| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | // $Id: apt-cache.cc,v 1.46 2001/03/07 04:25:35 jgg 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 <iostream.h> |
| 35 | #include <unistd.h> |
| 36 | #include <errno.h> |
| 37 | #include <regex.h> |
| 38 | #include <stdio.h> |
| 39 | /*}}}*/ |
| 40 | |
| 41 | pkgCache *GCache = 0; |
| 42 | |
| 43 | // LocalitySort - Sort a version list by package file locality /*{{{*/ |
| 44 | // --------------------------------------------------------------------- |
| 45 | /* */ |
| 46 | int LocalityCompare(const void *a, const void *b) |
| 47 | { |
| 48 | pkgCache::VerFile *A = *(pkgCache::VerFile **)a; |
| 49 | pkgCache::VerFile *B = *(pkgCache::VerFile **)b; |
| 50 | |
| 51 | if (A == 0 && B == 0) |
| 52 | return 0; |
| 53 | if (A == 0) |
| 54 | return 1; |
| 55 | if (B == 0) |
| 56 | return -1; |
| 57 | |
| 58 | if (A->File == B->File) |
| 59 | return A->Offset - B->Offset; |
| 60 | return A->File - B->File; |
| 61 | } |
| 62 | |
| 63 | void LocalitySort(pkgCache::VerFile **begin, |
| 64 | unsigned long Count,size_t Size) |
| 65 | { |
| 66 | qsort(begin,Count,Size,LocalityCompare); |
| 67 | } |
| 68 | /*}}}*/ |
| 69 | // UnMet - Show unmet dependencies /*{{{*/ |
| 70 | // --------------------------------------------------------------------- |
| 71 | /* */ |
| 72 | bool UnMet(CommandLine &CmdL) |
| 73 | { |
| 74 | pkgCache &Cache = *GCache; |
| 75 | bool Important = _config->FindB("APT::Cache::Important",false); |
| 76 | |
| 77 | for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++) |
| 78 | { |
| 79 | for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++) |
| 80 | { |
| 81 | bool Header = false; |
| 82 | for (pkgCache::DepIterator D = V.DependsList(); D.end() == false;) |
| 83 | { |
| 84 | // Collect or groups |
| 85 | pkgCache::DepIterator Start; |
| 86 | pkgCache::DepIterator End; |
| 87 | D.GlobOr(Start,End); |
| 88 | |
| 89 | // Skip conflicts and replaces |
| 90 | if (End->Type != pkgCache::Dep::PreDepends && |
| 91 | End->Type != pkgCache::Dep::Depends && |
| 92 | End->Type != pkgCache::Dep::Suggests && |
| 93 | End->Type != pkgCache::Dep::Recommends) |
| 94 | continue; |
| 95 | |
| 96 | // Important deps only |
| 97 | if (Important == true) |
| 98 | if (End->Type != pkgCache::Dep::PreDepends && |
| 99 | End->Type != pkgCache::Dep::Depends) |
| 100 | continue; |
| 101 | |
| 102 | // Verify the or group |
| 103 | bool OK = false; |
| 104 | pkgCache::DepIterator RealStart = Start; |
| 105 | do |
| 106 | { |
| 107 | // See if this dep is Ok |
| 108 | pkgCache::Version **VList = Start.AllTargets(); |
| 109 | if (*VList != 0) |
| 110 | { |
| 111 | OK = true; |
| 112 | delete [] VList; |
| 113 | break; |
| 114 | } |
| 115 | delete [] VList; |
| 116 | |
| 117 | if (Start == End) |
| 118 | break; |
| 119 | Start++; |
| 120 | } |
| 121 | while (1); |
| 122 | |
| 123 | // The group is OK |
| 124 | if (OK == true) |
| 125 | continue; |
| 126 | |
| 127 | // Oops, it failed.. |
| 128 | if (Header == false) |
| 129 | ioprintf(cout,_("Package %s version %s has an unmet dep:\n"), |
| 130 | P.Name(),V.VerStr()); |
| 131 | Header = true; |
| 132 | |
| 133 | // Print out the dep type |
| 134 | cout << " " << End.DepType() << ": "; |
| 135 | |
| 136 | // Show the group |
| 137 | Start = RealStart; |
| 138 | do |
| 139 | { |
| 140 | cout << Start.TargetPkg().Name(); |
| 141 | if (Start.TargetVer() != 0) |
| 142 | cout << " (" << Start.CompType() << " " << Start.TargetVer() << |
| 143 | ")"; |
| 144 | if (Start == End) |
| 145 | break; |
| 146 | cout << " | "; |
| 147 | Start++; |
| 148 | } |
| 149 | while (1); |
| 150 | |
| 151 | cout << endl; |
| 152 | } |
| 153 | } |
| 154 | } |
| 155 | return true; |
| 156 | } |
| 157 | /*}}}*/ |
| 158 | // DumpPackage - Show a dump of a package record /*{{{*/ |
| 159 | // --------------------------------------------------------------------- |
| 160 | /* */ |
| 161 | bool DumpPackage(CommandLine &CmdL) |
| 162 | { |
| 163 | pkgCache &Cache = *GCache; |
| 164 | for (const char **I = CmdL.FileList + 1; *I != 0; I++) |
| 165 | { |
| 166 | pkgCache::PkgIterator Pkg = Cache.FindPkg(*I); |
| 167 | if (Pkg.end() == true) |
| 168 | { |
| 169 | _error->Warning(_("Unable to locate package %s"),*I); |
| 170 | continue; |
| 171 | } |
| 172 | |
| 173 | cout << "Package: " << Pkg.Name() << endl; |
| 174 | cout << "Versions: " << endl; |
| 175 | for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++) |
| 176 | { |
| 177 | cout << Cur.VerStr(); |
| 178 | for (pkgCache::VerFileIterator Vf = Cur.FileList(); Vf.end() == false; Vf++) |
| 179 | cout << "(" << Vf.File().FileName() << ")"; |
| 180 | cout << endl; |
| 181 | } |
| 182 | |
| 183 | cout << endl; |
| 184 | |
| 185 | cout << "Reverse Depends: " << endl; |
| 186 | for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() != true; D++) |
| 187 | { |
| 188 | cout << " " << D.ParentPkg().Name() << ',' << D.TargetPkg().Name(); |
| 189 | if (D->Version != 0) |
| 190 | cout << ' ' << D.TargetVer() << endl; |
| 191 | else |
| 192 | cout << endl; |
| 193 | } |
| 194 | |
| 195 | cout << "Dependencies: " << endl; |
| 196 | for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++) |
| 197 | { |
| 198 | cout << Cur.VerStr() << " - "; |
| 199 | for (pkgCache::DepIterator Dep = Cur.DependsList(); Dep.end() != true; Dep++) |
| 200 | cout << Dep.TargetPkg().Name() << " (" << (int)Dep->CompareOp << " " << Dep.TargetVer() << ") "; |
| 201 | cout << endl; |
