| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | // $Id: packagemanager.cc,v 1.30 2003/04/27 03:04:15 doogie Exp $ |
| 4 | /* ###################################################################### |
| 5 | |
| 6 | Package Manager - Abstacts the package manager |
| 7 | |
| 8 | More work is needed in the area of transitioning provides, ie exim |
| 9 | replacing smail. This can cause interesing side effects. |
| 10 | |
| 11 | Other cases involving conflicts+replaces should be tested. |
| 12 | |
| 13 | ##################################################################### */ |
| 14 | /*}}}*/ |
| 15 | // Include Files /*{{{*/ |
| 16 | #include <config.h> |
| 17 | |
| 18 | #include <apt-pkg/packagemanager.h> |
| 19 | #include <apt-pkg/orderlist.h> |
| 20 | #include <apt-pkg/depcache.h> |
| 21 | #include <apt-pkg/error.h> |
| 22 | #include <apt-pkg/version.h> |
| 23 | #include <apt-pkg/acquire-item.h> |
| 24 | #include <apt-pkg/algorithms.h> |
| 25 | #include <apt-pkg/configuration.h> |
| 26 | #include <apt-pkg/macros.h> |
| 27 | #include <apt-pkg/pkgcache.h> |
| 28 | #include <apt-pkg/cacheiterators.h> |
| 29 | #include <apt-pkg/strutl.h> |
| 30 | #include <apt-pkg/install-progress.h> |
| 31 | |
| 32 | #include <stddef.h> |
| 33 | #include <list> |
| 34 | #include <string> |
| 35 | #include <iostream> |
| 36 | |
| 37 | #include <apti18n.h> |
| 38 | /*}}}*/ |
| 39 | using namespace std; |
| 40 | |
| 41 | bool pkgPackageManager::SigINTStop = false; |
| 42 | |
| 43 | // PM::PackageManager - Constructor /*{{{*/ |
| 44 | // --------------------------------------------------------------------- |
| 45 | /* */ |
| 46 | pkgPackageManager::pkgPackageManager(pkgDepCache *pCache) : Cache(*pCache), |
| 47 | List(NULL), Res(Incomplete), d(NULL) |
| 48 | { |
| 49 | FileNames = new string[Cache.Head().PackageCount]; |
| 50 | Debug = _config->FindB("Debug::pkgPackageManager",false); |
| 51 | NoImmConfigure = !_config->FindB("APT::Immediate-Configure",true); |
| 52 | ImmConfigureAll = _config->FindB("APT::Immediate-Configure-All",false); |
| 53 | } |
| 54 | /*}}}*/ |
| 55 | // PM::PackageManager - Destructor /*{{{*/ |
| 56 | // --------------------------------------------------------------------- |
| 57 | /* */ |
| 58 | pkgPackageManager::~pkgPackageManager() |
| 59 | { |
| 60 | delete List; |
| 61 | delete [] FileNames; |
| 62 | } |
| 63 | /*}}}*/ |
| 64 | // PM::GetArchives - Queue the archives for download /*{{{*/ |
| 65 | // --------------------------------------------------------------------- |
| 66 | /* */ |
| 67 | bool pkgPackageManager::GetArchives(pkgAcquire *Owner,pkgSourceList *Sources, |
| 68 | pkgRecords *Recs) |
| 69 | { |
| 70 | if (CreateOrderList() == false) |
| 71 | return false; |
| 72 | |
| 73 | bool const ordering = |
| 74 | _config->FindB("PackageManager::UnpackAll",true) ? |
| 75 | List->OrderUnpack() : List->OrderCritical(); |
| 76 | if (ordering == false) |
| 77 | return _error->Error("Internal ordering error"); |
| 78 | |
| 79 | for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I) |
| 80 | { |
| 81 | PkgIterator Pkg(Cache,*I); |
| 82 | FileNames[Pkg->ID] = string(); |
| 83 | |
| 84 | // Skip packages to erase |
| 85 | if (Cache[Pkg].Delete() == true) |
| 86 | continue; |
| 87 | |
| 88 | // Skip Packages that need configure only. |
| 89 | if (Pkg.State() == pkgCache::PkgIterator::NeedsConfigure && |
| 90 | Cache[Pkg].Keep() == true) |
| 91 | continue; |
| 92 | |
| 93 | // Skip already processed packages |
| 94 | if (List->IsNow(Pkg) == false) |
| 95 | continue; |
| 96 | |
| 97 | new pkgAcqArchive(Owner,Sources,Recs,Cache[Pkg].InstVerIter(Cache), |
| 98 | FileNames[Pkg->ID]); |
| 99 | } |
| 100 | |
| 101 | return true; |
| 102 | } |
| 103 | /*}}}*/ |
| 104 | // PM::FixMissing - Keep all missing packages /*{{{*/ |
| 105 | // --------------------------------------------------------------------- |
| 106 | /* This is called to correct the installation when packages could not |
| 107 | be downloaded. */ |
| 108 | bool pkgPackageManager::FixMissing() |
| 109 | { |
| 110 | pkgDepCache::ActionGroup group(Cache); |
| 111 | pkgProblemResolver Resolve(&Cache); |
| 112 | List->SetFileList(FileNames); |
| 113 | |
| 114 | bool Bad = false; |
| 115 | for (PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) |
| 116 | { |
| 117 | if (List->IsMissing(I) == false) |
| 118 | continue; |
| 119 | |
| 120 | // Okay, this file is missing and we need it. Mark it for keep |
| 121 | Bad = true; |
| 122 | Cache.MarkKeep(I, false, false); |
| 123 | } |
| 124 | |
| 125 | // We have to empty the list otherwise it will not have the new changes |
| 126 | delete List; |
| 127 | List = 0; |
| 128 | |
| 129 | if (Bad == false) |
| 130 | return true; |
| 131 | |
| 132 | // Now downgrade everything that is broken |
| 133 | return Resolve.ResolveByKeep() == true && Cache.BrokenCount() == 0; |
| 134 | } |
| 135 | /*}}}*/ |
| 136 | // PM::ImmediateAdd - Add the immediate flag recursivly /*{{{*/ |
| 137 | // --------------------------------------------------------------------- |
| 138 | /* This adds the immediate flag to the pkg and recursively to the |
| 139 | dependendies |
| 140 | */ |
| 141 | void pkgPackageManager::ImmediateAdd(PkgIterator I, bool UseInstallVer, unsigned const int &Depth) |
| 142 | { |
| 143 | DepIterator D; |
| 144 | |
| 145 | if(UseInstallVer) |
| 146 | { |
| 147 | if(Cache[I].InstallVer == 0) |
| 148 | return; |
| 149 | D = Cache[I].InstVerIter(Cache).DependsList(); |
| 150 | } else { |
| 151 | if (I->CurrentVer == 0) |
| 152 | return; |
| 153 | D = I.CurrentVer().DependsList(); |
| 154 | } |
| 155 | |
| 156 | for ( /* nothing */ ; D.end() == false; ++D) |
| 157 | if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends) |
| 158 | { |
| 159 | if(!List->IsFlag(D.TargetPkg(), pkgOrderList::Immediate)) |
| 160 | { |
| 161 | if(Debug) |
| 162 | clog << OutputInDepth(Depth) << "ImmediateAdd(): Adding Immediate flag to " << D.TargetPkg() << " cause of " << D.DepType() << " " << I.FullName() << endl; |
