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7939f6d1 RC |
1 | /* |
2 | * Copyright (c) 2001, Robert Collins. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * A copy of the GNU General Public License can be found at | |
10 | * http://www.gnu.org/ | |
11 | * | |
12 | * Written by Robert Collins <rbtcollins@hotmail.com> | |
13 | * | |
14 | */ | |
15 | ||
16 | /* this is the package database class. | |
17 | * It lists all known packages, including custom ones, ones from a mirror and | |
18 | * installed ones. | |
19 | */ | |
20 | ||
21 | #if 0 | |
22 | static const char *cvsid = | |
23 | "\n%%% $Id$\n"; | |
24 | #endif | |
7939f6d1 RC |
25 | #include <stdio.h> |
26 | #include <stdlib.h> | |
27 | #include <unistd.h> | |
28 | #include <strings.h> | |
45e01f23 RC |
29 | #if HAVE_ERRNO_H |
30 | #include <errno.h> | |
31 | #endif | |
7939f6d1 RC |
32 | |
33 | #include "io_stream.h" | |
34 | #include "compress.h" | |
35 | ||
36 | #include "filemanip.h" | |
37 | ||
fa0c0d10 | 38 | #include "package_version.h" |
7939f6d1 RC |
39 | #include "cygpackage.h" |
40 | #include "package_db.h" | |
41 | #include "package_meta.h" | |
42 | ||
43 | /* static members */ | |
44 | ||
7939f6d1 RC |
45 | packagedb::packagedb () |
46 | { | |
df62e023 | 47 | io_stream *db = 0; |
7939f6d1 RC |
48 | if (!installeddbread) |
49 | { | |
50 | /* no parameters. Read in the local installation database. */ | |
51 | db = io_stream::open ("cygfile:///etc/setup/installed.db", "rt"); | |
52 | if (!db) | |
53 | return; | |
54 | /* flush_local_db_package_data */ | |
55 | char line[1000], pkgname[1000], inst[1000], src[1000]; | |
56 | int instsz, srcsz; | |
7939f6d1 | 57 | |
24cbae7f RC |
58 | if (db->gets (line, 1000)) |
59 | { | |
60 | int dbver; | |
61 | sscanf (line, "%s %d", pkgname, &instsz); | |
62 | if (!strcasecmp (pkgname, "INSTALLED.DB") && instsz == 2) | |
63 | dbver = 2; | |
64 | else | |
65 | dbver = 1; | |
66 | delete db; | |
fa0c0d10 | 67 | db = 0; |
24cbae7f RC |
68 | /* Later versions may not use installed.db other than to record the version. */ |
69 | if (dbver == 1 || dbver == 2) | |
7939f6d1 | 70 | { |
24cbae7f RC |
71 | db = |
72 | io_stream::open ("cygfile:///etc/setup/installed.db", "rt"); | |
73 | if (dbver == 2) | |
74 | db->gets (line, 1000); | |
75 | while (db->gets (line, 1000)) | |
7939f6d1 | 76 | { |
24cbae7f | 77 | int parseable; |
4e868a01 RC |
78 | src[0] = '\0'; |
79 | pkgname[0] = '\0'; | |
80 | inst[0] = '\0'; | |
24cbae7f | 81 | srcsz = 0; |
4e868a01 RC |
82 | instsz = 0; |
83 | ||
24cbae7f RC |
84 | sscanf (line, "%s %s %d %s %d", pkgname, inst, &instsz, src, |
85 | &srcsz); | |
4e868a01 RC |
86 | |
87 | if (pkgname[0] == '\0' || inst[0] == '\0') | |
88 | continue; | |
89 | ||
24cbae7f RC |
90 | fileparse f; |
91 | parseable = parse_filename (inst, f); | |
92 | if (!parseable) | |
93 | continue; | |
94 | ||
cbfc4215 | 95 | packagemeta *pkg = packages.getbykey (pkgname); |
24cbae7f RC |
96 | if (!pkg) |
97 | { | |
fa0c0d10 | 98 | pkg = new packagemeta (pkgname, inst); |
24cbae7f RC |
99 | /* we should install a new handler then not check this... |
100 | */ | |
101 | //if (!pkg) | |
102 | //die badly | |
103 | } | |
104 | ||
3c196821 RC |
105 | packageversion binary = |
106 | cygpackage::createInstance (pkgname, inst, instsz, f.ver, | |
107 | package_installed, | |
108 | package_binary); | |
24cbae7f | 109 | |
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110 | pkg->add_version (binary); |
111 | pkg->set_installed (binary); | |