| 202 | } |
| 203 | |
| 204 | cout << "Provides: " << endl; |
| 205 | for (pkgCache::VerIterator Cur = Pkg.VersionList(); Cur.end() != true; Cur++) |
| 206 | { |
| 207 | cout << Cur.VerStr() << " - "; |
| 208 | for (pkgCache::PrvIterator Prv = Cur.ProvidesList(); Prv.end() != true; Prv++) |
| 209 | cout << Prv.ParentPkg().Name() << " "; |
| 210 | cout << endl; |
| 211 | } |
| 212 | cout << "Reverse Provides: " << endl; |
| 213 | for (pkgCache::PrvIterator Prv = Pkg.ProvidesList(); Prv.end() != true; Prv++) |
| 214 | cout << Prv.OwnerPkg().Name() << " " << Prv.OwnerVer().VerStr() << endl; |
| 215 | } |
| 216 | |
| 217 | return true; |
| 218 | } |
| 219 | /*}}}*/ |
| 220 | // Stats - Dump some nice statistics /*{{{*/ |
| 221 | // --------------------------------------------------------------------- |
| 222 | /* */ |
| 223 | bool Stats(CommandLine &Cmd) |
| 224 | { |
| 225 | pkgCache &Cache = *GCache; |
| 226 | cout << _("Total Package Names : ") << Cache.Head().PackageCount << " (" << |
| 227 | SizeToStr(Cache.Head().PackageCount*Cache.Head().PackageSz) << ')' << endl; |
| 228 | |
| 229 | int Normal = 0; |
| 230 | int Virtual = 0; |
| 231 | int NVirt = 0; |
| 232 | int DVirt = 0; |
| 233 | int Missing = 0; |
| 234 | pkgCache::PkgIterator I = Cache.PkgBegin(); |
| 235 | for (;I.end() != true; I++) |
| 236 | { |
| 237 | if (I->VersionList != 0 && I->ProvidesList == 0) |
| 238 | { |
| 239 | Normal++; |
| 240 | continue; |
| 241 | } |
| 242 | |
| 243 | if (I->VersionList != 0 && I->ProvidesList != 0) |
| 244 | { |
| 245 | NVirt++; |
| 246 | continue; |
| 247 | } |
| 248 | |
| 249 | if (I->VersionList == 0 && I->ProvidesList != 0) |
| 250 | { |
| 251 | // Only 1 provides |
| 252 | if (I.ProvidesList()->NextProvides == 0) |
| 253 | { |
| 254 | DVirt++; |
| 255 | } |
| 256 | else |
| 257 | Virtual++; |
| 258 | continue; |
| 259 | } |
| 260 | if (I->VersionList == 0 && I->ProvidesList == 0) |
| 261 | { |
| 262 | Missing++; |
| 263 | continue; |
| 264 | } |
| 265 | } |
| 266 | cout << _(" Normal Packages: ") << Normal << endl; |
| 267 | cout << _(" Pure Virtual Packages: ") << Virtual << endl; |
| 268 | cout << _(" Single Virtual Packages: ") << DVirt << endl; |
| 269 | cout << _(" Mixed Virtual Packages: ") << NVirt << endl; |
| 270 | cout << _(" Missing: ") << Missing << endl; |
| 271 | |
| 272 | cout << _("Total Distinct Versions: ") << Cache.Head().VersionCount << " (" << |
| 273 | SizeToStr(Cache.Head().VersionCount*Cache.Head().VersionSz) << ')' << endl; |
| 274 | cout << _("Total Dependencies: ") << Cache.Head().DependsCount << " (" << |
| 275 | SizeToStr(Cache.Head().DependsCount*Cache.Head().DependencySz) << ')' << endl; |
| 276 | |
| 277 | cout << _("Total Ver/File relations: ") << Cache.Head().VerFileCount << " (" << |
| 278 | SizeToStr(Cache.Head().VerFileCount*Cache.Head().VerFileSz) << ')' << endl; |
| 279 | cout << _("Total Provides Mappings: ") << Cache.Head().ProvidesCount << " (" << |
| 280 | SizeToStr(Cache.Head().ProvidesCount*Cache.Head().ProvidesSz) << ')' << endl; |
| 281 | |
| 282 | // String list stats |
| 283 | unsigned long Size = 0; |
| 284 | unsigned long Count = 0; |
| 285 | for (pkgCache::StringItem *I = Cache.StringItemP + Cache.Head().StringList; |
| 286 | I!= Cache.StringItemP; I = Cache.StringItemP + I->NextItem) |
| 287 | { |
| 288 | Count++; |
| 289 | Size += strlen(Cache.StrP + I->String) + 1; |
| 290 | } |
| 291 | cout << _("Total Globbed Strings: ") << Count << " (" << SizeToStr(Size) << ')' << endl; |
| 292 | |
| 293 | unsigned long DepVerSize = 0; |
| 294 | for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++) |
| 295 | { |
| 296 | for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++) |
| 297 | { |
| 298 | for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++) |
| 299 | { |
| 300 | if (D->Version != 0) |
| 301 | DepVerSize += strlen(D.TargetVer()) + 1; |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | cout << _("Total Dependency Version space: ") << SizeToStr(DepVerSize) << endl; |
| 306 | |
| 307 | unsigned long Slack = 0; |
| 308 | for (int I = 0; I != 7; I++) |
| 309 | Slack += Cache.Head().Pools[I].ItemSize*Cache.Head().Pools[I].Count; |
| 310 | cout << _("Total Slack space: ") << SizeToStr(Slack) << endl; |
| 311 | |
| 312 | unsigned long Total = 0; |
| 313 | Total = Slack + Size + Cache.Head().DependsCount*Cache.Head().DependencySz + |
| 314 | Cache.Head().VersionCount*Cache.Head().VersionSz + |
| 315 | Cache.Head().PackageCount*Cache.Head().PackageSz + |
| 316 | Cache.Head().VerFileCount*Cache.Head().VerFileSz + |
| 317 | Cache.Head().ProvidesCount*Cache.Head().ProvidesSz; |
| 318 | cout << _("Total Space Accounted for: ") << SizeToStr(Total) << endl; |
| 319 | |
| 320 | return true; |
| 321 | } |
| 322 | /*}}}*/ |
| 323 | // Dump - show everything /*{{{*/ |
| 324 | // --------------------------------------------------------------------- |
| 325 | /* This is worthless except fer debugging things */ |
| 326 | bool Dump(CommandLine &Cmd) |
| 327 | { |
| 328 | pkgCache &Cache = *GCache; |
| 329 | cout << "Using Versioning System: " << Cache.VS->Label << endl; |
| 330 | |
| 331 | for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++) |
| 332 | { |
| 333 | cout << "Package: " << P.Name() << endl; |
| 334 | for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; V++) |
| 335 | { |
| 336 | cout << " Version: " << V.VerStr() << endl; |
| 337 | cout << " File: " << V.FileList().File().FileName() << endl; |
