fix: run GitHub specific code only on GitHub CI

README.md

@@ -209,7 +209,6 @@ jobs:
           ACTIONS_ALLOW_UNSECURE_COMMANDS: true
 ```
 
-
 # Articles
 
 [Setup-Cpp on Dev.to](https://dev.to/aminya/setup-cpp-3ia4)

src/main.ts

@@ -15,7 +15,7 @@ import { setupOpencppcoverage } from "./opencppcoverage/opencppcoverage"
 import { setupPython } from "./python/python"
 import mri from "mri"
 import untildify from "untildify"
-import { isCI } from "./utils/env/isci"
+import { isGitHubCI } from "./utils/env/isci"
 
 import semverValid from "semver/functions/valid"
 import { getVersion } from "./default_versions"
@@ -79,7 +79,7 @@ const inputs: Array<Inputs> = ["compiler", "architecture", ...tools]
 
 /** The main entry function */
 export async function main(args: string[]): Promise<number> {
-  if (!isCI()) {
+  if (!isGitHubCI()) {
     process.env.ACTIONS_ALLOW_UNSECURE_COMMANDS = "true"
   }
 
@@ -196,7 +196,7 @@ export async function main(args: string[]): Promise<number> {
 
   core.info("setup_cpp finished")
 
-  if (!isCI()) {
+  if (!isGitHubCI()) {
     switch (process.platform) {
       case "win32": {
         core.info("Run `RefreshEnv.cmd` or restart your shell to update the environment.")

src/python/python.ts

@@ -5,10 +5,10 @@ import { setupBrewPack } from "../utils/setup/setupBrewPack"
 import { setupChocoPack } from "../utils/setup/setupChocoPack"
 import hasha from "hasha"
 import { join } from "path"
-import { isCI } from "../utils/env/isci"
+import { isGitHubCI } from "../utils/env/isci"
 
 export function setupPython(version: string, setupDir: string, arch: string) {
-  if (!isCI()) {
+  if (!isGitHubCI()) {
     // TODO parse versoin
     return setupPythonViaSystem("", setupDir, arch)
   }

src/utils/env/isci.ts

@@ -1,3 +1,7 @@
 export function isCI() {
-  return !(process.env.CI === undefined || process.env.CI === "" || process.env.CI === "false")
+  return process.env.CI === "true"
+}
+
+export function isGitHubCI() {
+  return isCI() && process.env.GITHUB_ACTIONS == "true"
 }

src/utils/io/io.ts

@@ -1,10 +1,10 @@
 import * as core from "@actions/core"
-import { isCI } from "../env/isci"
+import { isGitHubCI } from "../env/isci"
 
 export function error(err: string | Error) {
-  return isCI() ? core.error(err) : console.log(`\x1b[31m${err}\x1b[0m`)
+  return isGitHubCI() ? core.error(err) : console.log(`\x1b[31m${err}\x1b[0m`)
 }
 
 export function success(msg: string) {
-  return isCI() ? core.info(msg) : console.log(`\x1b[32m${msg}\x1b[0m`)
+  return isGitHubCI() ? core.info(msg) : console.log(`\x1b[32m${msg}\x1b[0m`)
 }

src/utils/path/addPath.ts

@@ -2,34 +2,43 @@ import { addPath as ghAddPath } from "@actions/core"
 import { delimiter } from "path"
 import * as core from "@actions/core"
 import execa from "execa"
+import { isGitHubCI } from "../env/isci"
 
 /** An add path function that works locally or inside GitHub Actions */
 export function addPath(path: string) {
   try {
-    ghAddPath(path)
+    if (isGitHubCI()) {
+      ghAddPath(path)
+    } else {
+      addPathSystem(path)
+    }
   } catch (err) {
     try {
       core.error(err as Error)
-      switch (process.platform) {
+      return addPathSystem(path)
-        case "win32": {
-          execa.sync(`setx PATH=${path};%PATH%`)
-          return
-        }
-        case "linux":
-        case "darwin": {
-          execa.commandSync(`echo "export PATH=${path}:$PATH" >> ~/.profile`)
-          execa.commandSync(`source ~/.profile`)
-          core.info(`${path} was added to ~/.profile`)
-          return
-        }
-        default: {
-          // fall through shell path modification
-        }
-      }
     } catch (err2) {
       core.error(err2 as Error)
     }
     core.error(`Failed to add ${path} to the percistent PATH. You should add it manually.`)
-    process.env.PATH = `${path}${delimiter}${process.env.PATH}`
   }
 }
+
+function addPathSystem(path: string) {
+  switch (process.platform) {
+    case "win32": {
+      execa.sync(`setx PATH=${path};%PATH%`)
+      return
+    }
+    case "linux":
+    case "darwin": {
+      execa.commandSync(`echo "export PATH=${path}:$PATH" >> ~/.profile`)
+      execa.commandSync(`source ~/.profile`)
+      core.info(`${path} was added to ~/.profile`)
+      return
+    }
+    default: {
+      // fall through shell path modification
+    }
+  }
+  process.env.PATH = `${path}${delimiter}${process.env.PATH}`
+}

src/utils/setup/setupBin.ts

@@ -4,7 +4,7 @@ import { addPath } from "../path/addPath"
 import { join } from "path"
 import { existsSync } from "fs"
 import { tmpdir } from "os"
-import { isCI } from "../env/isci"
+import { isGitHubCI } from "../env/isci"
 
 /** A type that describes a package */
 export type PackageInfo = {
@@ -52,7 +52,7 @@ export async function setupBin(
   )
 
   // Restore from cache (if found).
-  if (isCI()) {
+  if (isGitHubCI()) {
     try {
       const dir = find(name, version)
       if (dir) {
@@ -86,7 +86,7 @@ export async function setupBin(
   addPath(binDir)
 
   // check if inside Github Actions. If so, cache the installation
-  if (isCI() && typeof process.env.RUNNER_TOOL_CACHE === "string") {
+  if (isGitHubCI() && typeof process.env.RUNNER_TOOL_CACHE === "string") {
     await cacheDir(setupDir, name, version)
   }