feat: get download url from github's api

package.json

@@ -3,13 +3,7 @@
   "name": "setup-bun",
   "version": "2.0.1",
   "description": "Setup Bun on GitHub Actions.",
-  "keywords": [
-    "bun",
-    "bun.js",
-    "github",
-    "actions",
-    "setup"
-  ],
+  "keywords": ["bun", "bun.js", "github", "actions", "setup"],
   "homepage": "https://bun.sh/",
   "main": "dist/index.js",
   "repository": "git@github.com:oven-sh/setup-bun.git",
@@ -27,7 +21,8 @@
     "@actions/exec": "^1.1.1",
     "@actions/glob": "^0.4.0",
     "@actions/io": "^1.1.2",
-    "@actions/tool-cache": "^2.0.1"
+    "@actions/tool-cache": "^2.0.1",
+    "compare-versions": "^6.1.1"
   },
   "devDependencies": {
     "@types/node": "^20.8.2",
@@ -37,5 +32,8 @@
   },
   "prettier": {
     "quoteProps": "preserve"
+  },
+  "patchedDependencies": {
+    "compare-versions@6.1.1": "patches/compare-versions@6.1.1.patch"
   }
 }

patches/compare-versions@6.1.1.patch

@@ -0,0 +1,67 @@
+diff --git a/lib/esm/satisfies.js b/lib/esm/satisfies.js
+index 7586b71657332f855431c4dd4f05e9394fd9aac3..a6ec29bfc98907c67ed4af71fca73bd8bff88798 100644
+--- a/lib/esm/satisfies.js
++++ b/lib/esm/satisfies.js
+@@ -40,8 +40,9 @@ export const satisfies = (version, range) => {
+     // else range of either "~" or "^" is assumed
+     const [v1, v2, v3, , vp] = validateAndParse(version);
+     const [r1, r2, r3, , rp] = validateAndParse(range);
+-    const v = [v1, v2, v3];
++    const v = [v1, v2 !== null && v2 !== void 0 ? v2 : 'x', v3 !== null && v3 !== void 0 ? v3 : 'x'];
+     const r = [r1, r2 !== null && r2 !== void 0 ? r2 : 'x', r3 !== null && r3 !== void 0 ? r3 : 'x'];
++
+     // validate pre-release
+     if (rp) {
+         if (!vp)
+diff --git a/lib/esm/utils.js b/lib/esm/utils.js
+index b5cc8b9927ab38fc67032c133b531e95ec4cec15..ec56105fd2d806aa922f1488a27b02c56aff1865 100644
+--- a/lib/esm/utils.js
++++ b/lib/esm/utils.js
+@@ -28,7 +28,7 @@ const compareStrings = (a, b) => {
+ };
+ export const compareSegments = (a, b) => {
+     for (let i = 0; i < Math.max(a.length, b.length); i++) {
+-        const r = compareStrings(a[i] || '0', b[i] || '0');
++        const r = compareStrings(a[i] || 'x', b[i] || 'x');
+         if (r !== 0)
+             return r;
+     }
+diff --git a/lib/umd/index.js b/lib/umd/index.js
+index 2cfef261bca520e21ed41fc14950732b8aa6339b..1059784db86635f3aaaba83b5a72c5015e1d8490 100644
+--- a/lib/umd/index.js
++++ b/lib/umd/index.js
+@@ -152,7 +152,7 @@
+         // else range of either "~" or "^" is assumed
+         const [v1, v2, v3, , vp] = validateAndParse(version);
+         const [r1, r2, r3, , rp] = validateAndParse(range);
+-        const v = [v1, v2, v3];
++        const v = [v1, v2 !== null && v2 !== void 0 ? v2 : 'x', v3 !== null && v3 !== void 0 ? v3 : 'x'];
+         const r = [r1, r2 !== null && r2 !== void 0 ? r2 : 'x', r3 !== null && r3 !== void 0 ? r3 : 'x'];
+         // validate pre-release
+         if (rp) {
+diff --git a/package.json b/package.json
+index b05b3daf706d7ba4e594233f8791fc3007a8e2cd..e51e76b86f95e9ebf0b5dba3b82aeb119628528d 100644
+--- a/package.json
++++ b/package.json
+@@ -26,7 +26,7 @@
+     "prepublishOnly": "npm run build",
+     "test": "c8 --reporter=lcov mocha"
+   },
+-  "main": "./lib/umd/index.js",
++  "main": "./lib/src/index.ts",
+   "module": "./lib/esm/index.js",
+   "types": "./lib/esm/index.d.ts",
+   "sideEffects": false,
+diff --git a/src/satisfies.ts b/src/satisfies.ts
+index 66cb171d7f32e68fdda6929d2da223b97a053737..6b4973f037843f264338a01efdc4ace5dcf042cd 100644
+--- a/src/satisfies.ts
++++ b/src/satisfies.ts
+@@ -43,7 +43,7 @@ export const satisfies = (version: string, range: string): boolean => {
+   // else range of either "~" or "^" is assumed
+   const [v1, v2, v3, , vp] = validateAndParse(version);
+   const [r1, r2, r3, , rp] = validateAndParse(range);
+-  const v = [v1, v2, v3];
++  const v = [v1, v2 ?? 'x', v3 ?? 'x'];
+   const r = [r1, r2 ?? 'x', r3 ?? 'x'];
+ 
+   // validate pre-release

