zypp/target/TargetImpl.cc

   1 /*---------------------------------------------------------------------\
   2 |                          ____ _   __ __ ___                          |
   3 |                         |__  / \ / / . \ . \                         |
   4 |                           / / \ V /|  _/  _/                         |
   5 |                          / /__ | | | | | |                           |
   6 |                         /_____||_| |_| |_|                           |
   7 |                                                                      |
   8 \---------------------------------------------------------------------*/
   9 /** \file       zypp/target/TargetImpl.cc
  10  *
  11 */
  12 #include <iostream>
  13 #include <fstream>
  14 #include <sstream>
  15 #include <string>
  16 #include <list>
  17 #include <set>
  18
  19 #include <sys/types.h>
  20 #include <dirent.h>
  21
  22 #include "zypp/base/LogTools.h"
  23 #include "zypp/base/Exception.h"
  24 #include "zypp/base/Iterator.h"
  25 #include "zypp/base/Gettext.h"
  26 #include "zypp/base/IOStream.h"
  27 #include "zypp/base/UserRequestException.h"
  28
  29 #include "zypp/ZConfig.h"
  30
  31 #include "zypp/PoolItem.h"
  32 #include "zypp/ResObjects.h"
  33 #include "zypp/Url.h"
  34 #include "zypp/TmpPath.h"
  35 #include "zypp/RepoStatus.h"
  36 #include "zypp/ExternalProgram.h"
  37 #include "zypp/Repository.h"
  38
  39 #include "zypp/ResFilters.h"
  40 #include "zypp/HistoryLog.h"
  41 #include "zypp/target/TargetImpl.h"
  42 #include "zypp/target/TargetCallbackReceiver.h"
  43 #include "zypp/target/rpm/librpmDb.h"
  44 #include "zypp/target/CommitPackageCache.h"
  45
  46 #include "zypp/pool/GetResolvablesToInsDel.h"
  47 #include "zypp/solver/detail/Helper.h"
  48
  49 #include "zypp/repo/DeltaCandidates.h"
  50 #include "zypp/repo/PackageProvider.h"
  51 #include "zypp/repo/SrcPackageProvider.h"
  52
  53 #include "zypp/sat/Pool.h"
  54
  55 using std::endl;
  56
  57 ///////////////////////////////////////////////////////////////////
  58 namespace zypp
  59 { /////////////////////////////////////////////////////////////////
  60   ///////////////////////////////////////////////////////////////////
  61   namespace target
  62   { /////////////////////////////////////////////////////////////////
  63
  64     ///////////////////////////////////////////////////////////////////
  65     namespace
  66     { /////////////////////////////////////////////////////////////////
  67
  68       /** Execute script and report against report_r.
  69        * Return \c std::pair<bool,PatchScriptReport::Action> to indicate if
  70        * execution was successfull (<tt>first = true</tt>), or the desired
  71        * \c PatchScriptReport::Action in case execution failed
  72        * (<tt>first = false</tt>).
  73        *
  74        * \note The packager is responsible for setting the correct permissions
  75        * of the script. If the script is not executable it is reported as an
  76        * error. We must not modify the permessions.
  77        */
  78       std::pair<bool,PatchScriptReport::Action> doExecuteScript( const Pathname & root_r,
  79                                                                  const Pathname & script_r,
  80                                                                  callback::SendReport<PatchScriptReport> & report_r )
  81       {
  82         MIL << "Execute script " << PathInfo(script_r) << endl;
  83
  84         HistoryLog historylog;
  85         historylog.comment(script_r.asString() + _(" executed"), /*timestamp*/true);
  86         ExternalProgram prog( script_r.asString(), ExternalProgram::Stderr_To_Stdout, false, -1, true /*, root_r*/ );
  87
  88         for ( std::string output = prog.receiveLine(); output.length(); output = prog.receiveLine() )
  89         {
  90           historylog.comment(output);
  91           if ( ! report_r->progress( PatchScriptReport::OUTPUT, output ) )
  92           {
  93             WAR << "User request to abort script " << script_r << endl;
  94             prog.kill();
  95             // the rest is handled by exit code evaluation
  96             // in case the script has meanwhile finished.
