rework cachesets API to allow future extension

[apt.git] / apt-pkg / aptconfiguration.cc

diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index 653775688506ad1af1088cc2fb1c21967f78228f..94b6bc2468b8b5ef0e045dd4df7221afc58589fd 100644 (file)
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -17,19 +17,24 @@
 #include <apt-pkg/macros.h>
 #include <apt-pkg/strutl.h>
 
 #include <apt-pkg/macros.h>
 #include <apt-pkg/strutl.h>
 

-#include <sys/types.h>

 #include <dirent.h>
 #include <stdio.h>
 #include <fcntl.h>
 #include <dirent.h>
 #include <stdio.h>
 #include <fcntl.h>

-
+#include <ctype.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>

 #include <algorithm>
 #include <string>
 #include <vector>
 #include <algorithm>
 #include <string>
 #include <vector>

+
+#include <apti18n.h>

                                                                        /*}}}*/
 namespace APT {
                                                                        /*}}}*/
 namespace APT {

-// getCompressionTypes - Return Vector of usbale compressiontypes      /*{{{*/
+// getCompressionTypes - Return Vector of usable compressiontypes      /*{{{*/

 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------

-/* return a vector of compression types in the prefered order. */
+/* return a vector of compression types in the preferred order. */

 std::vector<std::string>
 const Configuration::getCompressionTypes(bool const &Cached) {
        static std::vector<std::string> types;
 std::vector<std::string>
 const Configuration::getCompressionTypes(bool const &Cached) {
        static std::vector<std::string> types;


@@ -49,11 +54,6 @@ const Configuration::getCompressionTypes(bool const &Cached) {
        setDefaultConfigurationForCompressors();
        std::vector<APT::Configuration::Compressor> const compressors = getCompressors();
 
        setDefaultConfigurationForCompressors();
        std::vector<APT::Configuration::Compressor> const compressors = getCompressors();
 

-       // accept non-list order as override setting for config settings on commandline
-       std::string const overrideOrder = _config->Find("Acquire::CompressionTypes::Order","");
-       if (overrideOrder.empty() == false)
-               types.push_back(overrideOrder);
-

        // load the order setting into our vector
        std::vector<std::string> const order = _config->FindVector("Acquire::CompressionTypes::Order");
        for (std::vector<std::string>::const_iterator o = order.begin();
        // load the order setting into our vector
        std::vector<std::string> const order = _config->FindVector("Acquire::CompressionTypes::Order");
        for (std::vector<std::string>::const_iterator o = order.begin();


@@ -109,7 +109,7 @@ const Configuration::getCompressionTypes(bool const &Cached) {
                                                                        /*}}}*/
 // GetLanguages - Return Vector of Language Codes                      /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // GetLanguages - Return Vector of Language Codes                      /*{{{*/
 // ---------------------------------------------------------------------

-/* return a vector of language codes in the prefered order.
+/* return a vector of language codes in the preferred order.

    the special word "environment" will be replaced with the long and the short
    code of the local settings and it will be insured that this will not add
    duplicates. So in an german local the setting "environment, de_DE, en, de"
    the special word "environment" will be replaced with the long and the short
    code of the local settings and it will be insured that this will not add
    duplicates. So in an german local the setting "environment, de_DE, en, de"


@@ -141,7 +141,7 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
        // so they will be all included in the Cache.
        std::vector<string> builtin;
        DIR *D = opendir(_config->FindDir("Dir::State::lists").c_str());
        // so they will be all included in the Cache.
        std::vector<string> builtin;
        DIR *D = opendir(_config->FindDir("Dir::State::lists").c_str());

-       if (D != 0) {
+       if (D != NULL) {

                builtin.push_back("none");
                for (struct dirent *Ent = readdir(D); Ent != 0; Ent = readdir(D)) {
                        string const name = SubstVar(Ent->d_name, "%5f", "_");
                builtin.push_back("none");
                for (struct dirent *Ent = readdir(D); Ent != 0; Ent = readdir(D)) {
                        string const name = SubstVar(Ent->d_name, "%5f", "_");


@@ -166,8 +166,8 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
                                continue;
                        builtin.push_back(c);
                }
                                continue;
                        builtin.push_back(c);
                }

+               closedir(D);

        }
        }

-       closedir(D);

 
        // FIXME: Remove support for the old APT::Acquire::Translation
        // it was undocumented and so it should be not very widthly used
 
