ce071b1293e512621e9b7a4c8b73b32b6f82b31d
[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          ( "single | /usr/lib/zypp/notify-message -p %p" )
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_max_concurrent_connections( 5 )
320         , download_min_download_speed   ( 0 )
321         , download_max_download_speed   ( 0 )
322         , download_max_silent_tries     ( 5 )
323         , download_transfer_timeout     ( 180 )
324         , commit_downloadMode           ( DownloadDefault )
325         , gpgCheck                      ( true )
326         , repoGpgCheck                  ( indeterminate )
327         , pkgGpgCheck                   ( indeterminate )
328         , solver_onlyRequires           ( false )
329         , solver_allowVendorChange      ( false )
330         , solver_dupAllowDowngrade      ( true )
331         , solver_dupAllowNameChange     ( true )
332         , solver_dupAllowArchChange     ( true )
333         , solver_dupAllowVendorChange   ( true )
334         , solver_cleandepsOnRemove      ( false )
335         , solver_upgradeTestcasesToKeep ( 2 )
336         , solverUpgradeRemoveDroppedPackages( true )
337         , apply_locks_file              ( true )
338         , pluginsPath                   ( "/usr/lib/zypp/plugins" )
339       {
340         MIL << "libzypp: " << VERSION << " built " << __DATE__ << " " <<  __TIME__ << endl;
341         // override_r has higest prio
342         // ZYPP_CONF might override /etc/zypp/zypp.conf
343         if ( _parsedZyppConf.empty() )
344         {
345           _parsedZyppConf = _autodetectZyppConfPath();
346         }
347         else
348         {
349           // Inject this into ZConfig. Be shure this is
350           // allocated via new. See: reconfigureZConfig
351           INT << "Reconfigure to " << _parsedZyppConf << endl;
352           ZConfig::instance()._pimpl.reset( this );
353         }
354         if ( PathInfo(_parsedZyppConf).isExist() )
355         {
356           parser::IniDict dict( _parsedZyppConf );
357           for ( IniDict::section_const_iterator sit = dict.sectionsBegin();
358                 sit != dict.sectionsEnd();
359                 ++sit )
360           {
361             string section(*sit);
362             //MIL << section << endl;
363             for ( IniDict::entry_const_iterator it = dict.entriesBegin(*sit);
364                   it != dict.entriesEnd(*sit);
365                   ++it )
366             {
367               string entry(it->first);
368               string value(it->second);
369               //DBG << (*it).first << "=" << (*it).second << endl;
370               if ( section == "main" )
371               {
372                 if ( entry == "arch" )
373                 {
374                   Arch carch( value );
375                   if ( carch != cfg_arch )
376                   {
377                     WAR << "Overriding system architecture (" << cfg_arch << "): " << carch << endl;
378                     cfg_arch = carch;
379                   }
380                 }
381                 else if ( entry == "cachedir" )
382                 {
383                   cfg_cache_path = Pathname(value);
384                 }
385                 else if ( entry == "metadatadir" )
386                 {
387                   cfg_metadata_path = Pathname(value);
388                 }
389                 else if ( entry == "solvfilesdir" )
390                 {
391                   cfg_solvfiles_path = Pathname(value);
392                 }
393                 else if ( entry == "packagesdir" )
394                 {
395                   cfg_packages_path = Pathname(value);
396                 }
397                 else if ( entry == "configdir" )
398                 {
399                   cfg_config_path = Pathname(value);
400                 }
401                 else if ( entry == "reposdir" )
402                 {
403                   cfg_known_repos_path = Pathname(value);
404                 }
405                 else if ( entry == "servicesdir" )
406                 {
407                   cfg_known_services_path = Pathname(value);
408                 }
409                 else if ( entry == "repo.add.probe" )
410                 {
411                   repo_add_probe = str::strToBool( value, repo_add_probe );
412                 }
413                 else if ( entry == "repo.refresh.delay" )
414                 {
415                   str::strtonum(value, repo_refresh_delay);
416                 }
417                 else if ( entry == "repo.refresh.locales" )
418                 {
