(CommandLine &CmdL)
1484 {
1485 pkgSourceList List;
1486 List.ReadMainList();
1487
1488 // Create the text record parsers
1489 pkgSrcRecords SrcRecs(List);
1490 if (_error->PendingError() == true)
1491 return false;
1492
1493 for (const char **I = CmdL.FileList + 1; *I != 0; I++)
1494 {
1495 SrcRecs.Restart();
1496
1497 pkgSrcRecords::Parser *Parse;
1498 while ((Parse = SrcRecs.Find(*I,false)) != 0)
1499 cout << Parse->AsStr() << endl;;
1500 }
1501 return true;
1502 }
1503 /*}}}*/
1504 // Policy - Show the results of the preferences file /*{{{*/
1505 // ---------------------------------------------------------------------
1506 /* */
1507 bool Policy(CommandLine &CmdL)
1508 {
1509 if (SrcList == 0)
1510 return _error->Error("Generate must be enabled for this function");
1511
1512 pkgCache &Cache = *GCache;
1513 pkgPolicy Plcy(&Cache);
1514 if (ReadPinFile(Plcy) == false || ReadPinDir(Plcy) == false)
1515 return false;
1516
1517 // Print out all of the package files
1518 if (CmdL.FileList[1] == 0)
1519 {
1520 cout << _("Package files:") << endl;
1521 for (pkgCache::PkgFileIterator F = Cache.FileBegin(); F.end() == false; F++)
1522 {
1523 // Locate the associated index files so we can derive a description
1524 pkgIndexFile *Indx;
1525 if (SrcList->FindIndex(F,Indx) == false &&
1526 _system->FindIndex(F,Indx) == false)
1527 return _error->Error(_("Cache is out of sync, can't x-ref a package file"));
1528 printf(_("%4i %s\n"),
1529 Plcy.GetPriority(F),Indx->Describe(true).c_str());
1530
1531 // Print the reference information for the package
1532 string Str = F.RelStr();
1533 if (Str.empty() == false)
1534 printf(" release %s\n",F.RelStr().c_str());
1535 if (F.Site() != 0 && F.Site()[0] != 0)
1536 printf(" origin %s\n",F.Site());
1537 }
1538
1539 // Show any packages have explicit pins
1540 cout << _("Pinned packages:") << endl;
1541 pkgCache::PkgIterator I = Cache.PkgBegin();
1542 for (;I.end() != true; I++)
1543 {
1544 if (Plcy.GetPriority(I) == 0)
1545 continue;
1546
1547 // Print the package name and the version we are forcing to
1548 cout << " " << I.Name() << " -> ";
1549
1550 pkgCache::VerIterator V = Plcy.GetMatch(I);
1551 if (V.end() == true)
1552 cout << _("(not found)") << endl;
1553 else
1554 cout << V.VerStr() << endl;
1555 }
1556
1557 return true;
1558 }
1559
1560 // Print out detailed information for each package
1561 for (const char **I = CmdL.FileList + 1; *I != 0; I++)
1562 {
1563 pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
1564 if (Pkg.end() == true)
1565 {
1566 _error->Warning(_("Unable to locate package %s"),*I);
1567 continue;
1568 }
1569
1570 cout << Pkg.Name() << ":" << endl;
1571
1572 // Installed version
1573 cout << _(" Installed: ");
1574 if (Pkg->CurrentVer == 0)
1575 cout << _("(none)") << endl;
1576 else
1577 cout << Pkg.CurrentVer().VerStr() << endl;
1578
1579 // Candidate Version
1580 cout << _(" Candidate: ");
1581 pkgCache::VerIterator V = Plcy.GetCandidateVer(Pkg);
1582 if (V.end() == true)
1583 cout << _("(none)") << endl;
1584 else
1585 cout << V.VerStr() << endl;
1586
1587 // Pinned version
1588 if (Plcy.GetPriority(Pkg) != 0)
1589 {
1590 cout << _(" Package pin: ");
1591 V = Plcy.GetMatch(Pkg);
1592 if (V.end() == true)
1593 cout << _("(not found)") << endl;
1594 else
1595 cout << V.VerStr() << endl;
1596 }
1597
1598 // Show the priority tables
1599 cout << _(" Version table:") << endl;
1600 for (V = Pkg.VersionList(); V.end() == false; V++)
1601 {
1602 if (Pkg.CurrentVer() == V)
1603 cout << " *** " << V.VerStr();
1604 else
1605 cout << " " << V.VerStr();
1606 cout << " " << Plcy.GetPriority(Pkg) << endl;
1607 for (pkgCache::VerFileIterator VF = V.FileList(); VF.end() == false; VF++)
1608 {
1609 // Locate the associated index files so we can derive a description
1610 pkgIndexFile *Indx;
1611 if (SrcList->FindIndex(VF.File(),Indx) == false &&
1612 _system->FindIndex(VF.File(),Indx) == false)
1613 return _error->Error(_("Cache is out of sync, can't x-ref a package file"));
1614 printf(_(" %4i %s\n"),Plcy.GetPriority(VF.File()),
1615 Indx->Describe(true).c_str());