        // FIXME: Remove support for the old APT::Acquire::Translation
        // it was undocumented and so it should be not very widthly used


@@ -227,61 +227,11 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
                        }
                }
        } else {
                        }
                }
        } else {

+               // cornercase: LANG=C, so we use only "en" Translation

                environment.push_back("en");
        }
 
                environment.push_back("en");
        }
 

-       // Support settings like Acquire::Languages=none on the command line to
-       // override the configuration settings vector of languages.
-       string const forceLang = _config->Find("Acquire::Languages","");
-       if (forceLang.empty() == false) {
-               if (forceLang == "none") {
-                       codes.clear();
-                       allCodes.clear();
-                       allCodes.push_back("none");
-               } else {
-                       if (forceLang == "environment")
-                               codes = environment;
-                       else
-                               codes.push_back(forceLang);
-                       allCodes = codes;
-                       for (std::vector<string>::const_iterator b = builtin.begin();
-                            b != builtin.end(); ++b)
-                               if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end())
-                                       allCodes.push_back(*b);
-               }
-               if (All == true)
-                       return allCodes;
-               else
-                       return codes;
-       }
-
-       // cornercase: LANG=C, so we use only "en" Translation
-       if (envShort == "C") {
-               allCodes = codes = environment;
-               allCodes.insert(allCodes.end(), builtin.begin(), builtin.end());
-               if (All == true)
-                       return allCodes;
-               else
-                       return codes;
-       }
-
-       std::vector<string> const lang = _config->FindVector("Acquire::Languages");
-       // the default setting -> "environment, en"
-       if (lang.empty() == true) {
-               codes = environment;
-               if (envShort != "en")
-                       codes.push_back("en");
-               allCodes = codes;
-               for (std::vector<string>::const_iterator b = builtin.begin();
-                    b != builtin.end(); ++b)
-                       if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end())
-                               allCodes.push_back(*b);
-               if (All == true)
-                       return allCodes;
-               else
-                       return codes;
-       }
-
+       std::vector<string> const lang = _config->FindVector("Acquire::Languages", "environment,en");

        // the configs define the order, so add the environment
        // then needed and ensure the codes are not listed twice.
        bool noneSeen = false;
        // the configs define the order, so add the environment
        // then needed and ensure the codes are not listed twice.
        bool noneSeen = false;


@@ -308,10 +258,15 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
                allCodes.push_back(*l);
        }
 
                allCodes.push_back(*l);
        }
 

-       for (std::vector<string>::const_iterator b = builtin.begin();
-            b != builtin.end(); ++b)
-               if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end())
-                       allCodes.push_back(*b);
+       if (allCodes.empty() == false) {
+               for (std::vector<string>::const_iterator b = builtin.begin();
+                    b != builtin.end(); ++b)
+                       if (std::find(allCodes.begin(), allCodes.end(), *b) == allCodes.end())
+                               allCodes.push_back(*b);
+       } else {
+               // "none" was forced
+               allCodes.push_back("none");
+       }

 
        if (All == true)
                return allCodes;
 
        if (All == true)
                return allCodes;


@@ -320,7 +275,7 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
 }
                                                                        /*}}}*/
 // checkLanguage - are we interested in the given Language?            /*{{{*/
 }
                                                                        /*}}}*/
 // checkLanguage - are we interested in the given Language?            /*{{{*/

-bool const Configuration::checkLanguage(std::string Lang, bool const All) {
+bool Configuration::checkLanguage(std::string Lang, bool const All) {

        // the empty Language is always interesting as it is the original
        if (Lang.empty() == true)
                return true;
        // the empty Language is always interesting as it is the original
        if (Lang.empty() == true)
                return true;


@@ -330,7 +285,7 @@ bool const Configuration::checkLanguage(std::string Lang, bool const All) {
        return (std::find(langs.begin(), langs.end(), Lang) != langs.end());
 }
                                                                        /*}}}*/
        return (std::find(langs.begin(), langs.end(), Lang) != langs.end());
 }
                                                                        /*}}}*/

-// getArchitectures - Return Vector of prefered Architectures          /*{{{*/
+// getArchitectures - Return Vector of preferred Architectures         /*{{{*/

 std::vector<std::string> const Configuration::getArchitectures(bool const &Cached) {
        using std::string;
 
 std::vector<std::string> const Configuration::getArchitectures(bool const &Cached) {
        using std::string;
 


