Depend on @extractions/setup-crate

package.json

@@ -21,9 +21,7 @@
   "homepage": "https://github.com/extractions/setup-just#readme",
   "dependencies": {
     "@actions/core": "^1.2.6",
-    "@actions/tool-cache": "^1.3.4",
-    "@octokit/rest": "^18.0.6",
-    "semver": "^7.3.2"
+    "@extractions/setup-crate": "^0.1.0"
   },
   "devDependencies": {
     "@types/node": "^14.11.6",

src/index.ts

@@ -1,162 +1,11 @@
-import * as path from "path";
 import * as core from "@actions/core";
-import * as tc from "@actions/tool-cache";
-import * as semver from "semver";
-import { Octokit } from "@octokit/rest";
-
-/**
- * @returns {string} the Rust target specifier for the current platform.
- */
-function getTarget(): string {
-  const { arch, platform } = process;
-  if (arch == "x64") {
-    if (platform == "linux") {
-      return "x86_64-unknown-linux-musl";
-    } else if (platform == "darwin") {
-      return "x86_64-apple-darwin";
-    } else if (platform == "win32") {
-      return "x86_64-pc-windows-msvc";
-    }
-  }
-  throw new Error(
-    `failed to determine current target; arch = ${arch}, platform = ${platform}`
-  );
-}
-
-/**
- * Represents a tool to install from GitHub.
- */
-interface Tool {
-  /** The GitHub owner (username or organization). */
-  owner: string;
-  /** The name of the tool and the GitHub repo name. */
-  name: string;
-  /** A valid semantic version specifier for the tool. */
-  versionSpec?: string;
-}
-
-/**
- * Represents an installed tool.
- */
-interface InstalledTool {
-  /** The GitHub owner (username or organization). */
-  owner: string;
-  /** The name of the tool and the GitHub repo name. */
-  name: string;
-  /** The version of the tool. */
-  version: string;
-  /** The directory containing the tool binary. */
-  dir: string;
-}
-
-/**
- * Represents a single release for a {@link Tool}.
- */
-interface Release {
-  /** The exact release tag. */
-  version: string;
-  /** The asset download URL. */
-  downloadUrl: string;
-}
-
-/**
- * Fetch the latest matching release for the given tool.
- *
- * @param tool the tool to fetch a release for.
- * @param target the Rust target specifier that should be included in the GitHub
- * release asset.
- *
- * @returns {Promise<Release>} a single GitHub release.
- */
-async function getRelease(tool: Tool, target: string): Promise<Release> {
-  const { owner, name, versionSpec } = tool;
-  const octokit = new Octokit({ auth: process.env.GITHUB_TOKEN });
-  return octokit
-    .paginate(
-      octokit.repos.listReleases,
-      { owner, repo: name },
-      (response, done) => {
-        const releases = response.data
-          .map((rel) => {
-            const asset = rel.assets.find((ass) => ass.name.includes(target));
-            if (asset) {
-              return {
-                version: rel.tag_name.replace(/^v/, ""),
-                downloadUrl: asset.browser_download_url,
-              };
-            }
-          })
-          .filter((rel) =>
-            rel && versionSpec
-              ? semver.satisfies(rel.version, versionSpec)
-              : true
-          );
-        if (releases && done) {
-          done();
-        }
-        return releases;
-      }
-    )
-    .then((releases) => {
-      const release = releases.find((release) => release != null);
-      if (release === undefined) {
-        throw new Error(
-          `no release for ${name} matching version specifier ${versionSpec}`
-        );
-      }
-      return release;
-    });
-}
-
-/**
- * Checks the tool cache for the tool, and if it is missing fetches it from
- * GitHub releases.
- *
- * @param tool the tool to check or install.
- * @param target the Rust target specifier that should be included in the GitHub
- * release asset.
- *
- * @returns the directory containing the tool binary.
- */
-async function checkOrInstallTool(
-  tool: Tool,
-  target: string
-): Promise<InstalledTool> {
-  const { name, versionSpec } = tool;
-
-  // first check if we have previously downloaded the tool
-  let dir = tc.find(name, versionSpec || "*");
-
-  if (!dir) {
-    // find the latest release by querying GitHub API
-    const { version, downloadUrl } = await getRelease(tool, target);
-
-    // download, extract, and cache the tool
-    const artifact = await tc.downloadTool(downloadUrl);
-    core.debug(`Successfully downloaded ${name} v${version}`);
-
-    let extractDir;
-    if (downloadUrl.endsWith(".zip")) {
-      extractDir = await tc.extractZip(artifact);
-    } else {
-      extractDir = await tc.extractTar(artifact);
-    }
-    core.debug(`Successfully extracted archive for ${name} v${version}`);
-
-    dir = await tc.cacheDir(extractDir, name, version);
-  }
-
-  // FIXME: is there a better way to get the version?
-  const version = path.basename(path.dirname(dir));
-
-  return { version, dir, ...tool };
-}
+import * as setup from "@extractions/setup-crate";
 
 async function main() {
   try {
     const versionSpec = core.getInput("just-version");
-    const target = getTarget();
-    const tool = await checkOrInstallTool(
+    const target = setup.getTarget();
+    const tool = await setup.checkOrInstallTool(
       {
         owner: "casey",
         name: "just",