fix: default to LLVM 18.1.8 on most platforms

src/llvm/llvm_url.ts

@@ -170,7 +170,7 @@ async function getAssetKeywords(platform: string, arch: string) {
       break
     }
     case "darwin": {
-      keywords.push("darwin")
+      keywords.push("apple")
 
       switch (arch) {
         case "x86_64":

src/utils/asset/fetch-github-assets.ts

@@ -50,8 +50,7 @@ async function fetchGitHubAssetList(
         if (!(release.tag_name in assets)) {
           assets[release.tag_name] = []
         }
-
-        const assets_ref = assets[release.tag_name]
+        const assets_ref = assets[release.tag_name]!
 
         for (const asset of release.assets) {
           if (filterAssets !== undefined && !filterAssets(asset.name)) {

src/utils/asset/load-assets.ts

@@ -6,7 +6,7 @@ import { readFile } from "fs/promises"
  * @key tag The tag of the release
  * @value assets The names of the assets of the release
  */
-export type Assets = Record<string, string[]>
+export type Assets = Record<string, string[] | undefined>
 
 /**
  * Load the list of assets from a json file
@@ -39,13 +39,21 @@ export function matchAsset(
   const { tag, assetNames } = assetVersion
 
   // if no keywords are given, return the first asset
-  if (!opts.keywords?.length && !opts.optionalKeywords?.length) {
+  if (
+    (opts.keywords === undefined
+      || opts.keywords.length === 0)
+    && (opts.optionalKeywords === undefined
+      || opts.optionalKeywords.length === 0)
+  ) {
     return { tag, name: assetNames[0] }
   }
 
   // check if the asset contains all the keywords
   let candidates: string[] = []
-  if (opts.keywords?.length) {
+  if (
+    opts.keywords !== undefined
+    && opts.keywords.length !== 0
+  ) {
     for (const name of assetNames) {
       if (opts.keywords!.every((keyword) => name.includes(keyword))) {
         candidates.push(name)
@@ -61,7 +69,10 @@ export function matchAsset(
   }
 
   // prefer the candidates that contain more optional keywords
-  if (opts.optionalKeywords?.length) {
+  if (
+    opts.optionalKeywords !== undefined
+    && opts.optionalKeywords.length !== 0
+  ) {
     // rate the candidates based on the number of optional keywords they contain
     const candidateScores = candidates.map((name) => {
       let score = 0
@@ -112,10 +123,7 @@ function matchAssetVersion(assets: Assets, opts: MatchAssetOpts) {
   let foundVersion: string | undefined
   let foundOrigTag: string | undefined
   for (const [version, origTag] of versionMap.entries()) {
-    if (
-      version === opts.version
-      || version.startsWith(opts.version)
-    ) {
+    if (version.startsWith(opts.version)) {
       foundVersion = version
       foundOrigTag = origTag
       break

src/versions/default_versions.ts

@@ -1,27 +1,18 @@
 import { isArch } from "../utils/env/isArch.js"
 
-// passing "" to a tool installed by a package manager (apt, brew, choco) will result in the default version of that package manager.
-// the directly downloaded tools require a given version ("" doesn't work).
-
-function getNonUbuntuLLVMDefault() {
-  switch (process.platform) {
-    case "win32":
-      return "17.0.6"
-    case "linux":
-      // used for non-ubuntu (Fedora, Arch)
-      // the suffixes relate to the suffix in the llvm releases
-      return "17.0.6-ubuntu-22.04"
-    case "darwin":
-      return "15.0.3"
-    default:
-      return "17.0.6"
-  }
-}
+const defaultLLVM = process.platform === "darwin" && process.arch === "x64"
+  ? "15.0.7"
+  : "18.1.8"
 
+/**
+ * Default versions for the tools
+ * DefaultUbuntuVersion overrides the default version for the tools on Ubuntu
+ */
 export const DefaultVersions: Record<string, string | undefined> = {
-  llvm: getNonUbuntuLLVMDefault(), // https://github.com/llvm/llvm-project/releases
-  clangtidy: getNonUbuntuLLVMDefault(),
-  clangformat: getNonUbuntuLLVMDefault(),
+  // https://github.com/llvm/llvm-project/releases
+  llvm: defaultLLVM,
+  clangtidy: defaultLLVM,
+  clangformat: defaultLLVM,
   ninja: "1.12.1", // https://github.com/ninja-build/ninja/releases
   cmake: "3.30.2", // https://github.com/Kitware/CMake/releases
   gcovr: "5.2", // "6.0", // https://pypi.org/project/gcovr/
@@ -34,7 +25,7 @@ export const DefaultVersions: Record<string, string | undefined> = {
     ? "14.2.0posix-18.1.8-12.0.0-ucrt-r1"
     : "", // use the default version on Ubuntu, Fedora, Arch, macOS, etc.
   // mingw: isArch() ? "12.2.0-1" : "8", // https://archlinux.org/packages/extra/x86_64/mingw-w64-gcc/
-  powershell: "7.4.5", // https://github.com/PowerShell/PowerShell/releases/tag/v7.4.5
+  powershell: "7.4.5",
 }
 
 export const MinVersions: Record<string, string | undefined> = {
@@ -52,31 +43,6 @@ export const DefaultUbuntuVersion: Record<string, Record<number, string> | undef
     22: "8.0.0-1",
     20: "7.0.0-2",
   },
-  // the suffixes relate to the suffix in the llvm releases
-  llvm: {
-    24: "17.0.6",
-    22: "17.0.6",
-    20: "17.0.6",
-    18: "15.0.6",
-    16: "15.0.6",
-    14: "13.0.0",
-  },
-  clangtidy: {
-    24: "17.0.6",
-    22: "17.0.6",
-    20: "17.0.6",
-    18: "15.0.6",
-    16: "15.0.6",
-    14: "13.0.0",
-  },
-  clangformat: {
-    24: "17.0.6",
-    22: "17.0.6",
-    20: "17.0.6",
-    18: "15.0.6",
-    16: "15.0.6",
-    14: "13.0.0",
-  },
   gcovr: {
     24: "6.0",
     22: "6.0",