Function linuxVersionMeta

hostinfo/hostinfo_linux.go:85–162

()

}

func linuxVersionMeta() (meta versionMeta) {
	dist := distro.Get()
	meta.DistroName = string(dist)

	propFile := "/etc/os-release"
	switch dist {
	case distro.Synology:
		propFile = "/etc.defaults/VERSION"
	case distro.OpenWrt:
		propFile = "/etc/openwrt_release"
	case distro.Unraid:
		propFile = "/etc/unraid-version"
	case distro.WDMyCloud:
		slurp, _ := os.ReadFile("/etc/version")
		meta.DistroVersion = string(bytes.TrimSpace(slurp))
		return
	case distro.QNAP:
		slurp, _ := os.ReadFile("/etc/version_info")
		meta.DistroVersion = getQnapQtsVersion(string(slurp))
		return
	}

	m := map[string]string{}
	for lr := range lineiter.File(propFile) {
		line, err := lr.Value()
		if err != nil {
			break
		}
		before, after, ok := bytes.Cut(line, []byte{'='})
		if !ok {
			continue
		}
		k, v := string(before), strings.Trim(string(after), `"'`)
		m[k] = v
	}

	if v := m["VERSION_CODENAME"]; v != "" {
		meta.DistroCodeName = v
	}
	if v := m["VERSION_ID"]; v != "" {
		meta.DistroVersion = v
	}
	id := m["ID"]
	if id != "" {
		meta.DistroName = id
	}
	switch id {
	case "debian":
		// Debian's VERSION_ID is just like "11". But /etc/debian_version has "11.5" normally.
		// Or "bookworm/sid" on sid/testing.
		slurp, _ := os.ReadFile("/etc/debian_version")
		if v := string(bytes.TrimSpace(slurp)); v != "" {
			if '0' <= v[0] && v[0] <= '9' {
				meta.DistroVersion = v
			} else if meta.DistroCodeName == "" {
				meta.DistroCodeName = v
			}
		}