| 163 | List->Flag(D.TargetPkg(),pkgOrderList::Immediate); |
| 164 | ImmediateAdd(D.TargetPkg(), UseInstallVer, Depth + 1); |
| 165 | } |
| 166 | } |
| 167 | return; |
| 168 | } |
| 169 | /*}}}*/ |
| 170 | // PM::CreateOrderList - Create the ordering class /*{{{*/ |
| 171 | // --------------------------------------------------------------------- |
| 172 | /* This populates the ordering list with all the packages that are |
| 173 | going to change. */ |
| 174 | bool pkgPackageManager::CreateOrderList() |
| 175 | { |
| 176 | if (List != 0) |
| 177 | return true; |
| 178 | |
| 179 | delete List; |
| 180 | List = new pkgOrderList(&Cache); |
| 181 | |
| 182 | if (Debug && ImmConfigureAll) |
| 183 | clog << "CreateOrderList(): Adding Immediate flag for all packages because of APT::Immediate-Configure-All" << endl; |
| 184 | |
| 185 | // Generate the list of affected packages and sort it |
| 186 | for (PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) |
| 187 | { |
| 188 | // Ignore no-version packages |
| 189 | if (I->VersionList == 0) |
| 190 | continue; |
| 191 | |
| 192 | // Mark the package and its dependends for immediate configuration |
| 193 | if ((((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential) && |
| 194 | NoImmConfigure == false) || ImmConfigureAll) |
| 195 | { |
| 196 | if(Debug && !ImmConfigureAll) |
| 197 | clog << "CreateOrderList(): Adding Immediate flag for " << I.FullName() << endl; |
| 198 | List->Flag(I,pkgOrderList::Immediate); |
| 199 | |
| 200 | if (!ImmConfigureAll) { |
| 201 | // Look for other install packages to make immediate configurea |
| 202 | ImmediateAdd(I, true); |
| 203 | |
| 204 | // And again with the current version. |
| 205 | ImmediateAdd(I, false); |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | // Not interesting |
| 210 | if ((Cache[I].Keep() == true || |
| 211 | Cache[I].InstVerIter(Cache) == I.CurrentVer()) && |
| 212 | I.State() == pkgCache::PkgIterator::NeedsNothing && |
| 213 | (Cache[I].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall && |
| 214 | (I.Purge() != false || Cache[I].Mode != pkgDepCache::ModeDelete || |
| 215 | (Cache[I].iFlags & pkgDepCache::Purge) != pkgDepCache::Purge)) |
| 216 | continue; |
| 217 | |
| 218 | // Append it to the list |
| 219 | List->push_back(I); |
| 220 | } |
| 221 | |
| 222 | return true; |
| 223 | } |
| 224 | /*}}}*/ |
| 225 | // PM::DepAlwaysTrue - Returns true if this dep is irrelevant /*{{{*/ |
| 226 | // --------------------------------------------------------------------- |
| 227 | /* The restriction on provides is to eliminate the case when provides |
| 228 | are transitioning between valid states [ie exim to smail] */ |
| 229 | bool pkgPackageManager::DepAlwaysTrue(DepIterator D) |
| 230 | { |
| 231 | if (D.TargetPkg()->ProvidesList != 0) |
| 232 | return false; |
| 233 | |
| 234 | if ((Cache[D] & pkgDepCache::DepInstall) != 0 && |
| 235 | (Cache[D] & pkgDepCache::DepNow) != 0) |
| 236 | return true; |
| 237 | return false; |
| 238 | } |
| 239 | /*}}}*/ |
| 240 | // PM::CheckRConflicts - Look for reverse conflicts /*{{{*/ |
| 241 | // --------------------------------------------------------------------- |
| 242 | /* This looks over the reverses for a conflicts line that needs early |
| 243 | removal. */ |
| 244 | bool pkgPackageManager::CheckRConflicts(PkgIterator Pkg,DepIterator D, |
| 245 | const char *Ver) |
| 246 | { |
| 247 | for (;D.end() == false; ++D) |
| 248 | { |
| 249 | if (D->Type != pkgCache::Dep::Conflicts && |
| 250 | D->Type != pkgCache::Dep::Obsoletes) |
| 251 | continue; |
| 252 | |
| 253 | // The package hasn't been changed |
| 254 | if (List->IsNow(Pkg) == false) |
| 255 | continue; |
| 256 | |
| 257 | // Ignore self conflicts, ignore conflicts from irrelevant versions |
| 258 | if (D.IsIgnorable(Pkg) || D.ParentVer() != D.ParentPkg().CurrentVer()) |
| 259 | continue; |
| 260 | |
| 261 | if (Cache.VS().CheckDep(Ver,D->CompareOp,D.TargetVer()) == false) |
| 262 | continue; |
| 263 | |
| 264 | if (EarlyRemove(D.ParentPkg(), &D) == false) |
| 265 | return _error->Error("Reverse conflicts early remove for package '%s' failed", |
| 266 | Pkg.FullName().c_str()); |
| 267 | } |
| 268 | return true; |
| 269 | } |
| 270 | /*}}}*/ |
| 271 | // PM::CheckRBreaks - Look for reverse breaks /*{{{*/ |
| 272 | bool pkgPackageManager::CheckRBreaks(PkgIterator const &Pkg, DepIterator D, |
| 273 | const char * const Ver) |
| 274 | { |
| 275 | for (;D.end() == false; ++D) |
| 276 | { |
| 277 | if (D->Type != pkgCache::Dep::DpkgBreaks) |
| 278 | continue; |
| 279 | |
| 280 | PkgIterator const DP = D.ParentPkg(); |
| 281 | if (Cache[DP].Delete() == false) |
| 282 | continue; |
| 283 | |
| 284 | // Ignore self conflicts, ignore conflicts from irrelevant versions |
| 285 | if (D.IsIgnorable(Pkg) || D.ParentVer() != DP.CurrentVer()) |
| 286 | continue; |
| 287 | |
| 288 | if (Cache.VS().CheckDep(Ver, D->CompareOp, D.TargetVer()) == false) |
| 289 | continue; |
| 290 | |
| 291 | // no earlyremove() here as user has already agreed to the permanent removal |
| 292 | if (SmartRemove(DP) == false) |
| 293 | return _error->Error("Internal Error, Could not early remove %s (%d)",DP.FullName().c_str(), 4); |
| 294 | } |
| 295 | return true; |
| 296 | } |
| 297 | /*}}}*/ |
| 298 | // PM::ConfigureAll - Run the all out configuration /*{{{*/ |
| 299 | // --------------------------------------------------------------------- |
| 300 | /* This configures every package. It is assumed they are all unpacked and |
| 301 | that the final configuration is valid. This is also used to catch packages |
| 302 | that have not been configured when using ImmConfigureAll */ |
| 303 | bool pkgPackageManager::ConfigureAll() |
| 304 | { |
| 305 | pkgOrderList OList(&Cache); |
| 306 | |
| 307 | // Populate the order list |
| 308 | for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I) |
| 309 | if (List->IsFlag(pkgCache::PkgIterator(Cache,*I), |
| 310 | pkgOrderList::UnPacked) == true) |
