feat: add the cached isArch function

src/ccache/ccache.ts

@@ -2,7 +2,7 @@ import { setupAptPack } from "../utils/setup/setupAptPack"
 import { setupPacmanPack } from "../utils/setup/setupPacmanPack"
 import { setupBrewPack } from "../utils/setup/setupBrewPack"
 import { setupChocoPack } from "../utils/setup/setupChocoPack"
-import which from "which"
+import { isArch } from "../utils/env/isArch"
 
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 export function setupCcache(version: string, _setupDir: string, _arch: string) {
@@ -14,7 +14,7 @@ export function setupCcache(version: string, _setupDir: string, _arch: string) {
       return setupBrewPack("ccache", version)
     }
     case "linux": {
-      if (which.sync("pacman", { nothrow: true })) {
+      if (isArch()) {
         return setupPacmanPack("ccache", version)
       }
       return setupAptPack("ccache", version)

src/cppcheck/cppcheck.ts

@@ -3,7 +3,7 @@ import { setupAptPack } from "../utils/setup/setupAptPack"
 import { setupPacmanPack } from "../utils/setup/setupPacmanPack"
 import { setupBrewPack } from "../utils/setup/setupBrewPack"
 import { setupChocoPack } from "../utils/setup/setupChocoPack"
-import which from "which"
+import { isArch } from "../utils/env/isArch"
 
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 export async function setupCppcheck(version: string | undefined, _setupDir: string, _arch: string) {
@@ -17,7 +17,7 @@ export async function setupCppcheck(version: string | undefined, _setupDir: stri
       return setupBrewPack("cppcheck", version)
     }
     case "linux": {
-      if (which.sync("pacman", { nothrow: true })) {
+      if (isArch()) {
         return setupPacmanPack("cppcheck", version)
       }
       return setupAptPack("cppcheck", version)

src/doxygen/doxygen.ts

@@ -11,7 +11,7 @@ import { setupGraphviz } from "../graphviz/graphviz"
 import { getVersion } from "../default_versions"
 import { existsSync } from "fs"
 import { join } from "path"
-import which from "which"
+import { isArch } from "../utils/env/isArch"
 
 /** Get the platform data for cmake */
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
@@ -59,13 +59,13 @@ export async function setupDoxygen(version: string, setupDir: string, arch: stri
     case "linux": {
       let installationInfo: InstallationInfo
       if (version === "") {
-        if (which.sync("pacman", { nothrow: true })) {
+        if (isArch()) {
           installationInfo = setupPacmanPack("doxygen", undefined)
         } else {
           installationInfo = setupAptPack("doxygen", undefined)
         }
       } else {
-        if (which.sync("pacman", { nothrow: true })) {
+        if (isArch()) {
           installationInfo = setupPacmanPack("doxygen", version)
         } else {
           try {

src/gcc/gcc.ts

@@ -13,7 +13,7 @@ import { isGitHubCI } from "../utils/env/isci"
 import { addBinExtension } from "../utils/extension/extension"
 import { InstallationInfo, PackageInfo, setupBin } from "../utils/setup/setupBin"
 import { extract7Zip } from "../utils/setup/extract"
-import which from "which"
+import { isArch } from "../utils/env/isArch"
 
 interface MingwInfo {
   releaseName: string
@@ -81,7 +81,7 @@ export async function setupGcc(version: string, setupDir: string, arch: string)
     }
     case "linux": {
       if (arch === "x64") {
-        if (which.sync("pacman", { nothrow: true })) {
+        if (isArch()) {
           installationInfo = setupPacmanPack("gcc", version)
         } else {
           setupAptPack("gcc", version, ["ppa:ubuntu-toolchain-r/test"])
@@ -89,7 +89,7 @@ export async function setupGcc(version: string, setupDir: string, arch: string)
         }
       } else {
         info(`Install g++-multilib because gcc for ${arch} was requested`)
-        if (which.sync("pacman", { nothrow: true })) {
+        if (isArch()) {
           setupPacmanPack("gcc-multilib", version)
         } else {
           setupAptPack("gcc-multilib", version, ["ppa:ubuntu-toolchain-r/test"])

src/graphviz/graphviz.ts

@@ -4,7 +4,7 @@ import { setupPacmanPack } from "../utils/setup/setupPacmanPack"
 import { InstallationInfo } from "../utils/setup/setupBin"
 import { setupBrewPack } from "../utils/setup/setupBrewPack"
 import { setupChocoPack } from "../utils/setup/setupChocoPack"
-import which from "which"
+import { isArch } from "../utils/env/isArch"
 