  97           }
  98         }
  99
 100         std::pair<bool,PatchScriptReport::Action> ret( std::make_pair( false, PatchScriptReport::ABORT ) );
 101
 102         if ( prog.close() != 0 )
 103         {
 104           ret.second = report_r->problem( prog.execError() );
 105           WAR << "ACTION" << ret.second << "(" << prog.execError() << ")" << endl;
 106           std::ostringstream sstr;
 107           sstr << script_r << _(" execution failed") << " (" << prog.execError() << ")" << endl;
 108           historylog.comment(sstr.str(), /*timestamp*/true);
 109           return ret;
 110         }
 111
 112         report_r->finish();
 113         ret.first = true;
 114         return ret;
 115       }
 116
 117       /** Execute script and report against report_r.
 118        * Return \c false if user requested \c ABORT.
 119        */
 120       bool executeScript( const Pathname & root_r,
 121                           const Pathname & script_r,
 122                           callback::SendReport<PatchScriptReport> & report_r )
 123       {
 124         std::pair<bool,PatchScriptReport::Action> action( std::make_pair( false, PatchScriptReport::ABORT ) );
 125
 126         do {
 127           action = doExecuteScript( root_r, script_r, report_r );
 128           if ( action.first )
 129             return true; // success
 130
 131           switch ( action.second )
 132           {
 133             case PatchScriptReport::ABORT:
 134               WAR << "User request to abort at script " << script_r << endl;
 135               return false; // requested abort.
 136               break;
 137
 138             case PatchScriptReport::IGNORE:
 139               WAR << "User request to skip script " << script_r << endl;
 140               return true; // requested skip.
 141               break;
 142
 143             case PatchScriptReport::RETRY:
 144               break; // again
 145           }
 146         } while ( action.second == PatchScriptReport::RETRY );
 147
 148         // THIS is not intended to be reached:
 149         INT << "Abort on unknown ACTION request " << action.second << " returned" << endl;
 150         return false; // abort.
 151       }
 152
 153       /** Look for patch scripts named 'name-version-release-*' and
 154        *  execute them. Return \c false if \c ABORT was requested.
 155        */
 156       bool RunUpdateScripts( const Pathname & root_r,
 157                              const Pathname & scriptsPath_r,
 158                              const std::vector<sat::Solvable> & checkPackages_r,
 159                              bool aborting_r )
 160       {
 161         if ( checkPackages_r.empty() )
 162           return true; // no installed packages to check
 163
 164         MIL << "Looking for new patch scripts in (" <<  root_r << ")" << scriptsPath_r << endl;
 165         Pathname scriptsDir( Pathname::assertprefix( root_r, scriptsPath_r ) );
 166         if ( ! PathInfo( scriptsDir ).isDir() )
 167           return true; // no script dir
 168
 169         std::list<std::string> scripts;
 170         filesystem::readdir( scripts, scriptsDir, /*dots*/false );
 171         if ( scripts.empty() )
 172           return true; // no scripts in script dir
 173
 174         // Now collect and execute all matching scripts.
 175         // On ABORT: at least log all outstanding scripts.
 176         bool abort = false;
 177         for_( it, checkPackages_r.begin(), checkPackages_r.end() )
 178         {
 179           std::string prefix( str::form( "%s-%s-", it->name().c_str(), it->edition().c_str() ) );
 180           for_( sit, scripts.begin(), scripts.end() )
 181           {
 182             if ( ! str::hasPrefix( *sit, prefix ) )
 183               continue;
 184
 185             PathInfo script( scriptsDir / *sit );
 186             if ( ! script.isFile() )
 187               continue;
 188
 189             if ( abort || aborting_r )
 190             {
 191               WAR << "Aborting: Skip patch script " << *sit << endl;
 192               HistoryLog().comment(
 193                   script.path().asString() + _(" execution skipped while aborting"),
 194                   /*timestamp*/true);
 195             }
 196             else
 197             {
 198               MIL << "Found patch script " << *sit << endl;
 199               callback::SendReport<PatchScriptReport> report;
 200               report->start( make<Package>( *it ), script.path() );
 201
 202               if ( ! executeScript( root_r, script.path(), report ) )
 203                 abort = true; // requested abort.
 204             }
 205           }
 206         }
 207         return !abort;
 208       }
 209
 210       /////////////////////////////////////////////////////////////////
 211     } // namespace
 212     ///////////////////////////////////////////////////////////////////
 213
 214     /** Helper for PackageProvider queries during commit. */
 215     struct QueryInstalledEditionHelper
 216     {
 217       bool operator()( const std::string & name_r,
 218                        const Edition &     ed_r,
 219                        const Arch &        arch_r ) const
 220       {
 221         rpm::librpmDb::db_const_iterator it;
 222         for ( it.findByName( name_r ); *it; ++it )
 223           {
 224             if ( arch_r == it->tag_arch()
 225                  && ( ed_r == Edition::noedition || ed_r == it->tag_edition() ) )
 226               {
 227                 return true;
 228               }
 229           }
 230         return false;
 231       }
 232     };
 233
 234     /**
 235      * \short Let the Source provide the package.