| 311 | OList.push_back(*I); |
| 312 | |
| 313 | if (OList.OrderConfigure() == false) |
| 314 | return false; |
| 315 | |
| 316 | std::string const conf = _config->Find("PackageManager::Configure","all"); |
| 317 | bool const ConfigurePkgs = (conf == "all"); |
| 318 | |
| 319 | // Perform the configuring |
| 320 | for (pkgOrderList::iterator I = OList.begin(); I != OList.end(); ++I) |
| 321 | { |
| 322 | PkgIterator Pkg(Cache,*I); |
| 323 | |
| 324 | /* Check if the package has been configured, this can happen if SmartConfigure |
| 325 | calls its self */ |
| 326 | if (List->IsFlag(Pkg,pkgOrderList::Configured)) continue; |
| 327 | |
| 328 | if (ConfigurePkgs == true && SmartConfigure(Pkg, 0) == false) { |
| 329 | if (ImmConfigureAll) |
| 330 | _error->Error(_("Could not perform immediate configuration on '%s'. " |
| 331 | "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.FullName().c_str(),1); |
| 332 | else |
| 333 | _error->Error("Internal error, packages left unconfigured. %s",Pkg.FullName().c_str()); |
| 334 | return false; |
| 335 | } |
| 336 | |
| 337 | List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States); |
| 338 | } |
| 339 | |
| 340 | return true; |
| 341 | } |
| 342 | /*}}}*/ |
| 343 | // PM::NonLoopingSmart - helper to avoid loops while calling Smart methods /*{{{*/ |
| 344 | // ----------------------------------------------------------------------- |
| 345 | /* ensures that a loop of the form A depends B, B depends A (and similar) |
| 346 | is not leading us down into infinite recursion segfault land */ |
| 347 | bool pkgPackageManager::NonLoopingSmart(SmartAction const action, pkgCache::PkgIterator &Pkg, |
| 348 | pkgCache::PkgIterator DepPkg, int const Depth, bool const PkgLoop, |
| 349 | bool * const Bad, bool * const Changed) |
| 350 | { |
| 351 | if (PkgLoop == false) |
| 352 | List->Flag(Pkg,pkgOrderList::Loop); |
| 353 | bool success = false; |
| 354 | switch(action) |
| 355 | { |
| 356 | case UNPACK_IMMEDIATE: success = SmartUnPack(DepPkg, true, Depth + 1); break; |
| 357 | case UNPACK: success = SmartUnPack(DepPkg, false, Depth + 1); break; |
| 358 | case CONFIGURE: success = SmartConfigure(DepPkg, Depth + 1); break; |
| 359 | } |
| 360 | if (PkgLoop == false) |
| 361 | List->RmFlag(Pkg,pkgOrderList::Loop); |
| 362 | |
| 363 | if (success == false) |
| 364 | return false; |
| 365 | |
| 366 | if (Bad != NULL) |
| 367 | *Bad = false; |
| 368 | if (Changed != NULL && List->IsFlag(DepPkg,pkgOrderList::Loop) == false) |
| 369 | *Changed = true; |
| 370 | return true; |
| 371 | } |
| 372 | /*}}}*/ |
| 373 | // PM::SmartConfigure - Perform immediate configuration of the pkg /*{{{*/ |
| 374 | // --------------------------------------------------------------------- |
| 375 | /* This function tries to put the system in a state where Pkg can be configured. |
| 376 | This involves checking each of Pkg's dependencies and unpacking and |
| 377 | configuring packages where needed. */ |
| 378 | bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth) |
| 379 | { |
| 380 | // If this is true, only check and correct and dependencies without the Loop flag |
| 381 | bool const PkgLoop = List->IsFlag(Pkg,pkgOrderList::Loop); |
| 382 | |
| 383 | if (Debug) { |
| 384 | VerIterator InstallVer = VerIterator(Cache,Cache[Pkg].InstallVer); |
| 385 | clog << OutputInDepth(Depth) << "SmartConfigure " << Pkg.FullName() << " (" << InstallVer.VerStr() << ")"; |
| 386 | if (PkgLoop) |
| 387 | clog << " (Only Correct Dependencies)"; |
| 388 | clog << endl; |
| 389 | } |
| 390 | |
| 391 | VerIterator const instVer = Cache[Pkg].InstVerIter(Cache); |
| 392 | |
| 393 | /* Because of the ordered list, most dependencies should be unpacked, |
| 394 | however if there is a loop (A depends on B, B depends on A) this will not |
| 395 | be the case, so check for dependencies before configuring. */ |
| 396 | bool Bad = false, Changed = false; |
| 397 | const unsigned int max_loops = _config->FindI("APT::pkgPackageManager::MaxLoopCount", 5000); |
| 398 | unsigned int i=0; |
| 399 | std::list<DepIterator> needConfigure; |
| 400 | do |
| 401 | { |
| 402 | // Check each dependency and see if anything needs to be done |
| 403 | // so that it can be configured |
| 404 | Changed = false; |
| 405 | for (DepIterator D = instVer.DependsList(); D.end() == false; ) |
| 406 | { |
| 407 | // Compute a single dependency element (glob or) |
| 408 | pkgCache::DepIterator Start, End; |
| 409 | D.GlobOr(Start,End); |
| 410 | |
| 411 | if (End->Type != pkgCache::Dep::Depends) |
| 412 | continue; |
| 413 | Bad = true; |
| 414 | |
| 415 | // the first pass checks if we its all good, i.e. if we have |
| 416 | // to do anything at all |
| 417 | for (DepIterator Cur = Start; true; ++Cur) |
| 418 | { |
| 419 | std::unique_ptr<Version *[]> VList(Cur.AllTargets()); |
| 420 | |
| 421 | for (Version **I = VList.get(); *I != 0; ++I) |
| 422 | { |
| 423 | VerIterator Ver(Cache,*I); |
| 424 | PkgIterator DepPkg = Ver.ParentPkg(); |
| 425 | |
| 426 | // Check if the current version of the package is available and will satisfy this dependency |
| 427 | if (DepPkg.CurrentVer() == Ver && List->IsNow(DepPkg) == true && |
| 428 | List->IsFlag(DepPkg,pkgOrderList::Removed) == false && |
| 429 | DepPkg.State() == PkgIterator::NeedsNothing && |
| 430 | (Cache[DepPkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall) |
| 431 | { |
| 432 | Bad = false; |
| 433 | break; |
| 434 | } |
| 435 | |
| 436 | // Check if the version that is going to be installed will satisfy the dependency |
| 437 | if (Cache[DepPkg].InstallVer != *I || List->IsNow(DepPkg) == false) |
| 438 | continue; |
| 439 | |
| 440 | if (PkgLoop == true) |
| 441 | { |
| 442 | if (Debug) |
| 443 | std::clog << OutputInDepth(Depth) << "Package " << Pkg << " loops in SmartConfigure"; |
| 444 | if (List->IsFlag(DepPkg,pkgOrderList::UnPacked)) |
| 445 | Bad = false; |
| 446 | else if (Debug) |
| 447 | std::clog << ", but it isn't unpacked yet"; |
