X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/6c1f5d2c3c8df164e78dda8f24d28667634403e1..304731b8f23e03d15d1c2d6f66e1bf5f26ac0ca2:/apt-pkg/aptconfiguration.cc

diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index d763546f8..e32e553a4 100644
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -234,17 +234,21 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
 	// override the configuration settings vector of languages.
 	string const forceLang = _config->Find("Acquire::Languages","");
 	if (forceLang.empty() == false) {
-		if (forceLang == "environment") {
-			codes = environment;
-		} else if (forceLang != "none")
-			codes.push_back(forceLang);
-		else //if (forceLang == "none")
-			builtin.clear();
-		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 (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
@@ -315,6 +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;
@@ -373,12 +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)
+				_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);
@@ -386,8 +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) {