1616 }
1617 }
1618 }
1619
1620 return true;
1621 }
1622 /*}}}*/
1623 // Madison - Look a bit like katie's madison /*{{{*/
1624 // ---------------------------------------------------------------------
1625 /* */
1626 bool Madison(CommandLine &CmdL)
1627 {
1628 if (SrcList == 0)
1629 return _error->Error("Generate must be enabled for this function");
1630
1631 SrcList->ReadMainList();
1632
1633 pkgCache &Cache = *GCache;
1634
1635 // Create the src text record parsers and ignore errors about missing
1636 // deb-src lines that are generated from pkgSrcRecords::pkgSrcRecords
1637 pkgSrcRecords SrcRecs(*SrcList);
1638 if (_error->PendingError() == true)
1639 _error->Discard();
1640
1641 for (const char **I = CmdL.FileList + 1; *I != 0; I++)
1642 {
1643 pkgCache::PkgIterator Pkg = Cache.FindPkg(*I);
1644
1645 if (Pkg.end() == false)
1646 {
1647 for (pkgCache::VerIterator V = Pkg.VersionList(); V.end() == false; V++)
1648 {
1649 for (pkgCache::VerFileIterator VF = V.FileList(); VF.end() == false; VF++)
1650 {
1651 // This might be nice, but wouldn't uniquely identify the source -mdz
1652 // if (VF.File().Archive() != 0)
1653 // {
1654 // cout << setw(10) << Pkg.Name() << " | " << setw(10) << V.VerStr() << " | "
1655 // << VF.File().Archive() << endl;
1656 // }
1657
1658 // Locate the associated index files so we can derive a description
1659 for (pkgSourceList::const_iterator S = SrcList->begin(); S != SrcList->end(); S++)
1660 {
1661 vector<pkgIndexFile *> *Indexes = (*S)->GetIndexFiles();
1662 for (vector<pkgIndexFile *>::const_iterator IF = Indexes->begin();
1663 IF != Indexes->end(); IF++)
1664 {
1665 if ((*IF)->FindInCache(*(VF.File().Cache())) == VF.File())
1666 {
1667 cout << setw(10) << Pkg.Name() << " | " << setw(10) << V.VerStr() << " | "
1668 << (*IF)->Describe(true) << endl;
1669 }
1670 }
1671 }
1672 }
1673 }
1674 }
1675
1676
1677 SrcRecs.Restart();
1678 pkgSrcRecords::Parser *SrcParser;
1679 while ((SrcParser = SrcRecs.Find(*I,false)) != 0)
1680 {
1681 // Maybe support Release info here too eventually
1682 cout << setw(10) << SrcParser->Package() << " | "
1683 << setw(10) << SrcParser->Version() << " | "
1684 << SrcParser->Index().Describe(true) << endl;
1685 }
1686 }
1687
1688 return true;
1689 }
1690 /*}}}*/
1691 // GenCaches - Call the main cache generator /*{{{*/
1692 // ---------------------------------------------------------------------
1693 /* */
1694 bool GenCaches(CommandLine &Cmd)
1695 {
1696 OpTextProgress Progress(*_config);
1697
1698 pkgSourceList List;
1699 if (List.ReadMainList() == false)
1700 return false;
1701 return pkgMakeStatusCache(List,Progress);
1702 }
1703 /*}}}*/
1704 // ShowHelp - Show a help screen /*{{{*/
1705 // ---------------------------------------------------------------------
1706 /* */
1707 bool ShowHelp(CommandLine &Cmd)
1708 {
1709 ioprintf(cout,_("%s %s for %s compiled on %s %s\n"),PACKAGE,VERSION,
1710 COMMON_ARCH,__DATE__,__TIME__);
1711
1712 if (_config->FindB("version") == true)
1713 return true;
1714
1715 cout <<
1716 _("Usage: apt-cache [options] command\n"
1717 " apt-cache [options] add file1 [file2 ...]\n"
1718 " apt-cache [options] showpkg pkg1 [pkg2 ...]\n"
1719 " apt-cache [options] showsrc pkg1 [pkg2 ...]\n"
1720 "\n"
1721 "apt-cache is a low-level tool used to manipulate APT's binary\n"
1722 "cache files, and query information from them\n"
1723 "\n"
1724 "Commands:\n"
1725 " add - Add a package file to the source cache\n"
1726 " gencaches - Build both the package and source cache\n"
1727 " showpkg - Show some general information for a single package\n"
1728 " showsrc - Show source records\n"
1729 " stats - Show some basic statistics\n"
1730 " dump - Show the entire file in a terse form\n"
1731 " dumpavail - Print an available file to stdout\n"
1732 " unmet - Show unmet dependencies\n"
1733 " search - Search the package list for a regex pattern\n"
1734 " show - Show a readable record for the package\n"
1735 " depends - Show raw dependency information for a package\n"
1736 " rdepends - Show reverse dependency information for a package\n"