| 338 | for (pkgCache::DepIterator D = V.DependsList(); D.end() == false; D++) |
| 339 | cout << " Depends: " << D.TargetPkg().Name() << ' ' << D.TargetVer() << endl; |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | for (pkgCache::PkgFileIterator F = Cache.FileBegin(); F.end() == false; F++) |
| 344 | { |
| 345 | cout << "File: " << F.FileName() << endl; |
| 346 | cout << " Type: " << F.IndexType() << endl; |
| 347 | cout << " Size: " << F->Size << endl; |
| 348 | cout << " ID: " << F->ID << endl; |
| 349 | cout << " Flags: " << F->Flags << endl; |
| 350 | cout << " Time: " << TimeRFC1123(F->mtime) << endl; |
| 351 | cout << " Archive: " << F.Archive() << endl; |
| 352 | cout << " Component: " << F.Component() << endl; |
| 353 | cout << " Version: " << F.Version() << endl; |
| 354 | cout << " Origin: " << F.Origin() << endl; |
| 355 | cout << " Site: " << F.Site() << endl; |
| 356 | cout << " Label: " << F.Label() << endl; |
| 357 | cout << " Architecture: " << F.Architecture() << endl; |
| 358 | } |
| 359 | |
| 360 | return true; |
| 361 | } |
| 362 | /*}}}*/ |
| 363 | // DumpAvail - Print out the available list /*{{{*/ |
| 364 | // --------------------------------------------------------------------- |
| 365 | /* This is needed to make dpkg --merge happy.. I spent a bit of time to |
| 366 | make this run really fast, perhaps I went a little overboard.. */ |
| 367 | bool DumpAvail(CommandLine &Cmd) |
| 368 | { |
| 369 | pkgCache &Cache = *GCache; |
| 370 | |
| 371 | pkgPolicy Plcy(&Cache); |
| 372 | if (ReadPinFile(Plcy) == false) |
| 373 | return false; |
| 374 | |
| 375 | pkgCache::VerFile **VFList = new pkgCache::VerFile *[Cache.HeaderP->PackageCount]; |
| 376 | memset(VFList,0,sizeof(*VFList)*Cache.HeaderP->PackageCount); |
| 377 | |
| 378 | // Map versions that we want to write out onto the VerList array. |
| 379 | for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++) |
| 380 | { |
| 381 | if (P->VersionList == 0) |
| 382 | continue; |
| 383 | |
| 384 | /* Find the proper version to use. If the policy says there are no |
| 385 | possible selections we return the installed version, if available.. |
| 386 | This prevents dselect from making it obsolete. */ |
| 387 | pkgCache::VerIterator V = Plcy.GetCandidateVer(P); |
| 388 | if (V.end() == true) |
| 389 | { |
| 390 | if (P->CurrentVer == 0) |
| 391 | continue; |
| 392 | V = P.CurrentVer(); |
| 393 | } |
| 394 | |
| 395 | pkgCache::VerFileIterator VF = V.FileList(); |
| 396 | for (; VF.end() == false ; VF++) |
| 397 | if ((VF.File()->Flags & pkgCache::Flag::NotSource) == 0) |
| 398 | break; |
| 399 | |
| 400 | /* Okay, here we have a bit of a problem.. The policy has selected the |
| 401 | currently installed package - however it only exists in the |
| 402 | status file.. We need to write out something or dselect will mark |
| 403 | the package as obsolete! Thus we emit the status file entry, but |
| 404 | below we remove the status line to make it valid for the |
| 405 | available file. However! We only do this if their do exist *any* |
| 406 | non-source versions of the package - that way the dselect obsolete |
| 407 | handling works OK. */ |
| 408 | if (VF.end() == true) |
| 409 | { |
| 410 | for (pkgCache::VerIterator Cur = P.VersionList(); Cur.end() != true; Cur++) |
| 411 | { |
| 412 | for (VF = Cur.FileList(); VF.end() == false; VF++) |
| 413 | { |
| 414 | if ((VF.File()->Flags & pkgCache::Flag::NotSource) == 0) |
| 415 | { |
| 416 | VF = V.FileList(); |
| 417 | break; |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | if (VF.end() == false) |
| 422 | break; |
| 423 | } |
| 424 | } |
| 425 | |
| 426 | VFList[P->ID] = VF; |
| 427 | } |
| 428 | |
| 429 | LocalitySort(VFList,Cache.HeaderP->PackageCount,sizeof(*VFList)); |
| 430 | |
| 431 | // Iterate over all the package files and write them out. |
| 432 | char *Buffer = new char[Cache.HeaderP->MaxVerFileSize+10]; |
| 433 | for (pkgCache::VerFile **J = VFList; *J != 0;) |
| 434 | { |
| 435 | pkgCache::PkgFileIterator File(Cache,(*J)->File + Cache.PkgFileP); |
| 436 | if (File.IsOk() == false) |
| 437 | { |
| 438 | _error->Error(_("Package file %s is out of sync."),File.FileName()); |
| 439 | break; |
| 440 | } |
| 441 | |
| 442 | FileFd PkgF(File.FileName(),FileFd::ReadOnly); |
| 443 | if (_error->PendingError() == true) |
| 444 | break; |
| 445 | |
| 446 | /* Write all of the records from this package file, since we |
| 447 | already did locality sorting we can now just seek through the |
| 448 | file in read order. We apply 1 more optimization here, since often |
| 449 | there will be < 1 byte gaps between records (for the \n) we read that |
| 450 | into the next buffer and offset a bit.. */ |
| 451 | unsigned long Pos = 0; |
| 452 | for (; *J != 0; J++) |
| 453 | { |
| 454 | if ((*J)->File + Cache.PkgFileP != File) |
| 455 | break; |
| 456 | |
| 457 | const pkgCache::VerFile &VF = **J; |
| 458 | |
| 459 | // Read the record and then write it out again. |
| 460 | unsigned long Jitter = VF.Offset - Pos; |
| 461 | if (Jitter > 8) |
| 462 | { |
| 463 | if (PkgF.Seek(VF.Offset) == false) |
| 464 | break; |
| 465 | Jitter = 0; |
| 466 | } |
| 467 | |
| 468 | if (PkgF.Read(Buffer,VF.Size + Jitter) == false) |
| 469 | break; |
| 470 | Buffer[VF.Size + Jitter] = '\n'; |
| 471 | |
| 472 | // See above.. |
| 473 | if ((File->Flags & pkgCache::Flag::NotSource) == pkgCache::Flag::NotSource) |
| 474 | { |
| 475 | pkgTagSection Tags; |
