| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | /* ###################################################################### |
| 4 | |
| 5 | Provide access methods to various configuration settings, |
| 6 | setup defaults and returns validate settings. |
| 7 | |
| 8 | ##################################################################### */ |
| 9 | /*}}}*/ |
| 10 | // Include Files /*{{{*/ |
| 11 | #include <config.h> |
| 12 | |
| 13 | #include <apt-pkg/aptconfiguration.h> |
| 14 | #include <apt-pkg/configuration.h> |
| 15 | #include <apt-pkg/error.h> |
| 16 | #include <apt-pkg/fileutl.h> |
| 17 | #include <apt-pkg/macros.h> |
| 18 | #include <apt-pkg/strutl.h> |
| 19 | |
| 20 | #include <dirent.h> |
| 21 | #include <stdio.h> |
| 22 | #include <fcntl.h> |
| 23 | #include <ctype.h> |
| 24 | #include <stddef.h> |
| 25 | #include <stdlib.h> |
| 26 | #include <string.h> |
| 27 | #include <unistd.h> |
| 28 | #include <algorithm> |
| 29 | #include <string> |
| 30 | #include <vector> |
| 31 | |
| 32 | #include <apti18n.h> |
| 33 | /*}}}*/ |
| 34 | namespace APT { |
| 35 | // getCompressionTypes - Return Vector of usable compressiontypes /*{{{*/ |
| 36 | // --------------------------------------------------------------------- |
| 37 | /* return a vector of compression types in the preferred order. */ |
| 38 | std::vector<std::string> |
| 39 | const Configuration::getCompressionTypes(bool const &Cached) { |
| 40 | static std::vector<std::string> types; |
| 41 | if (types.empty() == false) { |
| 42 | if (Cached == true) |
| 43 | return types; |
| 44 | else |
| 45 | types.clear(); |
| 46 | } |
| 47 | |
| 48 | // setup the defaults for the compressiontypes => method mapping |
| 49 | _config->CndSet("Acquire::CompressionTypes::bz2","bzip2"); |
| 50 | _config->CndSet("Acquire::CompressionTypes::xz","xz"); |
| 51 | _config->CndSet("Acquire::CompressionTypes::lzma","lzma"); |
| 52 | _config->CndSet("Acquire::CompressionTypes::gz","gzip"); |
| 53 | |
| 54 | setDefaultConfigurationForCompressors(); |
| 55 | std::vector<APT::Configuration::Compressor> const compressors = getCompressors(); |
| 56 | |
| 57 | // load the order setting into our vector |
| 58 | std::vector<std::string> const order = _config->FindVector("Acquire::CompressionTypes::Order"); |
| 59 | for (std::vector<std::string>::const_iterator o = order.begin(); |
| 60 | o != order.end(); ++o) { |
| 61 | if ((*o).empty() == true) |
| 62 | continue; |
| 63 | // ignore types we have no method ready to use |
| 64 | std::string const method = std::string("Acquire::CompressionTypes::").append(*o); |
| 65 | if (_config->Exists(method) == false) |
| 66 | continue; |
| 67 | // ignore types we have no app ready to use |
| 68 | std::string const app = _config->Find(method); |
| 69 | std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin(); |
| 70 | for (; c != compressors.end(); ++c) |
| 71 | if (c->Name == app) |
| 72 | break; |
| 73 | if (c == compressors.end()) |
| 74 | continue; |
| 75 | types.push_back(*o); |
| 76 | } |
| 77 | |
| 78 | // move again over the option tree to add all missing compression types |
| 79 | ::Configuration::Item const *Types = _config->Tree("Acquire::CompressionTypes"); |
| 80 | if (Types != 0) |
| 81 | Types = Types->Child; |
| 82 | |
| 83 | for (; Types != 0; Types = Types->Next) { |
| 84 | if (Types->Tag == "Order" || Types->Tag.empty() == true) |
| 85 | continue; |
| 86 | // ignore types we already have in the vector |
| 87 | if (std::find(types.begin(),types.end(),Types->Tag) != types.end()) |