 236      * \p pool_r \ref ResPool used to get candidates
 237      * \p pi item to be commited
 238     */
 239     struct RepoProvidePackage
 240     {
 241       ResPool _pool;
 242       repo::RepoMediaAccess &_access;
 243
 244       RepoProvidePackage( repo::RepoMediaAccess &access, ResPool pool_r )
 245         : _pool(pool_r), _access(access)
 246       {
 247
 248       }
 249
 250       ManagedFile operator()( const PoolItem & pi )
 251       {
 252         // Redirect PackageProvider queries for installed editions
 253         // (in case of patch/delta rpm processing) to rpmDb.
 254         repo::PackageProviderPolicy packageProviderPolicy;
 255         packageProviderPolicy.queryInstalledCB( QueryInstalledEditionHelper() );
 256
 257         Package::constPtr p = asKind<Package>(pi.resolvable());
 258
 259
 260         // Build a repository list for repos
 261         // contributing to the pool
 262         std::list<Repository> repos( _pool.knownRepositoriesBegin(), _pool.knownRepositoriesEnd() );
 263         repo::DeltaCandidates deltas(repos, p->name());
 264         repo::PackageProvider pkgProvider( _access, p, deltas, packageProviderPolicy );
 265         return pkgProvider.providePackage();
 266       }
 267     };
 268     ///////////////////////////////////////////////////////////////////
 269
 270     IMPL_PTR_TYPE(TargetImpl);
 271
 272     TargetImpl_Ptr TargetImpl::_nullimpl;
 273
 274     /** Null implementation */
 275     TargetImpl_Ptr TargetImpl::nullimpl()
 276     {
 277       if (_nullimpl == 0)
 278         _nullimpl = new TargetImpl;
 279       return _nullimpl;
 280     }
 281
 282     ///////////////////////////////////////////////////////////////////
 283     //
 284     //  METHOD NAME : TargetImpl::TargetImpl
 285     //  METHOD TYPE : Ctor
 286     //
 287     TargetImpl::TargetImpl( const Pathname & root_r, bool doRebuild_r )
 288     : _root( root_r )
 289     , _requestedLocalesFile( home() / "RequestedLocales" )
 290     , _softLocksFile( home() / "SoftLocks" )
 291     , _hardLocksFile( Pathname::assertprefix( _root, ZConfig::instance().locksFile() ) )
 292     {
 293       _rpm.initDatabase( root_r, Pathname(), doRebuild_r );
 294
 295       HistoryLog::setRoot(_root);
 296
 297       // create the anonymous unique id
 298       // this value is used for statistics
 299       Pathname idpath( home() / "AnonymousUniqueId");
 300
 301       if ( ! PathInfo( idpath ).isExist() )
 302       {
 303           MIL << "creating anonymous unique id" << endl;
 304
 305           // if the file does not exist we need to generate the uuid file
 306           const char* argv[] =
 307           {
 308               "/usr/bin/uuidgen",
 309               "-r",
 310               "-t",
 311               NULL
 312           };
 313
 314           ExternalProgram prog( argv,
 315                                 ExternalProgram::Normal_Stderr,
 316                                 false, -1, true);
 317           std::string line;
 318           std::ofstream idfile;
 319           // make sure the path exists
 320           filesystem::assert_dir( home() );
 321           idfile.open( idpath.c_str() );
 322
 323           if ( idfile.good() )
 324           {
 325               for(line = prog.receiveLine();
 326                   ! line.empty();
 327                   line = prog.receiveLine() )
 328               {
 329                   MIL << line << endl;
 330
 331                   idfile << line;
 332               }
 333               prog.close();
 334           }
 335           else
 336           {
 337               // FIXME, should we ignore the error?
