QString getLinuxDistribution() {
#if defined(HAVE_POPEN) && defined(HAVE_PCLOSE)
{
QString distro(getOutputOf("lsb_release -d").trimmed());
QString prefix("Description:");
if(distro.startsWith(prefix)) {
distro = distro.mid(prefix.length()).trimmed();
}
if(!distro.isEmpty()) {
QString codename(getOutputOf("lsb_release -c").trimmed());
QString prefix("Codename:");
if(codename.startsWith(prefix)) {
codename = codename.mid(prefix.length()).trimmed();
}
if(!codename.isEmpty() && codename != "n/a") {
distro += " (";
distro += codename;
distro += ")";
}
return distro;
}
}
#endif
// Fallback for older / non-LSB-compliant distros.
// Release file list taken from http://linuxmafia.com/faq/Admin/release-files.html
const char * release_files[] = {
"/etc/annvix-release",
"/etc/arch-release",
"/etc/arklinux-release",
"/etc/aurox-release",
"/etc/blackcat-release",
"/etc/cobalt-release",
"/etc/conectiva-release",
"/etc/fedora-release",
"/etc/gentoo-release",
"/etc/immunix-release",
"/etc/lfs-release",
"/etc/linuxppc-release",
"/etc/mandriva-release",
"/etc/mandrake-release",
"/etc/mandakelinux-release",
"/etc/mklinux-release",
"/etc/nld-release",
"/etc/pld-release",
"/etc/slackware-release",
"/etc/e-smith-release",
"/etc/release",
"/etc/sun-release",
"/etc/SuSE-release",
"/etc/novell-release",
"/etc/sles-release",
"/etc/tinysofa-release",
"/etc/turbolinux-release",
"/etc/ultrapenguin-release",
"/etc/UnitedLinux-release",
"/etc/va-release",
"/etc/yellowdog-release",
"/etc/debian_release",
"/etc/redhat-release",
};
const char * version_files[][2] = {
{ "/etc/debian_version", "Debian " },
{ "/etc/knoppix_version", "Knoppix " },
{ "/etc/redhat_version", "RedHat " },
{ "/etc/slackware-version", "Slackware " },
};
const char * lsb_release = "/etc/lsb-release";
for(size_t i = 0; i < ARRAY_SIZE(release_files); i++) {
QFile file(release_files[i]);
if(file.exists()) {
file.open(QIODevice::ReadOnly);
QString distro(QString(file.readAll()).trimmed());
file.close();
if(!distro.isEmpty()) {
return distro;
}
}
}
for(size_t i = 0; i < ARRAY_SIZE(version_files); i++) {
QFile file(version_files[i][0]);
if(file.exists()) {
file.open(QIODevice::ReadOnly);
QString distro(version_files[i][1] + QString(file.readAll()).trimmed());
file.close();
if(!distro.isEmpty()) {
return distro;
}
}
}
QFile file(lsb_release);
if(file.exists()) {
file.open(QIODevice::ReadOnly);
QString distro(QString(file.readAll()).trimmed());
file.close();
QString prefix("DISTRIB_ID=\"");
QString suffix("\"");
if(distro.startsWith(prefix) && distro.endsWith(suffix)) {
distro = distro.mid(
prefix.length(),
distro.length() - prefix.length() - suffix.length()
).trimmed();
}
return distro;
}
return QString();
}
std::string getOSDistribution() {
#if ARX_PLATFORM == ARX_PLATFORM_LINUX
// Get distribution information from SystemD's /etc/os-release
// Spec: http://www.freedesktop.org/software/systemd/man/os-release.html
{
fs::ifstream ifs("/etc/os-release");
if(ifs.is_open()) {
const char * keys[] = { "PRETTY_NAME", "NAME", "VERSION", "VERSION_ID" };
std::string distro = parseDistributionName(ifs, '=', keys, ARRAY_SIZE(keys));
if(!distro.empty()) {
return distro;
}
}
}
// Get distribution information from `lsb_release -a` output.
// Don't parse /etc/lsb-release ourselves unless there is no other way
// because lsb_release may have distro-specific patches
{
const char * args[] = { "lsb_release", "-a", NULL };
std::istringstream iss(getOutputOf(args));
const char * keys[] = { "Description", "Distributor ID", "Release", "(Codename" };
std::string distro = parseDistributionName(iss, ':', keys, ARRAY_SIZE(keys));
if(!distro.empty()) {
return distro;
}
}
// Fallback for older / non-LSB-compliant distros.
// Release file list taken from http://linuxmafia.com/faq/Admin/release-files.html
const char * release_files[] = {
"/etc/annvix-release",
"/etc/arch-release",
"/etc/arklinux-release",
"/etc/aurox-release",
"/etc/blackcat-release",
"/etc/cobalt-release",
"/etc/conectiva-release",
"/etc/fedora-release",
"/etc/gentoo-release",
"/etc/immunix-release",
"/etc/lfs-release",
"/etc/linuxppc-release",
"/etc/mandriva-release",
"/etc/mandrake-release",
"/etc/mandakelinux-release",
"/etc/mklinux-release",
"/etc/nld-release",
"/etc/pld-release",
"/etc/slackware-release",
"/etc/e-smith-release",
"/etc/release",
"/etc/sun-release",
"/etc/SuSE-release",
"/etc/novell-release",
"/etc/sles-release",
"/etc/tinysofa-release",
"/etc/turbolinux-release",
"/etc/ultrapenguin-release",
"/etc/UnitedLinux-release",
"/etc/va-release",
"/etc/yellowdog-release",
"/etc/debian_release",
"/etc/redhat-release",
"/etc/frugalware-release",
"/etc/altlinux-release",
"/etc/meego-release",
"/etc/mageia-release",
"/etc/system-release",
};
for(size_t i = 0; i < ARRAY_SIZE(release_files); i++) {
std::string distro = fs::read(release_files[i]);
boost::trim(distro);
if(!distro.empty()) {
return distro;
}
}
const char * version_files[][2] = {
{ "/etc/debian_version", "Debian " },
{ "/etc/knoppix_version", "Knoppix " },
{ "/etc/redhat_version", "RedHat " },
{ "/etc/slackware-version", "Slackware " },
{ "/etc/angstrom-version", "Ångström " },
};
for(size_t i = 0; i < ARRAY_SIZE(version_files); i++) {
if(fs::exists(version_files[i][0])) {
std::string distro = version_files[i][1] + fs::read(release_files[i]);
boost::trim(distro);
return distro;
}
}
// Fallback: parse /etc/lsb-release ourselves
{
fs::ifstream ifs("/etc/lsb-release");
if(ifs.is_open()) {
const char * keys[] = {
"DISTRIB_DESCRIPTION", "DISTRIB_ID", "DISTRIB_RELEASE", "(DISTRIB_CODENAME"
};
std::string distro = parseDistributionName(ifs, '=', keys, ARRAY_SIZE(keys));
if(!distro.empty()) {
return distro;
}
}
}
#endif // ARX_PLATFORM == ARX_PLATFORM_LINUX
return std::string();
}
