Get cloudflare skills from middlecache #28658
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| #!/usr/bin/env tsx | ||
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| import { spawn } from "child_process"; | ||
| import fs from "fs"; | ||
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| const SKILLS_URL = | ||
| "https://middlecache.ced.cloudflare.com/v1/cloudflare-skills/skills.tar.gz"; | ||
| const SKILLS_DIR = "./skills"; | ||
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| // --soft: warn and continue on failure instead of exiting non-zero. | ||
| // Used by the predev hook so a network failure doesn't block local development. | ||
| // --force: re-fetch even if skills/ already exists. | ||
| const soft = process.argv.includes("--soft"); | ||
| const force = process.argv.includes("--force"); | ||
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| const fail = (message: string): never => { | ||
| if (soft) { | ||
| const hasExisting = fs.existsSync(SKILLS_DIR); | ||
| console.warn( | ||
| hasExisting | ||
| ? `Warning: ${message} — continuing with existing Cloudflare Skills` | ||
| : `Warning: ${message} — skills/ does not exist, /.well-known/skills/ will not work`, | ||
| ); | ||
| process.exit(0); | ||
| } | ||
| console.error(`Error: ${message}`); | ||
| process.exit(1); | ||
| }; | ||
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| if (fs.existsSync(SKILLS_DIR) && !force) { | ||
| console.log( | ||
| "/skills directory already exists, skipping fetch. (run `npx tsx bin/fetch-skills.ts --force` to re-fetch)", | ||
| ); | ||
| process.exit(0); | ||
| } | ||
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| console.log("Fetching Cloudflare Skills from middlecache"); | ||
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| let res!: Response; | ||
| try { | ||
| res = await fetch(SKILLS_URL); | ||
| } catch (err) { | ||
| fail(`fetch failed: ${err}`); | ||
| } | ||
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| if (!res.ok) { | ||
| fail(`fetch failed: ${res.status} ${res.statusText}`); | ||
| } | ||
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| // Remove existing skills/ directory so stale Cloudflare Skills don't accumulate | ||
| fs.rmSync(SKILLS_DIR, { recursive: true, force: true }); | ||
| fs.mkdirSync(SKILLS_DIR, { recursive: true }); | ||
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| // Pipe the response body directly into tar, extracting the skills/ subdirectory. | ||
| // The archive contains skills/<skill-name>/... so we strip the leading "skills/" | ||
| // component and extract into SKILLS_DIR. | ||
| const tar = spawn("tar", ["--strip-components=1", "-xz", "-C", SKILLS_DIR], { | ||
| stdio: ["pipe", "inherit", "inherit"], | ||
| }); | ||
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| const reader = res.body!.getReader(); | ||
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| const pump = async (): Promise<void> => { | ||
| while (true) { | ||
| const { done, value } = await reader.read(); | ||
| if (done) break; | ||
| tar.stdin!.write(value); | ||
| } | ||
| tar.stdin!.end(); | ||
| }; | ||
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| await pump(); | ||
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| const exitCode = await new Promise<number | null>((resolve) => | ||
| tar.on("close", resolve), | ||
| ); | ||
|
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| if (exitCode !== 0) { | ||
| fail(`tar exited with code ${exitCode}`); | ||
| } | ||
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| const cloudflareSkills = fs | ||
| .readdirSync(SKILLS_DIR) | ||
| .filter((entry) => fs.statSync(`${SKILLS_DIR}/${entry}`).isDirectory()); | ||
|
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| console.log( | ||
| `Fetched ${cloudflareSkills.length} Cloudflare Skills: ${cloudflareSkills.join(", ")}`, | ||
| ); |
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