 338               ZYPP_THROW(Exception("Can't open anonymous id file '" + idpath.asString() + "' for writing"));
 339           }
 340       }
 341
 342       MIL << "Initialized target on " << _root << endl;
 343     }
 344
 345     ///////////////////////////////////////////////////////////////////
 346     //
 347     //  METHOD NAME : TargetImpl::~TargetImpl
 348     //  METHOD TYPE : Dtor
 349     //
 350     TargetImpl::~TargetImpl()
 351     {
 352       _rpm.closeDatabase();
 353       MIL << "Targets closed" << endl;
 354     }
 355
 356     void TargetImpl::clearCache()
 357     {
 358       Pathname base = Pathname::assertprefix( _root,
 359                                               ZConfig::instance().repoSolvfilesPath() / sat::Pool::instance().systemRepoAlias() );
 360       filesystem::recursive_rmdir( base );
 361     }
 362
 363     void TargetImpl::buildCache()
 364     {
 365       Pathname base = Pathname::assertprefix( _root,
 366                                               ZConfig::instance().repoSolvfilesPath() / sat::Pool::instance().systemRepoAlias() );
 367       Pathname rpmsolv       = base/"solv";
 368       Pathname rpmsolvcookie = base/"cookie";
 369
 370       bool build_rpm_solv = true;
 371       // lets see if the rpm solv cache exists
 372
 373       RepoStatus rpmstatus(_root + "/var/lib/rpm/Name");
 374       bool solvexisted = PathInfo(rpmsolv).isExist();
 375       if ( solvexisted )
 376       {
 377         // see the status of the cache
 378         PathInfo cookie( rpmsolvcookie );
 379         MIL << "Read cookie: " << cookie << endl;
 380         if ( cookie.isExist() )
 381         {
 382           RepoStatus status = RepoStatus::fromCookieFile(rpmsolvcookie);
 383           // now compare it with the rpm database
 384           if ( status.checksum() == rpmstatus.checksum() )
 385             build_rpm_solv = false;
 386           MIL << "Read cookie: " << rpmsolvcookie << " says: "
 387               << (build_rpm_solv ? "outdated" : "uptodate") << endl;
 388         }
 389       }
 390
 391       if ( build_rpm_solv )
 392       {
 393         // Take care we unlink the solvfile on exception
 394         ManagedFile guard( base, filesystem::recursive_rmdir );
 395
 396         // if it does not exist yet, we better create it
 397         filesystem::assert_dir( base );
 398
 399         filesystem::TmpFile tmpsolv( filesystem::TmpFile::makeSibling( rpmsolv ) );
 400         if (!tmpsolv)
 401         {
 402           Exception ex("Failed to cache rpm database.");
 403           ex.remember(str::form(
 404               "Cannot create temporary file under %s.", base.c_str()));
 405           ZYPP_THROW(ex);
 406         }
 407
 408         std::ostringstream cmd;
 409         cmd << "rpmdb2solv";
 410         if ( ! _root.empty() )
 411           cmd << " -r '" << _root << "'";
 412
 413         cmd << " -p '" << Pathname::assertprefix( _root, "/etc/products.d" ) << "'";
 414
 415         if ( solvexisted )
 416           cmd << " '" << rpmsolv << "'";
 417
 418         cmd << "  > '" << tmpsolv.path() << "'";
 419
 420         MIL << "Executing: " << cmd << endl;
 421         ExternalProgram prog( cmd.str(), ExternalProgram::Stderr_To_Stdout );
 422
 423         cmd << endl;
 424         for ( std::string output( prog.receiveLine() ); output.length(); output = prog.receiveLine() ) {
 425           WAR << "  " << output;
 426           cmd << "     " << output;
 427         }
 428
 429         int ret = prog.close();
 430         if ( ret != 0 )
 431         {
 432           Exception ex(str::form("Failed to cache rpm database (%d).", ret));
 433           ex.remember( cmd.str() );
 434           ZYPP_THROW(ex);
 435         }
 436
 437         ret = filesystem::rename( tmpsolv, rpmsolv );
 438         if ( ret != 0 )
 439           ZYPP_THROW(Exception("Failed to move cache to final destination"));
 440         // if this fails, don't bother throwing exceptions
 441         filesystem::chmod( rpmsolv, 0644 );
 442
 443         rpmstatus.saveToCookieFile(rpmsolvcookie);
 444
 445         // We keep it.