| 476 | TFRewriteData RW[] = {{"Status",0},{}}; |
| 477 | const char *Zero = 0; |
| 478 | if (Tags.Scan(Buffer+Jitter,VF.Size+1) == false || |
| 479 | TFRewrite(stdout,Tags,&Zero,RW) == false) |
| 480 | { |
| 481 | _error->Error("Internal Error, Unable to parse a package record"); |
| 482 | break; |
| 483 | } |
| 484 | fputc('\n',stdout); |
| 485 | } |
| 486 | else |
| 487 | { |
| 488 | if (fwrite(Buffer+Jitter,VF.Size+1,1,stdout) != 1) |
| 489 | break; |
| 490 | } |
| 491 | |
| 492 | Pos = VF.Offset + VF.Size; |
| 493 | } |
| 494 | |
| 495 | fflush(stdout); |
| 496 | if (_error->PendingError() == true) |
| 497 | break; |
| 498 | } |
| 499 | |
| 500 | delete [] Buffer; |
| 501 | delete [] VFList; |
| 502 | return !_error->PendingError(); |
| 503 | } |
| 504 | /*}}}*/ |
| 505 | // Depends - Print out a dependency tree /*{{{*/ |
| 506 | // --------------------------------------------------------------------- |
| 507 | /* */ |
| 508 | bool Depends(CommandLine &CmdL) |
| 509 | { |
| 510 | pkgCache &Cache = *GCache; |
| 511 | SPtrArray<unsigned> Colours = new unsigned[Cache.Head().PackageCount]; |
| 512 | memset(Colours,0,sizeof(*Colours)*Cache.Head().PackageCount); |
| 513 | |
| 514 | for (const char **I = CmdL.FileList + 1; *I != 0; I++) |
| 515 | { |
| 516 | pkgCache::PkgIterator Pkg = Cache.FindPkg(*I); |
| 517 | if (Pkg.end() == true) |
| 518 | { |
| 519 | _error->Warning(_("Unable to locate package %s"),*I); |
| 520 | continue; |
| 521 | } |
| 522 | Colours[Pkg->ID] = 1; |
| 523 | } |
| 524 | |
| 525 | bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false); |
| 526 | bool DidSomething; |
| 527 | do |
| 528 | { |
| 529 | DidSomething = false; |
| 530 | for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) |
| 531 | { |
| 532 | if (Colours[Pkg->ID] != 1) |
| 533 | continue; |
| 534 | Colours[Pkg->ID] = 2; |
| 535 | DidSomething = true; |
| 536 | |
| 537 | pkgCache::VerIterator Ver = Pkg.VersionList(); |
| 538 | if (Ver.end() == true) |
| 539 | { |
| 540 | cout << '<' << Pkg.Name() << '>' << endl; |
| 541 | continue; |
| 542 | } |
| 543 | |
| 544 | cout << Pkg.Name() << endl; |
| 545 | |
| 546 | for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++) |
| 547 | { |
| 548 | if ((D->CompareOp & pkgCache::Dep::Or) == pkgCache::Dep::Or) |
| 549 | cout << " |"; |
| 550 | else |
| 551 | cout << " "; |
| 552 | |
| 553 | // Show the package |
| 554 | pkgCache::PkgIterator Trg = D.TargetPkg(); |
| 555 | if (Trg->VersionList == 0) |
| 556 | cout << D.DepType() << ": <" << Trg.Name() << ">" << endl; |
| 557 | else |
| 558 | cout << D.DepType() << ": " << Trg.Name() << endl; |
| 559 | |
| 560 | if (Recurse == true) |
| 561 | Colours[D.TargetPkg()->ID]++; |
| 562 | |
| 563 | // Display all solutions |
| 564 | SPtrArray<pkgCache::Version *> List = D.AllTargets(); |
| 565 | pkgPrioSortList(Cache,List); |
| 566 | for (pkgCache::Version **I = List; *I != 0; I++) |
| 567 | { |
| 568 | pkgCache::VerIterator V(Cache,*I); |
| 569 | if (V != Cache.VerP + V.ParentPkg()->VersionList || |
| 570 | V->ParentPkg == D->Package) |
| 571 | continue; |
| 572 | cout << " " << V.ParentPkg().Name() << endl; |
| 573 | |
| 574 | if (Recurse == true) |
| 575 | Colours[D.ParentPkg()->ID]++; |
| 576 | } |
| 577 | } |
| 578 | } |
| 579 | } |
| 580 | while (DidSomething == true); |
| 581 | |
| 582 | return true; |
| 583 | } |
| 584 | /*}}}*/ |
| 585 | // Dotty - Generate a graph for Dotty /*{{{*/ |
| 586 | // --------------------------------------------------------------------- |
| 587 | /* Dotty is the graphvis program for generating graphs. It is a fairly |
| 588 | simple queuing algorithm that just writes dependencies and nodes. |
| 589 | http://www.research.att.com/sw/tools/graphviz/ */ |
| 590 | bool Dotty(CommandLine &CmdL) |
| 591 | { |
| 592 | pkgCache &Cache = *GCache; |
| 593 | bool GivenOnly = _config->FindB("APT::Cache::GivenOnly",false); |
| 594 | |
| 595 | /* Normal packages are boxes |
| 596 | Pure Provides are triangles |
| 597 | Mixed are diamonds |
| 598 | Hexagons are missing packages*/ |
| 599 | const char *Shapes[] = {"hexagon","triangle","box","diamond"}; |
| 600 | |
| 601 | /* Initialize the list of packages to show. |
| 602 | 1 = To Show |
| 603 | 2 = To Show no recurse |
| 604 | 3 = Emitted no recurse |
| 605 | 4 = Emitted |
| 606 | 0 = None */ |
| 607 | enum States {None=0, ToShow, ToShowNR, DoneNR, Done}; |
| 608 | enum TheFlags {ForceNR=(1<<0)}; |
| 609 | unsigned char *Show = new unsigned char[Cache.Head().PackageCount]; |
| 610 | unsigned char *Flags = new unsigned char[Cache.Head().PackageCount]; |
| 611 | unsigned char *ShapeMap = new unsigned char[Cache.Head().PackageCount]; |
| 612 | |
| 613 | // Show everything if no arguments given |
| 614 | if (CmdL.FileList[1] == 0) |
| 615 | for (unsigned long I = 0; I != Cache.Head().PackageCount; I++) |
| 616 | Show[I] = ToShow; |
| 617 | else |
| 618 | for (unsigned long I = 0; I != Cache.Head().PackageCount; I++) |
| 619 | Show[I] = None; |
| 620 | memset(Flags,0,sizeof(*Flags)*Cache.Head().PackageCount); |
| 621 | |
| 622 | // Map the shapes |
| 623 | for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) |
| 624 | { |
| 625 | if (Pkg->VersionList == 0) |
| 626 | { |
| 627 | // Missing |
| 628 | if (Pkg->ProvidesList == 0) |
| 629 | ShapeMap[Pkg->ID] = 0; |
| 630 | else |
| 631 | ShapeMap[Pkg->ID] = 1; |
| 632 | } |
| 633 | else |
| 634 | { |
| 635 | // Normal |
| 636 | if (Pkg->ProvidesList == 0) |