1737 " pkgnames - List the names of all packages in the system\n"
1738 " dotty - Generate package graphs for GraphViz\n"
1739 " xvcg - Generate package graphs for xvcg\n"
1740 " policy - Show policy settings\n"
1741 "\n"
1742 "Options:\n"
1743 " -h This help text.\n"
1744 " -p=? The package cache.\n"
1745 " -s=? The source cache.\n"
1746 " -q Disable progress indicator.\n"
1747 " -i Show only important deps for the unmet command.\n"
1748 " -c=? Read this configuration file\n"
1749 " -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp\n"
1750 "See the apt-cache(8) and apt.conf(5) manual pages for more information.\n");
1751 return true;
1752 }
1753 /*}}}*/
1754 // CacheInitialize - Initialize things for apt-cache /*{{{*/
1755 // ---------------------------------------------------------------------
1756 /* */
1757 void CacheInitialize()
1758 {
1759 _config->Set("quiet",0);
1760 _config->Set("help",false);
1761 }
1762 /*}}}*/
1763 int main(int argc,const char *argv[]) /*{{{*/
1764 {
1765 CommandLine::Args Args[] = {
1766 {'h',"help","help",0},
1767 {'v',"version","version",0},
1768 {'p',"pkg-cache","Dir::Cache::pkgcache",CommandLine::HasArg},
1769 {'s',"src-cache","Dir::Cache::srcpkgcache",CommandLine::HasArg},
1770 {'q',"quiet","quiet",CommandLine::IntLevel},
1771 {'i',"important","APT::Cache::Important",0},
1772 {'f',"full","APT::Cache::ShowFull",0},
1773 {'g',"generate","APT::Cache::Generate",0},
1774 {'a',"all-versions","APT::Cache::AllVersions",0},
1775 {'n',"names-only","APT::Cache::NamesOnly",0},
1776 {0,"all-names","APT::Cache::AllNames",0},
1777 {0,"recurse","APT::Cache::RecurseDepends",0},
1778 {'c',"config-file",0,CommandLine::ConfigFile},
1779 {'o',"option",0,CommandLine::ArbItem},
1780 {0,"installed","APT::Cache::Installed",0},
1781 {0,0,0,0}};
1782 CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp},
1783 {"add",&DoAdd},
1784 {"gencaches",&GenCaches},
1785 {"showsrc",&ShowSrcPackage},
1786 {0,0}};
1787 CommandLine::Dispatch CmdsB[] = {{"showpkg",&DumpPackage},
1788 {"stats",&Stats},
1789 {"dump",&Dump},
1790 {"dumpavail",&DumpAvail},
1791 {"unmet",&UnMet},
1792 {"search",&Search},
1793 {"depends",&Depends},
1794 {"rdepends",&RDepends},
1795 {"dotty",&Dotty},
1796 {"xvcg",&XVcg},
1797 {"show",&ShowPackage},
1798 {"pkgnames",&ShowPkgNames},
1799 {"policy",&Policy},
1800 {"madison",&Madison},
1801 {0,0}};
1802
1803 CacheInitialize();
1804
1805 // Set up gettext support
1806 setlocale(LC_ALL,"");
1807 textdomain(PACKAGE);
1808
1809 // Parse the command line and initialize the package library
1810 CommandLine CmdL(Args,_config);
1811 if (pkgInitConfig(*_config) == false ||
1812 CmdL.Parse(argc,argv) == false ||
1813 pkgInitSystem(*_config,_system) == false)
1814 {
1815 _error->DumpErrors();
1816 return 100;
1817 }
1818
1819 // See if the help should be shown
1820 if (_config->FindB("help") == true ||
1821 CmdL.FileSize() == 0)
1822 {
1823 ShowHelp(CmdL);
1824 return 0;
1825 }
1826
1827 // Deal with stdout not being a tty
1828 if (isatty(STDOUT_FILENO) && _config->FindI("quiet",0) < 1)
1829 _config->Set("quiet","1");
1830
1831 if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false)
1832 {
1833 MMap *Map = 0;
1834 if (_config->FindB("APT::Cache::Generate",true) == false)
1835 {
1836 Map = new MMap(*new FileFd(_config->FindFile("Dir::Cache::pkgcache"),
1837 FileFd::ReadOnly),MMap::Public|MMap::ReadOnly);
1838 }
1839 else
1840 {
1841 // Open the cache file
1842 SrcList = new pkgSourceList;
1843 SrcList->ReadMainList();
1844
1845 // Generate it and map it
1846 OpProgress Prog;
1847 pkgMakeStatusCache(*SrcList,Prog,&Map,true);
1848 }
1849
1850 if (_error->PendingError() == false)
1851 {
1852 pkgCache Cache(Map);
1853 GCache = &Cache;
1854 if (_error->PendingError() == false)
1855 CmdL.DispatchArg(CmdsB);
1856 }
1857 delete Map;
1858 }
1859
1860 // Print any errors or warnings found during parsing
1861 if (_error->empty() == false)
1862 {
1863 bool Errors = _error->PendingError();
1864 _error->DumpErrors();
1865 return Errors == true?100:0;
1866 }
1867
1868 return 0;
1869 }
1870 /*}}}*/