| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "os/exec" |
| 5 | "strconv" |
| 6 | "strings" |
| 7 | ) |
| 8 | |
| 9 | func sysctlString(name string) string { |
| 10 | out, err := exec.Command("sysctl", "-n", name).Output() |
| 11 | if err != nil { |
| 12 | return "" |
| 13 | } |
| 14 | return strings.TrimSpace(string(out)) |
| 15 | } |
| 16 | |
| 17 | func platformOSVersion() string { |
| 18 | out, err := exec.Command("sw_vers", "-productVersion").Output() |
| 19 | if err != nil { |
| 20 | return "macOS" |
| 21 | } |
| 22 | return "macOS " + strings.TrimSpace(string(out)) |
| 23 | } |
| 24 | |
| 25 | func platformCPU() string { |
| 26 | return sysctlString("machdep.cpu.brand_string") |
| 27 | } |
| 28 | |
| 29 | func platformRAMBytes() uint64 { |
| 30 | n, err := strconv.ParseUint(sysctlString("hw.memsize"), 10, 64) |
| 31 | if err != nil { |
| 32 | return 0 |
| 33 | } |
| 34 | return n |
| 35 | } |
| 36 |