Improved Ruby version detection

Signed-off-by: Prabhu Subramanian <[email protected]>

README.md

@@ -216,7 +216,7 @@ atom -o app.atom -l java --export-atom --export-dir <export dir> --with-data-dep
 - TypeScript
 - Python
 - PHP (Requires PHP >= 7.0. Supports PHP 5.2 to 8.3)
-- Ruby (Requires Ruby >= 3.1.4. Supports Ruby 1.8 - 3.3 syntax)
+- Ruby (Requires Ruby 3.4.1. Supports Ruby 1.8 - 3.3 syntax)
 
 ## Atom Specification
 

wrapper/nodejs/rbastgen.js

@@ -14,7 +14,8 @@ const dirName = import.meta ? dirname(fileURLToPath(url)) : __dirname;
 export const PLUGINS_HOME = join(dirName, "plugins");
 const RUBY_ASTGEN_BIN =
   process.env.RUBY_ASTGEN_BIN || join(PLUGINS_HOME, "bin", "ruby_ast_gen");
-
+// Ruby version needed
+const RUBY_VERSION_NEEDED = "3.4.1";
 function main(argvs) {
   const cwd = process.env.ATOM_CWD || process.cwd();
   argvs.splice(
@@ -38,7 +39,7 @@ function main(argvs) {
       env.PATH = `${rubyBinDir}${delimiter}${env.PATH}`;
     }
   }
-  if (!detectRuby()) {
+  if (!detectRuby(RUBY_VERSION_NEEDED)) {
     console.warn("Ruby is not installed!");
     return false;
   }

wrapper/nodejs/utils.mjs

@@ -97,12 +97,18 @@ export const detectPhp = () => {
   return true;
 };
 
-export const detectRuby = () => {
+export const detectRuby = (versionNeeded) => {
   let result = spawnSync(process.env.RUBY_CMD || "ruby", ["--version"], {
     encoding: "utf-8"
   });
   if (result.status !== 0 || result.error) {
     return false;
   }
+  const stdout = result.stdout;
+  if (versionNeeded && stdout) {
+    const cmdOutput = Buffer.from(stdout).toString();
+    const versionStr = cmdOutput.trim().replaceAll("\r", "");
+    return versionStr.startsWith(`ruby ${versionNeeded} `);
+  }
   return true;
 };