@@ -388,12 +343,12 @@ std::vector<std::string> const Configuration::getArchitectures(bool const &Cache
                if (dpkgMultiArch == 0) {
                        close(external[0]);
                        std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");
                if (dpkgMultiArch == 0) {
                        close(external[0]);
                        std::string const chrootDir = _config->FindDir("DPkg::Chroot-Directory");

-                       if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0)
-                               _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --print-foreign-architectures", chrootDir.c_str());

                        int const nullfd = open("/dev/null", O_RDONLY);
                        dup2(nullfd, STDIN_FILENO);
                        dup2(external[1], STDOUT_FILENO);
                        dup2(nullfd, STDERR_FILENO);
                        int const nullfd = open("/dev/null", O_RDONLY);
                        dup2(nullfd, STDIN_FILENO);
                        dup2(external[1], STDOUT_FILENO);
                        dup2(nullfd, STDERR_FILENO);

+                       if (chrootDir != "/" && chroot(chrootDir.c_str()) != 0 && chdir("/") != 0)
+                               _error->WarningE("getArchitecture", "Couldn't chroot into %s for dpkg --print-foreign-architectures", chrootDir.c_str());

                        execvp(Args[0], (char**) &Args[0]);
                        _error->WarningE("getArchitecture", "Can't detect foreign architectures supported by dpkg!");
                        _exit(100);
                        execvp(Args[0], (char**) &Args[0]);
                        _error->WarningE("getArchitecture", "Can't detect foreign architectures supported by dpkg!");
                        _exit(100);


@@ -401,8 +356,8 @@ std::vector<std::string> const Configuration::getArchitectures(bool const &Cache
                close(external[1]);
 
                FILE *dpkg = fdopen(external[0], "r");
                close(external[1]);
 
                FILE *dpkg = fdopen(external[0], "r");

-               char buf[1024];

                if(dpkg != NULL) {
                if(dpkg != NULL) {

+                       char buf[1024];

                        while (fgets(buf, sizeof(buf), dpkg) != NULL) {
                                char* arch = strtok(buf, " ");
                                while (arch != NULL) {
                        while (fgets(buf, sizeof(buf), dpkg) != NULL) {
                                char* arch = strtok(buf, " ");
                                while (arch != NULL) {


@@ -440,7 +395,7 @@ std::vector<std::string> const Configuration::getArchitectures(bool const &Cache
 }
                                                                        /*}}}*/
 // checkArchitecture - are we interested in the given Architecture?    /*{{{*/
 }
                                                                        /*}}}*/
 // checkArchitecture - are we interested in the given Architecture?    /*{{{*/

-bool const Configuration::checkArchitecture(std::string const &Arch) {
+bool Configuration::checkArchitecture(std::string const &Arch) {

        if (Arch == "all")
                return true;
        std::vector<std::string> const archs = getArchitectures(true);
        if (Arch == "all")
                return true;
        std::vector<std::string> const archs = getArchitectures(true);


@@ -453,7 +408,7 @@ void Configuration::setDefaultConfigurationForCompressors() {
        _config->CndSet("Dir::Bin::bzip2", "/bin/bzip2");
        _config->CndSet("Dir::Bin::xz", "/usr/bin/xz");
        if (FileExists(_config->FindFile("Dir::Bin::xz")) == true) {
        _config->CndSet("Dir::Bin::bzip2", "/bin/bzip2");
        _config->CndSet("Dir::Bin::xz", "/usr/bin/xz");
        if (FileExists(_config->FindFile("Dir::Bin::xz")) == true) {

-               _config->Clear("Dir::Bin::lzma");
+               _config->Set("Dir::Bin::lzma", _config->FindFile("Dir::Bin::xz"));

                _config->Set("APT::Compressor::lzma::Binary", "xz");
                if (_config->Exists("APT::Compressor::lzma::CompressArg") == false) {
                        _config->Set("APT::Compressor::lzma::CompressArg::", "--format=lzma");
                _config->Set("APT::Compressor::lzma::Binary", "xz");
                if (_config->Exists("APT::Compressor::lzma::CompressArg") == false) {
                        _config->Set("APT::Compressor::lzma::CompressArg::", "--format=lzma");


