Update ReleaseHelper to work with most Linux distributions

refs #8888
This commit is contained in:
Jean-Marcel Flach 2015-04-27 16:21:59 +02:00
parent bb590658ac
commit f13460a2dd
1 changed files with 49 additions and 11 deletions

View File

@ -32,6 +32,7 @@
#include <boost/algorithm/string/classification.hpp>
#include <boost/foreach.hpp>
#include <boost/algorithm/string/split.hpp>
#include <boost/algorithm/string/trim.hpp>
#include <boost/exception/errinfo_api_function.hpp>
#include <boost/exception/errinfo_errno.hpp>
#include <boost/exception/errinfo_file_name.hpp>
@ -485,23 +486,58 @@ static String UnameHelper(char type)
return result;
}
static String LsbReleaseHelper(void)
int ReleaseHelper(std::string &result)
{
/* You are useing *some* distribution */
FILE *fp = popen("lsb_release -s -d 2>&1", "r");
char line[1024];
std::ostringstream msgbuf;
if (fp != NULL) {
char line[1024];
while (fgets(line, sizeof(line), fp) != NULL)
msgbuf << line;
int status = pclose(fp);
if (WEXITSTATUS(status) == 0) {
result = msgbuf.str();
boost::trim(result);
return result.length();
}
}
pclose(fp);
/* You have systemd or Ubuntu etc. */
std::ifstream release("/etc/os-release");
std::string release_line;
if (release.is_open()) {
while (getline(release, release_line)) {
if (release_line.find("PRETTY_NAME") != std::string::npos) {
result = release_line.substr(13, release_line.length() - 14);
return result.length();
}
}
}
String result = msgbuf.str();
result.Trim();
/* Centos < 7 */
release.close();
release.open("/etc/redhat-release");
if (release.is_open()) {
getline(release, release_line);
result = release_line;
return result.length();
}
return result;
/* sles 11 sp3, opensuse w/e */
release.close();
release.open("etc/SuSE-release");
if (release.is_open()) {
getline(release, release_line);
result = release_line;
return result.length();
}
/* Just give up */
return 0;
}
#endif /* _WIN32 */
/**
@ -534,7 +570,9 @@ void Application::DisplayInfoMessage(std::ostream& os, bool skipVersion)
#endif /* _WIN32 */
#ifdef __linux__
os << " Distribution: " << LsbReleaseHelper() << "\n";
std::string release;
if (ReleaseHelper(release))
os << " Distribution: " << release << "\n";
#endif /* __linux__ */
}