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 export async function setupGraphviz(version: string, _setupDir: string, _arch: string) {
@@ -17,7 +17,7 @@ export async function setupGraphviz(version: string, _setupDir: string, _arch: s
       return setupBrewPack("graphviz", version)
     }
     case "linux": {
-      if (which.sync("pacman", { nothrow: true })) {
+      if (isArch()) {
         return setupPacmanPack("graphviz", version)
       }
       return setupAptPack("graphviz", version)

src/kcov/kcov.ts

@@ -10,6 +10,7 @@ import { extractTarByExe } from "../utils/setup/extract"
 import { setupAptPack } from "../utils/setup/setupAptPack"
 import { setupPacmanPack } from "../utils/setup/setupPacmanPack"
 import { PackageInfo, setupBin } from "../utils/setup/setupBin"
+import { isArch } from "../utils/env/isArch"
 
 function getKcovPackageInfo(version: string): PackageInfo {
   const version_number = parseInt(version.replace(/^v/, ""), 10)
@@ -43,7 +44,7 @@ async function buildKcov(file: string, dest: string) {
     await setupCmake(getVersion("cmake", undefined), join(untildify(""), "cmake"), "")
   }
   if (process.platform === "linux") {
-    if (which.sync("pacman", { nothrow: true })) {
+    if (isArch()) {
       setupPacmanPack("libdwarf")
       setupPacmanPack("libcurl-openssl")
     } else {
@@ -60,7 +61,7 @@ async function buildKcov(file: string, dest: string) {
 export async function setupKcov(version: string, setupDir: string, arch: string) {
   switch (process.platform) {
     case "linux": {
-      if (which.sync("pacman", { nothrow: true })) {
+      if (isArch()) {
         // TODO install kcov ? setupPacmanPack("kcov")
         const installationInfo = await setupBin("kcov", version, getKcovPackageInfo, setupDir, arch)
         setupPacmanPack("binutils")

src/llvm/llvm.ts

@@ -20,7 +20,7 @@ import { existsSync } from "fs"
 import { isGitHubCI } from "../utils/env/isci"
 import { setupGcc } from "../gcc/gcc"
 import { getVersion } from "../default_versions"
-import which from "which"
+import { isArch } from "../utils/env/isArch"
 
 //================================================
 // Version
@@ -286,7 +286,7 @@ async function _setupLLVM(version: string, setupDir: string, arch: string) {
     if (process.platform === "linux") {
       // install llvm build dependencies
       await setupGcc(getVersion("gcc", undefined), "", arch) // using llvm requires ld, an up to date libstdc++, etc. So, install gcc first
-      if (which.sync("pacman", { nothrow: true })) {
+      if (isArch()) {
         // setupPacmanPack("ncurses")
         // TODO: install libtinfo ?
       } else {

src/make/make.ts

@@ -3,7 +3,7 @@ import { setupAptPack } from "../utils/setup/setupAptPack"
 import { setupPacmanPack } from "../utils/setup/setupPacmanPack"
 import { setupBrewPack } from "../utils/setup/setupBrewPack"
 import { setupChocoPack } from "../utils/setup/setupChocoPack"
-import which from "which"
+import { isArch } from "../utils/env/isArch"
 
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 export async function setupMake(version: string, _setupDir: string, _arch: string) {
@@ -17,7 +17,7 @@ export async function setupMake(version: string, _setupDir: string, _arch: strin
       return { binDir: "/usr/local/opt/make/libexec/gnubin" }
     }
     case "linux": {
-      if (which.sync("pacman", { nothrow: true })) {
+      if (isArch()) {
         return setupPacmanPack("make", version)
       }
       return setupAptPack("make", version)

src/python/python.ts

@@ -5,7 +5,7 @@ import { setupBrewPack } from "../utils/setup/setupBrewPack"
 import { setupChocoPack } from "../utils/setup/setupChocoPack"
 import { isGitHubCI } from "../utils/env/isci"
 import { warning, info } from "../utils/io/io"
-import which from "which"
+import { isArch } from "../utils/env/isArch"
 
