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b49068c5 DK |
1 | #include <apt-pkg/pkgcache.h> |
2 | #include <apt-pkg/cacheset.h> | |
3 | #include <apt-pkg/debsystem.h> | |
4 | #include <apt-pkg/fileutl.h> | |
5 | #include <apt-pkg/statechanges.h> | |
27f38567 | 6 | #include <apt-pkg/prettyprinters.h> |
b49068c5 DK |
7 | |
8 | #include <algorithm> | |
9 | #include <memory> | |
10 | ||
11 | namespace APT | |
12 | { | |
13 | ||
14 | class StateChanges::Private | |
15 | { | |
16 | public: | |
17 | APT::VersionVector hold; | |
64e3414e | 18 | APT::VersionVector unhold; |
b49068c5 | 19 | APT::VersionVector install; |
64e3414e DK |
20 | APT::VersionVector deinstall; |
21 | APT::VersionVector purge; | |
b49068c5 DK |
22 | APT::VersionVector error; |
23 | }; | |
24 | ||
64e3414e DK |
25 | #define APT_GETTERSETTER(Name, Container) \ |
26 | void StateChanges::Name(pkgCache::VerIterator const &Ver) \ | |
27 | { \ | |
28 | Container.push_back(Ver); \ | |
29 | }\ | |
30 | APT::VersionVector& StateChanges::Name() \ | |
31 | { \ | |
32 | return Container; \ | |
b49068c5 | 33 | } |
64e3414e DK |
34 | APT_GETTERSETTER(Hold, d->hold) |
35 | APT_GETTERSETTER(Unhold, d->unhold) | |
36 | APT_GETTERSETTER(Install, d->install) | |
37 | APT_GETTERSETTER(Remove, d->deinstall) | |
38 | APT_GETTERSETTER(Purge, d->purge) | |
39 | #undef APT_GETTERSETTER | |
b49068c5 DK |
40 | APT::VersionVector& StateChanges::Error() |
41 | { | |
42 | return d->error; | |
43 | } | |
44 | ||
64e3414e | 45 | void StateChanges::clear() |
b49068c5 DK |
46 | { |
47 | d->hold.clear(); | |
64e3414e | 48 | d->unhold.clear(); |
b49068c5 | 49 | d->install.clear(); |
64e3414e DK |
50 | d->deinstall.clear(); |
51 | d->purge.clear(); | |
b49068c5 DK |
52 | d->error.clear(); |
53 | } | |
54 | ||
64e3414e DK |
55 | bool StateChanges::empty() const |
56 | { | |
57 | return d->hold.empty() && | |
58 | d->unhold.empty() && | |
59 | d->install.empty() && | |
60 | d->deinstall.empty() && | |
61 | d->purge.empty() && | |
62 | d->error.empty(); | |
63 | } | |
64 | ||
b49068c5 DK |
65 | bool StateChanges::Save(bool const DiscardOutput) |
66 | { | |
27f38567 | 67 | bool const Debug = _config->FindB("Debug::pkgDpkgPm", false); |
b49068c5 | 68 | d->error.clear(); |
64e3414e | 69 | if (d->hold.empty() && d->unhold.empty() && d->install.empty() && d->deinstall.empty() && d->purge.empty()) |
b49068c5 DK |
70 | return true; |
71 | ||
72 | std::vector<std::string> Args = debSystem::GetDpkgBaseCommand(); | |
73 | // ensure dpkg knows about the package so that it keeps the status we set | |
64e3414e | 74 | if (d->hold.empty() == false || d->install.empty() == false) |
b49068c5 DK |
75 | { |
76 | APT::VersionVector makeDpkgAvailable; | |
77 | auto const notInstalled = [](pkgCache::VerIterator const &V) { return V.ParentPkg()->CurrentVer == 0; }; | |
78 | std::copy_if(d->hold.begin(), d->hold.end(), std::back_inserter(makeDpkgAvailable), notInstalled); | |
79 | std::copy_if(d->install.begin(), d->install.end(), std::back_inserter(makeDpkgAvailable), notInstalled); | |
80 | ||
81 | if (makeDpkgAvailable.empty() == false) | |
82 | { | |
83 | auto const BaseArgs = Args.size(); | |
84 | Args.push_back("--merge-avail"); | |
85 | // FIXME: supported only since 1.17.7 in dpkg | |
86 | Args.push_back("-"); | |
87 | int dummyAvail = -1; | |
27f38567 DK |
88 | if (Debug) |
89 | { | |
90 | for (auto const &V: makeDpkgAvailable) | |
91 | { | |
92 | std::clog << "echo 'Dummy record for " << V.ParentPkg().FullName(false) << "' | "; | |
93 | std::copy(Args.begin(), Args.end(), std::ostream_iterator<std::string>(std::clog, " ")); | |
94 | std::clog << std::endl; | |
95 | } | |
96 | } | |
97 | else | |
98 | { | |
99 | pid_t const dpkgMergeAvail = debSystem::ExecDpkg(Args, &dummyAvail, nullptr, true); | |
100 | ||
101 | FILE* dpkg = fdopen(dummyAvail, "w"); | |
102 | for (auto const &V: makeDpkgAvailable) | |
103 | fprintf(dpkg, "Package: %s\nVersion: 0~\nArchitecture: %s\nMaintainer: Dummy Example <dummy@example.org>\n" | |
104 | "Description: dummy package record\n A record is needed to put a package on hold, so here it is.\n\n", V.ParentPkg().Name(), V.Arch()); | |
105 | fclose(dpkg); | |
106 | ||
107 | ExecWait(dpkgMergeAvail, "dpkg --merge-avail", true); | |
108 | } | |
b49068c5 DK |
109 | Args.erase(Args.begin() + BaseArgs, Args.end()); |
110 | } | |
111 | } | |
112 | bool const dpkgMultiArch = _system->MultiArchSupported(); | |