419                   std::vector<std::string> tmp;
420                   str::split( value, back_inserter( tmp ), ", \t" );
421
422                   boost::function<Locale(const std::string &)> transform(
423                     [](const std::string & str_r)->Locale{ return Locale(str_r); }
424                   );
425                   repoRefreshLocales.insert( make_transform_iterator( tmp.begin(), transform ),
426                                              make_transform_iterator( tmp.end(), transform ) );
427                 }
428                 else if ( entry == "download.use_deltarpm" )
429                 {
430                   download_use_deltarpm = str::strToBool( value, download_use_deltarpm );
431                 }
432                 else if ( entry == "download.use_deltarpm.always" )
433                 {
434                   download_use_deltarpm_always = str::strToBool( value, download_use_deltarpm_always );
435                 }
436                 else if ( entry == "download.media_preference" )
437                 {
438                   download_media_prefer_download.restoreToDefault( str::compareCI( value, "volatile" ) != 0 );
439                 }
440                 else if ( entry == "download.max_concurrent_connections" )
441                 {
442                   str::strtonum(value, download_max_concurrent_connections);
443                 }
444                 else if ( entry == "download.min_download_speed" )
445                 {
446                   str::strtonum(value, download_min_download_speed);
447                 }
448                 else if ( entry == "download.max_download_speed" )
449                 {
450                   str::strtonum(value, download_max_download_speed);
451                 }
452                 else if ( entry == "download.max_silent_tries" )
453                 {
454                   str::strtonum(value, download_max_silent_tries);
455                 }
456                 else if ( entry == "download.transfer_timeout" )
457                 {
458                   str::strtonum(value, download_transfer_timeout);
459                   if ( download_transfer_timeout < 0 )          download_transfer_timeout = 0;
460                   else if ( download_transfer_timeout > 3600 )  download_transfer_timeout = 3600;
461                 }
462                 else if ( entry == "commit.downloadMode" )
463                 {
464                   commit_downloadMode.set( deserializeDownloadMode( value ) );
465                 }
466                 else if ( entry == "gpgcheck" )
467                 {
468                   gpgCheck.set( str::strToBool( value, gpgCheck ) );
469                 }
470                 else if ( entry == "repo_gpgcheck" )
471                 {
472                   repoGpgCheck.set( str::strToTriBool( value ) );
473                 }
474                 else if ( entry == "pkg_gpgcheck" )
475                 {
476                   pkgGpgCheck.set( str::strToTriBool( value ) );
477                 }
478                 else if ( entry == "vendordir" )
479                 {
480                   cfg_vendor_path = Pathname(value);
481                 }
482                 else if ( entry == "multiversiondir" )
483                 {
484                   cfg_multiversion_path = Pathname(value);
485                 }
486                 else if ( entry == "solver.onlyRequires" )
487                 {
488                   solver_onlyRequires.set( str::strToBool( value, solver_onlyRequires ) );
489                 }
490                 else if ( entry == "solver.allowVendorChange" )
491                 {
492                   solver_allowVendorChange.set( str::strToBool( value, solver_allowVendorChange ) );
493                 }
494                 else if ( entry == "solver.dupAllowDowngrade" )
495                 {
496                   solver_dupAllowDowngrade.set( str::strToBool( value, solver_dupAllowDowngrade ) );
497                 }
498                 else if ( entry == "solver.dupAllowNameChange" )
499                 {
500                   solver_dupAllowNameChange.set( str::strToBool( value, solver_dupAllowNameChange ) );
501                 }
502                 else if ( entry == "solver.dupAllowArchChange" )
503                 {
504                   solver_dupAllowArchChange.set( str::strToBool( value, solver_dupAllowArchChange ) );
505                 }
506                 else if ( entry == "solver.dupAllowVendorChange" )
507                 {
508                   solver_dupAllowVendorChange.set( str::strToBool( value, solver_dupAllowVendorChange ) );