| 88 | continue; |
| 89 | // ignore types we have no app ready to use |
| 90 | std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin(); |
| 91 | for (; c != compressors.end(); ++c) |
| 92 | if (c->Name == Types->Value) |
| 93 | break; |
| 94 | if (c == compressors.end()) |
| 95 | continue; |
| 96 | types.push_back(Types->Tag); |
| 97 | } |
| 98 | |
| 99 | // add the special "uncompressed" type |
| 100 | if (std::find(types.begin(), types.end(), "uncompressed") == types.end()) |
| 101 | { |
| 102 | std::string const uncompr = _config->FindFile("Dir::Bin::uncompressed", ""); |
| 103 | if (uncompr.empty() == true || FileExists(uncompr) == true) |
| 104 | types.push_back("uncompressed"); |
| 105 | } |
| 106 | |
| 107 | return types; |
| 108 | } |
| 109 | /*}}}*/ |
| 110 | // GetLanguages - Return Vector of Language Codes /*{{{*/ |
| 111 | // --------------------------------------------------------------------- |
| 112 | /* return a vector of language codes in the preferred order. |
| 113 | the special word "environment" will be replaced with the long and the short |
| 114 | code of the local settings and it will be insured that this will not add |
| 115 | duplicates. So in an german local the setting "environment, de_DE, en, de" |
| 116 | will result in "de_DE, de, en". |
| 117 | The special word "none" is the stopcode for the not-All code vector */ |
| 118 | std::vector<std::string> const Configuration::getLanguages(bool const &All, |
| 119 | bool const &Cached, char const ** const Locale) { |
| 120 | using std::string; |
| 121 | |
| 122 | // The detection is boring and has a lot of cornercases, |
| 123 | // so we cache the results to calculated it only once. |
| 124 | std::vector<string> static allCodes; |
| 125 | std::vector<string> static codes; |
| 126 | |
| 127 | // we have something in the cache |
| 128 | if (codes.empty() == false || allCodes.empty() == false) { |
| 129 | if (Cached == true) { |
| 130 | if(All == true && allCodes.empty() == false) |
| 131 | return allCodes; |
| 132 | else |
| 133 | return codes; |
| 134 | } else { |
| 135 | allCodes.clear(); |
| 136 | codes.clear(); |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | // Include all Language codes we have a Translation file for in /var/lib/apt/lists |
| 141 | // so they will be all included in the Cache. |
| 142 | std::vector<string> builtin; |
| 143 | DIR *D = opendir(_config->FindDir("Dir::State::lists").c_str()); |
| 144 | if (D != NULL) { |
| 145 | builtin.push_back("none"); |
| 146 | for (struct dirent *Ent = readdir(D); Ent != 0; Ent = readdir(D)) { |
| 147 | string const name = SubstVar(Ent->d_name, "%5f", "_"); |
| 148 | size_t const foundDash = name.rfind("-"); |
| 149 | size_t const foundUnderscore = name.rfind("_", foundDash); |
| 150 | if (foundDash == string::npos || foundUnderscore == string::npos || |
| 151 | foundDash <= foundUnderscore || |
| 152 | name.substr(foundUnderscore+1, foundDash-(foundUnderscore+1)) != "Translation") |
| 153 | continue; |
| 154 | string const c = name.substr(foundDash+1); |
| 155 | if (unlikely(c.empty() == true) || c == "en") |
| 156 | continue; |
| 157 | // Skip unusual files, like backups or that alike |
| 158 | string::const_iterator s = c.begin(); |
| 159 | for (;s != c.end(); ++s) { |
| 160 | if (isalpha(*s) == 0 && *s != '_') |
| 161 | break; |
| 162 | } |
| 163 | if (s != c.end()) |
| 164 | continue; |
| 165 | if (std::find(builtin.begin(), builtin.end(), c) != builtin.end()) |