113 | ||
114 | Args.push_back("--set-selections"); | |
27f38567 | 115 | if (Debug) |
64e3414e | 116 | { |
27f38567 DK |
117 | std::string state; |
118 | auto const dpkgName = [&](pkgCache::VerIterator const &V) { | |
119 | pkgCache::PkgIterator P = V.ParentPkg(); | |
120 | if (strcmp(V.Arch(), "none") == 0) | |
121 | ioprintf(std::clog, "echo '%s %s' | ", P.Name(), state.c_str()); | |
122 | else if (dpkgMultiArch == false) | |
123 | ioprintf(std::clog, "echo '%s %s' | ", P.FullName(true).c_str(), state.c_str()); | |
124 | else | |
125 | ioprintf(std::clog, "echo '%s:%s %s' | ", P.Name(), V.Arch(), state.c_str()); | |
126 | std::copy(Args.begin(), Args.end(), std::ostream_iterator<std::string>(std::clog, " ")); | |
127 | std::clog << std::endl; | |
128 | }; | |
129 | for (auto const &V: d->unhold) | |
130 | { | |
131 | if (V.ParentPkg()->CurrentVer != 0) | |
132 | state = "install"; | |
133 | else | |
134 | state = "deinstall"; | |
135 | dpkgName(V); | |
136 | } | |
137 | if (d->purge.empty() == false) | |
138 | { | |
139 | state = "purge"; | |
140 | std::for_each(d->purge.begin(), d->purge.end(), dpkgName); | |
141 | } | |
142 | if (d->deinstall.empty() == false) | |
143 | { | |
64e3414e | 144 | state = "deinstall"; |
27f38567 DK |
145 | std::for_each(d->deinstall.begin(), d->deinstall.end(), dpkgName); |
146 | } | |
147 | if (d->hold.empty() == false) | |
148 | { | |
149 | state = "hold"; | |
150 | std::for_each(d->hold.begin(), d->hold.end(), dpkgName); | |
151 | } | |
152 | if (d->install.empty() == false) | |
153 | { | |
154 | state = "install"; | |
155 | std::for_each(d->install.begin(), d->install.end(), dpkgName); | |
156 | } | |
b49068c5 | 157 | } |
27f38567 | 158 | else |
b49068c5 | 159 | { |
27f38567 DK |
160 | int selections = -1; |
161 | pid_t const dpkgSelections = debSystem::ExecDpkg(Args, &selections, nullptr, DiscardOutput); | |
162 | ||
163 | FILE* dpkg = fdopen(selections, "w"); | |
164 | std::string state; | |
165 | auto const dpkgName = [&](pkgCache::VerIterator const &V) { | |
166 | pkgCache::PkgIterator P = V.ParentPkg(); | |
167 | if (strcmp(V.Arch(), "none") == 0) | |
168 | fprintf(dpkg, "%s %s\n", P.Name(), state.c_str()); | |
169 | else if (dpkgMultiArch == false) | |
170 | fprintf(dpkg, "%s %s\n", P.FullName(true).c_str(), state.c_str()); | |
171 | else | |
172 | fprintf(dpkg, "%s:%s %s\n", P.Name(), V.Arch(), state.c_str()); | |
173 | }; | |
174 | for (auto const &V: d->unhold) | |
175 | { | |
176 | if (V.ParentPkg()->CurrentVer != 0) | |
177 | state = "install"; | |
178 | else | |
179 | state = "deinstall"; | |
180 | dpkgName(V); | |
181 | } | |
182 | if (d->purge.empty() == false) | |
183 | { | |
184 | state = "purge"; | |
185 | std::for_each(d->purge.begin(), d->purge.end(), dpkgName); | |
186 | } | |
187 | if (d->deinstall.empty() == false) | |
188 | { | |
189 | state = "deinstall"; | |
190 | std::for_each(d->deinstall.begin(), d->deinstall.end(), dpkgName); | |
191 | } | |
192 | if (d->hold.empty() == false) | |
193 | { | |
194 | state = "hold"; | |
195 | std::for_each(d->hold.begin(), d->hold.end(), dpkgName); | |
196 | } | |
197 | if (d->install.empty() == false) | |
198 | { | |
199 | state = "install"; | |
200 | std::for_each(d->install.begin(), d->install.end(), dpkgName); | |
201 | } | |
202 | fclose(dpkg); | |
b49068c5 | 203 | |
27f38567 DK |
204 | if (ExecWait(dpkgSelections, "dpkg --set-selections") == false) |
205 | { | |
206 | std::move(d->purge.begin(), d->purge.end(), std::back_inserter(d->error)); | |
207 | d->purge.clear(); | |
208 | std::move(d->deinstall.begin(), d->deinstall.end(), std::back_inserter(d->error)); | |
209 | d->deinstall.clear(); | |
210 | std::move(d->hold.begin(), d->hold.end(), std::back_inserter(d->error)); | |
211 | d->hold.clear(); | |
212 | std::move(d->unhold.begin(), d->unhold.end(), std::back_inserter(d->error)); | |
213 | d->unhold.clear(); | |
214 | std::move(d->install.begin(), d->install.end(), std::back_inserter(d->error)); | |
215 | d->install.clear(); | |
216 | } | |
b49068c5 DK |
217 | } |
218 | return d->error.empty(); | |
219 | } | |
220 | ||
221 | StateChanges::StateChanges() : d(new StateChanges::Private()) {} | |
222 | StateChanges::StateChanges(StateChanges&&) = default; | |
223 | StateChanges& StateChanges::operator=(StateChanges&&) = default; | |
224 | StateChanges::~StateChanges() = default; | |
225 | ||
226 | } |