509                 }
510                 else if ( entry == "solver.cleandepsOnRemove" )
511                 {
512                   solver_cleandepsOnRemove.set( str::strToBool( value, solver_cleandepsOnRemove ) );
513                 }
514                 else if ( entry == "solver.upgradeTestcasesToKeep" )
515                 {
516                   solver_upgradeTestcasesToKeep.set( str::strtonum<unsigned>( value ) );
517                 }
518                 else if ( entry == "solver.upgradeRemoveDroppedPackages" )
519                 {
520                   solverUpgradeRemoveDroppedPackages.restoreToDefault( str::strToBool( value, solverUpgradeRemoveDroppedPackages.getDefault() ) );
521                 }
522                 else if ( entry == "solver.checkSystemFile" )
523                 {
524                   solver_checkSystemFile = Pathname(value);
525                 }
526                 else if ( entry == "solver.checkSystemFileDir" )
527                 {
528                   solver_checkSystemFileDir = Pathname(value);
529                 }
530                 else if ( entry == "multiversion" )
531                 {
532                   MultiversionSpec & defSpec( _multiversionMap.getDefaultSpec() );
533                   str::splitEscaped( value, std::inserter( defSpec, defSpec.end() ), ", \t" );
534                 }
535                 else if ( entry == "locksfile.path" )
536                 {
537                   locks_file = Pathname(value);
538                 }
539                 else if ( entry == "locksfile.apply" )
540                 {
541                   apply_locks_file = str::strToBool( value, apply_locks_file );
542                 }
543                 else if ( entry == "update.datadir" )
544                 {
545                   update_data_path = Pathname(value);
546                 }
547                 else if ( entry == "update.scriptsdir" )
548                 {
549                   update_scripts_path = Pathname(value);
550                 }
551                 else if ( entry == "update.messagessdir" )
552                 {
553                   update_messages_path = Pathname(value);
554                 }
555                 else if ( entry == "update.messages.notify" )
556                 {
557                   updateMessagesNotify.set( value );
558                 }
559                 else if ( entry == "rpm.install.excludedocs" )
560                 {
561                   rpmInstallFlags.setFlag( target::rpm::RPMINST_EXCLUDEDOCS,
562                                            str::strToBool( value, false ) );
563                 }
564                 else if ( entry == "history.logfile" )
565                 {
566                   history_log_path = Pathname(value);
567                 }
568                 else if ( entry == "credentials.global.dir" )
569                 {
570                   credentials_global_dir_path = Pathname(value);
571                 }
572                 else if ( entry == "credentials.global.file" )
573                 {
574                   credentials_global_file_path = Pathname(value);
575                 }
576               }
577             }
578           }
579           //
580
581         }
582         else
583         {
584           MIL << _parsedZyppConf << " not found, using defaults instead." << endl;
585           _parsedZyppConf = _parsedZyppConf.extend( " (NOT FOUND)" );
586         }
587
588         // legacy:
589         if ( getenv( "ZYPP_TESTSUITE_FAKE_ARCH" ) )
590         {
591           Arch carch( getenv( "ZYPP_TESTSUITE_FAKE_ARCH" ) );
592           if ( carch != cfg_arch )
593           {
594             WAR << "ZYPP_TESTSUITE_FAKE_ARCH: Overriding system architecture (" << cfg_arch << "): " << carch << endl;
595             cfg_arch = carch;
596           }
597         }
598         MIL << "ZConfig singleton created." << endl;
599       }
600
601       ~Impl()
602       {}
603
604     public:
605     /** Remember any parsed zypp.conf. */
606     Pathname _parsedZyppConf;
607
608     Arch     cfg_arch;
609     Locale   cfg_textLocale;
610
611     Pathname cfg_cache_path;
612     Pathname cfg_metadata_path;
613     Pathname cfg_solvfiles_path;
614     Pathname cfg_packages_path;
615
616     Pathname cfg_config_path;
617     Pathname cfg_known_repos_path;
618     Pathname cfg_known_services_path;
619
620     Pathname cfg_vendor_path;
621     Pathname cfg_multiversion_path;
622     Pathname locks_file;
623
624     Pathname update_data_path;
625     Pathname update_scripts_path;
626     Pathname update_messages_path;
