Imported Upstream version 17.17.0
[platform/upstream/libzypp.git] / zypp / ZConfig.cc
1 /*---------------------------------------------------------------------\
2 |                          ____ _   __ __ ___                          |
3 |                         |__  / \ / / . \ . \                         |
4 |                           / / \ V /|  _/  _/                         |
5 |                          / /__ | | | | | |                           |
6 |                         /_____||_| |_| |_|                           |
7 |                                                                      |
8 \---------------------------------------------------------------------*/
9 /** \file       zypp/ZConfig.cc
10  *
11 */
12 extern "C"
13 {
14 #include <features.h>
15 #include <sys/utsname.h>
16 #if __GLIBC_PREREQ (2,16)
17 #include <sys/auxv.h>   // getauxval for PPC64P7 detection
18 #endif
19 #include <unistd.h>
20 #include <solv/solvversion.h>
21 }
22 #include <iostream>
23 #include <fstream>
24 #include "zypp/base/LogTools.h"
25 #include "zypp/base/IOStream.h"
26 #include "zypp/base/InputStream.h"
27 #include "zypp/base/String.h"
28 #include "zypp/base/Regex.h"
29
30 #include "zypp/ZConfig.h"
31 #include "zypp/ZYppFactory.h"
32 #include "zypp/PathInfo.h"
33 #include "zypp/parser/IniDict.h"
34
35 #include "zypp/sat/Pool.h"
36 #include "zypp/sat/detail/PoolImpl.h"
37
38 using namespace std;
39 using namespace zypp::filesystem;
40 using namespace zypp::parser;
41
42 #undef ZYPP_BASE_LOGGER_LOGGROUP
43 #define ZYPP_BASE_LOGGER_LOGGROUP "zconfig"
44
45 ///////////////////////////////////////////////////////////////////
46 namespace zypp
47 { /////////////////////////////////////////////////////////////////
48   /** \addtogroup ZyppConfig Zypp Configuration Options
49    *
50    * The global \c zypp.conf configuration file is per default located in \c /etc/zypp/.
51    * An alternate config file can be set using the environment varaible \c ZYPP_CONF=<PATH>
52    * (see \ref zypp-envars).
53    *
54    * \section ZyppConfig_ZyppConfSample Sample zypp.conf
55    * \include ../zypp.conf
56    */
57   ///////////////////////////////////////////////////////////////////
58   namespace
59   { /////////////////////////////////////////////////////////////////
60
61     /** Determine system architecture evaluating \c uname and \c /proc/cpuinfo.
62     */
63     Arch _autodetectSystemArchitecture()
64     {
65       struct ::utsname buf;
66       if ( ::uname( &buf ) < 0 )
67       {
68         ERR << "Can't determine system architecture" << endl;
69         return Arch_noarch;
70       }
71
72       Arch architecture( buf.machine );
73       MIL << "Uname architecture is '" << buf.machine << "'" << endl;
74
75       if ( architecture == Arch_i686 )
76       {
77         // some CPUs report i686 but dont implement cx8 and cmov
78         // check for both flags in /proc/cpuinfo and downgrade
79         // to i586 if either is missing (cf bug #18885)
80         std::ifstream cpuinfo( "/proc/cpuinfo" );
81         if ( cpuinfo )
82         {
83           for( iostr::EachLine in( cpuinfo ); in; in.next() )
84           {
85             if ( str::hasPrefix( *in, "flags" ) )
86             {
87               if (    in->find( "cx8" ) == std::string::npos
88                    || in->find( "cmov" ) == std::string::npos )
89               {
90                 architecture = Arch_i586;
91                 WAR << "CPU lacks 'cx8' or 'cmov': architecture downgraded to '" << architecture << "'" << endl;
92               }
93               break;
94             }
95           }
96         }
97         else
98         {
99           ERR << "Cant open " << PathInfo("/proc/cpuinfo") << endl;
100         }
101       }
102       else if ( architecture == Arch_sparc || architecture == Arch_sparc64 )
103       {
104         // Check for sun4[vum] to get the real arch. (bug #566291)
105         std::ifstream cpuinfo( "/proc/cpuinfo" );
106         if ( cpuinfo )
107         {
108           for( iostr::EachLine in( cpuinfo ); in; in.next() )
109           {
110             if ( str::hasPrefix( *in, "type" ) )
111             {
112               if ( in->find( "sun4v" ) != std::string::npos )
113               {
114                 architecture = ( architecture == Arch_sparc64 ? Arch_sparc64v : Arch_sparcv9v );
115                 WAR << "CPU has 'sun4v': architecture upgraded to '" << architecture << "'" << endl;
116               }
117               else if ( in->find( "sun4u" ) != std::string::npos )
118               {
119                 architecture = ( architecture == Arch_sparc64 ? Arch_sparc64 : Arch_sparcv9 );
120                 WAR << "CPU has 'sun4u': architecture upgraded to '" << architecture << "'" << endl;
121               }
122               else if ( in->find( "sun4m" ) != std::string::npos )
123               {
124                 architecture = Arch_sparcv8;
125                 WAR << "CPU has 'sun4m': architecture upgraded to '" << architecture << "'" << endl;
126               }
127               break;
128             }
129           }
130         }
131         else
132         {
133           ERR << "Cant open " << PathInfo("/proc/cpuinfo") << endl;
134         }
135       }
136       else if ( architecture == Arch_armv7l || architecture == Arch_armv6l )
137       {
138         std::ifstream platform( "/etc/rpm/platform" );
139         if (platform)
140         {
141           for( iostr::EachLine in( platform ); in; in.next() )
142           {
143             if ( str::hasPrefix( *in, "armv7hl-" ) )
144             {
145               architecture = Arch_armv7hl;
146               WAR << "/etc/rpm/platform contains armv7hl-: architecture upgraded to '" << architecture << "'" << endl;
147               break;
148             }
149             if ( str::hasPrefix( *in, "armv6hl-" ) )
150             {
151               architecture = Arch_armv6hl;
152               WAR << "/etc/rpm/platform contains armv6hl-: architecture upgraded to '" << architecture << "'" << endl;
153               break;
154             }
155           }
156         }
157       }
158 #if __GLIBC_PREREQ (2,16)
159       else if ( architecture == Arch_ppc64 )
160       {
161         const char * platform = (const char *)getauxval( AT_PLATFORM );
162         int powerlvl;
163         if ( platform && sscanf( platform, "power%d", &powerlvl ) == 1 && powerlvl > 6 )
164           architecture = Arch_ppc64p7;
165       }
166 #endif
167       return architecture;
168     }
169
170      /** The locale to be used for texts and messages.