| 166 | continue; |
| 167 | builtin.push_back(c); |
| 168 | } |
| 169 | closedir(D); |
| 170 | } |
| 171 | |
| 172 | // FIXME: Remove support for the old APT::Acquire::Translation |
| 173 | // it was undocumented and so it should be not very widthly used |
| 174 | string const oldAcquire = _config->Find("APT::Acquire::Translation",""); |
| 175 | if (oldAcquire.empty() == false && oldAcquire != "environment") { |
| 176 | // TRANSLATORS: the two %s are APT configuration options |
| 177 | _error->Notice("Option '%s' is deprecated. Please use '%s' instead, see 'man 5 apt.conf' for details.", |
| 178 | "APT::Acquire::Translation", "Acquire::Languages"); |
| 179 | if (oldAcquire != "none") |
| 180 | codes.push_back(oldAcquire); |
| 181 | codes.push_back("en"); |
| 182 | allCodes = codes; |
| 183 | for (std::vector<string>::const_iterator b = builtin.begin(); |
| 184 | b != builtin.end(); ++b) |
| 185 | if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end()) |
| 186 | allCodes.push_back(*b); |
| 187 | if (All == true) |
| 188 | return allCodes; |
| 189 | else |
| 190 | return codes; |
| 191 | } |
| 192 | |
| 193 | // get the environment language codes: LC_MESSAGES (and later LANGUAGE) |
| 194 | // we extract both, a long and a short code and then we will |
| 195 | // check if we actually need both (rare) or if the short is enough |
| 196 | string const envMsg = string(Locale == 0 ? std::setlocale(LC_MESSAGES, NULL) : *Locale); |
| 197 | size_t const lenShort = (envMsg.find('_') != string::npos) ? envMsg.find('_') : 2; |
| 198 | size_t const lenLong = (envMsg.find_first_of(".@") != string::npos) ? envMsg.find_first_of(".@") : (lenShort + 3); |
| 199 | |
| 200 | string const envLong = envMsg.substr(0,lenLong); |
| 201 | string const envShort = envLong.substr(0,lenShort); |
| 202 | |
| 203 | // It is very likely we will need the environment codes later, |
| 204 | // so let us generate them now from LC_MESSAGES and LANGUAGE |
| 205 | std::vector<string> environment; |
| 206 | if (envShort != "C") { |
| 207 | // take care of LC_MESSAGES |
| 208 | if (envLong != envShort) |
| 209 | environment.push_back(envLong); |
| 210 | environment.push_back(envShort); |
| 211 | // take care of LANGUAGE |
| 212 | const char *language_env = getenv("LANGUAGE") == 0 ? "" : getenv("LANGUAGE"); |
| 213 | string envLang = Locale == 0 ? language_env : *(Locale+1); |
| 214 | if (envLang.empty() == false) { |
| 215 | std::vector<string> env = VectorizeString(envLang,':'); |
| 216 | short addedLangs = 0; // add a maximum of 3 fallbacks from the environment |
| 217 | for (std::vector<string>::const_iterator e = env.begin(); |
| 218 | e != env.end() && addedLangs < 3; ++e) { |
| 219 | if (unlikely(e->empty() == true) || *e == "en") |
| 220 | continue; |
| 221 | if (*e == envLong || *e == envShort) |
| 222 | continue; |
| 223 | if (std::find(environment.begin(), environment.end(), *e) != environment.end()) |
| 224 | continue; |
| 225 | ++addedLangs; |
| 226 | environment.push_back(*e); |
| 227 | } |
| 228 | } |
| 229 | } else { |
| 230 | // cornercase: LANG=C, so we use only "en" Translation |
| 231 | environment.push_back("en"); |
| 232 | } |
| 233 | |
| 234 | std::vector<string> const lang = _config->FindVector("Acquire::Languages", "environment,en"); |
| 235 | // the configs define the order, so add the environment |
| 236 | // then needed and ensure the codes are not listed twice. |
| 237 | bool noneSeen = false; |
| 238 | for (std::vector<string>::const_iterator l = lang.begin(); |