| 448 | if (Debug) |
| 449 | std::clog << std::endl; |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | if (Cur == End || Bad == false) |
| 454 | break; |
| 455 | } |
| 456 | |
| 457 | // this dependency is in a good state, so we can stop |
| 458 | if (Bad == false) |
| 459 | { |
| 460 | if (Debug) |
| 461 | std::clog << OutputInDepth(Depth) << "Found ok dep " << Start.TargetPkg() << std::endl; |
| 462 | continue; |
| 463 | } |
| 464 | |
| 465 | // Check for dependencies that have not been unpacked, |
| 466 | // probably due to loops. |
| 467 | for (DepIterator Cur = Start; true; ++Cur) |
| 468 | { |
| 469 | std::unique_ptr<Version *[]> VList(Cur.AllTargets()); |
| 470 | |
| 471 | for (Version **I = VList.get(); *I != 0; ++I) |
| 472 | { |
| 473 | VerIterator Ver(Cache,*I); |
| 474 | PkgIterator DepPkg = Ver.ParentPkg(); |
| 475 | |
| 476 | // Check if the current version of the package is available and will satisfy this dependency |
| 477 | if (DepPkg.CurrentVer() == Ver && List->IsNow(DepPkg) == true && |
| 478 | List->IsFlag(DepPkg,pkgOrderList::Removed) == false && |
| 479 | DepPkg.State() == PkgIterator::NeedsNothing && |
| 480 | (Cache[DepPkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall) |
| 481 | continue; |
| 482 | |
| 483 | // Check if the version that is going to be installed will satisfy the dependency |
| 484 | if (Cache[DepPkg].InstallVer != *I || List->IsNow(DepPkg) == false) |
| 485 | continue; |
| 486 | |
| 487 | if (PkgLoop == true) |
| 488 | { |
| 489 | if (Debug) |
| 490 | std::clog << OutputInDepth(Depth) << "Package " << Pkg << " loops in SmartConfigure"; |
| 491 | if (List->IsFlag(DepPkg,pkgOrderList::UnPacked)) |
| 492 | Bad = false; |
| 493 | else if (Debug) |
| 494 | std::clog << ", but it isn't unpacked yet"; |
| 495 | if (Debug) |
| 496 | std::clog << std::endl; |
| 497 | } |
| 498 | else |
| 499 | { |
| 500 | if (Debug) |
| 501 | clog << OutputInDepth(Depth) << "Unpacking " << DepPkg.FullName() << " to avoid loop " << Cur << endl; |
| 502 | if (NonLoopingSmart(UNPACK_IMMEDIATE, Pkg, DepPkg, Depth, PkgLoop, &Bad, &Changed) == false) |
| 503 | return false; |
| 504 | } |
| 505 | // at this point we either unpacked a Dep or we are in a loop, |
| 506 | // no need to unpack a second one |
| 507 | break; |
| 508 | } |
| 509 | |
| 510 | if (Cur == End || Bad == false) |
| 511 | break; |
| 512 | } |
| 513 | |
| 514 | if (Bad == false) |
| 515 | continue; |
| 516 | |
| 517 | needConfigure.push_back(Start); |
| 518 | } |
| 519 | if (i++ > max_loops) |
| 520 | return _error->Error("Internal error: MaxLoopCount reached in SmartUnPack (1) for %s, aborting", Pkg.FullName().c_str()); |
| 521 | } while (Changed == true); |
| 522 | |
| 523 | // now go over anything that needs configuring |
| 524 | Bad = false, Changed = false, i = 0; |
| 525 | do |
| 526 | { |
| 527 | Changed = false; |
| 528 | for (std::list<DepIterator>::const_iterator D = needConfigure.begin(); D != needConfigure.end(); ++D) |
| 529 | { |
| 530 | // Compute a single dependency element (glob or) without modifying D |
| 531 | pkgCache::DepIterator Start, End; |
| 532 | { |
| 533 | pkgCache::DepIterator Discard = *D; |
| 534 | Discard.GlobOr(Start,End); |
| 535 | } |
| 536 | |
| 537 | if (End->Type != pkgCache::Dep::Depends) |
| 538 | continue; |
| 539 | Bad = true; |
| 540 | |
| 541 | // Search for dependencies which are unpacked but aren't configured yet (maybe loops) |
| 542 | for (DepIterator Cur = Start; true; ++Cur) |
| 543 | { |
| 544 | std::unique_ptr<Version *[]> VList(Cur.AllTargets()); |
| 545 | |
| 546 | for (Version **I = VList.get(); *I != 0; ++I) |
| 547 | { |
| 548 | VerIterator Ver(Cache,*I); |
| 549 | PkgIterator DepPkg = Ver.ParentPkg(); |
| 550 | |
| 551 | // Check if the version that is going to be installed will satisfy the dependency |
| 552 | if (Cache[DepPkg].InstallVer != *I) |
| 553 | continue; |
| 554 | |
| 555 | if (List->IsFlag(DepPkg,pkgOrderList::UnPacked)) |
| 556 | { |
| 557 | if (List->IsFlag(DepPkg,pkgOrderList::Loop) && PkgLoop) |
| 558 | { |
| 559 | // This dependency has already been dealt with by another SmartConfigure on Pkg |
| 560 | Bad = false; |
| 561 | break; |
| 562 | } |
| 563 | if (Debug) |
| 564 | std::clog << OutputInDepth(Depth) << "Configure already unpacked " << DepPkg << std::endl; |
| 565 | if (NonLoopingSmart(CONFIGURE, Pkg, DepPkg, Depth, PkgLoop, &Bad, &Changed) == false) |
| 566 | return false; |
| 567 | break; |
| 568 | |
| 569 | } |
| 570 | else if (List->IsFlag(DepPkg,pkgOrderList::Configured)) |
| 571 | { |
| 572 | Bad = false; |
| 573 | break; |
| 574 | } |
| 575 | } |
| 576 | if (Cur == End || Bad == false) |
| 577 | break; |
| 578 | } |
| 579 | |
| 580 | |
| 581 | if (Bad == true && Changed == false && Debug == true) |
| 582 | std::clog << OutputInDepth(Depth) << "Could not satisfy " << *D << std::endl; |
| 583 | } |
| 584 | if (i++ > max_loops) |
| 585 | return _error->Error("Internal error: MaxLoopCount reached in SmartUnPack (2) for %s, aborting", Pkg.FullName().c_str()); |
| 586 | } while (Changed == true); |
| 587 | |
| 588 | if (Bad == true) |
| 589 | return _error->Error(_("Could not configure '%s'. "),Pkg.FullName().c_str()); |
| 590 | |
| 591 | // Check for reverse conflicts. |
| 592 | if (CheckRBreaks(Pkg,Pkg.RevDependsList(), instVer.VerStr()) == false) |
| 593 | return false; |
| 594 | |
| 595 | for (PrvIterator P = instVer.ProvidesList(); P.end() == false; ++P) |
| 596 | if (Pkg->Group != P.OwnerPkg()->Group) |
| 597 | CheckRBreaks(Pkg,P.ParentPkg().RevDependsList(),P.ProvideVersion()); |
| 598 | |
| 599 | if (PkgLoop) return true; |
| 600 | |
| 601 | static std::string const conf = _config->Find("PackageManager::Configure","all"); |
| 602 | static bool const ConfigurePkgs = (conf == "all" || conf == "smart"); |
| 603 | |
| 604 | if (List->IsFlag(Pkg,pkgOrderList::Configured)) |
| 605 | return _error->Error("Internal configure error on '%s'.", Pkg.FullName().c_str()); |
| 606 | |