171      *
172      * For the encoding to be used the preference is
173      *
174      *    LC_ALL, LC_CTYPE, LANG
175      *
176      * For the language of the messages to be used, the preference is
177      *
178      *    LANGUAGE, LC_ALL, LC_MESSAGES, LANG
179      *
180      * Note that LANGUAGE can contain more than one locale name, it can be
181      * a list of locale names like for example
182      *
183      *    LANGUAGE=ja_JP.UTF-8:de_DE.UTF-8:fr_FR.UTF-8
184
185      * \todo Support dynamic fallbacklists defined by LANGUAGE
186      */
187     Locale _autodetectTextLocale()
188     {
189       Locale ret( Locale::enCode );
190       const char * envlist[] = { "LC_ALL", "LC_MESSAGES", "LANG", NULL };
191       for ( const char ** envvar = envlist; *envvar; ++envvar )
192       {
193         const char * envlang = getenv( *envvar );
194         if ( envlang )
195         {
196           std::string envstr( envlang );
197           if ( envstr != "POSIX" && envstr != "C" )
198           {
199             Locale lang( envstr );
200             if ( lang )
201             {
202               MIL << "Found " << *envvar << "=" << envstr << endl;
203               ret = lang;
204               break;
205             }
206           }
207         }
208       }
209       MIL << "Default text locale is '" << ret << "'" << endl;
210 #warning HACK AROUND BOOST_TEST_CATCH_SYSTEM_ERRORS
211       setenv( "BOOST_TEST_CATCH_SYSTEM_ERRORS", "no", 1 );
212       return ret;
213     }
214
215
216     inline Pathname _autodetectSystemRoot()
217     {
218       Target_Ptr target( getZYpp()->getTarget() );
219       return target ? target->root() : Pathname();
220     }
221
222     inline Pathname _autodetectZyppConfPath()
223     {
224       const char *env_confpath = getenv( "ZYPP_CONF" );
225       return env_confpath ? env_confpath : "/etc/zypp/zypp.conf";
226     }
227
228    /////////////////////////////////////////////////////////////////
229   } // namespace zypp
230   ///////////////////////////////////////////////////////////////////
231
232   /** Mutable option. */
233   template<class Tp>
234       struct Option
235       {
236         typedef Tp value_type;
237
238         /** No default ctor, explicit initialisation! */
239         Option( const value_type & initial_r )
240           : _val( initial_r )
241         {}
242
243         /** Get the value.  */
244         const value_type & get() const
245         { return _val; }
246
247         /** Autoconversion to value_type.  */
248         operator const value_type &() const
249         { return _val; }
250
251         /** Set a new value.  */
252         void set( const value_type & newval_r )
253         { _val = newval_r; }
254
255         /** Non-const reference to set a new value. */
256         value_type & ref()
257         { return _val; }
258
259         private:
260           value_type _val;
261       };
262
263   /** Mutable option with initial value also remembering a config value. */
264   template<class Tp>
265       struct DefaultOption : public Option<Tp>
266       {
267         typedef Tp         value_type;
268         typedef Option<Tp> option_type;
269
270         DefaultOption( const value_type & initial_r )
271           : Option<Tp>( initial_r ), _default( initial_r )
272         {}
273
274         /** Reset value to the current default. */
275         void restoreToDefault()
276         { this->set( _default.get() ); }
277
278         /** Reset value to a new default. */
279         void restoreToDefault( const value_type & newval_r )
280         { setDefault( newval_r ); restoreToDefault(); }
281
282         /** Get the current default value. */
283         const value_type & getDefault() const
284         { return _default.get(); }
285
286         /** Set a new default value. */
287         void setDefault( const value_type & newval_r )
288         { _default.set( newval_r ); }
289
290         private:
291           option_type _default;
292       };
293
294   ///////////////////////////////////////////////////////////////////
295   //
296   //    CLASS NAME : ZConfig::Impl
297   //
298   /** ZConfig implementation.
299    * \todo Enrich section and entry definition by some comment
300    * (including the default setting and provide some method to
301    * write this into a sample zypp.conf.
