fix: parallelize apt update alternatives

Author: aminya

dist/node12/setup_cpp.js

@@ -152,7 +152,7 @@ async function setupChocoMingw(version: string, arch: string): Promise<Installat
 }
 
 async function activateGcc(version: string, binDir: string) {
-  const promises: Promise<void>[] = []
+  const promises: Promise<any>[] = []
   // Setup gcc as the compiler
 
   // TODO
@@ -174,19 +174,23 @@ async function activateGcc(version: string, binDir: string) {
       promises.push(addEnv("CC", `${binDir}/gcc-${majorVersion}`), addEnv("CXX", `${binDir}/g++-${majorVersion}`))
 
       if (isUbuntu()) {
-        await updateAptAlternatives("cc", `${binDir}/gcc-${majorVersion}`)
-        await updateAptAlternatives("cxx", `${binDir}/g++-${majorVersion}`)
-        await updateAptAlternatives("gcc", `${binDir}/gcc-${majorVersion}`)
-        await updateAptAlternatives("g++", `${binDir}/g++-${majorVersion}`)
+        promises.push(
+          updateAptAlternatives("cc", `${binDir}/gcc-${majorVersion}`),
+          updateAptAlternatives("cxx", `${binDir}/g++-${majorVersion}`),
+          updateAptAlternatives("gcc", `${binDir}/gcc-${majorVersion}`),
+          updateAptAlternatives("g++", `${binDir}/g++-${majorVersion}`)
+        )
       }
     } else {
       promises.push(addEnv("CC", `${binDir}/gcc-${version}`), addEnv("CXX", `${binDir}/g++-${version}`))
 
       if (isUbuntu()) {
-        await updateAptAlternatives("cc", `${binDir}/gcc-${version}`)
-        await updateAptAlternatives("cxx", `${binDir}/g++-${version}`)
-        await updateAptAlternatives("gcc", `${binDir}/gcc-${version}`)
-        await updateAptAlternatives("g++", `${binDir}/g++-${version}`)
+        promises.push(
+          updateAptAlternatives("cc", `${binDir}/gcc-${version}`),
+          updateAptAlternatives("cxx", `${binDir}/g++-${version}`),
+          updateAptAlternatives("gcc", `${binDir}/gcc-${version}`),
+          updateAptAlternatives("g++", `${binDir}/g++-${version}`)
+        )
       }
     }
   }

dist/node12/setup_cpp.js.map

@@ -70,7 +70,7 @@ export async function activateLLVM(directory: string, versionGiven: string) {
   const ld = process.env.LD_LIBRARY_PATH ?? ""
   const dyld = process.env.DYLD_LIBRARY_PATH ?? ""
 
-  const promises = [
+  const promises: Promise<any>[] = [
     // the output of this action
     addEnv("LLVM_PATH", directory),
 
@@ -103,13 +103,15 @@ export async function activateLLVM(directory: string, versionGiven: string) {
   }
 
   if (isUbuntu()) {
-    await updateAptAlternatives("cc", `${directory}/bin/clang`)
-    await updateAptAlternatives("cxx", `${directory}/bin/clang++`)
-    await updateAptAlternatives("clang", `${directory}/bin/clang`)
-    await updateAptAlternatives("clang++", `${directory}/bin/clang++`)
-    await updateAptAlternatives("lld", `${directory}/bin/lld`)
-    await updateAptAlternatives("ld.lld", `${directory}/bin/ld.lld`)
-    await updateAptAlternatives("llvm-ar", `${directory}/bin/llvm-ar`)
+    promises.push(
+      updateAptAlternatives("cc", `${directory}/bin/clang`),
+      updateAptAlternatives("cxx", `${directory}/bin/clang++`),
+      updateAptAlternatives("clang", `${directory}/bin/clang`),
+      updateAptAlternatives("clang++", `${directory}/bin/clang++`),
+      updateAptAlternatives("lld", `${directory}/bin/lld`),
+      updateAptAlternatives("ld.lld", `${directory}/bin/ld.lld`),
+      updateAptAlternatives("llvm-ar", `${directory}/bin/llvm-ar`)
+    )
   }
 
   if (ciDetect() === "github-actions") {

dist/node16/setup_cpp.js

@@ -1,6 +1,6 @@
 /* eslint-disable require-atomic-updates */
 import { InstallationInfo } from "./setupBin"
-import { execRootSync } from "admina"
+import { execRoot, execRootSync } from "admina"
 import { info } from "@actions/core"
 import ciDetect from "@npmcli/ci-detect"
 import { addEnv, cpprc_path, setupCppInProfile } from "../env/addEnv"
@@ -146,7 +146,7 @@ export async function addAptKeyViaDownload(name: string, url: string) {
 
 export async function updateAptAlternatives(name: string, path: string) {
   if (ciDetect() === "github-actions") {
-    return execRootSync("update-alternatives", ["--install", `/usr/bin/${name}`, name, path, "40"])
+    return execRoot("update-alternatives", ["--install", `/usr/bin/${name}`, name, path, "40"])
   } else {
     await setupCppInProfile()
     return appendFile(