| 239 | l != lang.end(); ++l) { |
| 240 | if (*l == "environment") { |
| 241 | for (std::vector<string>::const_iterator e = environment.begin(); |
| 242 | e != environment.end(); ++e) { |
| 243 | if (std::find(allCodes.begin(), allCodes.end(), *e) != allCodes.end()) |
| 244 | continue; |
| 245 | if (noneSeen == false) |
| 246 | codes.push_back(*e); |
| 247 | allCodes.push_back(*e); |
| 248 | } |
| 249 | continue; |
| 250 | } else if (*l == "none") { |
| 251 | noneSeen = true; |
| 252 | continue; |
| 253 | } else if (std::find(allCodes.begin(), allCodes.end(), *l) != allCodes.end()) |
| 254 | continue; |
| 255 | |
| 256 | if (noneSeen == false) |
| 257 | codes.push_back(*l); |
| 258 | allCodes.push_back(*l); |
| 259 | } |
| 260 | |
| 261 | if (allCodes.empty() == false) { |
| 262 | for (std::vector<string>::const_iterator b = builtin.begin(); |
| 263 | b != builtin.end(); ++b) |
| 264 | if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end()) |
| 265 | allCodes.push_back(*b); |
| 266 | } else { |
| 267 | // "none" was forced |
| 268 | allCodes.push_back("none"); |
| 269 | } |
| 270 | |
| 271 | if (All == true) |
| 272 | return allCodes; |
| 273 | else |
| 274 | return codes; |
| 275 | } |
| 276 | /*}}}*/ |
| 277 | // checkLanguage - are we interested in the given Language? /*{{{*/ |
| 278 | bool Configuration::checkLanguage(std::string Lang, bool const All) { |
| 279 | // the empty Language is always interesting as it is the original |
| 280 | if (Lang.empty() == true) |
| 281 | return true; |
| 282 | // filenames are encoded, so undo this |
| 283 | Lang = SubstVar(Lang, "%5f", "_"); |
| 284 | std::vector<std::string> const langs = getLanguages(All, true); |
| 285 | return (std::find(langs.begin(), langs.end(), Lang) != langs.end()); |
| 286 | } |
| 287 | /*}}}*/ |
| 288 | // getArchitectures - Return Vector of preferred Architectures /*{{{*/ |
| 289 | std::vector<std::string> const Configuration::getArchitectures(bool const &Cached) { |
| 290 | using std::string; |
| 291 | |
| 292 | std::vector<string> static archs; |
| 293 | if (likely(Cached == true) && archs.empty() == false) |
| 294 | return archs; |
| 295 | |
| 296 | string const arch = _config->Find("APT::Architecture"); |
| 297 | archs = _config->FindVector("APT::Architectures"); |
| 298 | |
| 299 | if (unlikely(arch.empty() == true)) |
| 300 | return archs; |
| 301 | |
| 302 | // FIXME: It is a bit unclean to have debian specific code hereā¦ |
| 303 | if (archs.empty() == true) { |
| 304 | archs.push_back(arch); |
| 305 | |
| 306 | // Generate the base argument list for dpkg |
| 307 | std::vector<const char *> Args; |
| 308 | string Tmp = _config->Find("Dir::Bin::dpkg","dpkg"); |
| 309 | { |
| 310 | string const dpkgChrootDir = _config->FindDir("DPkg::Chroot-Directory", "/"); |
| 311 | size_t dpkgChrootLen = dpkgChrootDir.length(); |
| 312 | if (dpkgChrootDir != "/" && Tmp.find(dpkgChrootDir) == 0) { |
| 313 | if (dpkgChrootDir[dpkgChrootLen - 1] == '/') |
| 314 | --dpkgChrootLen; |
| 315 | Tmp = Tmp.substr(dpkgChrootLen); |
| 316 | } |
| 317 | } |
| 318 | Args.push_back(Tmp.c_str()); |
| 319 | |
| 320 | // Stick in any custom dpkg options |
| 321 | ::Configuration::Item const *Opts = _config->Tree("DPkg::Options"); |
| 322 | if (Opts != 0) { |
| 323 | Opts = Opts->Child; |
| 324 | for (; Opts != 0; Opts = Opts->Next) |
| 325 | { |
| 326 | if (Opts->Value.empty() == true) |
| 327 | continue; |
| 328 | Args.push_back(Opts->Value.c_str()); |
| 329 | } |