| 637 | ShapeMap[Pkg->ID] = 2; |
| 638 | else |
| 639 | ShapeMap[Pkg->ID] = 3; |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | // Load the list of packages from the command line into the show list |
| 644 | for (const char **I = CmdL.FileList + 1; *I != 0; I++) |
| 645 | { |
| 646 | // Process per-package flags |
| 647 | string P = *I; |
| 648 | bool Force = false; |
| 649 | if (P.length() > 3) |
| 650 | { |
| 651 | if (P.end()[-1] == '^') |
| 652 | { |
| 653 | Force = true; |
| 654 | P.erase(P.end()-1); |
| 655 | } |
| 656 | |
| 657 | if (P.end()[-1] == ',') |
| 658 | P.erase(P.end()-1); |
| 659 | } |
| 660 | |
| 661 | // Locate the package |
| 662 | pkgCache::PkgIterator Pkg = Cache.FindPkg(P); |
| 663 | if (Pkg.end() == true) |
| 664 | { |
| 665 | _error->Warning(_("Unable to locate package %s"),*I); |
| 666 | continue; |
| 667 | } |
| 668 | Show[Pkg->ID] = ToShow; |
| 669 | |
| 670 | if (Force == true) |
| 671 | Flags[Pkg->ID] |= ForceNR; |
| 672 | } |
| 673 | |
| 674 | // Little header |
| 675 | printf("digraph packages {\n"); |
| 676 | printf("concentrate=true;\n"); |
| 677 | printf("size=\"30,40\";\n"); |
| 678 | |
| 679 | bool Act = true; |
| 680 | while (Act == true) |
| 681 | { |
| 682 | Act = false; |
| 683 | for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) |
| 684 | { |
| 685 | // See we need to show this package |
| 686 | if (Show[Pkg->ID] == None || Show[Pkg->ID] >= DoneNR) |
| 687 | continue; |
| 688 | |
| 689 | // Colour as done |
| 690 | if (Show[Pkg->ID] == ToShowNR || (Flags[Pkg->ID] & ForceNR) == ForceNR) |
| 691 | { |
| 692 | // Pure Provides and missing packages have no deps! |
| 693 | if (ShapeMap[Pkg->ID] == 0 || ShapeMap[Pkg->ID] == 1) |
| 694 | Show[Pkg->ID] = Done; |
| 695 | else |
| 696 | Show[Pkg->ID] = DoneNR; |
| 697 | } |
| 698 | else |
| 699 | Show[Pkg->ID] = Done; |
| 700 | Act = true; |
| 701 | |
| 702 | // No deps to map out |
| 703 | if (Pkg->VersionList == 0 || Show[Pkg->ID] == DoneNR) |
| 704 | continue; |
| 705 | |
| 706 | pkgCache::VerIterator Ver = Pkg.VersionList(); |
| 707 | for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++) |
| 708 | { |
| 709 | // See if anything can meet this dep |
| 710 | // Walk along the actual package providing versions |
| 711 | bool Hit = false; |
| 712 | pkgCache::PkgIterator DPkg = D.TargetPkg(); |
| 713 | for (pkgCache::VerIterator I = DPkg.VersionList(); |
| 714 | I.end() == false && Hit == false; I++) |
| 715 | { |
| 716 | if (Cache.VS->CheckDep(I.VerStr(),D->CompareOp,D.TargetVer()) == true) |
| 717 | Hit = true; |
| 718 | } |
| 719 | |
| 720 | // Follow all provides |
| 721 | for (pkgCache::PrvIterator I = DPkg.ProvidesList(); |
| 722 | I.end() == false && Hit == false; I++) |
| 723 | { |
| 724 | if (Cache.VS->CheckDep(I.ProvideVersion(),D->CompareOp,D.TargetVer()) == false) |
| 725 | Hit = true; |
| 726 | } |
| 727 | |
| 728 | // Only graph critical deps |
| 729 | if (D.IsCritical() == true) |
| 730 | { |
| 731 | printf("\"%s\" -> \"%s\"",Pkg.Name(),D.TargetPkg().Name()); |
| 732 | |
| 733 | // Colour the node for recursion |
| 734 | if (Show[D.TargetPkg()->ID] <= DoneNR) |
| 735 | { |
| 736 | /* If a conflicts does not meet anything in the database |
| 737 | then show the relation but do not recurse */ |
| 738 | if (Hit == false && |
| 739 | (D->Type == pkgCache::Dep::Conflicts || |
| 740 | D->Type == pkgCache::Dep::Obsoletes)) |
| 741 | { |
| 742 | if (Show[D.TargetPkg()->ID] == None && |
| 743 | Show[D.TargetPkg()->ID] != ToShow) |
| 744 | Show[D.TargetPkg()->ID] = ToShowNR; |
| 745 | } |
| 746 | else |
| 747 | { |
| 748 | if (GivenOnly == true && Show[D.TargetPkg()->ID] != ToShow) |
| 749 | Show[D.TargetPkg()->ID] = ToShowNR; |
| 750 | else |
| 751 | Show[D.TargetPkg()->ID] = ToShow; |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | // Edge colour |
| 756 | switch(D->Type) |
| 757 | { |
| 758 | case pkgCache::Dep::Conflicts: |
| 759 | case pkgCache::Dep::Obsoletes: |
| 760 | printf("[color=springgreen];\n"); |
| 761 | break; |
| 762 | |
| 763 | case pkgCache::Dep::PreDepends: |
| 764 | printf("[color=blue];\n"); |
| 765 | break; |
| 766 | |
| 767 | default: |
| 768 | printf(";\n"); |
| 769 | break; |
| 770 | } |
| 771 | } |
| 772 | } |
| 773 | } |
| 774 | } |
| 775 | |
| 776 | /* Draw the box colours after the fact since we can not tell what colour |
| 777 | they should be until everything is finished drawing */ |
| 778 | for (pkgCache::PkgIterator Pkg = Cache.PkgBegin(); Pkg.end() == false; Pkg++) |
| 779 | { |
| 780 | if (Show[Pkg->ID] < DoneNR) |
| 781 | continue; |
| 782 | |
| 783 | // Orange box for early recursion stoppage |
| 784 | if (Show[Pkg->ID] == DoneNR) |
| 785 | printf("\"%s\" [color=orange,shape=%s];\n",Pkg.Name(), |
| 786 | Shapes[ShapeMap[Pkg->ID]]); |
| 787 | else |
| 788 | printf("\"%s\" [shape=%s];\n",Pkg.Name(), |
| 789 | Shapes[ShapeMap[Pkg->ID]]); |
| 790 | } |
| 791 | |
| 792 | printf("}\n"); |
| 793 | return true; |
| 794 | } |
| 795 | /*}}}*/ |
| 796 | // DoAdd - Perform an adding operation /*{{{*/ |
| 797 | // --------------------------------------------------------------------- |
| 798 | /* */ |
| 799 | bool DoAdd(CommandLine &CmdL) |
| 800 | { |
| 801 | return _error->Error("Unimplemented"); |
| 802 | #if 0 |
| 803 | // Make sure there is at least one argument |
| 804 | if (CmdL.FileSize() <= 1) |
| 805 | return _error->Error("You must give at least one file name"); |
| 806 | |
| 807 | // Open the cache |
