feat: add overwrite option for brew + enabled by default

Update setupBrewPack.ts

src/brew/brew.ts

@@ -48,7 +48,7 @@ export async function setupBrew(_version: string, _setupDir: string, _arch: stri
   })
 
   // add the bin directory to the PATH
-  binDir = getBrewPath()
+  binDir = getBrewBinDir()
   await addPath(binDir, rcOptions)
 
   return { binDir }
@@ -60,7 +60,7 @@ export async function setupBrew(_version: string, _setupDir: string, _arch: stri
  *
  * Based on the installation script from https://brew.sh
  */
-export function getBrewPath() {
+export function getBrewBinDir() {
   if (process.platform === "darwin") {
     if (process.arch === "arm64") {
       return "/opt/homebrew/bin/"

src/powershell/powershell.ts

@@ -21,7 +21,7 @@ export async function setupPowershell(version: string | undefined, _setupDir: st
       return { binDir }
     }
     case "darwin": {
-      return setupBrewPack("powershell", version, ["--cask"])
+      return setupBrewPack("powershell", version, { cask: true })
     }
     case "linux": {
       if (isArch()) {

src/utils/setup/setupBrewPack.ts

@@ -3,17 +3,33 @@ import { info } from "@actions/core"
 import { execaSync } from "execa"
 import { join } from "patha"
 import which from "which"
-import { getBrewPath, setupBrew } from "../../brew/brew.js"
+import { getBrewBinDir, setupBrew } from "../../brew/brew.js"
 import type { InstallationInfo } from "./setupBin.js"
 
 let hasBrew = false
 
+type BrewPackOptions = {
+  /** Whether to overwrite the package if it already exists */
+  overwrite?: boolean
+  /** Whether to install the package as a cask */
+  cask?: boolean
+  /** Extra args */
+  args?: string[]
+}
+
 /** A function that installs a package using brew */
 export async function setupBrewPack(
   name: string,
   version?: string,
-  extraArgs: string[] = [],
+  givenOptions: BrewPackOptions = {},
 ): Promise<InstallationInfo> {
+  const options = {
+    overwrite: true,
+    cask: false,
+    args: [],
+    ...givenOptions,
+  }
+
   info(`Installing ${name} ${version ?? ""} via brew`)
 
   if (!hasBrew || which.sync("brew", { nothrow: true }) === null) {
@@ -21,16 +37,23 @@ export async function setupBrewPack(
     hasBrew = true
   }
 
-  const binDir = getBrewPath()
+  const binDir = getBrewBinDir()
+  const brewPath = join(binDir, "brew")
+
+  // Args
+  const args = [
+    "install",
+    (version !== undefined && version !== "") ? `${name}@${version}` : name,
+  ]
+  if (options.overwrite) {
+    args.push("--overwrite")
+  }
+  if (options.cask) {
+    args.push("--cask")
+  }
 
   // brew is not thread-safe
-  execaSync(
+  execaSync(brewPath, args, { stdio: "inherit" })
-    join(binDir, "brew"),
-    ["install", version !== undefined && version !== "" ? `${name}@${version}` : name, ...extraArgs],
-    {
-      stdio: "inherit",
-    },
-  )
 
   return { binDir }
 }