302   */
303   class ZConfig::Impl
304   {
305     typedef std::set<std::string> MultiversionSpec;
306
307     public:
308       Impl( const Pathname & override_r = Pathname() )
309         : _parsedZyppConf               ( override_r )
310         , cfg_arch                      ( defaultSystemArchitecture() )
311         , cfg_textLocale                ( defaultTextLocale() )
312         , updateMessagesNotify          ( "" )
313         , repo_add_probe                ( false )
314         , repo_refresh_delay            ( 10 )
315         , repoLabelIsAlias              ( false )
316         , download_use_deltarpm         ( true )
317         , download_use_deltarpm_always  ( false )
318         , download_media_prefer_download( true )
319         , download_mediaMountdir        ( "/var/adm/mount" )
320         , download_max_concurrent_connections( 5 )
321         , download_min_download_speed   ( 0 )
322         , download_max_download_speed   ( 0 )
323         , download_max_silent_tries     ( 5 )
324         , download_transfer_timeout     ( 180 )
325         , commit_downloadMode           ( DownloadDefault )
326         , gpgCheck                      ( true )
327         , repoGpgCheck                  ( indeterminate )
328         , pkgGpgCheck                   ( indeterminate )
329         , solver_focus                  ( ResolverFocus::Default )
330         , solver_onlyRequires           ( false )
331         , solver_allowVendorChange      ( false )
332         , solver_dupAllowDowngrade      ( true )
333         , solver_dupAllowNameChange     ( true )
334         , solver_dupAllowArchChange     ( true )
335         , solver_dupAllowVendorChange   ( true )
336         , solver_cleandepsOnRemove      ( false )
337         , solver_upgradeTestcasesToKeep ( 2 )
338         , solverUpgradeRemoveDroppedPackages( true )
339         , apply_locks_file              ( true )
340         , pluginsPath                   ( "/usr/lib/zypp/plugins" )
341       {
342         MIL << "libzypp: " << VERSION << endl;
343         // override_r has higest prio
344         // ZYPP_CONF might override /etc/zypp/zypp.conf
345         if ( _parsedZyppConf.empty() )
346         {
347           _parsedZyppConf = _autodetectZyppConfPath();
348         }
349         else
350         {
351           // Inject this into ZConfig. Be shure this is
352           // allocated via new. See: reconfigureZConfig
353           INT << "Reconfigure to " << _parsedZyppConf << endl;
354           ZConfig::instance()._pimpl.reset( this );
355         }
356         if ( PathInfo(_parsedZyppConf).isExist() )
357         {
358           parser::IniDict dict( _parsedZyppConf );
359           for ( IniDict::section_const_iterator sit = dict.sectionsBegin();
360                 sit != dict.sectionsEnd();
361                 ++sit )
362           {
363             string section(*sit);
364             //MIL << section << endl;
365             for ( IniDict::entry_const_iterator it = dict.entriesBegin(*sit);
366                   it != dict.entriesEnd(*sit);
367                   ++it )
368             {
369               string entry(it->first);
370               string value(it->second);
371               //DBG << (*it).first << "=" << (*it).second << endl;
372               if ( section == "main" )
373               {
374                 if ( entry == "arch" )
375                 {
376                   Arch carch( value );
377                   if ( carch != cfg_arch )
378                   {
379                     WAR << "Overriding system architecture (" << cfg_arch << "): " << carch << endl;
380                     cfg_arch = carch;
381                   }
382                 }
383                 else if ( entry == "cachedir" )
384                 {
385                   cfg_cache_path = Pathname(value);
386                 }
387                 else if ( entry == "metadatadir" )
388                 {
389                   cfg_metadata_path = Pathname(value);
390                 }
391                 else if ( entry == "solvfilesdir" )
392                 {
393                   cfg_solvfiles_path = Pathname(value);
394                 }
395                 else if ( entry == "packagesdir" )
396                 {
397                   cfg_packages_path = Pathname(value);
398                 }
399                 else if ( entry == "configdir" )
400                 {
401                   cfg_config_path = Pathname(value);
402                 }
403                 else if ( entry == "reposdir" )
404                 {
405                   cfg_known_repos_path = Pathname(value);
406                 }
407                 else if ( entry == "servicesdir" )
408                 {
409                   cfg_known_services_path = Pathname(value);
410                 }
411                 else if ( entry == "varsdir" )
412                 {
413                   cfg_vars_path = Pathname(value);
414                 }
415                 else if ( entry == "repo.add.probe" )
416                 {
417                   repo_add_probe = str::strToBool( value, repo_add_probe );
418                 }
419                 else if ( entry == "repo.refresh.delay" )
420                 {
421                   str::strtonum(value, repo_refresh_delay);
422                 }
423                 else if ( entry == "repo.refresh.locales" )
424                 {
425                   std::vector<std::string> tmp;
426                   str::split( value, back_inserter( tmp ), ", \t" );
427
428                   boost::function<Locale(const std::string &)> transform(
429                     [](const std::string & str_r)->Locale{ return Locale(str_r); }
430                   );
431                   repoRefreshLocales.insert( make_transform_iterator( tmp.begin(), transform ),
432                                              make_transform_iterator( tmp.end(), transform ) );
433                 }
434                 else if ( entry == "download.use_deltarpm" )
435                 {
436                   download_use_deltarpm = str::strToBool( value, download_use_deltarpm );
437                 }
438                 else if ( entry == "download.use_deltarpm.always" )
439                 {
440                   download_use_deltarpm_always = str::strToBool( value, download_use_deltarpm_always );
441                 }
442                 else if ( entry == "download.media_preference" )
443                 {
444                   download_media_prefer_download.restoreToDefault( str::compareCI( value, "volatile" ) != 0 );
445                 }
446
447                 else if ( entry == "download.media_mountdir" )
448                 {
449                   download_mediaMountdir.restoreToDefault( Pathname(value) );
450                 }
451
452                 else if ( entry == "download.max_concurrent_connections" )
453                 {
454                   str::strtonum(value, download_max_concurrent_connections);
455                 }
456                 else if ( entry == "download.min_download_speed" )
457                 {
458                   str::strtonum(value, download_min_download_speed);
459                 }
460                 else if ( entry == "download.max_download_speed" )
461                 {
462                   str::strtonum(value, download_max_download_speed);
463                 }
464                 else if ( entry == "download.max_silent_tries" )
465                 {
466                   str::strtonum(value, download_max_silent_tries);
467                 }
468                 else if ( entry == "download.transfer_timeout" )
469                 {
470                   str::strtonum(value, download_transfer_timeout);
471                   if ( download_transfer_timeout < 0 )          download_transfer_timeout = 0;
472                   else if ( download_transfer_timeout > 3600 )  download_transfer_timeout = 3600;
473                 }
474                 else if ( entry == "commit.downloadMode" )
475                 {
476                   commit_downloadMode.set( deserializeDownloadMode( value ) );
477                 }
478                 else if ( entry == "gpgcheck" )
479                 {
480                   gpgCheck.restoreToDefault( str::strToBool( value, gpgCheck ) );
481                 }
482                 else if ( entry == "repo_gpgcheck" )
483                 {
484                   repoGpgCheck.restoreToDefault( str::strToTriBool( value ) );
485                 }
486                 else if ( entry == "pkg_gpgcheck" )
487                 {
488                   pkgGpgCheck.restoreToDefault( str::strToTriBool( value ) );
489                 }
490                 else if ( entry == "vendordir" )
491                 {
492                   cfg_vendor_path = Pathname(value);
493                 }
494                 else if ( entry == "multiversiondir" )
495                 {
496                   cfg_multiversion_path = Pathname(value);
497                 }
498                 else if ( entry == "multiversion.kernels" )
499                 {
500                   cfg_kernel_keep_spec = value;
501                 }
502                 else if ( entry == "solver.focus" )
503                 {
504                   fromString( value, solver_focus );
505                 }
506                 else if ( entry == "solver.onlyRequires" )
507                 {
508                   solver_onlyRequires.set( str::strToBool( value, solver_onlyRequires ) );
509                 }
510                 else if ( entry == "solver.allowVendorChange" )
511                 {
512                   solver_allowVendorChange.set( str::strToBool( value, solver_allowVendorChange ) );
513                 }
514                 else if ( entry == "solver.dupAllowDowngrade" )
515                 {
516                   solver_dupAllowDowngrade.set( str::strToBool( value, solver_dupAllowDowngrade ) );
517                 }
518                 else if ( entry == "solver.dupAllowNameChange" )
519                 {
520                   solver_dupAllowNameChange.set( str::strToBool( value, solver_dupAllowNameChange ) );
521                 }
522                 else if ( entry == "solver.dupAllowArchChange" )
523                 {
524                   solver_dupAllowArchChange.set( str::strToBool( value, solver_dupAllowArchChange ) );
525                 }
526                 else if ( entry == "solver.dupAllowVendorChange" )
527                 {
528                   solver_dupAllowVendorChange.set( str::strToBool( value, solver_dupAllowVendorChange ) );
529                 }
530                 else if ( entry == "solver.cleandepsOnRemove" )
531                 {
532                   solver_cleandepsOnRemove.set( str::strToBool( value, solver_cleandepsOnRemove ) );
533                 }
534                 else if ( entry == "solver.upgradeTestcasesToKeep" )
535                 {
536                   solver_upgradeTestcasesToKeep.set( str::strtonum<unsigned>( value ) );
537                 }
538                 else if ( entry == "solver.upgradeRemoveDroppedPackages" )
539                 {
540                   solverUpgradeRemoveDroppedPackages.restoreToDefault( str::strToBool( value, solverUpgradeRemoveDroppedPackages.getDefault() ) );
541                 }
542                 else if ( entry == "solver.checkSystemFile" )
543                 {
544                   solver_checkSystemFile = Pathname(value);
545                 }
546                 else if ( entry == "solver.checkSystemFileDir" )
547                 {
548                   solver_checkSystemFileDir = Pathname(value);
549                 }
550                 else if ( entry == "multiversion" )
551                 {
552                   MultiversionSpec & defSpec( _multiversionMap.getDefaultSpec() );
553                   str::splitEscaped( value, std::inserter( defSpec, defSpec.end() ), ", \t" );
554                 }
555                 else if ( entry == "locksfile.path" )
556                 {
557                   locks_file = Pathname(value);
558                 }
559                 else if ( entry == "locksfile.apply" )
560                 {
561                   apply_locks_file = str::strToBool( value, apply_locks_file );
562                 }
563                 else if ( entry == "update.datadir" )
564                 {
565                   update_data_path = Pathname(value);
566                 }
567                 else if ( entry == "update.scriptsdir" )
568                 {
569                   update_scripts_path = Pathname(value);
570                 }
571                 else if ( entry == "update.messagessdir" )
572                 {
573                   update_messages_path = Pathname(value);
574                 }
575                 else if ( entry == "update.messages.notify" )
576                 {
577                   updateMessagesNotify.set( value );
578                 }
579                 else if ( entry == "rpm.install.excludedocs" )
580                 {
581                   rpmInstallFlags.setFlag( target::rpm::RPMINST_EXCLUDEDOCS,
582                                            str::strToBool( value, false ) );
583                 }
584                 else if ( entry == "history.logfile" )
585                 {
586                   history_log_path = Pathname(value);
587                 }
588                 else if ( entry == "credentials.global.dir" )
589                 {
590                   credentials_global_dir_path = Pathname(value);
591                 }
592                 else if ( entry == "credentials.global.file" )
593                 {
594                   credentials_global_file_path = Pathname(value);
595                 }
596               }
597             }
598           }
599           //
600
601         }
602         else
603         {
604           MIL << _parsedZyppConf << " not found, using defaults instead." << endl;
605           _parsedZyppConf = _parsedZyppConf.extend( " (NOT FOUND)" );
606         }
607
608         // legacy:
609         if ( getenv( "ZYPP_TESTSUITE_FAKE_ARCH" ) )
610         {
611           Arch carch( getenv( "ZYPP_TESTSUITE_FAKE_ARCH" ) );
612           if ( carch != cfg_arch )
613           {
614             WAR << "ZYPP_TESTSUITE_FAKE_ARCH: Overriding system architecture (" << cfg_arch << "): " << carch << endl;
615             cfg_arch = carch;
616           }
617         }
618         MIL << "ZConfig singleton created." << endl;
619       }
620
621       ~Impl()
622       {}
623
624     public:
625     /** Remember any parsed zypp.conf. */
626     Pathname _parsedZyppConf;
627
628     Arch     cfg_arch;
629     Locale   cfg_textLocale;
630
631     Pathname cfg_cache_path;
632     Pathname cfg_metadata_path;
633     Pathname cfg_solvfiles_path;
634     Pathname cfg_packages_path;
635
636     Pathname cfg_config_path;
637     Pathname cfg_known_repos_path;
638     Pathname cfg_known_services_path;
639     Pathname cfg_vars_path;
640     Pathname cfg_repo_mgr_root_path;
641
642     Pathname cfg_vendor_path;
643     Pathname cfg_multiversion_path;
644     std::string cfg_kernel_keep_spec;
645     Pathname locks_file;
646
647     Pathname update_data_path;
648     Pathname update_scripts_path;
649     Pathname update_messages_path;
650     DefaultOption<std::string> updateMessagesNotify;
651
652     bool        repo_add_probe;
653     unsigned    repo_refresh_delay;
654     LocaleSet   repoRefreshLocales;
655     bool        repoLabelIsAlias;
656
657     bool download_use_deltarpm;
658     bool download_use_deltarpm_always;
659     DefaultOption<bool> download_media_prefer_download;
660     DefaultOption<Pathname> download_mediaMountdir;
661
662     int download_max_concurrent_connections;
663     int download_min_download_speed;
664     int download_max_download_speed;
665     int download_max_silent_tries;
666     int download_transfer_timeout;
667
668     Option<DownloadMode> commit_downloadMode;
669
670     DefaultOption<bool>         gpgCheck;
671     DefaultOption<TriBool>      repoGpgCheck;
672     DefaultOption<TriBool>      pkgGpgCheck;
673
674     ResolverFocus       solver_focus;
675     Option<bool>        solver_onlyRequires;
676     Option<bool>        solver_allowVendorChange;
677     Option<bool>        solver_dupAllowDowngrade;
678     Option<bool>        solver_dupAllowNameChange;
679     Option<bool>        solver_dupAllowArchChange;
680     Option<bool>        solver_dupAllowVendorChange;
681     Option<bool>        solver_cleandepsOnRemove;
682     Option<unsigned>    solver_upgradeTestcasesToKeep;
683     DefaultOption<bool> solverUpgradeRemoveDroppedPackages;
684
685     Pathname solver_checkSystemFile;
686     Pathname solver_checkSystemFileDir;
687
688     MultiversionSpec &          multiversion()          { return getMultiversion(); }
689     const MultiversionSpec &    multiversion() const    { return getMultiversion(); }
690
691     bool apply_locks_file;
692
693     target::rpm::RpmInstFlags rpmInstallFlags;
694
695     Pathname history_log_path;
696     Pathname credentials_global_dir_path;
697     Pathname credentials_global_file_path;
698
699     std::string userData;
700
701     Option<Pathname> pluginsPath;
702
703   private:
704     // HACK for bnc#906096: let pool re-evaluate multiversion spec
705     // if target root changes. ZConfig returns data sensitive to
706     // current target root.
707     // TODO Actually we'd need to scan the target systems zypp.conf and
708     // overlay all system specific values.
709     struct MultiversionMap
710     {
711       typedef std::map<Pathname,MultiversionSpec> SpecMap;
712
713       MultiversionSpec & getSpec( Pathname root_r, const Impl & zConfImpl_r )   // from system at root
714       {
715         // _specMap[]     - the plain zypp.conf value
716         // _specMap[/]    - combine [] and multiversion.d scan
717         // _specMap[root] - scan root/zypp.conf and root/multiversion.d
718
719         if ( root_r.empty() )
720           root_r = "/";
721         bool cacheHit = _specMap.count( root_r );
722         MultiversionSpec & ret( _specMap[root_r] );     // creates new entry on the fly
723
724         if ( ! cacheHit )
725         {
726           if ( root_r == "/" )
727             ret.swap( _specMap[Pathname()] );           // original zypp.conf
728           else
729             scanConfAt( root_r, ret, zConfImpl_r );     // scan zypp.conf at root_r
730           scanDirAt( root_r, ret, zConfImpl_r );        // add multiversion.d at root_r
731           using zypp::operator<<;
732           MIL << "MultiversionSpec '" << root_r << "' = " << ret << endl;
733         }
734         return ret;
735       }
736
737       MultiversionSpec & getDefaultSpec()       // Spec from zypp.conf parsing; called before any getSpec
738       { return _specMap[Pathname()]; }
739
740     private:
741       void scanConfAt( const Pathname root_r, MultiversionSpec & spec_r, const Impl & zConfImpl_r )
742       {
743         static const str::regex rx( "^multiversion *= *(.*)" );
744         str::smatch what;
745         iostr::simpleParseFile( InputStream( Pathname::assertprefix( root_r, _autodetectZyppConfPath() ) ),
746                                 [&]( int num_r, std::string line_r )->bool
747                                 {
748                                   if ( line_r[0] == 'm' && str::regex_match( line_r, what, rx ) )
749                                   {
750                                     str::splitEscaped( what[1], std::inserter( spec_r, spec_r.end() ), ", \t" );
751                                     return false;       // stop after match
752                                   }
753                                   return true;
754                                 } );
755       }
756
757       void scanDirAt( const Pathname root_r, MultiversionSpec & spec_r, const Impl & zConfImpl_r )
758       {
759         // NOTE:  Actually we'd need to scan and use the root_r! zypp.conf values.
760         Pathname multiversionDir( zConfImpl_r.cfg_multiversion_path );
761         if ( multiversionDir.empty() )
762           multiversionDir = ( zConfImpl_r.cfg_config_path.empty()
763                             ? Pathname("/etc/zypp")
764                             : zConfImpl_r.cfg_config_path ) / "multiversion.d";
765
766         filesystem::dirForEach( Pathname::assertprefix( root_r, multiversionDir ),
767                                 [&spec_r]( const Pathname & dir_r, const char *const & name_r )->bool
768                                 {
769                                   MIL << "Parsing " << dir_r/name_r << endl;
770                                   iostr::simpleParseFile( InputStream( dir_r/name_r ),
771                                                           [&spec_r]( int num_r, std::string line_r )->bool
772                                                           {
773                                                             DBG << "  found " << line_r << endl;
774                                                             spec_r.insert( std::move(line_r) );
775                                                             return true;
776                                                           } );
777                                   return true;
778                                 } );
779       }
780
781     private:
782       SpecMap _specMap;
783     };
784
785     MultiversionSpec & getMultiversion() const
786     { return _multiversionMap.getSpec( _autodetectSystemRoot(), *this ); }
787
788     mutable MultiversionMap _multiversionMap;
789   };
790   ///////////////////////////////////////////////////////////////////
791
792   // Backdoor to redirect ZConfig from within the running
793   // TEST-application. HANDLE WITH CARE!
794   void reconfigureZConfig( const Pathname & override_r )
795   {
796     // ctor puts itself unter smart pointer control.
797     new ZConfig::Impl( override_r );
798   }
799
800   ///////////////////////////////////////////////////////////////////
801   //
802   //    METHOD NAME : ZConfig::instance
803   //    METHOD TYPE : ZConfig &
804   //
805   ZConfig & ZConfig::instance()
806   {
807     static ZConfig _instance; // The singleton
808     return _instance;
809   }
810
811   ///////////////////////////////////////////////////////////////////
812   //
813   //    METHOD NAME : ZConfig::ZConfig
814   //    METHOD TYPE : Ctor
815   //
816   ZConfig::ZConfig()
817   : _pimpl( new Impl )
818   {
819     about( MIL );
820   }
821
822   ///////////////////////////////////////////////////////////////////
823   //
824   //    METHOD NAME : ZConfig::~ZConfig
825   //    METHOD TYPE : Dtor
826   //
827   ZConfig::~ZConfig( )
828   {}
829
830   Pathname ZConfig::systemRoot() const
831   { return _autodetectSystemRoot(); }
832
833
834   Pathname ZConfig::repoManagerRoot() const
835   {
836     return ( _pimpl->cfg_repo_mgr_root_path.empty()
837              ? systemRoot() : _pimpl->cfg_repo_mgr_root_path );
838   }
839
840   void ZConfig::setRepoManagerRoot(const zypp::filesystem::Pathname &root)
841   { _pimpl->cfg_repo_mgr_root_path = root; }
842
843   ///////////////////////////////////////////////////////////////////
844   //
845   // system architecture
846   //
847   ///////////////////////////////////////////////////////////////////
848
849   Arch ZConfig::defaultSystemArchitecture()
850   {
851     static Arch _val( _autodetectSystemArchitecture() );
852     return _val;
853   }
854
855   Arch ZConfig::systemArchitecture() const
856   { return _pimpl->cfg_arch; }
857
858   void ZConfig::setSystemArchitecture( const Arch & arch_r )
859   {
860     if ( arch_r != _pimpl->cfg_arch )
861     {
862       WAR << "Overriding system architecture (" << _pimpl->cfg_arch << "): " << arch_r << endl;
863       _pimpl->cfg_arch = arch_r;
864     }
865   }
866
867   ///////////////////////////////////////////////////////////////////
868   //
869   // text locale
870   //
871   ///////////////////////////////////////////////////////////////////
872
873   Locale ZConfig::defaultTextLocale()
874   {
875     static Locale _val( _autodetectTextLocale() );
876     return _val;
877   }
878
879   Locale ZConfig::textLocale() const
880   { return _pimpl->cfg_textLocale; }
881
882   void ZConfig::setTextLocale( const Locale & locale_r )
883   {
884     if ( locale_r != _pimpl->cfg_textLocale )
885     {
886       WAR << "Overriding text locale (" << _pimpl->cfg_textLocale << "): " << locale_r << endl;
887       _pimpl->cfg_textLocale = locale_r;
888 #warning prefer signal
889       sat::Pool::instance().setTextLocale( locale_r );
890     }
891   }
892
893   ///////////////////////////////////////////////////////////////////
894   // user data
895   ///////////////////////////////////////////////////////////////////
896
897   bool ZConfig::hasUserData() const
898   { return !_pimpl->userData.empty(); }
899
900   std::string ZConfig::userData() const
901   { return _pimpl->userData; }
902
903   bool ZConfig::setUserData( const std::string & str_r )
904   {
905     for_( ch, str_r.begin(), str_r.end() )
906     {
907       if ( *ch < ' ' && *ch != '\t' )
908       {
909         ERR << "New user data string rejectded: char " << (int)*ch << " at position " <<  (ch - str_r.begin()) << endl;
910         return false;
911       }
912     }
913     MIL << "Set user data string to '" << str_r << "'" << endl;
914     _pimpl->userData = str_r;
915     return true;
916   }
917
918   ///////////////////////////////////////////////////////////////////
919
920   Pathname ZConfig::repoCachePath() const
921   {
922     return ( _pimpl->cfg_cache_path.empty()
923              ? Pathname("/var/cache/zypp") : _pimpl->cfg_cache_path );
924   }
925
926   Pathname ZConfig::pubkeyCachePath() const
927   {
928     return ( _pimpl->cfg_cache_path.empty()
929              ? Pathname("/var/cache/zypp/pubkeys") : _pimpl->cfg_cache_path/"pubkeys" );
930   }
931
932   void ZConfig::setRepoCachePath(const zypp::filesystem::Pathname &path_r)
933   {
934     _pimpl->cfg_cache_path = path_r;
935   }
936
937   Pathname ZConfig::repoMetadataPath() const
938   {
939     return ( _pimpl->cfg_metadata_path.empty()
940         ? (repoCachePath()/"raw") : _pimpl->cfg_metadata_path );
941   }
942
943   void ZConfig::setRepoMetadataPath(const zypp::filesystem::Pathname &path_r)
944   {
945     _pimpl->cfg_metadata_path = path_r;
946   }
947
948   Pathname ZConfig::repoSolvfilesPath() const
949   {
950     return ( _pimpl->cfg_solvfiles_path.empty()
951         ? (repoCachePath()/"solv") : _pimpl->cfg_solvfiles_path );
952   }
953
954   void ZConfig::setRepoSolvfilesPath(const zypp::filesystem::Pathname &path_r)
955   {
956     _pimpl->cfg_solvfiles_path = path_r;
957   }
958
959   Pathname ZConfig::repoPackagesPath() const
960   {
961     return ( _pimpl->cfg_packages_path.empty()
962         ? (repoCachePath()/"packages") : _pimpl->cfg_packages_path );
963   }
964
965   void ZConfig::setRepoPackagesPath(const zypp::filesystem::Pathname &path_r)
966   {
967     _pimpl->cfg_packages_path = path_r;
968   }
969
970   ///////////////////////////////////////////////////////////////////
971
972   Pathname ZConfig::configPath() const
973   {
974     return ( _pimpl->cfg_config_path.empty()
975         ? Pathname("/etc/zypp") : _pimpl->cfg_config_path );
976   }
977
978   Pathname ZConfig::knownReposPath() const
979   {
980     return ( _pimpl->cfg_known_repos_path.empty()
981         ? (configPath()/"repos.d") : _pimpl->cfg_known_repos_path );
982   }
983
984   Pathname ZConfig::knownServicesPath() const
985   {
986     return ( _pimpl->cfg_known_services_path.empty()
987         ? (configPath()/"services.d") : _pimpl->cfg_known_services_path );
988   }
989
990   Pathname ZConfig::needrebootFile() const
991   { return configPath()/"needreboot"; }
992
993   Pathname ZConfig::needrebootPath() const
994   { return configPath()/"needreboot.d"; }
995
996   Pathname ZConfig::varsPath() const
997   {
998     return ( _pimpl->cfg_vars_path.empty()
999         ? (configPath()/"vars.d") : _pimpl->cfg_vars_path );
1000   }
1001
1002   Pathname ZConfig::vendorPath() const
1003   {
1004     return ( _pimpl->cfg_vendor_path.empty()
1005         ? (configPath()/"vendors.d") : _pimpl->cfg_vendor_path );
1006   }
1007
1008   Pathname ZConfig::locksFile() const
1009   {
1010     return ( _pimpl->locks_file.empty()
1011         ? (configPath()/"locks") : _pimpl->locks_file );
1012   }
1013
1014   ///////////////////////////////////////////////////////////////////
1015
1016   bool ZConfig::repo_add_probe() const
1017   { return _pimpl->repo_add_probe; }
1018
1019   unsigned ZConfig::repo_refresh_delay() const
1020   { return _pimpl->repo_refresh_delay; }
1021
1022   LocaleSet ZConfig::repoRefreshLocales() const
1023   { return _pimpl->repoRefreshLocales.empty() ? Target::requestedLocales("") :_pimpl->repoRefreshLocales; }
1024
1025   bool ZConfig::repoLabelIsAlias() const
1026   { return _pimpl->repoLabelIsAlias; }
1027
1028   void ZConfig::repoLabelIsAlias( bool yesno_r )
1029   { _pimpl->repoLabelIsAlias = yesno_r; }
1030
1031   bool ZConfig::download_use_deltarpm() const
1032   { return _pimpl->download_use_deltarpm; }
1033
1034   bool ZConfig::download_use_deltarpm_always() const
1035   { return download_use_deltarpm() && _pimpl->download_use_deltarpm_always; }
1036
1037   bool ZConfig::download_media_prefer_download() const
1038   { return _pimpl->download_media_prefer_download; }
1039
1040   void ZConfig::set_download_media_prefer_download( bool yesno_r )
1041   { _pimpl->download_media_prefer_download.set( yesno_r ); }
1042
1043   void ZConfig::set_default_download_media_prefer_download()
1044   { _pimpl->download_media_prefer_download.restoreToDefault(); }
1045
1046   long ZConfig::download_max_concurrent_connections() const
1047   { return _pimpl->download_max_concurrent_connections; }
1048
1049   long ZConfig::download_min_download_speed() const
1050   { return _pimpl->download_min_download_speed; }
1051
1052   long ZConfig::download_max_download_speed() const
1053   { return _pimpl->download_max_download_speed; }
1054
1055   long ZConfig::download_max_silent_tries() const
1056   { return _pimpl->download_max_silent_tries; }
1057
1058   long ZConfig::download_transfer_timeout() const
1059   { return _pimpl->download_transfer_timeout; }
1060
1061   Pathname ZConfig::download_mediaMountdir() const              { return _pimpl->download_mediaMountdir; }
1062   void ZConfig::set_download_mediaMountdir( Pathname newval_r ) { _pimpl->download_mediaMountdir.set( std::move(newval_r) ); }
1063   void ZConfig::set_default_download_mediaMountdir()            { _pimpl->download_mediaMountdir.restoreToDefault(); }
1064
1065   DownloadMode ZConfig::commit_downloadMode() const
1066   { return _pimpl->commit_downloadMode; }
1067
1068
1069   bool ZConfig::gpgCheck() const                        { return _pimpl->gpgCheck; }
1070   TriBool ZConfig::repoGpgCheck() const                 { return _pimpl->repoGpgCheck; }
1071   TriBool ZConfig::pkgGpgCheck() const                  { return _pimpl->pkgGpgCheck; }
1072
1073   void ZConfig::setGpgCheck( bool val_r )               { _pimpl->gpgCheck.set( val_r ); }
1074   void ZConfig::setRepoGpgCheck( TriBool val_r )        { _pimpl->repoGpgCheck.set( val_r ); }
1075   void ZConfig::setPkgGpgCheck( TriBool val_r )         { _pimpl->pkgGpgCheck.set( val_r ); }
1076
1077   void ZConfig::resetGpgCheck()                         { _pimpl->gpgCheck.restoreToDefault(); }
1078   void ZConfig::resetRepoGpgCheck()                     { _pimpl->repoGpgCheck.restoreToDefault(); }
1079   void ZConfig::resetPkgGpgCheck()                      { _pimpl->pkgGpgCheck.restoreToDefault(); }
1080
1081   ResolverFocus ZConfig::solver_focus() const           { return _pimpl->solver_focus; }
1082
1083   bool ZConfig::solver_onlyRequires() const
1084   { return _pimpl->solver_onlyRequires; }
1085
1086   bool ZConfig::solver_allowVendorChange() const
1087   { return _pimpl->solver_allowVendorChange; }
1088
1089   bool ZConfig::solver_dupAllowDowngrade() const        { return _pimpl->solver_dupAllowDowngrade; }
1090   bool ZConfig::solver_dupAllowNameChange() const       { return _pimpl->solver_dupAllowNameChange; }
1091   bool ZConfig::solver_dupAllowArchChange() const       { return _pimpl->solver_dupAllowArchChange; }
1092   bool ZConfig::solver_dupAllowVendorChange() const     { return _pimpl->solver_dupAllowVendorChange; }
1093
