init

Signed-off-by: Hadi <[email protected]>

internal/util/os.go

@@ -0,0 +1,48 @@
+package util
+
+import (
+	"os"
+	"runtime"
+	"strings"
+)
+
+// OSName returns a human-readable OS name, e.g. "NixOS 25.05" or
+// "Ubuntu 24.04.1 LTS", read from /etc/os-release. Falls back to
+// runtime.GOOS if the file is missing or has no PRETTY_NAME.
+func OSName() string {
+	data, err := os.ReadFile("/etc/os-release")
+	if err != nil {
+		return runtime.GOOS
+	}
+	for _, line := range strings.Split(string(data), "\n") {
+		name, ok := strings.CutPrefix(line, "PRETTY_NAME=")
+		if !ok {
+			continue
+		}
+		return strings.Trim(strings.TrimSpace(name), `"`)
+	}
+	return runtime.GOOS
+}
+
+// KernelVersion returns the running kernel release, e.g. "6.12.9-arch1-1".
+func KernelVersion() string {
+	data, err := os.ReadFile("/proc/sys/kernel/osrelease")
+	if err != nil {
+		return "unknown"
+	}
+	return strings.TrimSpace(string(data))
+}
+
+// Hostname returns the machine's hostname.
+func Hostname() string {
+	name, err := os.Hostname()
+	if err != nil {
+		return "unknown"
+	}
+	return name
+}
+
+// Arch returns the CPU architecture, e.g. "amd64".
+func Arch() string {
+	return runtime.GOARCH
+}