bb849dbd | 112 | pkg->desired = pkg->installed; |
cbfc4215 | 113 | packages.registerbyobject (*pkg); |
7939f6d1 | 114 | |
7939f6d1 | 115 | } |
24cbae7f | 116 | delete db; |
fa0c0d10 | 117 | db = 0; |
24cbae7f RC |
118 | } |
119 | else | |
120 | // unknown dbversion | |
121 | exit (1); | |
7939f6d1 | 122 | } |
7b606ae5 | 123 | installeddbread = 1; |
7939f6d1 | 124 | } |
7939f6d1 RC |
125 | } |
126 | ||
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127 | int |
128 | packagedb::flush () | |
129 | { | |
130 | /* naive approach - just dump the lot */ | |
131 | char const *odbn = "cygfile:///etc/setup/installed.db"; | |
132 | char const *ndbn = "cygfile:///etc/setup/installed.db.new"; | |
133 | ||
134 | io_stream::mkpath_p (PATH_TO_FILE, ndbn); | |
135 | ||
136 | io_stream *ndb = io_stream::open (ndbn, "wb"); | |
137 | ||
3c054baf | 138 | // XXX if this failed, try removing any existing .new database? |
7c7034e8 RC |
139 | if (!ndb) |
140 | return errno ? errno : 1; | |
141 | ||
142 | ndb->write ("INSTALLED.DB 2\n", strlen ("INSTALLED.DB 2\n")); | |
4f4e55c2 | 143 | for (size_t n = 1; n <= packages.number (); n++) |
7c7034e8 | 144 | { |
df62e023 RC |
145 | packagemeta & pkgm = *packages[n]; |
146 | if (pkgm.installed) | |
147 | { | |
df62e023 RC |
148 | /* size here is irrelevant - as we can assume that this install source |
149 | * no longer exists, and it does not correlate to used disk space | |
150 | * also note that we are writing a fictional install source | |
151 | * to keep cygcheck happy. | |
152 | */ | |
3c196821 RC |
153 | String line; |
154 | line = pkgm.name + " " + pkgm.name + "-" + | |
155 | pkgm.installed.Canonical_version () + ".tar.bz2 0\n"; | |
156 | ndb->write (line.cstr_oneuse(), line.size()); | |
df62e023 | 157 | } |
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158 | } |
159 | ||
160 | delete ndb; | |
161 | ||
162 | io_stream::remove (odbn); | |
163 | ||
164 | if (io_stream::move (ndbn, odbn)) | |
165 | return errno ? errno : 1; | |
166 | return 0; | |
167 | } | |
168 | ||
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169 | packagemeta * |
170 | packagedb::findBinary (PackageSpecification const &spec) const | |
171 | { | |
172 | for (size_t n = 1; n <= packages.number (); ++n) | |
173 | { | |
174 | packagemeta & pkgm = *packages[n]; | |
175 | for (set<packageversion>::iterator i=pkgm.versions.begin(); | |
176 | i != pkgm.versions.end(); ++i) | |
177 | if (spec.satisfies (*i)) | |
178 | return &pkgm; | |
179 | } | |
180 | return NULL; | |
181 | } | |
182 | ||
183 | packagemeta * | |
184 | packagedb::findSource (PackageSpecification const &spec) const | |
185 | { | |
186 | for (vector <packagemeta *>::iterator n=sourcePackages.begin(); | |
187 | n != sourcePackages.end(); ++n) | |
188 | { | |
189 | for (set<packageversion>::iterator i = (*n)->versions.begin(); | |
190 | i != (*n)->versions.end(); ++i) | |
191 | if (spec.satisfies (*i)) | |
192 | return *n; | |
193 | } | |
194 | return NULL; | |
195 | } | |
196 | ||
df62e023 RC |
197 | int |
198 | packagedb::installeddbread = | |
199 | 0; | |
3c054baf RC |
200 | list < packagemeta, String, |
201 | String::casecompare > | |
df62e023 | 202 | packagedb::packages; |
3c054baf RC |
203 | list < Category, String, |
204 | String::casecompare > | |
4fe323f9 | 205 | packagedb::categories; |
08cd08c3 | 206 | vector <packagemeta *> packagedb::sourcePackages; |
df62e023 RC |
207 | PackageDBActions |
208 | packagedb::task = | |
209 | PackageDB_Install; |