Add API to enable the experimental features (#220)

* Add option to enable experimental features

* Add .rtx.toml to install the tools necessary to work on this repository

.rtx.toml

@@ -0,0 +1,2 @@
+[tools]
+node = '20.10.0'

README.md

@@ -20,6 +20,7 @@ jobs:
           install: true # [default: true] run `rtx install`
           cache: true # [default: true] cache rtx using GitHub's cache
           # automatically write this .tool-versions file
+          experimental: true # [default: false] enable experimental features
           tool_versions: |
             shellcheck 0.9.0
           # or, if you prefer .rtx.toml format:

action.yml

@@ -40,6 +40,10 @@ inputs:
     required: false
     default: "rtx-v0"
     description: The prefix key to use for the cache, change this to invalidate the cache
+  experimental:
+    required: false
+    default: "false"
+    description: if true, will use experimental features
 outputs:
   cache-hit:
     description: A boolean value to indicate if a cache was hit.

src/index.ts

@@ -41,6 +41,7 @@ async function setEnvVars(): Promise<void> {
   }
   set('RTX_TRUSTED_CONFIG_PATHS', process.cwd())
   set('RTX_YES', '1')
+  set('RTX_EXPERIMENTAL', getExperimental() ? '1' : '0')
 
   const shimsDir = path.join(rtxDir(), 'shims')
   core.info(`Adding ${shimsDir} to PATH`)
@@ -87,6 +88,11 @@ async function setupRTX(version: string | undefined): Promise<void> {
   core.addPath(rtxBinDir)
 }
 
+function getExperimental(): boolean {
+  const experimentalString = core.getInput('experimental')
+  return experimentalString === 'true' ? true : false
+}
+
 async function setToolVersions(): Promise<void> {
   const toolVersions = core.getInput('tool_versions')
   if (toolVersions) {