1094   bool ZConfig::solver_cleandepsOnRemove() const
1095   { return _pimpl->solver_cleandepsOnRemove; }
1096
1097   Pathname ZConfig::solver_checkSystemFile() const
1098   { return ( _pimpl->solver_checkSystemFile.empty()
1099       ? (configPath()/"systemCheck") : _pimpl->solver_checkSystemFile ); }
1100
1101   Pathname ZConfig::solver_checkSystemFileDir() const
1102   { return ( _pimpl->solver_checkSystemFileDir.empty()
1103       ? (configPath()/"systemCheck.d") : _pimpl->solver_checkSystemFileDir ); }
1104
1105   unsigned ZConfig::solver_upgradeTestcasesToKeep() const
1106   { return _pimpl->solver_upgradeTestcasesToKeep; }
1107
1108   bool ZConfig::solverUpgradeRemoveDroppedPackages() const              { return _pimpl->solverUpgradeRemoveDroppedPackages; }
1109   void ZConfig::setSolverUpgradeRemoveDroppedPackages( bool val_r )     { _pimpl->solverUpgradeRemoveDroppedPackages.set( val_r ); }
1110   void ZConfig::resetSolverUpgradeRemoveDroppedPackages()               { _pimpl->solverUpgradeRemoveDroppedPackages.restoreToDefault(); }
1111
1112   namespace
1113   {
1114     inline void sigMultiversionSpecChanged()
1115     {
1116       sat::detail::PoolMember::myPool().multiversionSpecChanged();
1117     }
1118   }
1119
1120   const std::set<std::string> & ZConfig::multiversionSpec() const       { return _pimpl->multiversion(); }
1121   void ZConfig::multiversionSpec( std::set<std::string> new_r )         { _pimpl->multiversion().swap( new_r );         sigMultiversionSpecChanged(); }
1122   void ZConfig::clearMultiversionSpec()                                 { _pimpl->multiversion().clear();               sigMultiversionSpecChanged(); }
1123   void ZConfig::addMultiversionSpec( const std::string & name_r )       { _pimpl->multiversion().insert( name_r );      sigMultiversionSpecChanged(); }
1124   void ZConfig::removeMultiversionSpec( const std::string & name_r )    { _pimpl->multiversion().erase( name_r );       sigMultiversionSpecChanged(); }
1125
1126   bool ZConfig::apply_locks_file() const
1127   { return _pimpl->apply_locks_file; }
1128
1129   Pathname ZConfig::update_dataPath() const
1130   {
1131     return ( _pimpl->update_data_path.empty()
1132         ? Pathname("/var/adm") : _pimpl->update_data_path );
1133   }
1134
1135   Pathname ZConfig::update_messagesPath() const
1136   {
1137     return ( _pimpl->update_messages_path.empty()
1138              ? Pathname(update_dataPath()/"update-messages") : _pimpl->update_messages_path );
1139   }
1140
1141   Pathname ZConfig::update_scriptsPath() const
1142   {
1143     return ( _pimpl->update_scripts_path.empty()
1144              ? Pathname(update_dataPath()/"update-scripts") : _pimpl->update_scripts_path );
1145   }
1146
1147   std::string ZConfig::updateMessagesNotify() const
1148   { return _pimpl->updateMessagesNotify; }
1149
1150   void ZConfig::setUpdateMessagesNotify( const std::string & val_r )
1151   { _pimpl->updateMessagesNotify.set( val_r ); }
1152
1153   void ZConfig::resetUpdateMessagesNotify()
1154   { _pimpl->updateMessagesNotify.restoreToDefault(); }
1155
1156   ///////////////////////////////////////////////////////////////////
1157
1158   target::rpm::RpmInstFlags ZConfig::rpmInstallFlags() const
1159   { return _pimpl->rpmInstallFlags; }
1160
1161
1162   Pathname ZConfig::historyLogFile() const
1163   {
1164     return ( _pimpl->history_log_path.empty() ?
1165         Pathname("/var/log/zypp/history") : _pimpl->history_log_path );
1166   }
1167
1168   Pathname ZConfig::credentialsGlobalDir() const
1169   {
1170     return ( _pimpl->credentials_global_dir_path.empty() ?
1171         Pathname("/etc/zypp/credentials.d") : _pimpl->credentials_global_dir_path );
1172   }
1173
1174   Pathname ZConfig::credentialsGlobalFile() const
1175   {
1176     return ( _pimpl->credentials_global_file_path.empty() ?
1177         Pathname("/etc/zypp/credentials.cat") : _pimpl->credentials_global_file_path );
1178   }
1179
1180   ///////////////////////////////////////////////////////////////////
1181
1182   std::string ZConfig::distroverpkg() const
1183   { return "system-release"; }
1184
1185   ///////////////////////////////////////////////////////////////////
1186
1187   Pathname ZConfig::pluginsPath() const
1188   { return _pimpl->pluginsPath.get(); }
1189
1190   string ZConfig::multiversionKernels() const
1191   {
1192     return _pimpl->cfg_kernel_keep_spec;
1193   }
1194
1195   ///////////////////////////////////////////////////////////////////
1196
1197   std::ostream & ZConfig::about( std::ostream & str ) const
1198   {
1199     str << "libzypp: " << VERSION << endl;
1200
1201     str << "libsolv: " << solv_version;
1202     if ( ::strcmp( solv_version, LIBSOLV_VERSION_STRING ) )
1203       str << " (built against " << LIBSOLV_VERSION_STRING << ")";
1204     str << endl;
1205
1206     str << "zypp.conf: '" << _pimpl->_parsedZyppConf << "'" << endl;
1207     str << "TextLocale: '" << textLocale() << "' (" << defaultTextLocale() << ")" << endl;
1208     str << "SystemArchitecture: '" << systemArchitecture() << "' (" << defaultSystemArchitecture() << ")" << endl;
1209     return str;
1210   }
1211
1212   /////////////////////////////////////////////////////////////////
1213 } // namespace zypp
1214 ///////////////////////////////////////////////////////////////////