 446         guard.resetDispose();
 447       }
 448     }
 449
 450     void TargetImpl::unload()
 451     {
 452       Repository system( sat::Pool::instance().findSystemRepo() );
 453       if ( system )
 454         system.eraseFromPool();
 455     }
 456
 457
 458     void TargetImpl::load()
 459     {
 460       buildCache();
 461
 462       // now add the repos to the pool
 463       sat::Pool satpool( sat::Pool::instance() );
 464       Pathname rpmsolv( Pathname::assertprefix( _root,
 465                         ZConfig::instance().repoSolvfilesPath() / satpool.systemRepoAlias() / "solv" ) );
 466       MIL << "adding " << rpmsolv << " to pool(" << satpool.systemRepoAlias() << ")" << endl;
 467
 468       // Providing an empty system repo, unload any old content
 469       Repository system( sat::Pool::instance().findSystemRepo() );
 470       if ( system && ! system.solvablesEmpty() )
 471       {
 472         system.eraseFromPool(); // invalidates system
 473       }
 474       if ( ! system )
 475       {
 476         system = satpool.systemRepo();
 477       }
 478
 479       try
 480       {
 481         system.addSolv( rpmsolv );
 482       }
 483       catch ( const Exception & exp )
 484       {
 485         ZYPP_CAUGHT( exp );
 486         MIL << "Try to handle exception by rebuilding the solv-file" << endl;
 487         clearCache();
 488         buildCache();
 489
 490         system.addSolv( rpmsolv );
 491       }
 492
 493       // (Re)Load the requested locales et al.
 494       // If the requested locales are empty, we leave the pool untouched
 495       // to avoid undoing changes the application applied. We expect this
 496       // to happen on a bare metal installation only. An already existing
 497       // target should be loaded before its settings are changed.
 498       {
 499         const LocaleSet & requestedLocales( _requestedLocalesFile.locales() );
 500         if ( ! requestedLocales.empty() )
 501         {
 502           satpool.setRequestedLocales( requestedLocales );
 503         }
 504       }
 505       {
 506         const SoftLocksFile::Data & softLocks( _softLocksFile.data() );
 507         if ( ! softLocks.empty() )
 508         {
 509           ResPool::instance().setAutoSoftLocks( softLocks );
 510         }
 511       }
 512       if ( ZConfig::instance().apply_locks_file() )
 513       {
 514         const HardLocksFile::Data & hardLocks( _hardLocksFile.data() );
 515         if ( ! hardLocks.empty() )
 516         {
 517           ResPool::instance().setHardLockQueries( hardLocks );
 518         }
 519       }
 520
 521
 522       MIL << "Target loaded: " << system.solvablesSize() << " resolvables" << endl;
 523     }
 524
 525     ZYppCommitResult TargetImpl::commit( ResPool pool_r, const ZYppCommitPolicy & policy_rX )
 526     {
 527       // ----------------------------------------------------------------- //
 528       // Fake outstanding YCP fix: Honour restriction to media 1
 529       // at installation, but install all remaining packages if post-boot.
 530       ZYppCommitPolicy policy_r( policy_rX );
 531       if ( policy_r.restrictToMedia() > 1 )
 532         policy_r.allMedia();
 533       // ----------------------------------------------------------------- //
 534
 535       MIL << "TargetImpl::commit(<pool>, " << policy_r << ")" << endl;
 536
 537       ///////////////////////////////////////////////////////////////////
 538       // Store non-package data:
 539       ///////////////////////////////////////////////////////////////////
 540       filesystem::assert_dir( home() );
 541       // requested locales
 542       _requestedLocalesFile.setLocales( pool_r.getRequestedLocales() );
 543       // weak locks
 544       {
 545         SoftLocksFile::Data newdata;
 546         pool_r.getActiveSoftLocks( newdata );
 547         _softLocksFile.setData( newdata );
 548       }
 549       // hard locks
 550       if ( ZConfig::instance().apply_locks_file() )
 551       {
 552         HardLocksFile::Data newdata;
 553         pool_r.getHardLockQueries( newdata );
 554         _hardLocksFile.setData( newdata );
 555       }
 556
 557       ///////////////////////////////////////////////////////////////////
 558       // Process packages:
 559       ///////////////////////////////////////////////////////////////////
 560
 561       DBG << "commit log file is set to: " << HistoryLog::fname() << endl;
 562
 563       ZYppCommitResult result;
 564
 565       TargetImpl::PoolItemList to_uninstall;
 566       TargetImpl::PoolItemList to_install;
 567       TargetImpl::PoolItemList to_srcinstall;
 568       {
 569
 570         pool::GetResolvablesToInsDel
 571         collect( pool_r, policy_r.restrictToMedia() ? pool::GetResolvablesToInsDel::ORDER_BY_MEDIANR
 572                  : pool::GetResolvablesToInsDel::ORDER_BY_SOURCE );
 573         MIL << "GetResolvablesToInsDel: " << endl << collect << endl;
 574         to_uninstall.swap( collect._toDelete );
 575         to_install.swap( collect._toInstall );
 576         to_srcinstall.swap( collect._toSrcinstall );
 577       }
 578
 579       if ( policy_r.restrictToMedia() )
 580       {
 581         MIL << "Restrict to media number " << policy_r.restrictToMedia() << endl;
 582       }
 583
 584       ///////////////////////////////////////////////////////////////////
 585       // First collect and display all messages
 586       // associated with patches to be installed.