| 808 | FileFd CacheF(_config->FindFile("Dir::Cache::pkgcache"),FileFd::WriteAny); |
| 809 | if (_error->PendingError() == true) |
| 810 | return false; |
| 811 | |
| 812 | DynamicMMap Map(CacheF,MMap::Public); |
| 813 | if (_error->PendingError() == true) |
| 814 | return false; |
| 815 | |
| 816 | OpTextProgress Progress(*_config); |
| 817 | pkgCacheGenerator Gen(Map,Progress); |
| 818 | if (_error->PendingError() == true) |
| 819 | return false; |
| 820 | |
| 821 | unsigned long Length = CmdL.FileSize() - 1; |
| 822 | for (const char **I = CmdL.FileList + 1; *I != 0; I++) |
| 823 | { |
| 824 | Progress.OverallProgress(I - CmdL.FileList,Length,1,"Generating cache"); |
| 825 | Progress.SubProgress(Length); |
| 826 | |
| 827 | // Do the merge |
| 828 | FileFd TagF(*I,FileFd::ReadOnly); |
| 829 | debListParser Parser(TagF); |
| 830 | if (_error->PendingError() == true) |
| 831 | return _error->Error("Problem opening %s",*I); |
| 832 | |
| 833 | if (Gen.SelectFile(*I,"") == false) |
| 834 | return _error->Error("Problem with SelectFile"); |
| 835 | |
| 836 | if (Gen.MergeList(Parser) == false) |
| 837 | return _error->Error("Problem with MergeList"); |
| 838 | } |
| 839 | |
| 840 | Progress.Done(); |
| 841 | GCache = &Gen.GetCache(); |
| 842 | Stats(CmdL); |
| 843 | |
| 844 | return true; |
| 845 | #endif |
| 846 | } |
| 847 | /*}}}*/ |
| 848 | // DisplayRecord - Displays the complete record for the package /*{{{*/ |
| 849 | // --------------------------------------------------------------------- |
| 850 | /* This displays the package record from the proper package index file. |
| 851 | It is not used by DumpAvail for performance reasons. */ |
| 852 | bool DisplayRecord(pkgCache::VerIterator V) |
| 853 | { |
| 854 | // Find an appropriate file |
| 855 | pkgCache::VerFileIterator Vf = V.FileList(); |
| 856 | for (; Vf.end() == false; Vf++) |
| 857 | if ((Vf.File()->Flags & pkgCache::Flag::NotSource) == 0) |
| 858 | break; |
| 859 | if (Vf.end() == true) |
| 860 | Vf = V.FileList(); |
| 861 | |
| 862 | // Check and load the package list file |
| 863 | pkgCache::PkgFileIterator I = Vf.File(); |
| 864 | if (I.IsOk() == false) |
| 865 | return _error->Error(_("Package file %s is out of sync."),I.FileName()); |
| 866 | |
| 867 | FileFd PkgF(I.FileName(),FileFd::ReadOnly); |
| 868 | if (_error->PendingError() == true) |
| 869 | return false; |
| 870 | |
| 871 | // Read the record and then write it out again. |
| 872 | unsigned char *Buffer = new unsigned char[GCache->HeaderP->MaxVerFileSize+1]; |
| 873 | Buffer[V.FileList()->Size] = '\n'; |
| 874 | if (PkgF.Seek(V.FileList()->Offset) == false || |
| 875 | PkgF.Read(Buffer,V.FileList()->Size) == false || |
| 876 | write(STDOUT_FILENO,Buffer,V.FileList()->Size+1) != V.FileList()->Size+1) |
| 877 | { |
| 878 | delete [] Buffer; |
| 879 | return false; |
| 880 | } |
| 881 | |
| 882 | delete [] Buffer; |
| 883 | |
| 884 | return true; |
| 885 | } |
| 886 | /*}}}*/ |
| 887 | // Search - Perform a search /*{{{*/ |
| 888 | // --------------------------------------------------------------------- |
| 889 | /* This searches the package names and pacakge descriptions for a pattern */ |
| 890 | struct ExVerFile |
| 891 | { |
| 892 | pkgCache::VerFile *Vf; |
| 893 | bool NameMatch; |
| 894 | }; |
| 895 | |
| 896 | bool Search(CommandLine &CmdL) |
| 897 | { |
| 898 | pkgCache &Cache = *GCache; |
| 899 | bool ShowFull = _config->FindB("APT::Cache::ShowFull",false); |
| 900 | bool NamesOnly = _config->FindB("APT::Cache::NamesOnly",false); |
| 901 | unsigned NumPatterns = CmdL.FileSize() -1; |
| 902 | |
| 903 | pkgDepCache::Policy Plcy; |
| 904 | |
| 905 | // Make sure there is at least one argument |
| 906 | if (NumPatterns < 1) |
| 907 | return _error->Error(_("You must give exactly one pattern")); |
| 908 | |
| 909 | // Compile the regex pattern |
| 910 | regex_t *Patterns = new regex_t[NumPatterns]; |
| 911 | memset(Patterns,0,sizeof(*Patterns)*NumPatterns); |
| 912 | for (unsigned I = 0; I != NumPatterns; I++) |
| 913 | { |
| 914 | if (regcomp(&Patterns[I],CmdL.FileList[I+1],REG_EXTENDED | REG_ICASE | |
| 915 | REG_NOSUB) != 0) |
| 916 | { |
| 917 | for (; I != 0; I--) |
| 918 | regfree(&Patterns[I]); |
| 919 | return _error->Error("Regex compilation error"); |
| 920 | } |
| 921 | } |
| 922 | |
| 923 | // Create the text record parser |
| 924 | pkgRecords Recs(Cache); |
| 925 | if (_error->PendingError() == true) |
| 926 | { |
| 927 | for (unsigned I = 0; I != NumPatterns; I++) |
| 928 | regfree(&Patterns[I]); |
| 929 | return false; |
| 930 | } |
| 931 | |
| 932 | ExVerFile *VFList = new ExVerFile[Cache.HeaderP->PackageCount+1]; |
| 933 | memset(VFList,0,sizeof(*VFList)*Cache.HeaderP->PackageCount+1); |
| 934 | |
| 935 | // Map versions that we want to write out onto the VerList array. |
| 936 | for (pkgCache::PkgIterator P = Cache.PkgBegin(); P.end() == false; P++) |
| 937 | { |
| 938 | VFList[P->ID].NameMatch = NumPatterns != 0; |
| 939 | for (unsigned I = 0; I != NumPatterns; I++) |
| 940 | { |
| 941 | if (regexec(&Patterns[I],P.Name(),0,0,0) == 0) |
| 942 | VFList[P->ID].NameMatch &= true; |
| 943 | else |
| 944 | VFList[P->ID].NameMatch = false; |
| 945 | } |
| 946 | |
| 947 | // Doing names only, drop any that dont match.. |
| 948 | if (NamesOnly == true && VFList[P->ID].NameMatch == false) |
| 949 | continue; |
| 950 | |
| 951 | // Find the proper version to use. |
| 952 | pkgCache::VerIterator V = Plcy.GetCandidateVer(P); |