@@ -476,7 +431,7 @@ void Configuration::setDefaultConfigurationForCompressors() {
        }
 }
                                                                        /*}}}*/
        }
 }
                                                                        /*}}}*/

-// getCompressors - Return Vector of usbale compressors                        /*{{{*/
+// getCompressors - Return Vector of usealbe compressors               /*{{{*/

 // ---------------------------------------------------------------------
 /* return a vector of compressors used by apt-ftparchive in the
    multicompress functionality or to detect data.tar files */
 // ---------------------------------------------------------------------
 /* return a vector of compressors used by apt-ftparchive in the
    multicompress functionality or to detect data.tar files */


@@ -507,13 +462,21 @@ const Configuration::getCompressors(bool const Cached) {
 #endif
        if (_config->Exists("Dir::Bin::xz") == false || FileExists(_config->FindFile("Dir::Bin::xz")) == true)
                compressors.push_back(Compressor("xz",".xz","xz","-6","-d",4));
 #endif
        if (_config->Exists("Dir::Bin::xz") == false || FileExists(_config->FindFile("Dir::Bin::xz")) == true)
                compressors.push_back(Compressor("xz",".xz","xz","-6","-d",4));

+#ifdef HAVE_LZMA
+       else
+               compressors.push_back(Compressor("xz",".xz","false", NULL, NULL, 4));
+#endif

        if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->FindFile("Dir::Bin::lzma")) == true)
                compressors.push_back(Compressor("lzma",".lzma","lzma","-9","-d",5));
        if (_config->Exists("Dir::Bin::lzma") == false || FileExists(_config->FindFile("Dir::Bin::lzma")) == true)
                compressors.push_back(Compressor("lzma",".lzma","lzma","-9","-d",5));

+#ifdef HAVE_LZMA
+       else
+               compressors.push_back(Compressor("lzma",".lzma","false", NULL, NULL, 5));
+#endif

 
        std::vector<std::string> const comp = _config->FindVector("APT::Compressor");
        for (std::vector<std::string>::const_iterator c = comp.begin();
             c != comp.end(); ++c) {
 
        std::vector<std::string> const comp = _config->FindVector("APT::Compressor");
        for (std::vector<std::string>::const_iterator c = comp.begin();
             c != comp.end(); ++c) {

-               if (*c == "." || *c == "gzip" || *c == "bzip2" || *c == "lzma" || *c == "xz")
+               if (c->empty() || *c == "." || *c == "gzip" || *c == "bzip2" || *c == "lzma" || *c == "xz")

                        continue;
                compressors.push_back(Compressor(c->c_str(), std::string(".").append(*c).c_str(), c->c_str(), "-9", "-d", 100));
        }
                        continue;
                compressors.push_back(Compressor(c->c_str(), std::string(".").append(*c).c_str(), c->c_str(), "-9", "-d", 100));
        }


@@ -558,4 +521,28 @@ Configuration::Compressor::Compressor(char const *name, char const *extension,
                UncompressArgs.push_back(uncompressArg);
 }
                                                                        /*}}}*/
                UncompressArgs.push_back(uncompressArg);
 }
                                                                        /*}}}*/

+// getBuildProfiles - return a vector of enabled build profiles                /*{{{*/
+std::vector<std::string> const Configuration::getBuildProfiles() {
+       // order is: override value (~= commandline), environment variable, list (~= config file)
+       std::string profiles_env = getenv("DEB_BUILD_PROFILES") == 0 ? "" : getenv("DEB_BUILD_PROFILES");
+       if (profiles_env.empty() == false) {
+               profiles_env = SubstVar(profiles_env, " ", ",");
+               std::string const bp = _config->Find("APT::Build-Profiles");
+               _config->Clear("APT::Build-Profiles");
+               if (bp.empty() == false)
+                       _config->Set("APT::Build-Profiles", bp);
+       }
+       return _config->FindVector("APT::Build-Profiles", profiles_env);
+}
+std::string const Configuration::getBuildProfilesString() {
+       std::vector<std::string> profiles = getBuildProfiles();
+       if (profiles.empty() == true)
+               return "";
+       std::vector<std::string>::const_iterator p = profiles.begin();
+       std::string list = *p;
+       for (++p; p != profiles.end(); ++p)
+          list.append(",").append(*p);
+       return list;
+}
+                                                                       /*}}}*/

 }
 }