X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/f87fab03bade8a049b318df68dfa4c361fab944c..342df712331004aa4907c9dbdf4b7728d087efb0:/apt-pkg/aptconfiguration.cc

diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index d31ccb642..115d11616 100644
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -319,6 +319,17 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
 		return codes;
 }
 									/*}}}*/
+// checkLanguage - are we interested in the given Language?		/*{{{*/
+bool const 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;
+	// filenames are encoded, so undo this
+	Lang = SubstVar(Lang, "%5f", "_");
+	std::vector<std::string> const langs = getLanguages(All, true);
+	return (std::find(langs.begin(), langs.end(), Lang) != langs.end());
+}
+									/*}}}*/
 // getArchitectures - Return Vector of prefered Architectures		/*{{{*/
 std::vector<std::string> const Configuration::getArchitectures(bool const &Cached) {
 	using std::string;
@@ -377,12 +388,12 @@ 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 (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);
+			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);
@@ -390,8 +401,8 @@ std::vector<std::string> const Configuration::getArchitectures(bool const &Cache
 		close(external[1]);
 
 		FILE *dpkg = fdopen(external[0], "r");
-		char buf[1024];
 		if(dpkg != NULL) {
+			char buf[1024];
 			while (fgets(buf, sizeof(buf), dpkg) != NULL) {
 				char* arch = strtok(buf, " ");
 				while (arch != NULL) {
@@ -442,7 +453,7 @@ 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->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");