Rename workflow and variable for clarity

.github/workflows/test.yml

@@ -169,7 +169,7 @@ jobs:
       - run: ruby -v
 
   testLatestRubygemsVersion:
-    name: "Ruby ${{ matrix.ruby }}: latest upgrades RubyGems"
+    name: "Test rubygems: latest on Ruby ${{ matrix.ruby }}"
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false

rubygems.js

@@ -3,7 +3,7 @@ const path = require('path')
 const exec = require('@actions/exec')
 const semver = require('semver')
 
-export async function rubygemsUpdate(rubygemsVersionInput, rubyPrefix, platform, engine, version) {
+export async function rubygemsUpdate(rubygemsVersionInput, rubyPrefix, platform, engine, rubyVersion) {
   const gem = path.join(rubyPrefix, 'bin', 'gem')
 
   let gemVersion = ''
@@ -19,7 +19,7 @@ export async function rubygemsUpdate(rubygemsVersionInput, rubyPrefix, platform,
 
   if (rubygemsVersionInput === 'latest') {
     console.log('Updating RubyGems to latest version')
-    await rubygemsLatest(gem, platform, engine, version)
+    await rubygemsLatest(gem, platform, engine, rubyVersion)
   } else if (semver.gt(rubygemsVersionInput, gemVersion)) {
     console.log(`Updating RubyGems to ${rubygemsVersionInput}`)
     await exec.exec(gem, ['update', '--system', rubygemsVersionInput])
@@ -34,19 +34,19 @@ export async function rubygemsUpdate(rubygemsVersionInput, rubyPrefix, platform,
 // running 'gem update --system', so we have to force a compatible version of
 // rubygems-update.  See https://github.com/ruby/setup-ruby/pull/551 and
 // https://github.com/rubygems/rubygems/issues/7329
-async function rubygemsLatest(gem, platform, engine, version) {
+async function rubygemsLatest(gem, platform, engine, rubyVersion) {
   if (engine === 'ruby') {
-    const rubyFloatVersion = common.floatVersion(version)
-    if (common.isHeadVersion(version)) {
+    const floatVersion = common.floatVersion(rubyVersion)
+    if (common.isHeadVersion(rubyVersion)) {
       console.log('Ruby master builds use included RubyGems')
-    } else if (rubyFloatVersion >= 3.0) {
+    } else if (floatVersion >= 3.0) {
       await exec.exec(gem, ['update', '--system'])
-    } else if (rubyFloatVersion >= 2.6) {
+    } else if (floatVersion >= 2.6) {
       await exec.exec(gem, ['update', '--system', '3.4.22'])
-    } else if (rubyFloatVersion >= 2.3) {
+    } else if (floatVersion >= 2.3) {
       await exec.exec(gem, ['update', '--system', '3.3.27'])
     } else {
-      console.log(`Cannot update RubyGems for Ruby version ${version}`)
+      console.log(`Cannot update RubyGems for Ruby version ${rubyVersion}`)
     }
   } else {
     // non MRI Rubies (TruffleRuby and JRuby)