From fe2db9dd25fba9f6db05736803a586eda58b10f6 Mon Sep 17 00:00:00 2001
From: Amin Yahyaabadi <aminyahyaabadi74@gmail.com>
Date: Sun, 7 Aug 2022 17:18:49 -0700
Subject: [PATCH] feat: add sudo-tools package

---
 packages/sudo-tools/package.json  | 39 +++++++++++++++++++++++++++++
 packages/sudo-tools/src/index.ts  | 41 +++++++++++++++++++++++++++++++
 packages/sudo-tools/tsconfig.json |  7 ++++++
 pnpm-lock.yaml                    | 11 +++++++++
 4 files changed, 98 insertions(+)
 create mode 100644 packages/sudo-tools/package.json
 create mode 100644 packages/sudo-tools/src/index.ts
 create mode 100644 packages/sudo-tools/tsconfig.json

diff --git a/packages/sudo-tools/package.json b/packages/sudo-tools/package.json
new file mode 100644
index 00000000..baf9be20
--- /dev/null
+++ b/packages/sudo-tools/package.json
@@ -0,0 +1,39 @@
+{
+  "name": "sudo-tools",
+  "version": "1.0.0",
+  "description": "Tools for working with sudo: executing command as sudo if available, detecting root, etc.",
+  "homepage": "https://github.com/aminya/setup-cpp",
+  "license": "Apache-2.0",
+  "author": "Amin Yahyaabadi",
+  "main": "./dist/index.js",
+  "module": "./dist/index.mjs",
+  "source": "./src/index.ts",
+  "scripts": {
+    "build": "tsc"
+  },
+  "dependencies": {
+    "execa": "^5.1.1",
+    "which": "^2.0.2"
+  },
+  "devDependencies": {
+    "@types/which": "^2.0.1"
+  },
+  "keywords": [
+    "sudo",
+    "root",
+    "is-root",
+    "is-sudo",
+    "exec-sudo",
+    "exec",
+    "execa",
+    "spawn",
+    "system",
+    "unix",
+    "linux",
+    "github-actions",
+    "github",
+    "actions",
+    "gitlab",
+    "ci"
+  ]
+}
diff --git a/packages/sudo-tools/src/index.ts b/packages/sudo-tools/src/index.ts
new file mode 100644
index 00000000..2c71b566
--- /dev/null
+++ b/packages/sudo-tools/src/index.ts
@@ -0,0 +1,41 @@
+import which from "which"
+import execa from "execa"
+
+let isSudoCache: boolean | undefined = undefined
+
+/**
+ * Detect if sudo is available and the user has root privileges
+ *
+ * @note it caches the result for the subsequent calls to this function.
+ */
+export function isRoot(): boolean {
+  if (isSudoCache !== undefined) {
+    return isSudoCache
+  }
+  // eslint-disable-next-line @typescript-eslint/strict-boolean-expressions, @typescript-eslint/no-unnecessary-condition
+  isSudoCache = (Boolean(process.env.CI) || process.getuid?.() === 0) && which.sync("sudo", { nothrow: true }) !== null
+  return isSudoCache
+}
+
+/** Prepend `sudo` to the command if sudo is available */
+export function prependSudo(command: string) {
+  if (isRoot()) {
+    return `sudo ${command}`
+  }
+  return command
+}
+
+/**
+ * Execute a command as sudo if sudo is available. Otherwise executes the command without sudo.
+ *
+ * @param file The file to spawn
+ * @param args The command arguments
+ * @param execOptions The options passed to `execa`.
+ */
+export function execSudo(file: string, args: string[], execOptions: execa.SyncOptions = { stdio: "inherit" }) {
+  if (isRoot()) {
+    return execa.commandSync(`sudo ${[file, ...args].map((arg) => `'${arg}'`).join(" ")}`, execOptions)
+  } else {
+    return execa.sync(file, args, execOptions)
+  }
+}
diff --git a/packages/sudo-tools/tsconfig.json b/packages/sudo-tools/tsconfig.json
new file mode 100644
index 00000000..6a62dbc4
--- /dev/null
+++ b/packages/sudo-tools/tsconfig.json
@@ -0,0 +1,7 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "outDir": "./dist"
+  },
+  "include": ["./src"]
+}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d833a1c7..0e5c34d4 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -104,6 +104,17 @@ importers:
     devDependencies:
       '@types/which': 2.0.1
 
+  packages/sudo-tools:
+    specifiers:
+      '@types/which': ^2.0.1
+      execa: ^5.1.1
+      which: ^2.0.2
+    dependencies:
+      execa: 5.1.1
+      which: 2.0.2
+    devDependencies:
+      '@types/which': 2.0.1
+
 packages:
 
   /@actions/cache/3.0.0: