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82e369c4 MV |
1 | // Include Files /*{{{*/ |
2 | #include <config.h> | |
3 | ||
4 | #include <apt-pkg/algorithms.h> | |
82e369c4 | 5 | #include <apt-pkg/configuration.h> |
82e369c4 | 6 | #include <apt-pkg/edsp.h> |
453b82a3 | 7 | #include <apt-pkg/error.h> |
82e369c4 | 8 | #include <apt-pkg/progress.h> |
453b82a3 DK |
9 | #include <apt-pkg/upgrade.h> |
10 | #include <apt-pkg/depcache.h> | |
11 | #include <apt-pkg/pkgcache.h> | |
12 | #include <apt-pkg/cacheiterators.h> | |
82e369c4 | 13 | |
453b82a3 | 14 | #include <string> |
82e369c4 MV |
15 | |
16 | #include <apti18n.h> | |
17 | /*}}}*/ | |
18 | ||
19 | // DistUpgrade - Distribution upgrade /*{{{*/ | |
20 | // --------------------------------------------------------------------- | |
21 | /* This autoinstalls every package and then force installs every | |
22 | pre-existing package. This creates the initial set of conditions which | |
23 | most likely contain problems because too many things were installed. | |
24 | ||
25 | The problem resolver is used to resolve the problems. | |
26 | */ | |
fa5404ab | 27 | static bool pkgDistUpgrade(pkgDepCache &Cache, OpProgress * const Progress) |
82e369c4 MV |
28 | { |
29 | std::string const solver = _config->Find("APT::Solver", "internal"); | |
3a487cc0 | 30 | auto const ret = EDSP::ResolveExternal(solver.c_str(), Cache, EDSP::Request::UPGRADE_ALL, Progress); |
2a884c61 | 31 | if (solver != "internal") |
3a487cc0 | 32 | return ret; |
2a884c61 DK |
33 | |
34 | if (Progress != NULL) | |
35 | Progress->OverallProgress(0, 100, 1, _("Calculating upgrade")); | |
82e369c4 MV |
36 | |
37 | pkgDepCache::ActionGroup group(Cache); | |
38 | ||
39 | /* Upgrade all installed packages first without autoinst to help the resolver | |
40 | in versioned or-groups to upgrade the old solver instead of installing | |
41 | a new one (if the old solver is not the first one [anymore]) */ | |
42 | for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) | |
43 | if (I->CurrentVer != 0) | |
44 | Cache.MarkInstall(I, false, 0, false); | |
45 | ||
2a884c61 DK |
46 | if (Progress != NULL) |
47 | Progress->Progress(10); | |
48 | ||
82e369c4 MV |
49 | /* Auto upgrade all installed packages, this provides the basis |
50 | for the installation */ | |
51 | for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) | |
52 | if (I->CurrentVer != 0) | |
53 | Cache.MarkInstall(I, true, 0, false); | |
54 | ||
2a884c61 DK |
55 | if (Progress != NULL) |
56 | Progress->Progress(50); | |
57 | ||
82e369c4 MV |
58 | /* Now, install each essential package which is not installed |
59 | (and not provided by another package in the same name group) */ | |
60 | std::string essential = _config->Find("pkgCacheGen::Essential", "all"); | |
61 | if (essential == "all") | |
62 | { | |
63 | for (pkgCache::GrpIterator G = Cache.GrpBegin(); G.end() == false; ++G) | |
64 | { | |
65 | bool isEssential = false; | |
66 | bool instEssential = false; | |
67 | for (pkgCache::PkgIterator P = G.PackageList(); P.end() == false; P = G.NextPkg(P)) | |
68 | { | |
69 | if ((P->Flags & pkgCache::Flag::Essential) != pkgCache::Flag::Essential) | |
70 | continue; | |
71 | isEssential = true; | |
72 | if (Cache[P].Install() == true) | |
73 | { | |
74 | instEssential = true; | |
75 | break; | |
76 | } | |
77 | } | |
78 | if (isEssential == false || instEssential == true) | |
79 | continue; | |
80 | pkgCache::PkgIterator P = G.FindPreferredPkg(); | |
81 | Cache.MarkInstall(P, true, 0, false); | |
82 | } | |
83 | } | |
84 | else if (essential != "none") | |
85 | for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) | |
86 | if ((I->Flags & pkgCache::Flag::Essential) == pkgCache::Flag::Essential) | |
87 | Cache.MarkInstall(I, true, 0, false); | |
2a884c61 DK |
88 | |
89 | if (Progress != NULL) | |
90 | Progress->Progress(55); | |
91 | ||
82e369c4 MV |
92 | /* We do it again over all previously installed packages to force |
93 | conflict resolution on them all. */ | |
94 | for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) | |
95 | if (I->CurrentVer != 0) | |
96 | Cache.MarkInstall(I, false, 0, false); | |
97 | ||
2a884c61 DK |
98 | if (Progress != NULL) |
99 | Progress->Progress(65); | |
100 | ||
82e369c4 MV |
101 | pkgProblemResolver Fix(&Cache); |
102 | ||
2a884c61 DK |
103 | if (Progress != NULL) |
104 | Progress->Progress(95); | |
105 | ||
82e369c4 MV |
106 | // Hold back held packages. |
107 | if (_config->FindB("APT::Ignore-Hold",false) == false) | |
108 | { | |
109 | for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) | |
110 | { | |
111 | if (I->SelectedState == pkgCache::State::Hold) | |
112 | { | |
113 | Fix.Protect(I); | |
114 | Cache.MarkKeep(I, false, false); | |
115 | } | |
116 | } | |
117 | } | |
2a884c61 | 118 | |
4dc619c0 | 119 | bool const success = Fix.ResolveInternal(false); |
2a884c61 DK |
120 | if (Progress != NULL) |
121 | Progress->Done(); | |
122 | return success; | |
fa5404ab DK |
123 | } |
124 | bool pkgDistUpgrade(pkgDepCache &Cache) | |
125 | { | |
126 | return pkgDistUpgrade(Cache, NULL); | |
82e369c4 MV |
127 | } |
128 | /*}}}*/ | |
129 | // AllUpgradeNoNewPackages - Upgrade but no removals or new pkgs /*{{{*/ | |
2a884c61 | 130 | static bool pkgAllUpgradeNoNewPackages(pkgDepCache &Cache, OpProgress * const Progress) |
82e369c4 MV |
131 | { |
132 | std::string const solver = _config->Find("APT::Solver", "internal"); | |
3a487cc0 DK |
133 | constexpr auto flags = EDSP::Request::UPGRADE_ALL | EDSP::Request::FORBID_NEW_INSTALL | EDSP::Request::FORBID_REMOVE; |
134 | auto const ret = EDSP::ResolveExternal(solver.c_str(), Cache, flags, Progress); | |
2a884c61 | 135 | if (solver != "internal") |
3a487cc0 | 136 | return ret; |
2a884c61 DK |
137 | |
138 | if (Progress != NULL) | |
139 | Progress->OverallProgress(0, 100, 1, _("Calculating upgrade")); | |
82e369c4 MV |
140 | |
141 | pkgDepCache::ActionGroup group(Cache); | |
82e369c4 MV |
142 | pkgProblemResolver Fix(&Cache); |
143 | ||
82e369c4 MV |
144 | // Upgrade all installed packages |
145 | for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) | |
146 | { | |
147 | if (Cache[I].Install() == true) | |
148 | Fix.Protect(I); | |
149 | ||
150 | if (_config->FindB("APT::Ignore-Hold",false) == false) | |
151 | if (I->SelectedState == pkgCache::State::Hold) | |
152 | continue; | |
153 | ||
154 | if (I->CurrentVer != 0 && Cache[I].InstallVer != 0) | |
155 | Cache.MarkInstall(I, false, 0, false); | |
156 | } | |
2a884c61 DK |
157 | |
158 | if (Progress != NULL) | |
159 | Progress->Progress(50); | |
160 | ||
161 | // resolve remaining issues via keep | |
4dc619c0 | 162 | bool const success = Fix.ResolveByKeepInternal(); |
2a884c61 DK |
163 | if (Progress != NULL) |
164 | Progress->Done(); | |
165 | return success; | |
82e369c4 MV |
166 | } |
167 | /*}}}*/ | |
168 | // AllUpgradeWithNewInstalls - Upgrade + install new packages as needed /*{{{*/ | |
169 | // --------------------------------------------------------------------- | |
170 | /* Right now the system must be consistent before this can be called. | |
171 | * Upgrade as much as possible without deleting anything (useful for | |
172 | * stable systems) | |
173 | */ | |
2a884c61 | 174 | static bool pkgAllUpgradeWithNewPackages(pkgDepCache &Cache, OpProgress * const Progress) |
82e369c4 | 175 | { |
172947cd | 176 | std::string const solver = _config->Find("APT::Solver", "internal"); |
3a487cc0 DK |
177 | constexpr auto flags = EDSP::Request::UPGRADE_ALL | EDSP::Request::FORBID_REMOVE; |
178 | auto const ret = EDSP::ResolveExternal(solver.c_str(), Cache, flags, Progress); | |
2a884c61 | 179 | if (solver != "internal") |
3a487cc0 | 180 | return ret; |
2a884c61 DK |
181 | |
182 | if (Progress != NULL) | |
183 | Progress->OverallProgress(0, 100, 1, _("Calculating upgrade")); | |
172947cd | 184 | |
82e369c4 | 185 | pkgDepCache::ActionGroup group(Cache); |
82e369c4 MV |
186 | pkgProblemResolver Fix(&Cache); |
187 | ||
82e369c4 MV |
188 | // provide the initial set of stuff we want to upgrade by marking |
189 | // all upgradable packages for upgrade | |
190 | for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) | |
191 | { | |
192 | if (I->CurrentVer != 0 && Cache[I].InstallVer != 0) | |
193 | { | |
194 | if (_config->FindB("APT::Ignore-Hold",false) == false) | |
195 | if (I->SelectedState == pkgCache::State::Hold) | |
196 | continue; | |
197 | ||
198 | Cache.MarkInstall(I, false, 0, false); | |
199 | } | |
200 | } | |
201 | ||
2a884c61 DK |
202 | if (Progress != NULL) |
203 | Progress->Progress(10); | |
204 | ||
82e369c4 MV |
205 | // then let auto-install loose |
206 | for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) | |
207 | if (Cache[I].Install()) | |
208 | Cache.MarkInstall(I, true, 0, false); | |
209 | ||
2a884c61 DK |
210 | if (Progress != NULL) |
211 | Progress->Progress(50); | |
212 | ||
82e369c4 MV |
213 | // ... but it may remove stuff, we we need to clean up afterwards again |
214 | for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) | |
215 | if (Cache[I].Delete() == true) | |
216 | Cache.MarkKeep(I, false, false); | |
217 | ||
2a884c61 DK |
218 | if (Progress != NULL) |
219 | Progress->Progress(60); | |
220 | ||
82e369c4 | 221 | // resolve remaining issues via keep |
4dc619c0 | 222 | bool const success = Fix.ResolveByKeepInternal(); |
2a884c61 DK |
223 | if (Progress != NULL) |
224 | Progress->Done(); | |
225 | return success; | |
82e369c4 MV |
226 | } |
227 | /*}}}*/ | |
228 | // AllUpgrade - Upgrade as many packages as possible /*{{{*/ | |