627     DefaultOption<std::string> updateMessagesNotify;
628
629     bool        repo_add_probe;
630     unsigned    repo_refresh_delay;
631     LocaleSet   repoRefreshLocales;
632     bool        repoLabelIsAlias;
633
634     bool download_use_deltarpm;
635     bool download_use_deltarpm_always;
636     DefaultOption<bool> download_media_prefer_download;
637
638     int download_max_concurrent_connections;
639     int download_min_download_speed;
640     int download_max_download_speed;
641     int download_max_silent_tries;
642     int download_transfer_timeout;
643
644     Option<DownloadMode> commit_downloadMode;
645
646     Option<bool>        gpgCheck;
647     Option<TriBool>     repoGpgCheck;
648     Option<TriBool>     pkgGpgCheck;
649
650     Option<bool>        solver_onlyRequires;
651     Option<bool>        solver_allowVendorChange;
652     Option<bool>        solver_dupAllowDowngrade;
653     Option<bool>        solver_dupAllowNameChange;
654     Option<bool>        solver_dupAllowArchChange;
655     Option<bool>        solver_dupAllowVendorChange;
656     Option<bool>        solver_cleandepsOnRemove;
657     Option<unsigned>    solver_upgradeTestcasesToKeep;
658     DefaultOption<bool> solverUpgradeRemoveDroppedPackages;
659
660     Pathname solver_checkSystemFile;
661     Pathname solver_checkSystemFileDir;
662
663     MultiversionSpec &          multiversion()          { return getMultiversion(); }
664     const MultiversionSpec &    multiversion() const    { return getMultiversion(); }
665
666     bool apply_locks_file;
667
668     target::rpm::RpmInstFlags rpmInstallFlags;
669
670     Pathname history_log_path;
671     Pathname credentials_global_dir_path;
672     Pathname credentials_global_file_path;
673
674     std::string userData;
675
676     Option<Pathname> pluginsPath;
677
678   private:
679     // HACK for bnc#906096: let pool re-evaluate multiversion spec
680     // if target root changes. ZConfig returns data sensitive to
681     // current target root.
682     // TODO Actually we'd need to scan the target systems zypp.conf and
683     // overlay all system specific values.
684     struct MultiversionMap
685     {
686       typedef std::map<Pathname,MultiversionSpec> SpecMap;
687
688       MultiversionSpec & getSpec( Pathname root_r, const Impl & zConfImpl_r )   // from system at root
689       {
690         // _specMap[]     - the plain zypp.conf value
691         // _specMap[/]    - combine [] and multiversion.d scan
692         // _specMap[root] - scan root/zypp.conf and root/multiversion.d
693
694         if ( root_r.empty() )
695           root_r == "/";
696         bool cacheHit = _specMap.count( root_r );
697         MultiversionSpec & ret( _specMap[root_r] );     // creates new entry on the fly
698
699         if ( ! cacheHit )
700         {
701           if ( root_r == "/" )
702             ret.swap( _specMap[Pathname()] );           // original zypp.conf
703           else
704             scanConfAt( root_r, ret, zConfImpl_r );     // scan zypp.conf at root_r
705           scanDirAt( root_r, ret, zConfImpl_r );        // add multiversion.d at root_r
706           using zypp::operator<<;
707           MIL << "MultiversionSpec '" << root_r << "' = " << ret << endl;
708         }
709         return ret;
710       }
711
712       MultiversionSpec & getDefaultSpec()       // Spec from zypp.conf parsing; called before any getSpec
713       { return _specMap[Pathname()]; }
714
715     private:
716       void scanConfAt( const Pathname root_r, MultiversionSpec & spec_r, const Impl & zConfImpl_r )
717       {
718         static const str::regex rx( "^multiversion *= *(.*)" );
719         str::smatch what;
720         iostr::simpleParseFile( InputStream( Pathname::assertprefix( root_r, _autodetectZyppConfPath() ) ),
721                                 [&]( int num_r, std::string line_r )->bool
722                                 {
723                                   if ( line_r[0] == 'm' && str::regex_match( line_r, what, rx ) )
724                                   {
725                                     str::splitEscaped( what[1], std::inserter( spec_r, spec_r.end() ), ", \t" );
726                                     return false;       // stop after match
727                                   }
728                                   return true;
729                                 } );
730       }
731
732       void scanDirAt( const Pathname root_r, MultiversionSpec & spec_r, const Impl & zConfImpl_r )
733       {
734         // NOTE:  Actually we'd need to scan and use the root_r! zypp.conf values.
735         Pathname multiversionDir( zConfImpl_r.cfg_multiversion_path );
736         if ( multiversionDir.empty() )
737           multiversionDir = ( zConfImpl_r.cfg_config_path.empty()
738                             ? Pathname("/etc/zypp")
739                             : zConfImpl_r.cfg_config_path ) / "multiversion.d";
740
741         filesystem::dirForEach( Pathname::assertprefix( root_r, multiversionDir ),
742                                 [&spec_r]( const Pathname & dir_r, const char *const & name_r )->bool
743                                 {
744                                   MIL << "Parsing " << dir_r/name_r << endl;
745                                   iostr::simpleParseFile( InputStream( dir_r/name_r ),
746                                                           [&spec_r]( int num_r, std::string line_r )->bool
747                                                           {
748                                                             DBG << "  found " << line_r << endl;
749                                                             spec_r.insert( std::move(line_r) );
750                                                             return true;
751                                                           } );
752                                   return true;
753                                 } );
754       }
755
756     private:
757       SpecMap _specMap;
758     };
759
760     MultiversionSpec & getMultiversion() const
761     { return _multiversionMap.getSpec( _autodetectSystemRoot(), *this ); }
762
763     mutable MultiversionMap _multiversionMap;
764   };
765   ///////////////////////////////////////////////////////////////////
766
767   // Backdoor to redirect ZConfig from within the running
768   // TEST-application. HANDLE WITH CARE!
769   void reconfigureZConfig( const Pathname & override_r )
770   {
771     // ctor puts itself unter smart pointer control.
772     new ZConfig::Impl( override_r );
773   }
774
775   ///////////////////////////////////////////////////////////////////
776   //
777   //    METHOD NAME : ZConfig::instance
778   //    METHOD TYPE : ZConfig &
779   //
780   ZConfig & ZConfig::instance()
781   {
782     static ZConfig _instance; // The singleton
783     return _instance;
784   }
785
786   ///////////////////////////////////////////////////////////////////
787   //
788   //    METHOD NAME : ZConfig::ZConfig
789   //    METHOD TYPE : Ctor
790   //
791   ZConfig::ZConfig()
792   : _pimpl( new Impl )
793   {
794     about( MIL );
795   }
796
797   ///////////////////////////////////////////////////////////////////
798   //
799   //    METHOD NAME : ZConfig::~ZConfig
800   //    METHOD TYPE : Dtor
801   //
802   ZConfig::~ZConfig( )
803   {}
804
805   Pathname ZConfig::systemRoot() const
806   { return _autodetectSystemRoot(); }
807
808   ///////////////////////////////////////////////////////////////////
809   //
810   // system architecture
811   //
812   ///////////////////////////////////////////////////////////////////
813
814   Arch ZConfig::defaultSystemArchitecture()
815   {
816     static Arch _val( _autodetectSystemArchitecture() );
817     return _val;
818   }
819
820   Arch ZConfig::systemArchitecture() const
821   { return _pimpl->cfg_arch; }
822
823   void ZConfig::setSystemArchitecture( const Arch & arch_r )
824   {
825     if ( arch_r != _pimpl->cfg_arch )
826     {
827       WAR << "Overriding system architecture (" << _pimpl->cfg_arch << "): " << arch_r << endl;
828       _pimpl->cfg_arch = arch_r;
829     }
830   }
831
832   ///////////////////////////////////////////////////////////////////
833   //
834   // text locale
835   //
836   ///////////////////////////////////////////////////////////////////
837
838   Locale ZConfig::defaultTextLocale()
839   {
840     static Locale _val( _autodetectTextLocale() );
841     return _val;
842   }
843
844   Locale ZConfig::textLocale() const
845   { return _pimpl->cfg_textLocale; }
846
847   void ZConfig::setTextLocale( const Locale & locale_r )
848   {
849     if ( locale_r != _pimpl->cfg_textLocale )
850     {
851       WAR << "Overriding text locale (" << _pimpl->cfg_textLocale << "): " << locale_r << endl;
852       _pimpl->cfg_textLocale = locale_r;
853 #warning prefer signal
854       sat::Pool::instance().setTextLocale( locale_r );
855     }
856   }
857
858   ///////////////////////////////////////////////////////////////////
859   // user data
860   ///////////////////////////////////////////////////////////////////
861
862   bool ZConfig::hasUserData() const
863   { return !_pimpl->userData.empty(); }
864
865   std::string ZConfig::userData() const
866   { return _pimpl->userData; }
867
868   bool ZConfig::setUserData( const std::string & str_r )
869   {
870     for_( ch, str_r.begin(), str_r.end() )
871     {
872       if ( *ch < ' ' && *ch != '\t' )
873       {
874         ERR << "New user data string rejectded: char " << (int)*ch << " at position " <<  (ch - str_r.begin()) << endl;
875         return false;
876       }
877     }
878     MIL << "Set user data string to '" << str_r << "'" << endl;
879     _pimpl->userData = str_r;
880     return true;
881   }
882
883   ///////////////////////////////////////////////////////////////////
884
885   Pathname ZConfig::repoCachePath() const
886   {
887     return ( _pimpl->cfg_cache_path.empty()
888         ? Pathname("/var/cache/zypp") : _pimpl->cfg_cache_path );
889   }
890
891   Pathname ZConfig::repoMetadataPath() const
892   {
893     return ( _pimpl->cfg_metadata_path.empty()
894         ? (repoCachePath()/"raw") : _pimpl->cfg_metadata_path );
895   }
896
897   Pathname ZConfig::repoSolvfilesPath() const
898   {
899     return ( _pimpl->cfg_solvfiles_path.empty()
900         ? (repoCachePath()/"solv") : _pimpl->cfg_solvfiles_path );
901   }
902
903   Pathname ZConfig::repoPackagesPath() const
904   {
905     return ( _pimpl->cfg_packages_path.empty()
906         ? (repoCachePath()/"packages") : _pimpl->cfg_packages_path );
907   }
908
909   ///////////////////////////////////////////////////////////////////
910
911   Pathname ZConfig::configPath() const
912   {
913     return ( _pimpl->cfg_config_path.empty()
914         ? Pathname("/etc/zypp") : _pimpl->cfg_config_path );
915   }
916
917   Pathname ZConfig::knownReposPath() const
918   {
919     return ( _pimpl->cfg_known_repos_path.empty()
920         ? (configPath()/"repos.d") : _pimpl->cfg_known_repos_path );
921   }
922
923   Pathname ZConfig::knownServicesPath() const
924   {
925     return ( _pimpl->cfg_known_services_path.empty()
926         ? (configPath()/"services.d") : _pimpl->cfg_known_services_path );
927   }
928
929   Pathname ZConfig::vendorPath() const
930   {
931     return ( _pimpl->cfg_vendor_path.empty()
932         ? (configPath()/"vendors.d") : _pimpl->cfg_vendor_path );
933   }
934
935   Pathname ZConfig::locksFile() const
936   {
937     return ( _pimpl->locks_file.empty()
938         ? (configPath()/"locks") : _pimpl->locks_file );
939   }
940
941   ///////////////////////////////////////////////////////////////////
942
943   bool ZConfig::repo_add_probe() const
944   { return _pimpl->repo_add_probe; }
945
946   unsigned ZConfig::repo_refresh_delay() const
947   { return _pimpl->repo_refresh_delay; }
948
949   LocaleSet ZConfig::repoRefreshLocales() const
950   { return _pimpl->repoRefreshLocales.empty() ? Target::requestedLocales("") :_pimpl->repoRefreshLocales; }
951
952   bool ZConfig::repoLabelIsAlias() const
953   { return _pimpl->repoLabelIsAlias; }
954