| 953 | if (V.end() == true) |
| 954 | continue; |
| 955 | VFList[P->ID].Vf = V.FileList(); |
| 956 | } |
| 957 | |
| 958 | LocalitySort(&VFList->Vf,Cache.HeaderP->PackageCount,sizeof(*VFList)); |
| 959 | |
| 960 | // Iterate over all the version records and check them |
| 961 | for (ExVerFile *J = VFList; J->Vf != 0; J++) |
| 962 | { |
| 963 | pkgRecords::Parser &P = Recs.Lookup(pkgCache::VerFileIterator(Cache,J->Vf)); |
| 964 | |
| 965 | bool Match = true; |
| 966 | if (J->NameMatch == false) |
| 967 | { |
| 968 | string LongDesc = P.LongDesc(); |
| 969 | Match = NumPatterns != 0; |
| 970 | for (unsigned I = 0; I != NumPatterns; I++) |
| 971 | { |
| 972 | if (regexec(&Patterns[I],LongDesc.c_str(),0,0,0) == 0) |
| 973 | Match &= true; |
| 974 | else |
| 975 | Match = false; |
| 976 | } |
| 977 | } |
| 978 | |
| 979 | if (Match == true) |
| 980 | { |
| 981 | if (ShowFull == true) |
| 982 | { |
| 983 | const char *Start; |
| 984 | const char *End; |
| 985 | P.GetRec(Start,End); |
| 986 | fwrite(Start,End-Start,1,stdout); |
| 987 | putc('\n',stdout); |
| 988 | } |
| 989 | else |
| 990 | printf("%s - %s\n",P.Name().c_str(),P.ShortDesc().c_str()); |
| 991 | } |
| 992 | } |
| 993 | |
| 994 | delete [] VFList; |
| 995 | for (unsigned I = 0; I != NumPatterns; I++) |
| 996 | regfree(&Patterns[I]); |
| 997 | if (ferror(stdout)) |
| 998 | return _error->Error("Write to stdout failed"); |
| 999 | return true; |
| 1000 | } |
| 1001 | /*}}}*/ |
| 1002 | // ShowPackage - Dump the package record to the screen /*{{{*/ |
| 1003 | // --------------------------------------------------------------------- |
| 1004 | /* */ |
| 1005 | bool ShowPackage(CommandLine &CmdL) |
| 1006 | { |
| 1007 | pkgCache &Cache = *GCache; |
| 1008 | pkgDepCache::Policy Plcy; |
| 1009 | |
| 1010 | for (const char **I = CmdL.FileList + 1; *I != 0; I++) |
| 1011 | { |
| 1012 | pkgCache::PkgIterator Pkg = Cache.FindPkg(*I); |
| 1013 | if (Pkg.end() == true) |
| 1014 | { |
| 1015 | _error->Warning(_("Unable to locate package %s"),*I); |
| 1016 | continue; |
| 1017 | } |
| 1018 | |
| 1019 | // Find the proper version to use. |
| 1020 | if (_config->FindB("APT::Cache::AllVersions","true") == true) |
| 1021 | { |
| 1022 | pkgCache::VerIterator V; |
| 1023 | for (V = Pkg.VersionList(); V.end() == false; V++) |
| 1024 | { |
| 1025 | if (DisplayRecord(V) == false) |
| 1026 | return false; |
| 1027 | } |
| 1028 | } |
| 1029 | else |
| 1030 | { |
| 1031 | pkgCache::VerIterator V = Plcy.GetCandidateVer(Pkg); |
| 1032 | if (V.end() == true || V.FileList().end() == true) |
| 1033 | continue; |
| 1034 | if (DisplayRecord(V) == false) |
| 1035 | return false; |
| 1036 | } |
| 1037 | } |
| 1038 | return true; |
| 1039 | } |
| 1040 | /*}}}*/ |
| 1041 | // ShowPkgNames - Show package names /*{{{*/ |
| 1042 | // --------------------------------------------------------------------- |
| 1043 | /* This does a prefix match on the first argument */ |
| 1044 | bool ShowPkgNames(CommandLine &CmdL) |
| 1045 | { |
| 1046 | pkgCache &Cache = *GCache; |
| 1047 | pkgCache::PkgIterator I = Cache.PkgBegin(); |
| 1048 | bool All = _config->FindB("APT::Cache::AllNames","false"); |
| 1049 | |
| 1050 | if (CmdL.FileList[1] != 0) |
| 1051 | { |
| 1052 | for (;I.end() != true; I++) |
| 1053 | { |
| 1054 | if (All == false && I->VersionList == 0) |
| 1055 | continue; |
| 1056 | |
| 1057 | if (strncmp(I.Name(),CmdL.FileList[1],strlen(CmdL.FileList[1])) == 0) |
| 1058 | cout << I.Name() << endl; |
| 1059 | } |
| 1060 | |
| 1061 | return true; |
| 1062 | } |
| 1063 | |
| 1064 | // Show all pkgs |
| 1065 | for (;I.end() != true; I++) |
| 1066 | { |
| 1067 | if (All == false && I->VersionList == 0) |
| 1068 | continue; |
| 1069 | cout << I.Name() << endl; |
| 1070 | } |
| 1071 | |
| 1072 | return true; |
| 1073 | } |
| 1074 | /*}}}*/ |
| 1075 | // ShowSrcPackage - Show source package records /*{{{*/ |
| 1076 | // --------------------------------------------------------------------- |
| 1077 | /* */ |
| 1078 | bool ShowSrcPackage(CommandLine &CmdL) |
| 1079 | { |
| 1080 | pkgSourceList List; |
| 1081 | List.ReadMainList(); |
| 1082 | |
| 1083 | // Create the text record parsers |
| 1084 | pkgSrcRecords SrcRecs(List); |
| 1085 | if (_error->PendingError() == true) |
| 1086 | return false; |
| 1087 | |
| 1088 | for (const char **I = CmdL.FileList + 1; *I != 0; I++) |
| 1089 | { |
| 1090 | SrcRecs.Restart(); |
| 1091 | |
| 1092 | pkgSrcRecords::Parser *Parse; |
| 1093 | while ((Parse = SrcRecs.Find(*I,false)) != 0) |
| 1094 | cout << Parse->AsStr() << endl;; |
| 1095 | } |
| 1096 | return true; |
| 1097 | } |
| 1098 | /*}}}*/ |
| 1099 | // GenCaches - Call the main cache generator /*{{{*/ |
| 1100 | // --------------------------------------------------------------------- |
| 1101 | /* */ |
| 1102 | bool GenCaches(CommandLine &Cmd) |
| 1103 | { |
| 1104 | OpTextProgress Progress(*_config); |
| 1105 | |
| 1106 | pkgSourceList List; |
| 1107 | if (List.ReadMainList() == false) |
| 1108 | return false; |
| 1109 | return pkgMakeStatusCache(List,Progress); |
| 1110 | } |
| 1111 | /*}}}*/ |
| 1112 | // ShowHelp - Show a help screen /*{{{*/ |
| 1113 | // --------------------------------------------------------------------- |
| 1114 | /* */ |
| 1115 | bool ShowHelp(CommandLine &Cmd) |
| 1116 | { |
| 1117 | ioprintf(cout,_("%s %s for %s %s compiled on %s %s\n"),PACKAGE,VERSION, |
| 1118 | COMMON_OS,COMMON_CPU,__DATE__,__TIME__); |
| 1119 | |
| 1120 | cout << |