 export async function setupPython(version: string, setupDir: string, arch: string) {
   if (!isGitHubCI()) {
@@ -40,7 +40,7 @@ export async function setupPythonViaSystem(version: string, setupDir: string, _a
       return setupBrewPack("python3", version)
     }
     case "linux": {
-      if (which.sync("pacman", { nothrow: true })) {
+      if (isArch()) {
         const installInfo = setupPacmanPack("python", version)
         setupPacmanPack("python-pip")
         return installInfo

src/sevenzip/sevenzip.ts

@@ -2,7 +2,7 @@ import { setupAptPack } from "../utils/setup/setupAptPack"
 import { setupPacmanPack } from "../utils/setup/setupPacmanPack"
 import { setupBrewPack } from "../utils/setup/setupBrewPack"
 import { setupChocoPack } from "../utils/setup/setupChocoPack"
-import which from "which"
+import { isArch } from "../utils/env/isArch"
 
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 export function setupSevenZip(version: string, _setupDir: string, _arch: string) {
@@ -14,7 +14,7 @@ export function setupSevenZip(version: string, _setupDir: string, _arch: string)
       return setupBrewPack("p7zip", version)
     }
     case "linux": {
-      if (which.sync("pacman", { nothrow: true })) {
+      if (isArch()) {
         return setupPacmanPack("p7zip", version)
       }
       return setupAptPack("p7zip-full", version)

src/utils/env/isArch.ts

@@ -0,0 +1,12 @@
+import which from "which"
+
+let isArchCache: undefined | boolean = undefined
+
+export function isArch(): boolean {
+  if (isArchCache === undefined) {
+    // detect arch by checking if pacman exists
+    isArchCache = which.sync("pacman", { nothrow: true }) !== null
+  }
+
+  return isArchCache
+}

src/utils/setup/setupBin.ts

@@ -7,7 +7,7 @@ import { tmpdir } from "os"
 import { isGitHubCI } from "../env/isci"
 import { setupAptPack } from "./setupAptPack"
 import { setupPacmanPack } from "./setupPacmanPack"
-import which from "which"
+import { isArch } from "../env/isArch"
 
 /** A type that describes a package */
 export type PackageInfo = {
@@ -90,7 +90,7 @@ export async function setupBin(
     if (!didInit) {
       if (process.platform === "linux") {
         // extraction dependencies
-        if (which.sync("pacman", { nothrow: true })) {
+        if (isArch()) {
           setupPacmanPack("unzip")
           setupPacmanPack("tar")
           setupPacmanPack("xz")

src/utils/setup/setupPipPack.ts

@@ -11,6 +11,7 @@ import { getVersion } from "../../default_versions"
 import { InstallationInfo } from "./setupBin"
 import { setupAptPack } from "./setupAptPack"
 import { setupPacmanPack } from "./setupPacmanPack"
+import { isArch } from "../env/isArch"
 
 let python: string | undefined
 let binDir: string | undefined
@@ -43,7 +44,7 @@ export async function setupPipPack(name: string, version?: string): Promise<Inst
       execa.sync(python, ["-m", "pip", "install", "-U", "pip==21.3.1"], { stdio: "inherit" })
     } else if (process.platform === "linux") {
       // ensure that pip is installed on Linux (happens when python is found but pip not installed)
-      if (which.sync("pacman", { nothrow: true })) {
+      if (isArch()) {
         setupPacmanPack("python-pip")
       } else {
         setupAptPack("python3-pip")

src/vcpkg/vcpkg.ts

@@ -10,6 +10,7 @@ import { notice } from "../utils/io/io"
 import { setupAptPack } from "../utils/setup/setupAptPack"
 import { setupPacmanPack } from "../utils/setup/setupPacmanPack"
 import { InstallationInfo } from "../utils/setup/setupBin"
+import { isArch } from "../utils/env/isArch"
 
 let hasVCPKG = false
 
@@ -18,7 +19,7 @@ export async function setupVcpkg(_version: string, setupDir: string, _arch: stri
   if (!hasVCPKG || which.sync("vcpkg", { nothrow: true }) === null) {
     if (process.platform === "linux") {
       // vcpkg download and extraction dependencies
-      if (which.sync("pacman", { nothrow: true })) {
+      if (isArch()) {
         setupPacmanPack("curl")
         setupPacmanPack("zip")
         setupPacmanPack("unzip")