| 607 | if (ConfigurePkgs == true && Configure(Pkg) == false) |
| 608 | return false; |
| 609 | |
| 610 | List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States); |
| 611 | |
| 612 | if ((Cache[Pkg].InstVerIter(Cache)->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same) |
| 613 | for (PkgIterator P = Pkg.Group().PackageList(); |
| 614 | P.end() == false; P = Pkg.Group().NextPkg(P)) |
| 615 | { |
| 616 | if (Pkg == P || List->IsFlag(P,pkgOrderList::Configured) == true || |
| 617 | List->IsFlag(P,pkgOrderList::UnPacked) == false || |
| 618 | Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer && |
| 619 | (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall)) |
| 620 | continue; |
| 621 | if (SmartConfigure(P, (Depth +1)) == false) |
| 622 | return false; |
| 623 | } |
| 624 | |
| 625 | // Sanity Check |
| 626 | if (List->IsFlag(Pkg,pkgOrderList::Configured) == false) |
| 627 | return _error->Error(_("Could not configure '%s'. "),Pkg.FullName().c_str()); |
| 628 | |
| 629 | return true; |
| 630 | } |
| 631 | /*}}}*/ |
| 632 | // PM::EarlyRemove - Perform removal of packages before their time /*{{{*/ |
| 633 | // --------------------------------------------------------------------- |
| 634 | /* This is called to deal with conflicts arising from unpacking */ |
| 635 | bool pkgPackageManager::EarlyRemove(PkgIterator Pkg) |
| 636 | { |
| 637 | return EarlyRemove(Pkg, NULL); |
| 638 | } |
| 639 | bool pkgPackageManager::EarlyRemove(PkgIterator Pkg, DepIterator const * const Dep) |
| 640 | { |
| 641 | if (List->IsNow(Pkg) == false) |
| 642 | return true; |
| 643 | |
| 644 | // Already removed it |
| 645 | if (List->IsFlag(Pkg,pkgOrderList::Removed) == true) |
| 646 | return true; |
| 647 | |
| 648 | // Woops, it will not be re-installed! |
| 649 | if (List->IsFlag(Pkg,pkgOrderList::InList) == false) |
| 650 | return false; |
| 651 | |
| 652 | // these breaks on M-A:same packages can be dealt with. They 'loop' by design |
| 653 | if (Dep != NULL && (*Dep)->Type == pkgCache::Dep::DpkgBreaks && Dep->IsMultiArchImplicit() == true) |
| 654 | return true; |
| 655 | |
| 656 | // Essential packages get special treatment |
| 657 | bool IsEssential = false; |
| 658 | if ((Pkg->Flags & pkgCache::Flag::Essential) != 0 || |
| 659 | (Pkg->Flags & pkgCache::Flag::Important) != 0) |
| 660 | IsEssential = true; |
| 661 | |
| 662 | /* Check for packages that are the dependents of essential packages and |
| 663 | promote them too */ |
| 664 | if (Pkg->CurrentVer != 0) |
| 665 | { |
| 666 | for (pkgCache::DepIterator D = Pkg.RevDependsList(); D.end() == false && |
| 667 | IsEssential == false; ++D) |
| 668 | if (D->Type == pkgCache::Dep::Depends || D->Type == pkgCache::Dep::PreDepends) |
| 669 | if ((D.ParentPkg()->Flags & pkgCache::Flag::Essential) != 0 || |
| 670 | (D.ParentPkg()->Flags & pkgCache::Flag::Important) != 0) |
| 671 | IsEssential = true; |
| 672 | } |
| 673 | |
| 674 | if (IsEssential == true) |
| 675 | { |
| 676 | if (_config->FindB("APT::Force-LoopBreak",false) == false) |
| 677 | return _error->Error(_("This installation run will require temporarily " |
| 678 | "removing the essential package %s due to a " |
| 679 | "Conflicts/Pre-Depends loop. This is often bad, " |
| 680 | "but if you really want to do it, activate the " |
| 681 | "APT::Force-LoopBreak option."),Pkg.FullName().c_str()); |
| 682 | } |
| 683 | // dpkg will auto-deconfigure it, no need for the big remove hammer |
| 684 | else if (Dep != NULL && (*Dep)->Type == pkgCache::Dep::DpkgBreaks) |
| 685 | return true; |
| 686 | |
| 687 | bool Res = SmartRemove(Pkg); |
| 688 | if (Cache[Pkg].Delete() == false) |
| 689 | List->Flag(Pkg,pkgOrderList::Removed,pkgOrderList::States); |
| 690 | |
| 691 | return Res; |
| 692 | } |
| 693 | /*}}}*/ |
| 694 | // PM::SmartRemove - Removal Helper /*{{{*/ |
| 695 | // --------------------------------------------------------------------- |
| 696 | /* */ |
| 697 | bool pkgPackageManager::SmartRemove(PkgIterator Pkg) |
| 698 | { |
| 699 | if (List->IsNow(Pkg) == false) |
| 700 | return true; |
| 701 | |
| 702 | List->Flag(Pkg,pkgOrderList::Configured,pkgOrderList::States); |
| 703 | |
| 704 | return Remove(Pkg,(Cache[Pkg].iFlags & pkgDepCache::Purge) == pkgDepCache::Purge); |
| 705 | } |
| 706 | /*}}}*/ |
| 707 | // PM::SmartUnPack - Install helper /*{{{*/ |
| 708 | // --------------------------------------------------------------------- |
| 709 | /* This puts the system in a state where it can Unpack Pkg, if Pkg is already |
| 710 | unpacked, or when it has been unpacked, if Immediate==true it configures it. */ |
| 711 | bool pkgPackageManager::SmartUnPack(PkgIterator Pkg) |
| 712 | { |
| 713 | return SmartUnPack(Pkg, true, 0); |
| 714 | } |
| 715 | bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int const Depth) |
| 716 | { |
| 717 | bool PkgLoop = List->IsFlag(Pkg,pkgOrderList::Loop); |
| 718 | |
| 719 | if (Debug) { |
| 720 | clog << OutputInDepth(Depth) << "SmartUnPack " << Pkg.FullName(); |
| 721 | VerIterator InstallVer = VerIterator(Cache,Cache[Pkg].InstallVer); |
| 722 | if (Pkg.CurrentVer() == 0) |
| 723 | clog << " (install version " << InstallVer.VerStr() << ")"; |
| 724 | else |
| 725 | clog << " (replace version " << Pkg.CurrentVer().VerStr() << " with " << InstallVer.VerStr() << ")"; |
| 726 | if (PkgLoop) |
| 727 | clog << " (Only Perform PreUnpack Checks)"; |
| 728 | if (Immediate) |
| 729 | clog << " immediately"; |
| 730 | clog << endl; |
| 731 | } |
| 732 | |
| 733 | VerIterator const instVer = Cache[Pkg].InstVerIter(Cache); |
| 734 | |
| 735 | /* PreUnpack Checks: This loop checks and attempts to rectify any problems that would prevent the package being unpacked. |
| 736 | It addresses: PreDepends, Conflicts, Obsoletes and Breaks (DpkgBreaks). Any resolutions that do not require it should |
| 737 | avoid configuration (calling SmartUnpack with Immediate=true), this is because when unpacking some packages with |
| 738 | complex dependency structures, trying to configure some packages while breaking the loops can complicate things. |
| 739 | This will be either dealt with if the package is configured as a dependency of Pkg (if and when Pkg is configured), |
| 740 | or by the ConfigureAll call at the end of the for loop in OrderInstall. */ |
| 741 | bool SomethingBad = false, Changed = false; |
| 742 | bool couldBeTemporaryRemoved = Depth != 0 && List->IsFlag(Pkg,pkgOrderList::Removed) == false; |
| 743 | const unsigned int max_loops = _config->FindI("APT::pkgPackageManager::MaxLoopCount", 5000); |
| 744 | unsigned int i = 0; |
| 745 | do |
| 746 | { |
| 747 | Changed = false; |
| 748 | for (DepIterator D = instVer.DependsList(); D.end() == false; ) |
| 749 | { |
| 750 | // Compute a single dependency element (glob or) |
| 751 | pkgCache::DepIterator Start, End; |
| 752 | D.GlobOr(Start,End); |
| 753 | |
| 754 | if (End->Type == pkgCache::Dep::PreDepends) |
| 755 | { |
| 756 | bool Bad = true; |
| 757 | if (Debug) |
| 758 | clog << OutputInDepth(Depth) << "PreDepends order for " << Pkg.FullName() << std::endl; |
| 759 | |
| 760 | // Look for easy targets: packages that are already okay |
| 761 | for (DepIterator Cur = Start; Bad == true; ++Cur) |
| 762 | { |
| 763 | std::unique_ptr<Version *[]> VList(Cur.AllTargets()); |
| 764 | for (Version **I = VList.get(); *I != 0; ++I) |
| 765 | { |
| 766 | VerIterator Ver(Cache,*I); |
| 767 | PkgIterator Pkg = Ver.ParentPkg(); |
| 768 | |
| 769 | // See if the current version is ok |
| 770 | if (Pkg.CurrentVer() == Ver && List->IsNow(Pkg) == true && |
| 771 | Pkg.State() == PkgIterator::NeedsNothing && |
| 772 | (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall) |
| 773 | { |
| 774 | Bad = false; |
| 775 | if (Debug) |
| 776 | clog << OutputInDepth(Depth) << "Found ok package " << Pkg.FullName() << endl; |
| 777 | break; |
| 778 | } |
| 779 | } |
| 780 | if (Cur == End) |
| 781 | break; |
| 782 | } |
| 783 | |
| 784 | // Look for something that could be configured. |
| 785 | for (DepIterator Cur = Start; Bad == true && Cur.end() == false; ++Cur) |
| 786 | { |
| 787 | std::unique_ptr<Version *[]> VList(Cur.AllTargets()); |
| 788 | for (Version **I = VList.get(); *I != 0; ++I) |
| 789 | { |
| 790 | VerIterator Ver(Cache,*I); |
| 791 | PkgIterator DepPkg = Ver.ParentPkg(); |
| 792 | |
| 793 | // Not the install version |
| 794 | if (Cache[DepPkg].InstallVer != *I) |
| 795 | continue; |
| 796 | |
| 797 | if (Cache[DepPkg].Keep() == true && DepPkg.State() == PkgIterator::NeedsNothing && |
| 798 | (Cache[DepPkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall) |
| 799 | continue; |
| 800 | |
| 801 | if (List->IsFlag(DepPkg,pkgOrderList::Configured)) |
| 802 | { |
| 803 | Bad = false; |
| 804 | break; |
| 805 | } |
| 806 | |
| 807 | // check if it needs unpack or if if configure is enough |
| 808 | if (List->IsFlag(DepPkg,pkgOrderList::UnPacked) == false) |
| 809 | { |
| 810 | // two packages pre-depending on each other can't be handled sanely |
| 811 | if (List->IsFlag(DepPkg,pkgOrderList::Loop) && PkgLoop) |
| 812 | { |
| 813 | // this isn't an error as there is potential for something else to satisfy it |
| 814 | // (like a provides or an or-group member) |
| 815 | if (Debug) |
| 816 | clog << OutputInDepth(Depth) << "Unpack loop detected between " << DepPkg.FullName() << " and " << Pkg.FullName() << endl; |
| 817 | continue; |
| 818 | } |
| 819 | |
| 820 | if (Debug) |
| 821 | clog << OutputInDepth(Depth) << "Trying to SmartUnpack " << DepPkg.FullName() << endl; |
| 822 | if (NonLoopingSmart(UNPACK_IMMEDIATE, Pkg, DepPkg, Depth, PkgLoop, &Bad, &Changed) == false) |
| 823 | return false; |
| 824 | } |
| 825 | else |
| 826 | { |
| 827 | if (Debug) |
| 828 | clog << OutputInDepth(Depth) << "Trying to SmartConfigure " << DepPkg.FullName() << endl; |
| 829 | if (NonLoopingSmart(CONFIGURE, Pkg, DepPkg, Depth, PkgLoop, &Bad, &Changed) == false) |
| 830 | return false; |
| 831 | } |
| 832 | break; |
| 833 | } |
| 834 | } |
| 835 | |
| 836 | if (Bad == true) |
| 837 | SomethingBad = true; |
| 838 | } |
| 839 | else if (End->Type == pkgCache::Dep::Conflicts || |
| 840 | End->Type == pkgCache::Dep::Obsoletes || |
| 841 | End->Type == pkgCache::Dep::DpkgBreaks) |
| 842 | { |
| 843 | std::unique_ptr<Version *[]> VList(End.AllTargets()); |
| 844 | for (Version **I = VList.get(); *I != 0; ++I) |
| 845 | { |
| 846 | VerIterator Ver(Cache,*I); |
| 847 | PkgIterator ConflictPkg = Ver.ParentPkg(); |
| 848 | if (ConflictPkg.CurrentVer() != Ver) |
| 849 | { |
| 850 | if (Debug) |
| 851 | std::clog << OutputInDepth(Depth) << "Ignore not-installed version " << Ver.VerStr() << " of " << ConflictPkg.FullName() << " for " << End << std::endl; |
| 852 | continue; |
| 853 | } |
| 854 | |
| 855 | if (List->IsNow(ConflictPkg) == false) |
| 856 | { |
| 857 | if (Debug) |
| 858 | std::clog << OutputInDepth(Depth) << "Ignore already dealt-with version " << Ver.VerStr() << " of " << ConflictPkg.FullName() << " for " << End << std::endl; |
| 859 | continue; |
| 860 | } |
| 861 | |
| 862 | if (List->IsFlag(ConflictPkg,pkgOrderList::Removed) == true) |
| 863 | { |
| 864 | if (Debug) |
| 865 | clog << OutputInDepth(Depth) << "Ignoring " << End << " as " << ConflictPkg.FullName() << "was temporarily removed" << endl; |
| 866 | continue; |
| 867 | } |
| 868 | |
| 869 | if (List->IsFlag(ConflictPkg,pkgOrderList::Loop) && PkgLoop) |
| 870 | { |
| 871 | if (End->Type == pkgCache::Dep::DpkgBreaks && End.IsMultiArchImplicit() == true) |
| 872 | { |
| 873 | if (Debug) |
| 874 | clog << OutputInDepth(Depth) << "Because dependency is MultiArchImplicit we ignored looping on: " << ConflictPkg << endl; |
| 875 | continue; |
| 876 | } |
| 877 | if (Debug) |
| 878 | { |
| 879 | if (End->Type == pkgCache::Dep::DpkgBreaks) |
| 880 | clog << OutputInDepth(Depth) << "Because of breaks knot, deconfigure " << ConflictPkg.FullName() << " temporarily" << endl; |
| 881 | else |
| 882 | clog << OutputInDepth(Depth) << "Because of conflict knot, removing " << ConflictPkg.FullName() << " temporarily" << endl; |