955   void ZConfig::repoLabelIsAlias( bool yesno_r )
956   { _pimpl->repoLabelIsAlias = yesno_r; }
957
958   bool ZConfig::download_use_deltarpm() const
959   { return _pimpl->download_use_deltarpm; }
960
961   bool ZConfig::download_use_deltarpm_always() const
962   { return download_use_deltarpm() && _pimpl->download_use_deltarpm_always; }
963
964   bool ZConfig::download_media_prefer_download() const
965   { return _pimpl->download_media_prefer_download; }
966
967   void ZConfig::set_download_media_prefer_download( bool yesno_r )
968   { _pimpl->download_media_prefer_download.set( yesno_r ); }
969
970   void ZConfig::set_default_download_media_prefer_download()
971   { _pimpl->download_media_prefer_download.restoreToDefault(); }
972
973   long ZConfig::download_max_concurrent_connections() const
974   { return _pimpl->download_max_concurrent_connections; }
975
976   long ZConfig::download_min_download_speed() const
977   { return _pimpl->download_min_download_speed; }
978
979   long ZConfig::download_max_download_speed() const
980   { return _pimpl->download_max_download_speed; }
981
982   long ZConfig::download_max_silent_tries() const
983   { return _pimpl->download_max_silent_tries; }
984
985   long ZConfig::download_transfer_timeout() const
986   { return _pimpl->download_transfer_timeout; }
987
988   DownloadMode ZConfig::commit_downloadMode() const
989   { return _pimpl->commit_downloadMode; }
990
991   bool ZConfig::gpgCheck() const
992   { return _pimpl->gpgCheck; }
993
994   TriBool ZConfig::repoGpgCheck() const
995   { return _pimpl->repoGpgCheck; }
996
997   TriBool ZConfig::pkgGpgCheck() const
998   { return _pimpl->pkgGpgCheck; }
999
1000   bool ZConfig::solver_onlyRequires() const
1001   { return _pimpl->solver_onlyRequires; }
1002
1003   bool ZConfig::solver_allowVendorChange() const
1004   { return _pimpl->solver_allowVendorChange; }
1005
1006   bool ZConfig::solver_dupAllowDowngrade() const        { return _pimpl->solver_dupAllowDowngrade; }
1007   bool ZConfig::solver_dupAllowNameChange() const       { return _pimpl->solver_dupAllowNameChange; }
1008   bool ZConfig::solver_dupAllowArchChange() const       { return _pimpl->solver_dupAllowArchChange; }
1009   bool ZConfig::solver_dupAllowVendorChange() const     { return _pimpl->solver_dupAllowVendorChange; }
1010
1011   bool ZConfig::solver_cleandepsOnRemove() const
1012   { return _pimpl->solver_cleandepsOnRemove; }
1013
1014   Pathname ZConfig::solver_checkSystemFile() const
1015   { return ( _pimpl->solver_checkSystemFile.empty()
1016       ? (configPath()/"systemCheck") : _pimpl->solver_checkSystemFile ); }
1017
1018   Pathname ZConfig::solver_checkSystemFileDir() const
1019   { return ( _pimpl->solver_checkSystemFileDir.empty()
1020       ? (configPath()/"systemCheck.d") : _pimpl->solver_checkSystemFileDir ); }
1021
1022   unsigned ZConfig::solver_upgradeTestcasesToKeep() const
1023   { return _pimpl->solver_upgradeTestcasesToKeep; }
1024
1025   bool ZConfig::solverUpgradeRemoveDroppedPackages() const              { return _pimpl->solverUpgradeRemoveDroppedPackages; }
1026   void ZConfig::setSolverUpgradeRemoveDroppedPackages( bool val_r )     { _pimpl->solverUpgradeRemoveDroppedPackages.set( val_r ); }
1027   void ZConfig::resetSolverUpgradeRemoveDroppedPackages()               { _pimpl->solverUpgradeRemoveDroppedPackages.restoreToDefault(); }
1028
1029   namespace
1030   {
1031     inline void sigMultiversionSpecChanged()
1032     {
1033       sat::detail::PoolMember::myPool().multiversionSpecChanged();
1034     }
1035   }
1036
1037   const std::set<std::string> & ZConfig::multiversionSpec() const       { return _pimpl->multiversion(); }
1038   void ZConfig::multiversionSpec( std::set<std::string> new_r )         { _pimpl->multiversion().swap( new_r );         sigMultiversionSpecChanged(); }