| 330 | } |
| 331 | |
| 332 | Args.push_back("--print-foreign-architectures"); |
| 333 | Args.push_back(NULL); |
| 334 | |
| 335 | int external[2] = {-1, -1}; |
| 336 | if (pipe(external) != 0) |
| 337 | { |
| 338 | _error->WarningE("getArchitecture", "Can't create IPC pipe for dpkg --print-foreign-architectures"); |
| 339 | return archs; |
| 340 | } |
| 341 | |
| 342 | pid_t dpkgMultiArch = ExecFork(); |
| 343 | if (dpkgMultiArch == 0) { |
| 344 | close(external[0]); |
| 345 | std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory"); |
| 346 | int const nullfd = open("/dev/null", O_RDONLY); |
| 347 | dup2(nullfd, STDIN_FILENO); |
| 348 | dup2(external[1], STDOUT_FILENO); |
| 349 | dup2(nullfd, STDERR_FILENO); |
| 350 | if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0) |
| 351 | _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --print-foreign-architectures", chrootDir.c_str()); |
| 352 | execvp(Args[0], (char**) &Args[0]); |
| 353 | _error->WarningE("getArchitecture", "Can't detect foreign architectures supported by dpkg!"); |
| 354 | _exit(100); |
| 355 | } |
| 356 | close(external[1]); |
| 357 | |
| 358 | FILE *dpkg = fdopen(external[0], "r"); |
| 359 | if(dpkg != NULL) { |
| 360 | char buf[1024]; |
| 361 | while (fgets(buf, sizeof(buf), dpkg) != NULL) { |
| 362 | char* arch = strtok(buf, " "); |
| 363 | while (arch != NULL) { |
| 364 | for (; isspace(*arch) != 0; ++arch); |
| 365 | if (arch[0] != '\0') { |
| 366 | char const* archend = arch; |
| 367 | for (; isspace(*archend) == 0 && *archend != '\0'; ++archend); |
| 368 | string a(arch, (archend - arch)); |
| 369 | if (std::find(archs.begin(), archs.end(), a) == archs.end()) |
| 370 | archs.push_back(a); |
| 371 | } |
| 372 | arch = strtok(NULL, " "); |
| 373 | } |
| 374 | } |
| 375 | fclose(dpkg); |
| 376 | } |
| 377 | ExecWait(dpkgMultiArch, "dpkg --print-foreign-architectures", true); |
| 378 | return archs; |
| 379 | } |
| 380 | |
| 381 | if (archs.empty() == true || |
| 382 | std::find(archs.begin(), archs.end(), arch) == archs.end()) |
| 383 | archs.insert(archs.begin(), arch); |
| 384 | |
| 385 | // erase duplicates and empty strings |
| 386 | for (std::vector<string>::reverse_iterator a = archs.rbegin(); |
| 387 | a != archs.rend(); ++a) { |
| 388 | if (a->empty() == true || std::find(a + 1, archs.rend(), *a) != archs.rend()) |
| 389 | archs.erase(a.base()-1); |
| 390 | if (a == archs.rend()) |
| 391 | break; |
| 392 | } |
| 393 | |
| 394 | return archs; |
| 395 | } |
| 396 | /*}}}*/ |
| 397 | // checkArchitecture - are we interested in the given Architecture? /*{{{*/ |
| 398 | bool Configuration::checkArchitecture(std::string const &Arch) { |
| 399 | if (Arch == "all") |
| 400 | return true; |
| 401 | std::vector<std::string> const archs = getArchitectures(true); |
| 402 | return (std::find(archs.begin(), archs.end(), Arch) != archs.end()); |
| 403 | } |
| 404 | /*}}}*/ |
| 405 | // setDefaultConfigurationForCompressors /*{{{*/ |
| 406 | void Configuration::setDefaultConfigurationForCompressors() { |
| 407 | // Set default application paths to check for optional compression types |
| 408 | _config->CndSet("Dir::Bin::bzip2", "/bin/bzip2"); |
| 409 | _config->CndSet("Dir::Bin::xz", "/usr/bin/xz"); |
| 410 | if (FileExists(_config->FindFile("Dir::Bin::xz")) == true) { |
| 411 | _config->Set("Dir::Bin::lzma", _config->FindFile("Dir::Bin::xz")); |
| 412 | _config->Set("APT::Compressor::lzma::Binary", "xz"); |
| 413 | if (_config->Exists("APT::Compressor::lzma::CompressArg") == false) { |
