feat: add setupBrew

src/brew/__tests__/brew.test.ts

@@ -0,0 +1,17 @@
+import { setupBrew } from "../brew"
+import { spawnSync as spawn } from "child_process"
+
+jest.setTimeout(200000)
+describe("setup-brew", () => {
+  it("should setup brew", async () => {
+    if (process.platform !== "darwin") {
+      return
+    }
+    await setupBrew()
+
+    const { status } = spawn("brew", ["--version"], {
+      encoding: "utf8",
+    })
+    expect(status).toBe(0)
+  })
+})

src/brew/brew.ts

@@ -0,0 +1,20 @@
+import { exec } from "@actions/exec"
+import which from "which"
+
+export async function setupBrew() {
+  if (!["darwin", "linux"].includes(process.platform)) {
+    return
+  }
+
+  if (which.sync("brew", { nothrow: true }) !== null) {
+    return
+  }
+
+  const exit = await exec(
+    `/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"`
+  )
+
+  if (exit !== 0) {
+    throw new Error(`Failed to install brew`)
+  }
+}

src/main.ts

@@ -1,4 +1,5 @@
 import * as core from "@actions/core"
+import { setupBrew } from "./brew/brew"
 import { setupChocolatey } from "./chocolatey/chocolatey"
 import { setupCmake } from "./cmake/cmake"
 import { setupConan } from "./conan/conan"
@@ -69,6 +70,12 @@ export async function main(): Promise<number> {
       await setupChocolatey()
     }
 
+    // setup brew
+    const brewVersion = maybeGetInput("brew")
+    if (brewVersion !== undefined) {
+      await setupBrew()
+    }
+
     // setup msvc
     const msvcVersion = maybeGetInput("msvc")
     if (msvcVersion !== undefined) {

src/utils/setup/setupBrewPack.ts

@@ -1,8 +1,17 @@
 /* eslint-disable require-atomic-updates */
 import { exec } from "@actions/exec"
+import which from "which"
+import { setupBrew } from "../../brew/brew"
+
+let hasBrew = false
 
 /** A function that installs a package using brew */
 export async function setupBrewPack(name: string, version?: string) {
+  if (!hasBrew || which.sync("brew", { nothrow: true }) === null) {
+    await setupBrew()
+    hasBrew = true
+  }
+
   const exit = await exec("brew", ["install", version !== undefined ? `${name}@${version}` : name])
 
   if (exit !== 0) {