| 883 | } |
| 884 | if (EarlyRemove(ConflictPkg, &End) == false) |
| 885 | return _error->Error("Internal Error, Could not early remove %s (%d)",ConflictPkg.FullName().c_str(), 3); |
| 886 | SomethingBad = true; |
| 887 | continue; |
| 888 | } |
| 889 | |
| 890 | if (Cache[ConflictPkg].Delete() == false) |
| 891 | { |
| 892 | if (Debug) |
| 893 | { |
| 894 | clog << OutputInDepth(Depth) << "Unpacking " << ConflictPkg.FullName() << " to avoid " << End; |
| 895 | if (PkgLoop == true) |
| 896 | clog << " (Looping)"; |
| 897 | clog << std::endl; |
| 898 | } |
| 899 | // we would like to avoid temporary removals and all that at best via a simple unpack |
| 900 | _error->PushToStack(); |
| 901 | if (NonLoopingSmart(UNPACK, Pkg, ConflictPkg, Depth, PkgLoop, NULL, &Changed) == false) |
| 902 | { |
| 903 | // but if it fails ignore this failure and look for alternative ways of solving |
| 904 | if (Debug) |
| 905 | { |
| 906 | clog << OutputInDepth(Depth) << "Avoidance unpack of " << ConflictPkg.FullName() << " failed for " << End << " ignoring:" << std::endl; |
| 907 | _error->DumpErrors(std::clog, GlobalError::DEBUG, false); |
| 908 | } |
| 909 | _error->RevertToStack(); |
| 910 | // ignorance can only happen if a) one of the offenders is already gone |
| 911 | if (List->IsFlag(ConflictPkg,pkgOrderList::Removed) == true) |
| 912 | { |
| 913 | if (Debug) |
| 914 | clog << OutputInDepth(Depth) << "But " << ConflictPkg.FullName() << " was temporarily removed in the meantime to satisfy " << End << endl; |
| 915 | } |
| 916 | else if (List->IsFlag(Pkg,pkgOrderList::Removed) == true) |
| 917 | { |
| 918 | if (Debug) |
| 919 | clog << OutputInDepth(Depth) << "But " << Pkg.FullName() << " was temporarily removed in the meantime to satisfy " << End << endl; |
| 920 | } |
| 921 | // or b) we can make one go (removal or dpkg auto-deconfigure) |
| 922 | else |
| 923 | { |
| 924 | if (Debug) |
| 925 | clog << OutputInDepth(Depth) << "So temprorary remove/deconfigure " << ConflictPkg.FullName() << " to satisfy " << End << endl; |
| 926 | if (EarlyRemove(ConflictPkg, &End) == false) |
| 927 | return _error->Error("Internal Error, Could not early remove %s (%d)",ConflictPkg.FullName().c_str(), 2); |
| 928 | } |
| 929 | } |
| 930 | else |
| 931 | _error->MergeWithStack(); |
| 932 | } |
| 933 | else |
| 934 | { |
| 935 | if (Debug) |
| 936 | clog << OutputInDepth(Depth) << "Removing " << ConflictPkg.FullName() << " now to avoid " << End << endl; |
| 937 | // no earlyremove() here as user has already agreed to the permanent removal |
| 938 | if (SmartRemove(Pkg) == false) |
| 939 | return _error->Error("Internal Error, Could not early remove %s (%d)",ConflictPkg.FullName().c_str(), 1); |
| 940 | } |
| 941 | } |
| 942 | } |
| 943 | } |
| 944 | if (i++ > max_loops) |
| 945 | return _error->Error("Internal error: APT::pkgPackageManager::MaxLoopCount reached in SmartConfigure for %s, aborting", Pkg.FullName().c_str()); |
| 946 | } while (Changed == true); |
| 947 | |
| 948 | if (SomethingBad == true) |
| 949 | return _error->Error("Couldn't configure %s, probably a dependency cycle.", Pkg.FullName().c_str()); |
| 950 | |
| 951 | if (couldBeTemporaryRemoved == true && List->IsFlag(Pkg,pkgOrderList::Removed) == true) |
| 952 | { |
| 953 | if (Debug) |
| 954 | std::clog << OutputInDepth(Depth) << "Prevent unpack as " << Pkg << " is currently temporarily removed" << std::endl; |
| 955 | return true; |
| 956 | } |
| 957 | |
| 958 | // Check for reverse conflicts. |
| 959 | if (CheckRConflicts(Pkg,Pkg.RevDependsList(), |
| 960 | instVer.VerStr()) == false) |
| 961 | return false; |
| 962 | |
| 963 | for (PrvIterator P = instVer.ProvidesList(); |
| 964 | P.end() == false; ++P) |
| 965 | if (Pkg->Group != P.OwnerPkg()->Group) |
| 966 | CheckRConflicts(Pkg,P.ParentPkg().RevDependsList(),P.ProvideVersion()); |
| 967 | |
| 968 | if (PkgLoop) |
| 969 | return true; |
| 970 | |
| 971 | List->Flag(Pkg,pkgOrderList::UnPacked,pkgOrderList::States); |
| 972 | |
| 973 | if (Immediate == true && (instVer->MultiArch & pkgCache::Version::Same) == pkgCache::Version::Same) |
| 974 | { |
| 975 | /* Do lockstep M-A:same unpacking in two phases: |
| 976 | First unpack all installed architectures, then the not installed. |
| 977 | This way we avoid that M-A: enabled packages are installed before |
| 978 | their older non-M-A enabled packages are replaced by newer versions */ |
| 979 | bool const installed = Pkg->CurrentVer != 0; |
| 980 | if (installed == true && |
| 981 | (instVer != Pkg.CurrentVer() || |
| 982 | ((Cache[Pkg].iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)) && |
| 983 | Install(Pkg,FileNames[Pkg->ID]) == false) |
| 984 | return false; |
| 985 | for (PkgIterator P = Pkg.Group().PackageList(); |
| 986 | P.end() == false; P = Pkg.Group().NextPkg(P)) |
| 987 | { |
| 988 | if (P->CurrentVer == 0 || P == Pkg || List->IsFlag(P,pkgOrderList::UnPacked) == true || |
| 989 | Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer && |
| 990 | (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall)) |
| 991 | continue; |
| 992 | if (SmartUnPack(P, false, Depth + 1) == false) |
| 993 | return false; |
| 994 | } |
| 995 | if (installed == false && Install(Pkg,FileNames[Pkg->ID]) == false) |
| 996 | return false; |
| 997 | for (PkgIterator P = Pkg.Group().PackageList(); |
| 998 | P.end() == false; P = Pkg.Group().NextPkg(P)) |
| 999 | { |
| 1000 | if (P->CurrentVer != 0 || P == Pkg || List->IsFlag(P,pkgOrderList::UnPacked) == true || |
| 1001 | List->IsFlag(P,pkgOrderList::Configured) == true || |
| 1002 | Cache[P].InstallVer == 0 || (P.CurrentVer() == Cache[P].InstallVer && |
| 1003 | (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall)) |
| 1004 | continue; |
| 1005 | if (SmartUnPack(P, false, Depth + 1) == false) |
| 1006 | return false; |
| 1007 | } |
| 1008 | } |
| 1009 | // packages which are already unpacked don't need to be unpacked again |
