1 files changed, 32 insertions, 0 deletions
diff --git a/vendor/os_info/src/uname.rs b/vendor/os_info/src/uname.rs
new file mode 100644
index 000000000..f4417e882
--- /dev/null
+++ b/vendor/os_info/src/uname.rs
@@ -0,0 +1,32 @@
+use std::process::Command;
+
+use log::error;
+
+pub fn uname() -> Option<String> {
+    Command::new("uname")
+        .arg("-r")
+        .output()
+        .map_err(|e| {
+            error!("Failed to invoke 'uname': {:?}", e);
+        })
+        .ok()
+        .and_then(|out| {
+            if out.status.success() {
+                Some(String::from_utf8_lossy(&out.stdout).trim_end().to_owned())
+            } else {
+                log::error!("'uname' invocation error: {:?}", out);
+                None
+            }
+        })
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn uname_nonempty() {
+        let val = uname().expect("uname failed");
+        assert!(!val.is_empty());
+    }
+}