src/action.ts

@@ -13,7 +13,8 @@ import { downloadTool, extractZip } from "@actions/tool-cache";
 import { getExecOutput } from "@actions/exec";
 import { writeBunfig } from "./bunfig";
 import { saveState } from "@actions/core";
-import { addExtension } from "./utils";
+import { addExtension, request } from "./utils";
+import { compareVersions, satisfies, validate } from "compare-versions";
 
 export type Input = {
   customUrl?: string;
@@ -46,7 +47,7 @@ export default async (options: Input): Promise<Output> => {
   const bunfigPath = join(process.cwd(), "bunfig.toml");
   writeBunfig(bunfigPath, options);
 
-  const url = getDownloadUrl(options);
+  const url = await getDownloadUrl(options);
   const cacheEnabled = isCacheEnabled(options);
 
   const binPath = join(homedir(), ".bun", "bin");
@@ -151,21 +152,43 @@ function isCacheEnabled(options: Input): boolean {
   return isFeatureAvailable();
 }
 
-function getDownloadUrl(options: Input): string {
+async function getDownloadUrl(options: Input): Promise<string> {
   const { customUrl } = options;
   if (customUrl) {
     return customUrl;
   }
+
+  const res = (await (
+    await request("https://api.github.com/repos/oven-sh/bun/git/refs/tags")
+  ).json()) as { ref: string }[];
+  let tags = res
+    .filter(
+      (tag) =>
+        tag.ref.startsWith("refs/tags/bun-v") || tag.ref === "refs/tags/canary"
+    )
+    .map((item) => item.ref.replace(/refs\/tags\/(bun-)?/g, ""));
+
   const { version, os, arch, avx2, profile } = options;
-  const eversion = encodeURIComponent(version ?? "latest");
+
+  let tag = tags.find((t) => t === version);
+  if (!tag) {
+    tags = tags.filter((t) => validate(t)).sort(compareVersions);
+
+    if (version === "latest") tag = tags.at(-1);
+    else tag = tags.filter((t) => satisfies(version, t)).at(-1);
+  }
+
+  const eversion = encodeURIComponent(tag);
   const eos = encodeURIComponent(os ?? process.platform);
   const earch = encodeURIComponent(arch ?? process.arch);
-  const eavx2 = encodeURIComponent(avx2 ?? true);
-  const eprofile = encodeURIComponent(profile ?? false);
+  const eavx2 = encodeURIComponent(avx2 ? "-baseline" : "");
+  const eprofile = encodeURIComponent(profile ? "-profile" : "");
+
   const { href } = new URL(
-    `${eversion}/${eos}/${earch}?avx2=${eavx2}&profile=${eprofile}`,
-    "https://bun.sh/download/"
+    `bun-${eversion}/bun-${eos}-${earch}${eavx2}${eprofile}.zip`,
+    "https://github.com/oven-sh/bun/releases/download/"
   );
+
   return href;
 }
 

src/utils.ts

@@ -3,6 +3,17 @@ import { info } from "node:console";
 import { existsSync, readFileSync, renameSync } from "node:fs";
 import { join, basename } from "node:path";
 
+export async function request(url: string): Promise<Response> {
+  const res = await fetch(url);
+  if (!res.ok) {
+    throw new Error(
+      `Failed to fetch url ${url}. (status code: ${res.status}, status text: ${res.statusText})\n${res}`
+    );
+  }
+
+  return res;
+}
+
 export function addExtension(path: string, ext: string): string {
   if (!path.endsWith(ext)) {
     renameSync(path, path + ext);