| 1121 | _("Usage: apt-cache [options] command\n" |
| 1122 | " apt-cache [options] add file1 [file1 ...]\n" |
| 1123 | " apt-cache [options] showpkg pkg1 [pkg2 ...]\n" |
| 1124 | "\n" |
| 1125 | "apt-cache is a low-level tool used to manipulate APT's binary\n" |
| 1126 | "cache files, and query information from them\n" |
| 1127 | "\n" |
| 1128 | "Commands:\n" |
| 1129 | " add - Add an package file to the source cache\n" |
| 1130 | " gencaches - Build both the package and source cache\n" |
| 1131 | " showpkg - Show some general information for a single package\n" |
| 1132 | " stats - Show some basic statistics\n" |
| 1133 | " dump - Show the entire file in a terse form\n" |
| 1134 | " dumpavail - Print an available file to stdout\n" |
| 1135 | " unmet - Show unmet dependencies\n" |
| 1136 | " search - Search the package list for a regex pattern\n" |
| 1137 | " show - Show a readable record for the package\n" |
| 1138 | " depends - Show raw dependency information for a package\n" |
| 1139 | " pkgnames - List the names of all packages\n" |
| 1140 | " dotty - Generate package graphs for GraphVis\n" |
| 1141 | "\n" |
| 1142 | "Options:\n" |
| 1143 | " -h This help text.\n" |
| 1144 | " -p=? The package cache.\n" |
| 1145 | " -s=? The source cache.\n" |
| 1146 | " -q Disable progress indicator.\n" |
| 1147 | " -i Show only important deps for the unmet command.\n" |
| 1148 | " -c=? Read this configuration file\n" |
| 1149 | " -o=? Set an arbitary configuration option, eg -o dir::cache=/tmp\n" |
| 1150 | "See the apt-cache(8) and apt.conf(5) manual pages for more information.\n"); |
| 1151 | return true; |
| 1152 | } |
| 1153 | /*}}}*/ |
| 1154 | // CacheInitialize - Initialize things for apt-cache /*{{{*/ |
| 1155 | // --------------------------------------------------------------------- |
| 1156 | /* */ |
| 1157 | void CacheInitialize() |
| 1158 | { |
| 1159 | _config->Set("quiet",0); |
| 1160 | _config->Set("help",false); |
| 1161 | } |
| 1162 | /*}}}*/ |
| 1163 | |
| 1164 | int main(int argc,const char *argv[]) |
| 1165 | { |
| 1166 | CommandLine::Args Args[] = { |
| 1167 | {'h',"help","help",0}, |
| 1168 | {'v',"version","version",0}, |
| 1169 | {'p',"pkg-cache","Dir::Cache::pkgcache",CommandLine::HasArg}, |
| 1170 | {'s',"src-cache","Dir::Cache::srcpkgcache",CommandLine::HasArg}, |
| 1171 | {'q',"quiet","quiet",CommandLine::IntLevel}, |
| 1172 | {'i',"important","APT::Cache::Important",0}, |
| 1173 | {'f',"full","APT::Cache::ShowFull",0}, |
| 1174 | {'g',"generate","APT::Cache::Generate",0}, |
| 1175 | {'a',"all-versions","APT::Cache::AllVersions",0}, |
| 1176 | {0,"names-only","APT::Cache::NamesOnly",0}, |
| 1177 | {0,"all-names","APT::Cache::AllNames",0}, |
| 1178 | {0,"recurse","APT::Cache::RecurseDepends",0}, |
| 1179 | {'c',"config-file",0,CommandLine::ConfigFile}, |
| 1180 | {'o',"option",0,CommandLine::ArbItem}, |
| 1181 | {0,0,0,0}}; |
| 1182 | CommandLine::Dispatch CmdsA[] = {{"help",&ShowHelp}, |
| 1183 | {"add",&DoAdd}, |
| 1184 | {"gencaches",&GenCaches}, |
| 1185 | {"showsrc",&ShowSrcPackage}, |
| 1186 | {0,0}}; |
| 1187 | CommandLine::Dispatch CmdsB[] = {{"showpkg",&DumpPackage}, |
| 1188 | {"stats",&Stats}, |
| 1189 | {"dump",&Dump}, |
| 1190 | {"dumpavail",&DumpAvail}, |
| 1191 | {"unmet",&UnMet}, |
| 1192 | {"search",&Search}, |
| 1193 | {"depends",&Depends}, |
| 1194 | {"dotty",&Dotty}, |
| 1195 | {"show",&ShowPackage}, |
| 1196 | {"pkgnames",&ShowPkgNames}, |
| 1197 | {0,0}}; |
| 1198 | |
| 1199 | CacheInitialize(); |
| 1200 | |
| 1201 | // Parse the command line and initialize the package library |
| 1202 | CommandLine CmdL(Args,_config); |
| 1203 | if (pkgInitConfig(*_config) == false || |
| 1204 | CmdL.Parse(argc,argv) == false || |
| 1205 | pkgInitSystem(*_config,_system) == false) |
| 1206 | { |
| 1207 | _error->DumpErrors(); |
| 1208 | return 100; |
| 1209 | } |
| 1210 | |
| 1211 | // See if the help should be shown |
| 1212 | if (_config->FindB("help") == true || |
| 1213 | CmdL.FileSize() == 0) |
| 1214 | { |
| 1215 | ShowHelp(CmdL); |
| 1216 | return 0; |
| 1217 | } |
| 1218 | |
| 1219 | // Deal with stdout not being a tty |
| 1220 | if (ttyname(STDOUT_FILENO) == 0 && _config->FindI("quiet",0) < 1) |
| 1221 | _config->Set("quiet","1"); |
| 1222 | |
| 1223 | if (CmdL.DispatchArg(CmdsA,false) == false && _error->PendingError() == false) |
| 1224 | { |
| 1225 | MMap *Map; |
| 1226 | if (_config->FindB("APT::Cache::Generate",true) == false) |
| 1227 | { |
| 1228 | Map = new MMap(*new FileFd(_config->FindFile("Dir::Cache::pkgcache"), |
| 1229 | FileFd::ReadOnly),MMap::Public|MMap::ReadOnly); |
| 1230 | } |
| 1231 | else |
| 1232 | { |
| 1233 | // Open the cache file |
| 1234 | pkgSourceList List; |
| 1235 | List.ReadMainList(); |
| 1236 | |
| 1237 | // Generate it and map it |
| 1238 | OpProgress Prog; |
| 1239 | pkgMakeStatusCache(List,Prog,&Map,true); |
| 1240 | } |
| 1241 | |
| 1242 | if (_error->PendingError() == false) |
| 1243 | { |
| 1244 | pkgCache Cache(Map); |
| 1245 | GCache = &Cache; |
| 1246 | if (_error->PendingError() == false) |
| 1247 | CmdL.DispatchArg(CmdsB); |
| 1248 | } |
| 1249 | delete Map; |
| 1250 | } |
| 1251 | |
| 1252 | // Print any errors or warnings found during parsing |
| 1253 | if (_error->empty() == false) |
| 1254 | { |
| 1255 | bool Errors = _error->PendingError(); |
| 1256 | _error->DumpErrors(); |
| 1257 | return Errors == true?100:0; |
| 1258 | } |
| 1259 | |
| 1260 | return 0; |
| 1261 | } |