 587       ///////////////////////////////////////////////////////////////////
 588       for_( it, to_install.begin(), to_install.end() )
 589       {
 590         if ( ! isKind<Patch>(it->resolvable()) )
 591           continue;
 592         if ( ! it->status().isToBeInstalled() )
 593           continue;
 594
 595         Patch::constPtr patch( asKind<Patch>(it->resolvable()) );
 596         if ( ! patch->message().empty() )
 597         {
 598           MIL << "Show message for " << patch << endl;
 599           callback::SendReport<target::PatchMessageReport> report;
 600           if ( ! report->show( patch ) )
 601           {
 602             WAR << "commit aborted by the user" << endl;
 603             ZYPP_THROW( TargetAbortedException( N_("Installation has been aborted as directed.") ) );
 604           }
 605         }
 606       }
 607
 608       ///////////////////////////////////////////////////////////////////
 609       // Remove/install packages.
 610       ///////////////////////////////////////////////////////////////////
 611      commit (to_uninstall, policy_r, pool_r );
 612
 613       if (policy_r.restrictToMedia() == 0)
 614       {                 // commit all
 615         result._remaining = commit( to_install, policy_r, pool_r );
 616         result._srcremaining = commit( to_srcinstall, policy_r, pool_r );
 617       }
 618       else
 619       {
 620         TargetImpl::PoolItemList current_install;
 621         TargetImpl::PoolItemList current_srcinstall;
 622
 623         // Collect until the 1st package from an unwanted media occurs.
 624         // Further collection could violate install order.
 625         bool hitUnwantedMedia = false;
 626         for (TargetImpl::PoolItemList::iterator it = to_install.begin(); it != to_install.end(); ++it)
 627         {
 628           ResObject::constPtr res( it->resolvable() );
 629
 630           if ( hitUnwantedMedia
 631                || ( res->mediaNr() && res->mediaNr() != policy_r.restrictToMedia() ) )
 632           {
 633             hitUnwantedMedia = true;
 634             result._remaining.push_back( *it );
 635           }
 636           else
 637           {
 638             current_install.push_back( *it );
 639           }
 640         }
 641
 642         TargetImpl::PoolItemList bad = commit( current_install, policy_r, pool_r );
 643         result._remaining.insert(result._remaining.end(), bad.begin(), bad.end());
 644
 645         for (TargetImpl::PoolItemList::iterator it = to_srcinstall.begin(); it != to_srcinstall.end(); ++it)
 646         {
 647           Resolvable::constPtr res( it->resolvable() );
 648           Package::constPtr pkg( asKind<Package>(res) );
 649           if (pkg && policy_r.restrictToMedia() != pkg->mediaNr()) // check medianr for packages only
 650           {
 651             XXX << "Package " << *pkg << ", wrong media " << pkg->mediaNr() << endl;
 652             result._srcremaining.push_back( *it );
 653           }
 654           else
 655           {
 656             current_srcinstall.push_back( *it );
 657           }
 658         }
 659         bad = commit( current_srcinstall, policy_r, pool_r );
 660         result._srcremaining.insert(result._srcremaining.end(), bad.begin(), bad.end());
 661       }
 662
 663       ///////////////////////////////////////////////////////////////////
 664       // Try to rebuild solv file while rpm database is still in cache.
 665       ///////////////////////////////////////////////////////////////////
 666       buildCache();
 667
 668       result._result = (to_install.size() - result._remaining.size());
 669       MIL << "TargetImpl::commit(<pool>, " << policy_r << ") returns: " << result << endl;
 670       return result;
 671     }
 672
 673
 674     TargetImpl::PoolItemList
 675     TargetImpl::commit( const TargetImpl::PoolItemList & items_r,
 676                         const ZYppCommitPolicy & policy_r,
 677                         const ResPool & pool_r )
 678     {
 679       TargetImpl::PoolItemList remaining;
 680       repo::RepoMediaAccess access;
 681       MIL << "TargetImpl::commit(<list>" << policy_r << ")" << items_r.size() << endl;
 682
 683       bool abort = false;
 684       std::vector<sat::Solvable> successfullyInstalledPackages;
 685
 686       RepoProvidePackage repoProvidePackage( access, pool_r);
 687       // prepare the package cache.