| 414 | _config->Set("APT::Compressor::lzma::CompressArg::", "--format=lzma"); |
| 415 | _config->Set("APT::Compressor::lzma::CompressArg::", "-9"); |
| 416 | } |
| 417 | if (_config->Exists("APT::Compressor::lzma::UncompressArg") == false) { |
| 418 | _config->Set("APT::Compressor::lzma::UncompressArg::", "--format=lzma"); |
| 419 | _config->Set("APT::Compressor::lzma::UncompressArg::", "-d"); |
| 420 | } |
| 421 | } else { |
| 422 | _config->CndSet("Dir::Bin::lzma", "/usr/bin/lzma"); |
| 423 | if (_config->Exists("APT::Compressor::lzma::CompressArg") == false) { |
| 424 | _config->Set("APT::Compressor::lzma::CompressArg::", "--suffix="); |
| 425 | _config->Set("APT::Compressor::lzma::CompressArg::", "-9"); |
| 426 | } |
| 427 | if (_config->Exists("APT::Compressor::lzma::UncompressArg") == false) { |
| 428 | _config->Set("APT::Compressor::lzma::UncompressArg::", "--suffix="); |
| 429 | _config->Set("APT::Compressor::lzma::UncompressArg::", "-d"); |
| 430 | } |
| 431 | } |
| 432 | } |
| 433 | /*}}}*/ |
| 434 | // getCompressors - Return Vector of usealbe compressors /*{{{*/ |
| 435 | // --------------------------------------------------------------------- |
| 436 | /* return a vector of compressors used by apt-ftparchive in the |
| 437 | multicompress functionality or to detect data.tar files */ |
| 438 | std::vector<APT::Configuration::Compressor> |
| 439 | const Configuration::getCompressors(bool const Cached) { |
| 440 | static std::vector<APT::Configuration::Compressor> compressors; |
| 441 | if (compressors.empty() == false) { |
| 442 | if (Cached == true) |
| 443 | return compressors; |
| 444 | else |
| 445 | compressors.clear(); |
| 446 | } |
| 447 | |
| 448 | setDefaultConfigurationForCompressors(); |
| 449 | |
| 450 | compressors.push_back(Compressor(".", "", "", NULL, NULL, 1)); |
| 451 | if (_config->Exists("Dir::Bin::gzip") == false || FileExists(_config->FindFile("Dir::Bin::gzip")) == true) |
| 452 | compressors.push_back(Compressor("gzip",".gz","gzip","-9n","-d",2)); |
| 453 | #ifdef HAVE_ZLIB |
| 454 | else |
| 455 | compressors.push_back(Compressor("gzip",".gz","false", NULL, NULL, 2)); |
| 456 | #endif |
| 457 | if (_config->Exists("Dir::Bin::bzip2") == false || FileExists(_config->FindFile("Dir::Bin::bzip2")) == true) |
| 458 | compressors.push_back(Compressor("bzip2",".bz2","bzip2","-9","-d",3)); |
| 459 | #ifdef HAVE_BZ2 |
| 460 | else |
| 461 | compressors.push_back(Compressor("bzip2",".bz2","false", NULL, NULL, 3)); |
| 462 | #endif |
| 463 | if (_config->Exists("Dir::Bin::xz") == false || FileExists(_config->FindFile("Dir::Bin::xz")) == true) |
| 464 | compressors.push_back(Compressor("xz",".xz","xz","-6","-d",4)); |
| 465 | #ifdef HAVE_LZMA |
| 466 | else |
| 467 | compressors.push_back(Compressor("xz",".xz","false", NULL, NULL, 4)); |
| 468 | #endif |
| 469 | if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->FindFile("Dir::Bin::lzma")) == true) |
| 470 | compressors.push_back(Compressor("lzma",".lzma","lzma","-9","-d",5)); |
| 471 | #ifdef HAVE_LZMA |
| 472 | else |
| 473 | compressors.push_back(Compressor("lzma",".lzma","false", NULL, NULL, 5)); |
| 474 | #endif |
| 475 | |
| 476 | std::vector<std::string> const comp = _config->FindVector("APT::Compressor"); |
| 477 | for (std::vector<std::string>::const_iterator c = comp.begin(); |
| 478 | c != comp.end(); ++c) { |
| 479 | if (c->empty() || *c == "." || *c == "gzip" || *c == "bzip2" || *c == "lzma" || *c == "xz") |
| 480 | continue; |
