Add support to systemd/freedesktop /etc/os-release to give system info.

1 files changed, 37 insertions, 1 deletions

diff --git a/src/sysinfo.cpp b/src/sysinfo.cpp
index 2cc163d..e60058e 100644
--- a/src/sysinfo.cpp
+++ b/src/sysinfo.cpp
@@ -387,9 +387,45 @@ namespace {
   };
 
 
+  class GenericSysInfo
+    : public SysInfo
+  {
+  public:
+    GenericSysInfo()
+    {
+      this->load_os_release();
+    }
+
+  private:
+    void load_os_release()
+    {
+      std::ifstream input("/etc/os-release");
+
+      if (input) {
+        while (!input.eof()) {
+          string s;
+          int len;
+          std::getline(input, s);
+          if (s.find("NAME=") == 0) {
+            len = strlen("NAME=");
+            this->distro_name = s.substr(len);
+          } else if (s.find("VERSION=") == 0) {
+            len = strlen("VERSION=");
+            // also strip the surrounding quotes
+            this->distro_release = s.substr(len + 1, s.size() - len - 2);
+          }
+        }
+      }
+    }
+  };
+
+
   SysInfo* get_sysinfo()
   {
-    if (char *p = g_find_program_in_path("lsb_release")) {
+    if (g_file_test ("/etc/os-release", G_FILE_TEST_EXISTS)) {
+      return new GenericSysInfo;
+    }
+    else if (char *p = g_find_program_in_path("lsb_release")) {
       g_free(p);
       return new LSBSysInfo;
     }