 688       CommitPackageCache packageCache( items_r.begin(), items_r.end(),
 689                                        root() / "tmp", repoProvidePackage );
 690
 691       for (TargetImpl::PoolItemList::const_iterator it = items_r.begin(); it != items_r.end(); it++)
 692       {
 693         if (isKind<Package>(it->resolvable()))
 694         {
 695           Package::constPtr p = asKind<Package>(it->resolvable());
 696           if (it->status().isToBeInstalled())
 697           {
 698             ManagedFile localfile;
 699             try
 700             {
 701               localfile = packageCache.get( it );
 702             }
 703             catch ( const SkipRequestException &e )
 704             {
 705               ZYPP_CAUGHT( e );
 706               WAR << "Skipping package " << p << " in commit" << endl;
 707               continue;
 708             }
 709 #if 0
 710             // bnc #395704: missing catch causes abort. see if packageCache fails to handle
 711             // errors correctly.
 712             catch ( const Exception &e )
 713             {
 714               ZYPP_CAUGHT( e );
 715               SEC << e << endl;
 716             }
 717 #endif
 718
 719 #warning Exception handling
 720             // create a installation progress report proxy
 721             RpmInstallPackageReceiver progress( it->resolvable() );
 722             progress.connect();
 723             bool success = true;
 724             rpm::RpmInstFlags flags;
 725             // Why force and nodeps?
 726             //
 727             // Because zypp builds the transaction and the resolver asserts that
 728             // everything is fine.
 729             // We use rpm just to unpack and register the package in the database.
 730             // We do this step by step, so rpm is not aware of the bigger context.
 731             // So we turn off rpms internal checks, because we do it inside zypp.
 732             flags |= rpm::RPMINST_NODEPS;
 733             flags |= rpm::RPMINST_FORCE;
 734             //
 735             if (p->installOnly())          flags |= rpm::RPMINST_NOUPGRADE;
 736             if (policy_r.dryRun())         flags |= rpm::RPMINST_TEST;
 737             if (policy_r.rpmExcludeDocs()) flags |= rpm::RPMINST_EXCLUDEDOCS;
 738             if (policy_r.rpmNoSignature()) flags |= rpm::RPMINST_NOSIGNATURE;
 739
 740             try
 741             {
 742               progress.tryLevel( target::rpm::InstallResolvableReport::RPM_NODEPS_FORCE );
 743               rpm().installPackage( localfile, flags );
 744               HistoryLog().install(*it);
 745
 746               if ( progress.aborted() )
 747               {
 748                 WAR << "commit aborted by the user" << endl;
 749                 progress.disconnect();
 750                 success = false;
 751                 abort = true;
 752                 break;
 753               }
 754             }
 755             catch (Exception & excpt_r)
 756             {
 757               ZYPP_CAUGHT(excpt_r);
 758               if ( policy_r.dryRun() )
 759               {
 760                 WAR << "dry run failed" << endl;
 761                 progress.disconnect();
 762                 break;
 763               }
 764               // else
 765               WAR << "Install failed" << endl;
 766               remaining.push_back( *it );
 767               progress.disconnect();
 768               success = false;
 769               break;
 770             }
 771
 772             if ( success && !policy_r.dryRun() )
 773             {
 774               it->status().resetTransact( ResStatus::USER );
 775               // Remember to check this package for presence of patch scripts.
 776               successfullyInstalledPackages.push_back( it->satSolvable() );
 777             }
 778             progress.disconnect();
 779           }
 780           else
 781           {
 782             bool success = true;
 783
 784             RpmRemovePackageReceiver progress( it->resolvable() );
 785             progress.connect();
 786             rpm::RpmInstFlags flags( rpm::RPMINST_NODEPS );
 787             if (policy_r.dryRun()) flags |= rpm::RPMINST_TEST;
 788             try
 789             {
 790               rpm().removePackage( p, flags );
 791               HistoryLog().remove(*it);
 792
 793               if ( progress.aborted() )
 794               {
 795                 WAR << "commit aborted by the user" << endl;
 796                 progress.disconnect();
 797                 success = false;
 798                 abort = true;
 799                 break;
 800               }
 801             }
 802             catch (Exception & excpt_r)
 803             {
 804               WAR << "removal of " << p << " failed";
 805               success = false;
 806               ZYPP_CAUGHT( excpt_r );
 807             }
 808             if (success
 809                 && !policy_r.dryRun())
 810             {
 811               it->status().resetTransact( ResStatus::USER );
 812             }
 813             progress.disconnect();
 814           }
 815         }
 816         else if (!policy_r.dryRun()) // other resolvables (non-Package)
 817         {
 818             if (it->buddy() == sat::Solvable())
 819             {
 820                 // Reset transaction only if this solvable has no buddy (Bug #417799)
 821                 // e.g. do not reset Products cause the concerning release package
 822                 // could not already be installed.
