feat: support ubuntu version on Ubuntu-based distros

Author: aminya

dist/node12/setup-cpp.js

@@ -3,18 +3,23 @@ import { getUbuntuVersion } from "ubuntu-version"
 import which from "which"
 import { setupAptPack } from "../setup/setupAptPack"
 import { isUbuntu } from "./isUbuntu"
+import os from "os"
 
 export async function ubuntuVersion(): Promise<number[] | null> {
   try {
     if (isUbuntu()) {
-      if (which.sync("lsb_release", { nothrow: true }) === null) {
-        await setupAptPack([{ name: "lsb-release" }])
+      try {
+        if (which.sync("lsb_release", { nothrow: true }) === null) {
+          await setupAptPack([{ name: "lsb-release" }])
+        }
+      } catch {
+        return detectUsingOsVersion()
       }
+
       const versionSplitted = await getUbuntuVersion()
 
       if (versionSplitted.length === 0) {
-        warning("Failed to get the ubuntu major version.")
-        return null
+        return detectUsingOsVersion()
       }
 
       return versionSplitted
@@ -26,3 +31,14 @@ export async function ubuntuVersion(): Promise<number[] | null> {
     return null
   }
 }
+/** Detect Ubuntu version using os.version() for Ubuntu based distros */
+function detectUsingOsVersion() {
+  // #46~22.04.1-Ubuntu SMP ...
+  const osVersion = os.version()
+  const versionSplitted = osVersion.split(".")
+  const majorVersion = parseInt(versionSplitted[0].replace("#", ""), 10)
+  const minorVersion = parseInt(versionSplitted[1].replace("~", ""), 10)
+  const patchVersion = parseInt(versionSplitted[2].split("-")[0], 10)
+
+  return [majorVersion, minorVersion, patchVersion]
+}