| 1010 | else if ((instVer != Pkg.CurrentVer() || |
| 1011 | ((Cache[Pkg].iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)) && |
| 1012 | Install(Pkg,FileNames[Pkg->ID]) == false) |
| 1013 | return false; |
| 1014 | |
| 1015 | if (Immediate == true) { |
| 1016 | // Perform immedate configuration of the package. |
| 1017 | if (SmartConfigure(Pkg, Depth + 1) == false) |
| 1018 | _error->Error(_("Could not perform immediate configuration on '%s'. " |
| 1019 | "Please see man 5 apt.conf under APT::Immediate-Configure for details. (%d)"),Pkg.FullName().c_str(),2); |
| 1020 | } |
| 1021 | |
| 1022 | return true; |
| 1023 | } |
| 1024 | /*}}}*/ |
| 1025 | // PM::OrderInstall - Installation ordering routine /*{{{*/ |
| 1026 | // --------------------------------------------------------------------- |
| 1027 | /* */ |
| 1028 | pkgPackageManager::OrderResult pkgPackageManager::OrderInstall() |
| 1029 | { |
| 1030 | if (CreateOrderList() == false) |
| 1031 | return Failed; |
| 1032 | |
| 1033 | Reset(); |
| 1034 | |
| 1035 | if (Debug == true) |
| 1036 | clog << "Beginning to order" << endl; |
| 1037 | |
| 1038 | bool const ordering = |
| 1039 | _config->FindB("PackageManager::UnpackAll",true) ? |
| 1040 | List->OrderUnpack(FileNames) : List->OrderCritical(); |
| 1041 | if (ordering == false) |
| 1042 | { |
| 1043 | _error->Error("Internal ordering error"); |
| 1044 | return Failed; |
| 1045 | } |
| 1046 | |
| 1047 | if (Debug == true) |
| 1048 | clog << "Done ordering" << endl; |
| 1049 | |
| 1050 | bool DoneSomething = false; |
| 1051 | for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I) |
| 1052 | { |
| 1053 | PkgIterator Pkg(Cache,*I); |
| 1054 | |
| 1055 | if (List->IsNow(Pkg) == false) |
| 1056 | { |
| 1057 | if (Debug == true) |
| 1058 | clog << "Skipping already done " << Pkg.FullName() << endl; |
| 1059 | continue; |
| 1060 | } |
| 1061 | |
| 1062 | if (List->IsMissing(Pkg) == true) |
| 1063 | { |
| 1064 | if (Debug == true) |
| 1065 | clog << "Sequence completed at " << Pkg.FullName() << endl; |
| 1066 | if (DoneSomething == false) |
| 1067 | { |
| 1068 | _error->Error("Internal Error, ordering was unable to handle the media swap"); |
| 1069 | return Failed; |
| 1070 | } |
| 1071 | return Incomplete; |
| 1072 | } |
| 1073 | |
| 1074 | // Sanity check |
| 1075 | if (Cache[Pkg].Keep() == true && |
| 1076 | Pkg.State() == pkgCache::PkgIterator::NeedsNothing && |
| 1077 | (Cache[Pkg].iFlags & pkgDepCache::ReInstall) != pkgDepCache::ReInstall) |
| 1078 | { |
| 1079 | _error->Error("Internal Error, trying to manipulate a kept package (%s)",Pkg.FullName().c_str()); |
| 1080 | return Failed; |
| 1081 | } |
| 1082 | |
| 1083 | // Perform a delete or an install |
| 1084 | if (Cache[Pkg].Delete() == true) |
| 1085 | { |
| 1086 | if (SmartRemove(Pkg) == false) |
| 1087 | return Failed; |
| 1088 | } |
| 1089 | else |
| 1090 | if (SmartUnPack(Pkg,List->IsFlag(Pkg,pkgOrderList::Immediate),0) == false) |
| 1091 | return Failed; |
| 1092 | DoneSomething = true; |
| 1093 | |
| 1094 | if (ImmConfigureAll) { |
| 1095 | /* ConfigureAll here to pick up and packages left unconfigured because they were unpacked in the |
| 1096 | "PreUnpack Checks" section */ |
| 1097 | if (!ConfigureAll()) |
| 1098 | return Failed; |
| 1099 | } |
| 1100 | } |
| 1101 | |
| 1102 | // Final run through the configure phase |
| 1103 | if (ConfigureAll() == false) |
| 1104 | return Failed; |
| 1105 | |
| 1106 | // Sanity check |
| 1107 | for (pkgOrderList::iterator I = List->begin(); I != List->end(); ++I) |
| 1108 | { |
| 1109 | if (List->IsFlag(*I,pkgOrderList::Configured) == false) |
| 1110 | { |
| 1111 | _error->Error("Internal error, packages left unconfigured. %s", |
| 1112 | PkgIterator(Cache,*I).FullName().c_str()); |
| 1113 | return Failed; |
| 1114 | } |
| 1115 | } |
| 1116 | |
| 1117 | return Completed; |
| 1118 | } |
| 1119 | // PM::DoInstallPostFork - compat /*{{{*/ |
| 1120 | // --------------------------------------------------------------------- |
| 1121 | /*}}}*/ |
| 1122 | pkgPackageManager::OrderResult |
| 1123 | pkgPackageManager::DoInstallPostFork(int statusFd) |
| 1124 | { |
| 1125 | APT::Progress::PackageManager *progress = new |
| 1126 | APT::Progress::PackageManagerProgressFd(statusFd); |
| 1127 | pkgPackageManager::OrderResult res = DoInstallPostFork(progress); |
| 1128 | delete progress; |
| 1129 | return res; |
| 1130 | } |
| 1131 | /*}}}*/ |
| 1132 | // PM::DoInstallPostFork - Does install part that happens after the fork /*{{{*/ |
| 1133 | // --------------------------------------------------------------------- |
| 1134 | pkgPackageManager::OrderResult |
| 1135 | pkgPackageManager::DoInstallPostFork(APT::Progress::PackageManager *progress) |
| 1136 | { |
| 1137 | bool goResult = Go(progress); |
| 1138 | if(goResult == false) |
| 1139 | return Failed; |
| 1140 | |
| 1141 | return Res; |
| 1142 | } |
| 1143 | /*}}}*/ |
| 1144 | // PM::DoInstall - Does the installation /*{{{*/ |
| 1145 | // --------------------------------------------------------------------- |
| 1146 | /* compat */ |
| 1147 | pkgPackageManager::OrderResult |
| 1148 | pkgPackageManager::DoInstall(int statusFd) |
| 1149 | { |
| 1150 | APT::Progress::PackageManager *progress = new |
| 1151 | APT::Progress::PackageManagerProgressFd(statusFd); |
| 1152 | OrderResult res = DoInstall(progress); |
| 1153 | delete progress; |
| 1154 | return res; |
| 1155 | } |
| 1156 | /*}}}*/ |
| 1157 | // PM::DoInstall - Does the installation /*{{{*/ |
| 1158 | // --------------------------------------------------------------------- |
| 1159 | /* This uses the filenames in FileNames and the information in the |
| 1160 | DepCache to perform the installation of packages.*/ |
| 1161 | pkgPackageManager::OrderResult |
| 1162 | pkgPackageManager::DoInstall(APT::Progress::PackageManager *progress) |
| 1163 | { |
| 1164 | if(DoInstallPreFork() == Failed) |
| 1165 | return Failed; |
| 1166 | |
| 1167 | return DoInstallPostFork(progress); |
| 1168 | } |
| 1169 | /*}}}*/ |