Improve error messages (#160)

.github/workflows/test.yml

@@ -287,3 +287,23 @@ jobs:
   #           pytest
   #     - run: exit 1
   #       if: success()
+
+  # incorrect-version:
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #     - uses: actions/checkout@v4
+  #     - uses: ./
+  #       with:
+  #         micromamba-version: '1.2.3'
+  #     - run: exit 1
+  #       if: success()
+
+  # incorrect-log-level:
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #     - uses: actions/checkout@v4
+  #     - uses: ./
+  #       with:
+  #         log-level: foo
+  #     - run: exit 1
+  #       if: success()

package.json

@@ -7,6 +7,7 @@
     "build": "tsup",
     "dev": "tsup --watch",
     "lint": "eslint ./src --ext ts",
+    "lint:fix": "eslint ./src --ext ts --fix",
     "all": "npm run build && npm run lint"
   },
   "repository": {

src/main.ts

@@ -2,6 +2,7 @@ import fs from 'fs/promises'
 import { constants as fsConstants } from 'fs' // fs.constants is not available in fs/promises for node < 18.4.0
 import os from 'os'
 import path from 'path'
+import { exit } from 'process'
 import * as coreDefault from '@actions/core'
 import * as io from '@actions/io'
 import { downloadTool } from '@actions/tool-cache'
@@ -184,4 +185,16 @@ const run = async () => {
   await generateInfo()
 }
 
-run()
+run().catch((error) => {
+  if (core.isDebug()) {
+    throw error
+  }
+  if (error instanceof Error) {
+    core.setFailed(error.message)
+    exit(1)
+  } else if (typeof error === 'string') {
+    core.setFailed(error)
+    exit(1)
+  }
+  throw error
+})