1039   void ZConfig::clearMultiversionSpec()                                 { _pimpl->multiversion().clear();               sigMultiversionSpecChanged(); }
1040   void ZConfig::addMultiversionSpec( const std::string & name_r )       { _pimpl->multiversion().insert( name_r );      sigMultiversionSpecChanged(); }
1041   void ZConfig::removeMultiversionSpec( const std::string & name_r )    { _pimpl->multiversion().erase( name_r );       sigMultiversionSpecChanged(); }
1042
1043   bool ZConfig::apply_locks_file() const
1044   { return _pimpl->apply_locks_file; }
1045
1046   Pathname ZConfig::update_dataPath() const
1047   {
1048     return ( _pimpl->update_data_path.empty()
1049         ? Pathname("/var/adm") : _pimpl->update_data_path );
1050   }
1051
1052   Pathname ZConfig::update_messagesPath() const
1053   {
1054     return ( _pimpl->update_messages_path.empty()
1055              ? Pathname(update_dataPath()/"update-messages") : _pimpl->update_messages_path );
1056   }
1057
1058   Pathname ZConfig::update_scriptsPath() const
1059   {
1060     return ( _pimpl->update_scripts_path.empty()
1061              ? Pathname(update_dataPath()/"update-scripts") : _pimpl->update_scripts_path );
1062   }
1063
1064   std::string ZConfig::updateMessagesNotify() const
1065   { return _pimpl->updateMessagesNotify; }
1066
1067   void ZConfig::setUpdateMessagesNotify( const std::string & val_r )
1068   { _pimpl->updateMessagesNotify.set( val_r ); }
1069
1070   void ZConfig::resetUpdateMessagesNotify()
1071   { _pimpl->updateMessagesNotify.restoreToDefault(); }
1072
1073   ///////////////////////////////////////////////////////////////////
1074
1075   target::rpm::RpmInstFlags ZConfig::rpmInstallFlags() const
1076   { return _pimpl->rpmInstallFlags; }
1077
1078
1079   Pathname ZConfig::historyLogFile() const
1080   {
1081     return ( _pimpl->history_log_path.empty() ?
1082         Pathname("/var/log/zypp/history") : _pimpl->history_log_path );
1083   }
1084
1085   Pathname ZConfig::credentialsGlobalDir() const
1086   {
1087     return ( _pimpl->credentials_global_dir_path.empty() ?
1088         Pathname("/etc/zypp/credentials.d") : _pimpl->credentials_global_dir_path );
1089   }
1090
1091   Pathname ZConfig::credentialsGlobalFile() const
1092   {
1093     return ( _pimpl->credentials_global_file_path.empty() ?
1094         Pathname("/etc/zypp/credentials.cat") : _pimpl->credentials_global_file_path );
1095   }
1096
1097   ///////////////////////////////////////////////////////////////////
1098
1099   std::string ZConfig::distroverpkg() const
1100   { return "redhat-release"; }
1101
1102   ///////////////////////////////////////////////////////////////////
1103
1104   Pathname ZConfig::pluginsPath() const
1105   { return _pimpl->pluginsPath.get(); }
1106
1107   ///////////////////////////////////////////////////////////////////
1108
1109   std::ostream & ZConfig::about( std::ostream & str ) const
1110   {
1111     str << "libzypp: " << VERSION << " built " << __DATE__ << " " <<  __TIME__ << endl;
1112
1113     str << "libsolv: " << solv_version;
1114     if ( ::strcmp( solv_version, LIBSOLV_VERSION_STRING ) )
1115       str << " (built against " << LIBSOLV_VERSION_STRING << ")";
1116     str << endl;
1117
1118     str << "zypp.conf: '" << _pimpl->_parsedZyppConf << "'" << endl;
1119     str << "TextLocale: '" << textLocale() << "' (" << defaultTextLocale() << ")" << endl;
1120     str << "SystemArchitecture: '" << systemArchitecture() << "' (" << defaultSystemArchitecture() << ")" << endl;
1121     return str;
1122   }
1123
1124   /////////////////////////////////////////////////////////////////
1125 } // namespace zypp
1126 ///////////////////////////////////////////////////////////////////