| 481 | compressors.push_back(Compressor(c->c_str(), std::string(".").append(*c).c_str(), c->c_str(), "-9", "-d", 100)); |
| 482 | } |
| 483 | |
| 484 | return compressors; |
| 485 | } |
| 486 | /*}}}*/ |
| 487 | // getCompressorExtensions - supported data.tar extensions /*{{{*/ |
| 488 | // --------------------------------------------------------------------- |
| 489 | /* */ |
| 490 | std::vector<std::string> const Configuration::getCompressorExtensions() { |
| 491 | std::vector<APT::Configuration::Compressor> const compressors = getCompressors(); |
| 492 | std::vector<std::string> ext; |
| 493 | for (std::vector<APT::Configuration::Compressor>::const_iterator c = compressors.begin(); |
| 494 | c != compressors.end(); ++c) |
| 495 | if (c->Extension.empty() == false && c->Extension != ".") |
| 496 | ext.push_back(c->Extension); |
| 497 | return ext; |
| 498 | } |
| 499 | /*}}}*/ |
| 500 | // Compressor constructor /*{{{*/ |
| 501 | // --------------------------------------------------------------------- |
| 502 | /* */ |
| 503 | Configuration::Compressor::Compressor(char const *name, char const *extension, |
| 504 | char const *binary, |
| 505 | char const *compressArg, char const *uncompressArg, |
| 506 | unsigned short const cost) { |
| 507 | std::string const config = std::string("APT::Compressor::").append(name).append("::"); |
| 508 | Name = _config->Find(std::string(config).append("Name"), name); |
| 509 | Extension = _config->Find(std::string(config).append("Extension"), extension); |
| 510 | Binary = _config->Find(std::string(config).append("Binary"), binary); |
| 511 | Cost = _config->FindI(std::string(config).append("Cost"), cost); |
| 512 | std::string const compConf = std::string(config).append("CompressArg"); |
| 513 | if (_config->Exists(compConf) == true) |
| 514 | CompressArgs = _config->FindVector(compConf); |
| 515 | else if (compressArg != NULL) |
| 516 | CompressArgs.push_back(compressArg); |
| 517 | std::string const uncompConf = std::string(config).append("UncompressArg"); |
| 518 | if (_config->Exists(uncompConf) == true) |
| 519 | UncompressArgs = _config->FindVector(uncompConf); |
| 520 | else if (uncompressArg != NULL) |
| 521 | UncompressArgs.push_back(uncompressArg); |
| 522 | } |
| 523 | /*}}}*/ |
| 524 | // getBuildProfiles - return a vector of enabled build profiles /*{{{*/ |
| 525 | std::vector<std::string> const Configuration::getBuildProfiles() { |
| 526 | // order is: override value (~= commandline), environment variable, list (~= config file) |
| 527 | std::string profiles_env = getenv("DEB_BUILD_PROFILES") == 0 ? "" : getenv("DEB_BUILD_PROFILES"); |
| 528 | if (profiles_env.empty() == false) { |
| 529 | profiles_env = SubstVar(profiles_env, " ", ","); |
| 530 | std::string const bp = _config->Find("APT::Build-Profiles"); |
| 531 | _config->Clear("APT::Build-Profiles"); |
| 532 | if (bp.empty() == false) |
| 533 | _config->Set("APT::Build-Profiles", bp); |
| 534 | } |
| 535 | return _config->FindVector("APT::Build-Profiles", profiles_env); |
| 536 | } |
| 537 | std::string const Configuration::getBuildProfilesString() { |
| 538 | std::vector<std::string> profiles = getBuildProfiles(); |
| 539 | if (profiles.empty() == true) |
| 540 | return ""; |
| 541 | std::vector<std::string>::const_iterator p = profiles.begin(); |
| 542 | std::string list = *p; |
| 543 | for (; p != profiles.end(); ++p) |
| 544 | list.append(",").append(*p); |
| 545 | return list; |
| 546 | } |
| 547 | /*}}}*/ |
| 548 | } |