Automatically create a ~/.gemrc file

* To avoid generating documentation on `gem install`, which can take a long time.

dist/index.js

@@ -976,6 +976,8 @@ async function run() {
     const engineVersions = installer.getAvailableVersions(platform, engine)
     const ruby = validateRubyEngineAndVersion(platform, engineVersions, engine, version)
 
+    createGemRC()
+
     const [rubyPrefix, newPathEntries] = await installer.install(platform, ruby)
 
     setupPath(ruby, newPathEntries)
@@ -1040,6 +1042,13 @@ function validateRubyEngineAndVersion(platform, engineVersions, engine, version)
   return engine + '-' + version
 }
 
+function createGemRC() {
+  const gemrc = path.join(os.homedir(), '.gemrc')
+  if (!fs.existsSync(gemrc)) {
+    fs.writeFileSync(gemrc, `gem: --no-document${os.EOL}`)
+  }
+}
+
 function setupPath(ruby, newPathEntries) {
     const originalPath = process.env['PATH'].split(path.delimiter)
     let cleanPath = originalPath.filter(entry => !/\bruby\b/i.test(entry))
@@ -3415,7 +3424,7 @@ function getAvailableVersions(platform, engine) {
 
 async function install(platform, ruby) {
   const rubyPrefix = await downloadAndExtract(platform, ruby)
-  let newPathEntries;
+  let newPathEntries
   if (ruby.startsWith('rubinius')) {
     newPathEntries = [path.join(rubyPrefix, 'bin'), path.join(rubyPrefix, 'gems', 'bin')]
   } else {
@@ -4801,6 +4810,7 @@ __webpack_require__.r(__webpack_exports__);
 // https://github.com/MSP-Greg/actions-ruby/blob/master/lib/main.js
 
 const fs = __webpack_require__(747)
+const path = __webpack_require__(622)
 const cp = __webpack_require__(129)
 const core = __webpack_require__(470)
 const exec = __webpack_require__(986)
@@ -4940,7 +4950,7 @@ function addVCVARSEnv() {
   for (let [k, v] of newEnv) {
     if (process.env[k] !== v) {
       if (k === 'Path') {
-        newPathEntries = v.replace(process.env['Path'], '').split(';')
+        newPathEntries = v.replace(process.env['Path'], '').split(path.delimiter)
       } else {
         core.exportVariable(k, v)
       }

index.js

@@ -18,6 +18,8 @@ export async function run() {
     const engineVersions = installer.getAvailableVersions(platform, engine)
     const ruby = validateRubyEngineAndVersion(platform, engineVersions, engine, version)
 
+    createGemRC()
+
     const [rubyPrefix, newPathEntries] = await installer.install(platform, ruby)
 
     setupPath(ruby, newPathEntries)
@@ -82,6 +84,13 @@ function validateRubyEngineAndVersion(platform, engineVersions, engine, version)
   return engine + '-' + version
 }
 
+function createGemRC() {
+  const gemrc = path.join(os.homedir(), '.gemrc')
+  if (!fs.existsSync(gemrc)) {
+    fs.writeFileSync(gemrc, `gem: --no-document${os.EOL}`)
+  }
+}
+
 function setupPath(ruby, newPathEntries) {
     const originalPath = process.env['PATH'].split(path.delimiter)
     let cleanPath = originalPath.filter(entry => !/\bruby\b/i.test(entry))

ruby-builder.js

@@ -14,7 +14,7 @@ export function getAvailableVersions(platform, engine) {
 
 export async function install(platform, ruby) {
   const rubyPrefix = await downloadAndExtract(platform, ruby)
-  let newPathEntries;
+  let newPathEntries
   if (ruby.startsWith('rubinius')) {
     newPathEntries = [path.join(rubyPrefix, 'bin'), path.join(rubyPrefix, 'gems', 'bin')]
   } else {

windows.js

@@ -2,6 +2,7 @@
 // https://github.com/MSP-Greg/actions-ruby/blob/master/lib/main.js
 
 const fs = require('fs')
+const path = require('path')
 const cp = require('child_process')
 const core = require('@actions/core')
 const exec = require('@actions/exec')
@@ -141,7 +142,7 @@ export function addVCVARSEnv() {
   for (let [k, v] of newEnv) {
     if (process.env[k] !== v) {
       if (k === 'Path') {
-        newPathEntries = v.replace(process.env['Path'], '').split(';')
+        newPathEntries = v.replace(process.env['Path'], '').split(path.delimiter)
       } else {
         core.exportVariable(k, v)
       }