229 | // --------------------------------------------------------------------- | |
230 | /* Right now the system must be consistent before this can be called. | |
231 | It also will not change packages marked for install, it only tries | |
232 | to install packages not marked for install */ | |
fa5404ab | 233 | static bool pkgAllUpgrade(pkgDepCache &Cache, OpProgress * const Progress) |
82e369c4 | 234 | { |
2a884c61 | 235 | return pkgAllUpgradeNoNewPackages(Cache, Progress); |
fa5404ab DK |
236 | } |
237 | bool pkgAllUpgrade(pkgDepCache &Cache) | |
238 | { | |
239 | return pkgAllUpgrade(Cache, NULL); | |
82e369c4 MV |
240 | } |
241 | /*}}}*/ | |
242 | // MinimizeUpgrade - Minimizes the set of packages to be upgraded /*{{{*/ | |
243 | // --------------------------------------------------------------------- | |
244 | /* This simply goes over the entire set of packages and tries to keep | |
245 | each package marked for upgrade. If a conflict is generated then | |
246 | the package is restored. */ | |
247 | bool pkgMinimizeUpgrade(pkgDepCache &Cache) | |
248 | { | |
249 | pkgDepCache::ActionGroup group(Cache); | |
250 | ||
251 | if (Cache.BrokenCount() != 0) | |
252 | return false; | |
253 | ||
254 | // We loop for 10 tries to get the minimal set size. | |
255 | bool Change = false; | |
256 | unsigned int Count = 0; | |
257 | do | |
258 | { | |
259 | Change = false; | |
260 | for (pkgCache::PkgIterator I = Cache.PkgBegin(); I.end() == false; ++I) | |
261 | { | |
262 | // Not interesting | |
263 | if (Cache[I].Upgrade() == false || Cache[I].NewInstall() == true) | |
264 | continue; | |
265 | ||
266 | // Keep it and see if that is OK | |
267 | Cache.MarkKeep(I, false, false); | |
268 | if (Cache.BrokenCount() != 0) | |
269 | Cache.MarkInstall(I, false, 0, false); | |
270 | else | |
271 | { | |
1e3f4083 | 272 | // If keep didn't actually do anything then there was no change.. |
82e369c4 MV |
273 | if (Cache[I].Upgrade() == false) |
274 | Change = true; | |
275 | } | |
276 | } | |
277 | ++Count; | |
278 | } | |
279 | while (Change == true && Count < 10); | |
280 | ||
281 | if (Cache.BrokenCount() != 0) | |
282 | return _error->Error("Internal Error in pkgMinimizeUpgrade"); | |
283 | ||
284 | return true; | |
285 | } | |
286 | /*}}}*/ | |
2a884c61 DK |
287 | // APT::Upgrade::Upgrade - Upgrade using a specific strategy /*{{{*/ |
288 | bool APT::Upgrade::Upgrade(pkgDepCache &Cache, int mode, OpProgress * const Progress) | |
82e369c4 | 289 | { |
586d8704 | 290 | APT_IGNORE_DEPRECATED_PUSH |
67caa2e6 | 291 | if (mode == ALLOW_EVERYTHING) |
2a884c61 | 292 | return pkgDistUpgrade(Cache, Progress); |
82e369c4 | 293 | else if ((mode & ~FORBID_REMOVE_PACKAGES) == 0) |
2a884c61 | 294 | return pkgAllUpgradeWithNewPackages(Cache, Progress); |
3f506f68 | 295 | else if ((mode & ~(FORBID_REMOVE_PACKAGES|FORBID_INSTALL_NEW_PACKAGES)) == 0) |
2a884c61 | 296 | return pkgAllUpgradeNoNewPackages(Cache, Progress); |
82e369c4 MV |
297 | else |
298 | _error->Error("pkgAllUpgrade called with unsupported mode %i", mode); | |
586d8704 | 299 | APT_IGNORE_DEPRECATED_POP |
82e369c4 MV |
300 | return false; |
301 | } | |
302 | /*}}}*/ |