 823                 it->status().resetTransact( ResStatus::USER );
 824             }
 825         }  // other resolvables
 826
 827       } // for
 828
 829       // Check presence of patch scripts. If aborting, at least log
 830       // omitted scripts.
 831       if ( ! successfullyInstalledPackages.empty() )
 832       {
 833         if ( ! RunUpdateScripts( _root, ZConfig::instance().update_scriptsPath(),
 834                                  successfullyInstalledPackages, abort ) )
 835         {
 836           WAR << "Commit aborted by the user" << endl;
 837           abort = true;
 838         }
 839       }
 840
 841       if ( abort )
 842       {
 843         ZYPP_THROW( TargetAbortedException( N_("Installation has been aborted as directed.") ) );
 844       }
 845
 846      return remaining;
 847     }
 848
 849     rpm::RpmDb & TargetImpl::rpm()
 850     {
 851       return _rpm;
 852     }
 853
 854     bool TargetImpl::providesFile (const std::string & path_str, const std::string & name_str) const
 855     {
 856       return _rpm.hasFile(path_str, name_str);
 857     }
 858
 859
 860     Date TargetImpl::timestamp() const
 861     {
 862       return _rpm.timestamp();
 863     }
 864
 865     ///////////////////////////////////////////////////////////////////
 866
 867     std::string TargetImpl::release() const
 868     {
 869       std::ifstream suseRelease( (_root / "/etc/SuSE-release").c_str() );
 870       for( iostr::EachLine in( suseRelease ); in; in.next() )
 871       {
 872         std::string line( str::trim( *in ) );
 873         if ( ! line.empty() )
 874           return line;
 875       }
 876
 877       return _("Unknown Distribution");
 878     }
 879
 880     ///////////////////////////////////////////////////////////////////
 881
 882     namespace
 883     {
 884       std::string rpmdb2solvAttr( const std::string & attr_r, const Pathname & root_r )
 885       {
 886         std::ostringstream cmd;
 887         cmd << "rpmdb2solv";
 888         cmd << " -n";
 889         if ( ! root_r.empty() )
 890           cmd << " -r '" << root_r << "'";
 891         cmd << " -p '" << Pathname::assertprefix( root_r, "/etc/products.d" ) << "'";
 892         cmd << " -a " << attr_r;
 893
 894         MIL << "Executing: " << cmd << endl;
 895         ExternalProgram prog( cmd.str(), ExternalProgram::Discard_Stderr );
 896         for ( std::string output( prog.receiveLine() ); output.length(); output = prog.receiveLine() )
 897         {
 898           return str::trim(output);
 899         }
 900
 901         int ret = prog.close();
 902         WAR << "Got no output from rpmdb2solv (returned " << ret << ")." << endl;
 903
 904         return std::string();
 905       }
 906     }
 907
 908     std::string TargetImpl::targetDistribution() const
 909     { return rpmdb2solvAttr( "register.target", _root ); }
 910
 911     std::string TargetImpl::targetDistributionRelease() const
 912     { return rpmdb2solvAttr( "register.release", _root ); }
 913
 914     ///////////////////////////////////////////////////////////////////
 915
 916     std::string TargetImpl::anonymousUniqueId() const
 917     {
 918         std::ifstream idfile( ( home() / "AnonymousUniqueId" ).c_str() );
 919         for( iostr::EachLine in( idfile ); in; in.next() )
 920         {
 921             std::string line( str::trim( *in ) );
 922             if ( ! line.empty() )
 923                 return line;
 924         }
 925         return std::string();
 926     }
 927
 928     ///////////////////////////////////////////////////////////////////
 929
 930     void TargetImpl::installSrcPackage( const SrcPackage_constPtr & srcPackage_r )
 931     {
 932       // provide on local disk
 933       repo::RepoMediaAccess access_r;
 934       repo::SrcPackageProvider prov( access_r );
 935       ManagedFile localfile = prov.provideSrcPackage( srcPackage_r );
 936       // install it
 937       rpm().installPackage ( localfile );
 938     }
 939
 940     /////////////////////////////////////////////////////////////////
 941   } // namespace target
 942   ///////////////////////////////////////////////////////////////////
 943   /////////////////////////////////////////////////////////////////
 944 } // namespace zypp
 945 ///////////////////////////////////////////////////////////////////